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Patented July _4, 1950
UNITED STATES PATENT OFFICE
2,513,279
REMOTE DETECTION AND CONTROL
SYSTEM
James Albert Bradley; St. Petersburg, Fla.
Application June 12, 1943, Serial No. 490,648
7 ‘Claims. (Cl. 343-7)
1
My invention relates broadly to remote detec
tion and control systems and more particularly to
> a precision control system for remotely positioned
bodies utilizing principles of re?ection of con
trolling energy.
This application is a continuation-in-part of
my application Serial No. 360,162, ?led October
7, 1940, for Remote Detection and Control sys
tem, Patent No. 2,899,426, granted April 30, 1946.
2
similarly ‘disposed axes ,for the precision control
of responsive apparatus by energy re?ected from
the remote body.
Other and further objects of ‘my invention re
side in an improved system of remote detection
and control as set forth more fully in the speci?
cation hereinafter following by reference to the
accompanying drawings, in which:
Figures ‘1 and 2 taken conjointly illustrate one
embodiment of the energy transmission and re
One of the objects of my invention is to provide
ception system of my invention; Fig. 3 schemati
'a remote detection and control system operative
cally illustrates one of the applications of the
for precision control of a destructive weapon by
remote detection and control system of my inven
energy re?ected from a remotely positioned body.
tion to the protection of geographical areas
Another object of my invention is to provide an
arrangement of energy transmission and recep 15 against attack by mobile bodies such as tanks;
Fig. 4 schematically illustrates the application of
tion apparatus by which the distance of a remote
my invention to coast defenses for the destruc
body from a predetermined position may be ac
tion of hostile war-craft approaching a coastline;
curately determined.
Fig. 5 shows an application of my invention in
‘Still another object of my invention is to pro
vide a method. and apparatus for controlling the 20 the offensive operation of submarines in warfare
against hostile craft; Fig. 6 schematically shows
aiming of destructive weapons against a remote
the application of the system of my invention to
target in which both the horizontal and vertical
torpedo discharge tubes aboard ship for auto
position of the target determine the aiming of
matically aiming the torpedo at an objective such
the destructive weapon for thereby increasing the
accuracy of control of the aiming mechanism. '
A further object of my invention is to provide
a protective system operative upon principles of
25 as a submarine under control of re?ected forces
emanating from the ship and intercepted by the
submarine; Fig. 7 shows the arrangement of the
torpedo release mechanism both fore and aft of
a vessel for automatically releasing torpedoes
energy utilized in the protective system is con- .
toward hostile craft in either direction; Fig. 8 is
trolled in accordance with barometric or atmos
a schematic View showing the apparatus of my
pheric conditions existing in the area to be pro
invention mounted below the waterline in the hull
tected for thereby restricting the energy required
of a vessel; Fig. 9 is a schematic view showing
in accordance with existing weather conditions.
the apparatus of my invention arranged in a
A still further object of my invention is to ‘pro
vide a protective system in which a destructive 35 housing attachable to the exterior of the hull of
a vessel and below the waterline thereof; Fig. 10
weapon is automatically discharged after having
schematically shows the application of my in
been accuratelly aimed under control of re?ected
vention to torpedoes guided under control of a
energy from a remote target and in which the
re?ected force re?ected from a remote target or
emitter of energy is caused to initiate a searching
objective to which the torpedo is automatically
operation upon cessation of a succession of. dis.
steered as a destructive weapon; Fig. 11 illustrates
charging operations for repeating a protective
one arrangement of receiving antennae at the
cycle.
'
receiving station for collecting the horizontal and
Another object of my invention is to provide
vertical components of the energy re?ected from
means for controlling the discharge of a destruc
tive weapon upon re?ection of energy from a re 85 the remote body; Fig. 12 is a, side elevation of the
receiving antennae illustrated‘ in Fig. 11 showing
mote target at the instant that both horizontal
the manner of independent control of the receiv
and vertical energy responsive means receive
ing antennae for the horizontal and vertical com
maximum amplitude of re?ected signal simul
ponents; Fig. 13 is a side elevational view of a
taneously along both a vertical and horizontal
searchlight mechanism which is orientable on
axis from the remote target.
axes normal to each other for controlling a beam
' Still another object of my invention is to pro
re?ectionof energy in which the amplitude of the
vide means for controlling the emission Of energy
on axes displaced normal to each other for search
ing a predetermined area for remote bodies in
’ of light as distinguished from a beam of electrical
energy as provided in the arrangement of Figs.
1-2; Fig. 14 is a side elevational view of the
coaction with responsive means operative along 65 searchlight control mechanism illustrated in Fig.
2,513,279
4
’ 3
directionally controlling the activation of the
13; Fig- 15 is a plan view of the searchlight con
trol mechanism; Fig. 16 schematically shows an
arrangement for mounting a radio beam trans
mensions for directing the radio beam in the de
sired direction; Fig. 1'! shows the arrangement
driving motor II in the case of signalling channel
I, and i2 in the case of signalling channel 2. The
driving motors II and I2 control the angular
movement of the loops 5 and ‘I, respectively,
which automatically hunt about a minimum sig
of an anti-aircraft gun or weapon for orientation
nal when signalling energy is incident upon the
in two angular directions for aiming the gun in
horizontal and verticalloops.
mitting system which is oriented through two di
motor Ii
accordance with the principles of my invention
drives worm II which is engaged with vgear It
toward an objective; Fig. 18 shows an arrange 10 on shaft i. Shaft t is-extended to the adjustable
ment of searchlight on a carrier wherein the
-* bevel gear system It which is capable of manual
light is arranged to be shifted in- either of two
different directions under control of a'rei’iectedv
angular adjustment and resetting through gear
l‘l controlled by’ hand wheel ll. Thus correc
force in accordance with the principles of my in
tion can be made between the driving means ‘and
vention; Fig. 19 schematically and » diagram 15 the drivenmeans operated by the automatic sys
matically illustrates the application of the prin
tem, or the driven means may be manually'ad
ciples of my invention to the determination of '
.iusted in the event that the automatic orienta
distance of remote bodies from a predetermined
tion feature is not desired.
The bevel gear I!
position embodying the principles of my inven
which is driven by bevel gear it through bevel
tion; Fig. 20 is a trigonometric diagram showing 20 gear I‘! connects through shaft ‘22 to a structure
the manner in which the distance from the ap
which controls actuating windings 2|’ of a
proaching mobile body to a fixed station is com-v
“Selsyn" generator. The “Selsyn"_ generator
puted; Fig. 21 is a schematic view showing one
thus generates energy in proportion to the di
arrangement by which the range of the radio
rection of orientation of the horizontally rotat
transmission system is regulated in accordance 25 able loop 5. The loop antenna 5 orients about a
with weather conditions in the area to be pro-
horizontal axis and receives energy in a horizon
tected for restricting the emitted energy to that
tal plane of polarization.
1
. l
a
necessary for effecting the remote detection and
The loop antenna ‘I orients about a vertical axis
control for existing atmospheric, barometric or
and receives‘ energy incident thereon in a ver
weather conditions; Fig. 22 is a theoretical dia 30 tical plane of polarization. The driving motor
gram explaining the principles of my invention;
l2 in the directional receiving station 2 that
Fig. 23 is a further theoretical diagram explain
controls the angular movement of loop 1, hunts
.7 ing other principles of my invention; Fig. 24 is a
about a minimum and drives worm 22 which en
theoretical diagram showing other principles of
my invention; Fig. 25 is a schematic view show
ing the application of my invention to the protec
gages gear 23 on vertical shaft 8 which connects
35 to the orientable loop ‘I. Shaft I is extended to
tion of vessels for prevention of collision in nor
mal peacetime operation: Fig. 26 is a schematic
view showing my invention applied to the guiding
the adjustable bevelgear system 2!, which is
capable of manual angular adjustment through
gear 25 controlled by hand wheel 28. .Thus the
driven system controlled by the self-orientable
of an aircraft bomb to an objective; and Fig. 27 40 loop ‘I may be manually adjusted in the event
illustrates my invention applied to the protection
that the automatic orientation feature is not
of mobile bodies such as automobiles, trains and
desired or in the event that correction must be
other moving bodies for automatically preventing. ' made in the angular relation of the driving shaft
collision and accidents.
I and the driven mechanism.
The bevel gear
Referring to the drawings in detail, I have 45 system 21 which is driven from bevel gear system
2| connects with the apparatus to be driven. In
schematically shown a receiving system in Fig.
1 and the coasting transmission system located .
this instance the bevel gear 21 drives shaft 20
at a proper position with_respect to the receiving
which connects with a structure controlling the
station. The receiving station comprises two in
position of actuating windings 29 of a "Selsyn"
dependent recelving channels designated gener 50 generator. The “Selsyn" generator 29 thus gen
ally at l and 2, each of which include a direc
erates energy in proportion to the direction of‘
tional radio receiver shown at 3 and l. The di
orientation of the vertically rotatable loop ‘I.
rectional radio receiver 3 is connected to loop an
I provide a carriage structure or mount that
tenna 5 which is rotatably mounted for move
is angularly adjustable in either of two planes
ment about a horizontal axis designated at t. 55 normal to each other and which may support a
‘Directional loop antenna ‘I of the directional re
variety of different mechanisms such as an anti
ceiving channel 2 is mounted for rotation about
Qaircraft gun as illustrated in Figs. 1 and 17; a
a vertical axis designated at l. The directional
radio frequency energy beam emitter as illus
receiving apparatus ‘of each receiving channel
trated in Fig. 16; a searchlight as illustrated in
is of the self-orienting type employing the prin
Fig. 18; or other form of energy transmission de
ciples set forth, for example, in Frederick J.
vice. I have shown the carriage or mount sche
Hooven Patent 2,173,841, of September 26, 1939,
matically at II in Fig. 1 comprising yoke member
wherein the directional loop antenna is auto
matically moved to a position proportional to the
direction from which the signal incident upon the
loop is received. The intensity of the received
signalling energy effective to control mechanism
in the output circuit of the receiving apparatus is
proportional to the degree of deviation of the
plane of each loop from a line extending in the 70
3| which is journalled for rotation about a verti
cal axis through shaft 22 carrying gear 32. Gear
33 is driven by gear 24 carried by shaft 35 actu
ated by the rotor windings 26 of the “Selsyn"
motor designated at I‘! which is operated through
the synchronous follow-up system 3| controlled
direction of the source of re?ected energy. Each
directional receiving channel includes a non-di
rectional receiving antenna designated at 9 and
ill, the effects of which are combined with the
by “Selsyn" generator windings 29.
Yoke 2| forms a horizontal pivotal mounting
means for angularly shiftable ring frame 39.
The pivotal connections between the ends of yoke
3i and the ring frame 39 are represented at ‘I.
The ring frame 39 provides a journalling means
self-orientable loops 5 and ‘I, respectively, for 75 for the horizontally extending shaft II which ex
2,613,279
5
tends in a diametrical plane passing through the
pivotal connections 46. The shaft 4| connects
with a platform support 42 forming a mount for
a variety of different devices represented more
clearly in Figs. 16, 1'7 and 18. Shaft 4| is driven
by gear 43 from gear 44 through shaft 45. Shaft
45 includes an adjustable coupling link 46 which
allows adequate lost motion while maintaining
precision control required in the system of my
wide geographical area. The high frequency
radiator 64 is suitably mounted with respect to
the re?ecting surface ‘III by means of insulators _
‘H. The re?ecting surface 18 is pivoted tothe
mount or carriage such as 59 in the'position il
lustrated at 12. For purposes of schematically
showing the parts of the mechanism, the mecha
nism for shifting the emitter for effecting a beam
sweep of the area adjacent the area to be pro
invention. The coupling 46 includes a sleeve 10 tected, I have shown the parts of the control
mechanism substantially in side elevation super
member 41 which receives the shaft 46 in tele
imposed upon the platform 59. In the actual
scopic arrangement. Both shaft 45 and sleeve 41
installation it will be understood that the beam
are keyed together to represent the transfer of a
emitter is mounted on the carriage or platform
rotary driving force while shaft 45 and sleeve 41
are free to shift axially. The end of sleeve 41 15 59‘ for the upward projection of the ultra-high
frequency energy into the area through which
terminates in a universal joint 48, the driven
aircraft ?y. The mechanism for causing the
member of which is operated by shaft 49 from
periodic sweep of the area to be protected by the
the “Selsyn” motor structure 58. The “Selsyn”
ultra-high frequency beam is driven by a motor
motor structure 50 includes windings 5| which
are connected through synchronous follow-up 20 13 through worm ‘l4. Worm ‘l4 meshes with gear
‘I5 which drives the eccentric 16 which in turn
system 52 to the "Selsyn" generator windings 2|.
imparts substantially reciprocative movement to
Thus driving components for operating the car
member 11. Member 11 may be gripped between
riage or mount 30 are derived proportionally
plate member 18 and spring member 19 under
from the vertical and horizontal energy compo
nents received by horizontally disposed loop 5 25 control of hand grip lever device 80 and provide
connecting means through pivot 8| with the up
and vertically disposed loop 1. The equipment
per end of re?ector 10 so that re?ector 10 may be
thus far described is all located at the energy re
angularly driven through recurring cycles for
ceiving station. Parallel circuit connections ex
emitting a beam of energy that sweeps the area
tend‘from the “Selsyn” motor windings 2| and
36 through conductors that I. have designated A, 30 to be protected. The hand grip 80 is provided
with a clutch operating mechanism by which'the
B, C and F, G, H to similar motor windings 53
gripping means'18 and 19 may be rendered in
and 54 located at a proper transmitting station.
effective so far as driving means 11 is concerned
The lettered conductors which extend from
to permit the manual adjustment of the emit
motor windings 2| and 36 in Fig. 1 connect with
correspondingly lettered conductors shown in 35 ter 64 and reflector 10 to any desired angular
Fig. 2. The motor windings 53, through clutch‘
99 and reduction gear 99' drive gear 56 which
. position.
In this way the periodic sweep of the
beam may be interrupted and the angle of the
beam with respect to the surface of the earth
meshes with gear 51 for imparting ‘driving move
may be subjected to manual adjustment. By
ment to horizontal shaft 58. Horizontal shaft
58 controls the vertical ‘angular movement of 40 releasing the manually contro1led_clutch the op
eration of the beam may be restored to the auto
platform 59 in substantially the same manner
matic control of the mechanism which I have
that platform 42 illustrated in Figs. 16, 17 and
described. The frequency changing means driven
18 is controlled. The horizontal movement of
platform 59 is controlled through shaft 68 - by motor 69 and the angular emission means
coupled to a suitable yoke and pivotally connected 45 driven by motor ‘I3 are each controlled by a relay
shown at 82. The operating winding of relay 82
with platform 59 as fully disclosed in Figs. 16,
connects through conductors D—E to the con
1'7 and 18. Gear 6| carried by shaft 60 is driven
tact control circuits 83 and 84 of relays 85 and 86
by gear 62 operated through shaft 63 from “Sel
of the horizontal and vertical component receiv- '
syn” motor windings 54 through clutch I80 and
reduction‘ gear I80’. The adjustable platform 59 50 ing systems, respectively. The relay systems 85
provides a mounting means for a high frequency
beam transmission device. The beam'transmis
sion device is illustrated diagrammatically as
v and 86 are activated by the horizontal component
radio receiver 3 and the vertical component radio
' receiver 4 when re?ected energy emitted from
emitter 64 and reflected from an intervening body
consisting of an ultra-high frequency doublet
radiator 64 includingexciting winding 65 which 55 such as aircraft I14 is incidental upon horizon
is coupled through winding 66 with a source of
high frequency energy connected to conductors
tally polarized loop 5 and vertically polarized
loop ‘I. Accordingly when a re?ection of energy
from the intervening body such as aircraft H4
does occur,'this has the effect of arresting both
through a predetermined frequency band by any
suitable means such as rotary condenser 68 60 the change in frequency on the transmitter b"
shutting down motor 69 and the sweep of th
driven by motor 69. The cyclic operation of the
beam by shutting down motor 13 upon the open
transmission system over a band of frequencies
' 61.
The transmission circuit is cyclically tuned
ing of the circuits through the relay tongues and.
enables various receiving systems of the type
contacts of the contact control circuits 83 and 84
shownain Fig. 1, tuned to selected frequencies
within the transmission band of frequencies, to 85 of relays 85 and 86. The relays 85 and 86 are of
the slow release'type so that for a predetermined
be located in various geographical positions in
time period after the passage of the intervening
body the emitter will continue to emit a beam
of energy at the selected angle to the earth’s sur»
Because of the ability of variously shaped bodies
to variously reflect energy directed against such 70 face at which the antenna operating device was
arrested and at the frequency at which the trans~
bodies at different frequencies the wide distribu
mitter was operating at the time the intervening
tion of receiving stations adjusted to differing
body caused the reflection of energy
frequencies for response to the various frequen
The slow release relays 85 and 86 each have
cies transmitted in the band of transmission fre
quencies increases the protection afforded over a. 75 eddy current slugs 85a and 86a on the heelpiece
the area to be protected for increasing the pro
tection afforded by the system of my invention.
7
8
of the magnetic core structures which retard the,
collapse of the magnetic fields in the operating
windingsrfor a predetermined time after the de
energization of the relay windings.
’
Wherev the platform l2 carries a destructive
weapon as ‘represented in Figs. 1 and 17 at'81, I
provide a ?re control mechanism designated gen
erally at 88'. The ?re control mechanism is ini
tiated in action at the time a re?ected signal is
received by both'the horizontally arranged loop
5 and vertically arranged loop 1. . This combined
action is secured by means ofis/low' ‘release re-g
lays 89 " and 90 which have their contact 1 sys
tems 9I and 92 arranged in series with power
angular adjustments between the transmitting
beam ‘at the transmitting'station and the ord
nance equipment at the receiving station and for
this purpose I provide clutch mechanism and
speed reduction gear between the motor structure
of “Selsyn” motor 53 and drive gear 56 as desig
nated at 99 and 99', and clutch mechanism and
speed reduction gear between the motor struc
ture 54 of “Selsyn” motor M and drive gear_62 as
These clutch mech
10 represented at I00 and I00’.
anisms enable the contr'olof platform-58 to be
taken'away from the “Selsyn” generators at~the
receiving station and permit local control of the
transmitting beam to be secured. Local control
source 93 and with the ?re control mechanism 15 is established along a horizontal axis by means‘of
the auxiliary variable speed reversible motor Ill
88. When the reflected signal energy is incident
' connected through clutch mechanism I82 and re
upon both ‘loops 5 and 1, contact systems 9| and
duction gear mechanism I08 to gear Ill which 92 close, thereby closing the circuit to fire control
meshes with driving gear 51. A manual actuat
mechanism 88 initiating a repeating operation of
the destructive weapon 81 which is trained into 20 ing lever I05 is provided which controls both
the‘ path bf movement of the intervening body.
By precalculation, the destructive weapon 81 is
trained on the path‘ of movement of the interven
ing body suili'c‘ientiy in advance‘of the interven
clutches 99 and I02. The manual actuating lever
I05 operates to disengage clutch 99 when clutch
I02 is engaged.
Similarly when .clutch 99 is en
gaged clutch I02 is disengaged. Reversing switch
ing body to enable a direct hit to be made upon 25 I06 has been indicated schematically for revers
ing the direction of movement of auxiliary motor
receipt of a re?ected impulse from the interven~
ing body through the signal receiving system.
I0 I.
Correction is made for average speed conditions
The motor is connected to a suitable source of
Speed is controlled by suitable rheostat I81.
anticipated for the moving body in order to in
supply through leads I08.
>
~
'
7
Similarly the vertical component control of
sure a hit by the destructive weapon. Relay 89 30
platform 59 is effected under control oi’ auxiliary
has a slug 89a while relay 90 has a slug 900. on
motor I09 whose speed may be varied through
the heel end of the respective core structures for
rheostat I I0 and whose direction of rotation may
insuring a slow release operation of the contact
be changed through suitable reversing switch III
systems 9| and 82 in order to maintain the ?r
ing operation for a predetermined time after the 35 connected with a suitable power source through
leads H2. The variable speed auxiliary motor
first intervening body has triggered on’ the de
I09 may be coupled through clutch Ill and
structive weapon. In the case of waves of air
through reduction gear Hi to gear Ill which
craft, the ?rst aircraft of a group has the e?ect
meshes with gear 8| on vertical shaft 80. Man
of triggering off the operation of the destructive
weapon which will remain in operation for firing 40 ual actuating means II1 controls the disengage
ment of clutch I00 when clutch Ill is engaged
‘a destructive force across the path of succeeding
and the disengagement of clutch I ll when clutch
aircraft for a. given length of time. The passage
I00 is engaged. Thus it is possible to change the
of each succeeding aircraft in causing a reflection
angular relation of the platform 59 to meet spe
- in effect maintains the firing circuit closed for
an additional period of time.
When the waves
of aircraft have ceased, however, the ?ring of the
destructive weapon 81 discontinues automati
cally.
To facilitate the operation of the signal receiv
ing system under control of operation personnel,
I provide a telephone circuit designated general—
ly at 94 which includes a head-set in which the
telephone 95 connects to the output of the direc
tional receiver 3 and the telephone 96 connects
to the output of signal receiver l. An observer is
thereby able to check the receipt of signals both
by the horizontally arranged loop 5 as well as the
vertically arranged loop ‘I and make all necessary
circuit adjustments accordingly. An indicating
cial conditions which may be necessary in co—
ordinating the control between the transmitting
and receiving stations.
-
The several variable conditions I have explained
enable the system of my invention to be applied
50 in various ways.
In Fig. 3 I have shown a fortress
II8 protected by the system of my invention
against attack by mobile units such as tanks II9
approaching the fortress over the terrain indi
cated generally at I20. The transmitter for ra
diating the beam of energy is indicated generally
at Bl adjacent the re?ecting surface 10 which
may be suitably changed in angular position as
heretofore explained for sweeping a geographical
area with a beam of energy indicated generally at
meter 91 connected with the output of directional 60 I2I. The intervening body constituted by tank
or mobile unit I I9 causes a reflection of the trans- '
receiver 3 and an indicating meter 98 connected
mitted beam which I have indicated at I22, which
with the output of directional receiver l further .
energy is received by horizontally arranged loop
permits a visual observation of the operation of
5 and vertically arranged loop 1 for orienting sep
the two directional receiving systems for facili
arate controls which produce corresponding move
tating adjustment accordingly.
ment of destructive weapon 81 as heretofore ex
My invention contemplates in one form the sub
plained and effecting by operation thereof, initi
stantial separation of the transmission station
ated by the approaching hostile tank or mobile
from the receiving station and the intercommuni
unit I I 9, a destructive force along the path desig
cation between these locations by monitoring
telephones for coordinating the activities of the 70 nated at I23. Thus the hostile tank or mobile
unit is destroyed by intercepting the propagated
crews'in charge of the transmission beam with
beam of energy in the approach to the fortress
the activities of the crews in charge of both the
II8. Screen S is arranged to prevent any local
radio receiving circuits and the ordnance equip
interaction between transmitter El and the re
ment at the receiving station. There are times
when correction must be made for the relative 76 ceiving loops 5 and 1.
2,513,279
In Fig. 4 I have shown an installation for the
protection of coastline defenses at I24 in which
protection is o?ered against the approach of hos
tile watercraft designated generally at I25. The
transmitter shown at 64 is arranged in associa
tion with re?ector ‘III and operates in accordance
with the principles hereinbefore set forth in de
i0
?eeting surface 10. The transmitter connected
to primary winding 66 sweeps a predetermined
frequency bandunder control of motor 69 which
drives condenser 68 for changing the frequency
at which the transmitter operates. The ultrahigh frequency energy is emitted in a beam along
the path represented at I42. When the beam
-
strikes an intervening body such as submarine
tail for transmitting energy along a beam I26
which sweeps a wide path. The intervening body
I36, the energy is re?ected along path I43 for
such as battleship I25 causes a re?ection of the 10 activating loops 5 and 1 of the receiving system.
energy along path I21 operating horizontally ar
ranged loop 5 and vertically arranged loop 1
.which initiate in motion the mechanism de
scribed in Fig. 1 causing automatic orientation
The receiving system by control of motor systems
31 and 50, effect orientation, aiming and release
of the torpedo by circuits as more fully disclosed
in Figs. 1 and 2. The torpedo I35 is discharged
and ?ring of destructive weapon 91 by which a 15 under control of release or ?ring mechanism in
dicated at I38A along a path represented at I44
destructive force is released along path I28 for the
for destroying the submarine I36. Thus the sub
destruction of hostile craft I25. Thus the hostile
craft in approaching the coastline intercepts the
marine is destroyed automatically by intercept
ing the propagated energy when seeking to ma
propagated beam of energy and by the re?ection
thereof initiates the release of a. destructive force 20 neuver itself within striking range of the vessel
I34. The screen S protects the loops 5-1 against
from the coastline upon the hostile craft. Screen
S is arranged for preventinglocal interference
the direct effects of the transmitter so that loops
5 and 1 are activated only by re?ected energy.
between the transmitter 64 and the receiving
A multiplicity of receiving systems pretuned to
loops 5 and 1.
different frequencies within the band of frequen
In Fig. 5 I have shown the manner in which
a submarine I29 equipped with the system of my
cies swept by the transmitter may be arranged ,
with relation to re?ector 10 to produce a sweep
aboard the ship for controlling corresponding tor
pedo discharge tubes upon receipt of re?ected
signals at the frequency emitted within the vari
able frequency range of the transmitter.
ing beam of energy generally along the path rep
resented at I 3|. This energy encounters the in
In Fig. 'l I have shown the application of the
torpedo release tube both fore and aft of the ves
invention may destroy shipping represented at
I30 with minimum exposure to self danger. In
thisarrangement the transmitter 64 is arranged
tervening body represented by the ship I30 which
sel I34 ‘in positions represented at I45 and I46.
Separate transmission systems and receiving sys
the horizontally arranged loop 5 and the verti 35 tems are associated with eachof the torpedo dis
charge mechanisms I45 and I46.‘ The transmit
cally arranged loop 1. These energy components
ter I40 and the receiving system I39 are associ
serve to orient and fire destructive weapon 81
ated with the torpedo release apparatus I45 in a
as heretofore explained for delivering a destruc
manner disclosed in Fig. 6, projection being made ,
tive force along the path I33 for destroying ship
.I 30. Suitable screen S is arranged to prevent 40 by screen S as heretofore explained for prevent
ing direct interference between transmitter I40
local interference between the transmission beam
and receiver I39. The torpedo release tube mech
I3I and the reflected energy along path I32.
In Fig. 6 I have shown the application of my
anism I46 is controlled by transmitter I41 and
vassociated receiving system I48. Screening ar
invention to surface-craft I34 for e?ecting the
rangement S’ prevents direct interference be
automatic aiming and firing. of torpedoes I35
tween transmitting system I41 and receiving sys
against hostile submarines or other craft I36.
tem I48. Provision is also made for screening
The surface vessel I34 may be provided with a
compartment that I have illustrated generally at
one complete system from an adjacent system.
In Fig. 8 I have shown a protective system
I31 within. which a movable carrier I31’ which
supports the torpedo tube I38 is associated. The 50 installed in the hull of a vessel I34 below the
waterline in a compartment designated generally
movable carrier I31’ provides a watertight con
at I49. This built-in compartment within the
nection with the hull of the vessel I34 while ena
bling the torpedo tube to be oriented in a par
hull of the vessel I34 is divided into two sections
ticular direction for releasing the torpedo against
I50 and I5I. In section I50 I arrange the
the objective. The torpedo tube I38 is mounted
transmitter as heretofore described and in sec
tion I5I I arrange the receiving system hereto
in much the same manner as explained in con
fore described. The transmitter includes the
nection with the orientable tables 42 in Figs. 16,
radiating elements 64 arranged adjacent the re-z
17 and 18. That is to say, yoke 3| is driven
?ector 10 while the compartment I5I includes
through gears 33 and 34 from “Selsyn" motor
31 under control of signal components received 60 the receiving loops 5 and 1 connected with the
receiving apparatus and suitably screened one
by vertical loop 1 while table member 42 is driven
with respect to the other by means of screen des
under control of gears 43 and 44 from “Selsyn”
ignated at S. The torpedo release mechanism
motor 50 under control of signal components re
ceived by horizontally arranged loop 5. The loops
which is controlled by the coaction of the trans
may be suitably supported above decks as rep 65 mitting and receiving apparatus is designated
generally at I45. The compartment I49 in the
resented at I39 and operate in a manner similar
re?ects the energy along the path I32 activating
'
to the receiving system heretofore described._
The transmitter is also supported above decks
as represented at I40 wherein the mounting
means I4I enables the re?ecting surface 10 to
be angularly driven through the motor mecha
nism as explained in connection with Fig. 2 which '
hull of the vessel is closed by a plastic wall I49A -
of a character to withstand the heavy pressures
to which the hull is subjected but through which
the ultra-high frequency energy is readily trans
mitted in a path toward the objective and in the
path re?ected from the objective. The plastic
wall material is known in the trade as “Plexi
includes driving motor 13, worm gear 14, gear 15,
glas” and is similar to the substance used in the
eccentric 16 and driving arm 11 connected as
explained in association with Fig. 2 to the re 75 gunner’s station in the nose of a bomber. The
2,513,370
I
12
11
location of the transmitting and receiving ap
paratus below the waterline represents great pre
cision in operation of the system of my inven
in the same manner that the ultra-high fre
quency beam of Fig. 16, the gun of Fig. 1'7 or the
searchligbt of Fig. 18 is controlled.
tion as the radio waves are con?ned wholly to
paths in the water and thus do not have to travel
In Fig. 11 I have shown one method of mount
ing the horizontal component loop I and the ver
a composite path‘ both through the ether and
the water, which composite path because of dif
tical component loop 1. The driving motor for
the horizontal loop I is arranged within the
housing designated at II while the driving mo
tor of the vertically arranged loop 1 is arranged
ferences in density may subject the waves to re
fraction or bending for introducing erriors in the
system.
-
'
10 within housing I2.
In Fig. 9 I have shown means for obtaining
results comparable to those described in Fig. 8
but which do not require modi?cation of the
hull structure. In this instance a portable hous
ing or\container having an. open front wall 15
of Ple 1:135 or other plastic is provided as
~
_
The Plexiglas wall allows
go of ultra-high frequency waves
into the,’ container. The container is divided
into two sections III and III. Section III
houses the transmitter represented at II co
acting with the re?ector 18. The other section
The loop I is carried by a
shaft member I which is journalled within the
frame which carries the loop member 1 as rep
resented at III. The frame which carries loop
1 is mounted upon an angularly adjustable shaft
III which is journalled in suitable bearing III
and connected with the driving motor within mo
tor housing I2. Manual adjustment or setting of
the loop structures may be effected through hand
' wheel
"I.
‘
In Figs. 13, 14 and 15 I have shown one man
ner of mounting the searchlight 181 for angu
lar movement in planes normal to each other.
III houses the receiving system including loops
The searchlight III is supported within ring
I and 1. Power and activating cables III ex
tend from the transmitter section ‘to the deck
member I! by iournalling means such as shaft
II and controlled at-angular movement by “Sel
syn" motor and associated gear system, all of
which I have represented as contained within cas
ing II supported by a ring member 38. The an
gular position of ring member 28 is controlled by
the “Selsyn” motor system which I have indi
of the vessel III while activating cables III ex
tend from the receiving apparatus to the. ord
nance equipment which may be carried by the
deck of the vessel as represented at I1. The cir
cuits and mechanism involved are as set forth in
cated as contained within casing 21 supported by
Figs. 1 and 2 in detail. Screen 5 is provided
suitable standards III. . The standards III serve
between the. sections I58 and III of the hous
_ as Journalling means for journal II by which ring
ing I52 for preventing direct interference be
member I! is pivotally suspended. Thus the
tween the'transmitter and the receiver and in
suring activation of the receiver only by re 35 searchlight II1 may be shifted in two planes nor
mal to each other for following a mobile body
?ected energy emanating from the transmitter.
automatically under control of energy re?ected
Suitable braces I51 are provided for holding the
by that body and received by the receiving sys
Plexiglas compartment with respect to the ex
tem explained more fully in Figs. 1 and 2.
ternal under-water portion of the hull III. Thus the system of protection of my invention may be 40 In Fig. 19 I have shown a system by which
altitude of approaching aircraft may be deter
applied quickly to existing ship structures with
mined using a multiplicity of locator stations in
out modification of the vessel in any way.
geographically separated positions represented
In Fig. 10 I have shown the system of my in
vat I18, “I and I12. The stations each include
vention applied to a torpedo indicated at III
which after discharge from the torpedo tube In 48 the receiving equipment, pretunedto different
frequencies withinthe frequency range of the
described in Fig. 6 is guided toward its. objec
tive under radio control by means of a radio sys
transmitter, comprising, vertically adjustable
tem carried within the nose‘of the torpedo. The
torpedo is provided with a nose structure III of
the Plexiglas or other material through which
high frequency waves freely pass. Within this
nose I58 I arrange the transmitter represented
loops 1 and horizontally adjustable loops I of
the self-orienting type for aiming and‘ ?ring the
. at II with suitable re?ector 18 and the receiving
system comprising loops I and 1 associated with
the receiving apparatus 3—4. A screen S is pro
vided to prevent direct interference between the
transmitter and the receiver. Energy is emitted
from transmitter 64 along path II! striking ob
jective I36 and being re?ected therefrom along
path III for activating the loop system 5-1. The
circuits of receiving system ‘3-4 control the an
gularly movable mechanism of the type illus
trated in Figs. 1, 6 and 16, 1'1 and 18 except that
associated destructive weapons I1 upon receipt.
of energy re?ected from the‘ transmitting sta
tion represented generally at I13. The transmit- ‘
ting station I13 is similar in arrangementjto the transmitting equipment illustrated in Figs. 2 _
and 16 including means forv periodically sweep
ing a wide geographical area to be protected at
the same time that the frequency of the trans
mitter sweeps a relatively wide band. ' The beam \
of ultra-high frequency energy may be inter
cepted by any one of the approaching aircraft
that I have represented at I14, "I and "I. ‘As
the ultra-high frequency beam is shifted angu
larly from positions I11, I18 and I19, the inter
in lieu of the angular control of the radio an
tenna of Fig. 16, the gun of Fig. 17 Or the search
vening bodies represented by the approaching
light of Fig. 18, the receiving system controls
lines indicated at [88, III, I82 activating the
the position of a rudder member III which serves
~ sets of loops 5—1 at the locator stations I18, "I
aircraft cause re?ection of the energy along the
to guide the torpedo toward the objective. The
and I12, etc. The mechanism at the locator
torpedo instead of being lost by possibility of
stations is as set forth in Figs. 1 and 2, the de
missing the objective is .thus guided directly into 70 structive weapons 81 being oriented, aimed and
the objective for the destruction of the objective.
fired to direct a destructive force along lines I83,
The rudder IGI is attached to the ring member ‘
I84 or I85 aligned su?iciently in advance of the
39 through arms I62 which extend rearwardly
estimatedvposition of the aircraft to effect a hit
from ring member 38 within the torpedo. The
for the destruction of the aircraft.
angular position of rudder III is thus controlled
The receiving circuits at the locator stations
2,513,279
14
1. f1 and fa, etc., which indeepndently register on
the frequency indicator 20I for designating the
in addition to the relay control systems set forth
more fully lnFlg. 1, also include monitoring cir
cuits which I have indicated at I88, I81 and I88,
each containing a relay operating winding shown
at I89, I90 and I9I. The individual relay wind-'
ings operate separate relay armature members
represented at I92, I93 and I94. These armature
locator stations at which re?ected energy is being ,
received.
Relay 82 is a slow release relay with slug 221
thereon so that after the locator stations are no
longer subject to receipt of re?ected energy. sole
noid 82 is deenergized and spring 228 again closes
members control movable contactors which es
the circuit to'motors 69 and 13 from source 2“
tablish connection with sets of ?xed contacts.
That is to say, the contactor controlled by arma 10 whereupon the transmitting station I13 again be
comes active both in the shifting of the beam
‘ ture I92 closes relay contacts I95, I98 and I91
The circuit
and changing of the frequency thereof. Solenoid
through armature I92 includes a source of audio
82 in Fig. 19 accordingly differs from the corre
spondingly numbered relay in Figs. 1-2 in that
15 the delayed action for the release mechanism 82
when in its operated position.
frequency current designated at I98 which is con
nected through a land line I99 to the reed oper
ating winding 200 of a frequency indicator 20I lo- >
-. 4in Figs. 1—2 is secured by the slow release ar
rangements of relays 85 and 86, whereas in Fig.
19 the delayed action is secured by imparting
slow release properties to relay 82.
at 202, 203 and 204 located in spaced positions 20 Each of the locator stations include provision
cated at the geographically separated transmit
ting station I13. The frequency indicator con
tains a multiplicity of vibratory reeds represented
for shielding the loops 5 and 1 from direct recep
tion of signalling energy as represented at S, S1
and S2.
upon the existence or non-existence of an ex
The scale 205 of the frequency indicator 20I
citing current in operating windings 200, 208 or
201, etc. An individual operating winding and 25 is immediately associated with a semi-circular
dial structure 229 calibrated‘in degrees and over
associated reed is provided for each remote sta
which indicator arm 225 is angularly movable
tion so that it is possible by observing the scale
under control of shaft structure 226 which con
205 to determine which locator station is acti
nects with angularly shiftable re?ector 10 piv
vated by re?ected energy. Fig. 19 as shown sche
matically represents locator station I10 activated 30 otally mounted at 12. As the re?ector 10 is an
gularly shifted for swinging the beam of ultra
by the re?ected energy so that operating winding
high frequency energy in a wide path, the indi
200 is energized through the circuit completed
cator arm 225 follows a corresponding path of
from audio frequency source I98 through con
movement with respect to the calibrated scale 229.
tactor I92, contact I91 and activating winding
Accordingly, it is possible to read the angle at
200 through the remote line circuit 208 and re
which the ultra-high frequency beam is propa
turning through the remote lines I99. Movement
along a scale 205. These reeds each vibrate se
lectively at different audio frequencies depending
of the contactor under control of armature I92
also closes contacts I95 and I96 closing the cir
gated by directly observing the position of indi
cator 225 with respect to scale 229. The distance
from each locator station I 10, I1 I, I12, etc., to the '
whereupon relay armature 2I0 is angularly 40 transmitting station I13 and more particularly to
the exact center line of the reed indicators in
shifted to open the circuit from the power source
the frequency indicator 20I is known and ?xed.
2“ to the motors 69 and 13 thereby arresting
I have indicated the distance between reed 202
both the frequency ‘shift control for the trans
and locator station I10 by the distance 5. The
mitter and the beam sweeping mechanism for the
distance between reed 203 and locator station I1I '
transmitter.
45
is indicated by the distance 81. The distance be
The other remote locator stations are similarly
tween the reed 204 and the locator station I12 is
arranged. In the case of station "I the relay
indicated by the distance ‘82. Accordingly, when
armature I93 controls a contactor arranged to
any of the locator stations are activated by re
close circuits through contacts 2I2, 2I4 and 2I5.
The closing of contactor 2I2 completes a circuit 50 ?ected energy, the angle of propagation and cor
respondingly the angle of incidence can be di
through audio frequency source 2I6 and a remote
rectly read from scale 229 and the distance 5 is
control line 2I1 to activating winding 206 of the
immediatelyv known. As represented in Fig. 20,
frequency indicator 20I, the circuit being com
substitutions and solutions for the altitude A may
pleted through line 2I8 for thereby giving an
'
indication through reed 203 of the receipt of re 55 ‘be immediately made by the relation: ~
?ected energy from aircraft I15 at the instant
A=tan cal/2 '
that the transmitter is radiating a beam of ens
Other‘ trigonometric functions can also be de-‘
ergy in the direction I18.
termined inasmuch as the angle is directly ob
Similarly a condition of re?ected energy at lo
servableiand the length of the side adjacent the
cator station I12 may be observed when relay I9I
is activated, moving the armature which shifts - angle is known.
In order to insure the precision operation of
contactor I94 into circuit closing position with
the system of my invention, I may provide means
respect to contacts 2I9, 220 and 22I. A circuit
for controlling the propagation of energy from
path is completed through audio frequency source
224, contactor I94, contact 2I9, remote control 65 the transmitter only to that altitude required
under particular weather conditions. That is,
‘ line 222, activating winding 201 of frequency in
under conditions of heavy static, more power is
dicator 20I and remote control line 223 back to
necessary for propagation than would be the case
the audio frequency source 224. Thus reed 204 is
under conditions of fair weather. Various meth:
set into vibration indicating the receipt of re
?ected energy at locator station I12. Pairs of 70 ods may be employed to control the radiation out
put of the transmitter in accordance with weather
contacts 220 and HI are closed by contactor I94
conditions. In Fig. 21 I have shown the trans
for energizing solenoid 82 and opening the cir
mitter 229 coupled to the tuned output circuit
cuit to driving motors 69 and 13 for arresting the
cuit through solenoid 82 and source of power 209
66-48 through a radio frequency ampli?er stage
quency sources I98. 2I6 and 224 have frequencies 75 represented generally at 230 for impressing ultra
operation of the transmitter. _ The audio fre
2,618,279
high frequency energy upon the radiating element
16
force B was developed. In Fig. 24 I have shown
'4. The grid circuit of tube 22l may be provided
the manner in which the transmitter in develop
with suitable bias potential from direct current
ing force A that strikes the body forces a‘ re?ected
generator 222 which is regulated through rheostat
force B directed toward the receiver which in turn
223. An aneroid cell 224 is arranged to vary the
releases a multiplicity of forces C which may dis- ,
eifective resistance of rheostat 232 for controlling
seminate in many directions. These principles
the bias potential on the grid of tube 2“ for
_are applicable for many purposes as illustrated,
thereby controlling the transfer of energy to the
for example, in Figs. 25, 26 and 27.
radiation element 24. The aneroid cell changes
In Fig. 25 the vessel 23! is shown equipped
its physical characteristics in accordance with 10 with rudder control equipment for automatically
barometric pressure for correspondingly changing
averting collision with another vessel 238. The
the setting of rheostat 2". It will be understood
apparatus employed is similar to one channel of
. that instead of changing the condition of bias the
the equipment described in Fig. 1 in which energy '
aneroid cell may change the amplitude of the cur
rent supplied to the radiation circuit and corre
directed in a beam from transmitter ‘4 follows
spondingly control the propagation of energy into
space according to conditions of the weather.
My invention contemplates the mounting of
15 the course shown at 231 striking the object 238
and being returned along in the direction 238
where the energy activates loop 1 associated with
receiver 4, and antenna II. The loop ,1 is auto
matically orientable by driving motor l2 through
in such arrangement that compensating torsional 20 worm and gear combination 22-23 for driving
springs are imposed between the gun and the gun
through the corrective gear system 24, 25 and 28
the antiaircraft guns or destructive weapons 21
mount on table 42 so that kickback or throw-oi‘!
of the gun from the discharge thereof is absorbed.
the “Selsyn” generator 29. Energy is imparted
by “Selsyn" generator 29 through synchronous
follow-up system I. to “Selsyn” motor 31 which
It will be understood that the rhythmical wav
ing of the transmitter beam is only arrested for 25 drives gear 34 in a manner similar to that de
' a predetermined time period after the initial
scribed in connection with Fig. 1. Gear 34
re?ection of energy by the intervening body. The
meshes with gear 23! carried by rudder control
shaft 240. Rudder 2“ is controlled through suit
purpose of arresting the movement of the beam
able mechanism by shaft 240 for directing rudder
by the relay control circuit "-86 is to effectively
destroy waves of attacking aircraft which may 30 2“ in such direction as will enable vessel 235 to
escape collision with object 236. The circuits of
follow the initial aircraft which triggers of! the
the receiving system are regulated to respond at
arresting means. The time delay means "a and
an amplitude precalibrated as to distance between
lie in'Figs. 1 and 2 and 221 in Fig. 19 become
the vessel 235 and object 236. Direct influence of
ineifective after a predetermined time interval
and restore the transmission system to the origi 35 the transmitter 84 upon the receiving system is
prevented by a suitable shield S.
I
nal condition of rhythmic waving and change in
My invention is also applicable in the guiding
of other objects such as the aerial bomb 242 shown
It will be understood that any suitable trigger
in Fig. 26. The aerial bomb 242 is equipped
ing device may be employed as part of the fire
with apparatus similar to that illustrated in
control mechanism 88 embodied in the circuits of
Fig. 10 for guiding the aerial bomb to a destina
Figs. 1-2 and in all of the arrangements embody
tion comprising a metallic body. The radio con
ing the automatic actuation of the destructive
trol apparatus is housed within the nose 243 of
weapon. A solenoid operated-by the ?re control
the bomb and comprises the equipment described
mechanism indicated generally at 8| effects the
operation of the firing pin of the aircraft gun 81. 45 in Figs. 1 and 2 except that it is unnecessary in
this application to utilize the frequency change
Various forms of firing mechanisms may be em
provision at the transmitter described in Fig. 2.
ployed and as one example of automatic ?ring
The equipment in the nose 243 of the bomb 242
device, reference is made to Patent 1,288,386 of
includes transmitter 64 separated by shield S from December 17, 1918, to Fernon Conill which may
the loop system 'i-S connected with the receiver
be employed in the system of my invention.
system 3-4 connected through circuits as illus
Although my invention has been described with
trated in Figs. l-2 to control mechanism con
some particularity in connection with destructive
stituted by "Selsyn" motors 31 and 50 for driv
weapons, it will be understood that my invention
ing gear systems 34-33 and 44-43, respectively,
has many peacetime applications in the naviga
tion of aircraft for Civil Aeronautics Administra 55 for orienting the guide vane 244 through mech
anism similar to that described in connection
tion operation where it is important to have accu
with Figs. 16, 17 and 18.
rate knowledge of the location of aircraft ?ying
Fig. 26 is representative of a large number of
on various schedules. Many other applications
applications of my invention including propelled
of my invention will occur to those skilled in the
art from the description ‘I have given herein.
60 mines and parachute equipment. A parachutist
equipped with a guiding apparatus similar to that
By way of example, I have illustrated sche
represented by Fig. 26 may maneuver parachute
matically certain of the applications of my inven
toward a particular objective such as the metallic
tion in Figs. 25, 26 and 27. I have schematically
structure of a fortress in attacking the objective
illustrated the principles embodied in my inven
for landing under cover of darkness. Such an
tion in Figs. 22, 23 and 24. Fig. '22 brings out
arrangement enables paratroopers to more ac
clearly the development of a force A by the trans
curately descend toward a concentrated spot.
mitter which strikes the intervening body pro
frequency.
‘
‘
’
ducing a re?ected force B. The re?ected force B
The mechanism provides in effect a pulling or
attractive force to direct the paratrooper to a
particular location inasmuch as the paratrooper
will be guided toward a metallic structure.
In Fig. 27 I have represented an application
of my invention for the prevention of collision
is received by the receiver and relays the force C
which is directed toward the body. These princi
ples were well set forth in my Patent No. 2,399,426.
In Fig. 23 however, I show schematically the fur
ther advantages embodied in the system of my
invention by which force C is directed in some
\ of automobiles; trains or other moving bodies as
other direction than toward the body from which
represented by vehicle 245._ The objective or
ii
2,518,279
17
18
vehicle with which collision is to be avoided is
shown at. 246. Transmitter 64 on vehicle 245
having contactors disposed therein, one of said
contactors'being controlled by energy received by
said vertically arranged device and the other of
transmits ray 231 as in Fig. 25 which is re?ected
along path 238 as in Fig. 25 for activating receiv
ing antenna which in this instance may be of
said contactors being controlled by energy re
ceived by said horizontally arranged device for
operating said ?re control when both of said de
simpli?ed form designated generally at 241. The
receiving antenna connects with radio receiver
vices are activated.
248, the output of which includes relay 249 having
4. A remote detection and control system com
contact 250 arranged in a local control circuit
prising an energy transmitting station for pro
to an electromagnetic braking system repre 10 jecting energy in a beam, a receiving station in
sented at 25l suitably energized from source 252.
cluding vertically and horizontally arranged de
The electromagnetic braking system_ applies a
vices for receiving energy re?ected by an inter
third force to the brake system 253 of a brake
vening body ‘intercepting the path of the pro
drum 254 for slowing vehicle 245 for preventing
jected beam, means for directing a projectile to
collision with obstruction 246. The receiver 248 154 ward the'intervening body, ?re control mecha
is precalibrated to activate relay 249 upon rise
nism associated with said means, a series circuit
in signal amplitude beyond a predetermined
leading to said ?re control mechanism and hav
level.
ing contactors disposed therein, one of said con- '
>
It will be understood that the principles I have
tactors being controlled by energy received by
20 said vertically arranged device and the other of
said contactors being controlled-by energy re
ceived by said horizontally arranged device for
‘operating said ?re control when both of'said de
described herein are applicable generally to a
seabody repulsing or avoiding a seabody, an air
,body repulsing or avoiding an airbody, a land
body repulsing or avoiding a landbody, or an
underseabody repulsing or avoiding an under
“' vices are activated, and means for maintaining
seabody, or any of these avoiding or repulsing any 25 said contactors closed for a predetermined time
of the other bodies or any other objects.‘
period after the initial activation of said devices
While I have described my invention in cer
for maintaining said ?re control mechanism ‘in
tain of its preferred embodiments, I_ realize that
various modi?cations may be made and I intend
no limitations upon my invention other than may
be imposed by the scope of the appended claims.
What ‘I claim as new and desire to secure by
Letters Patent of the United States is as follows:
1. A remote detection and control system com
prising a transmitter an emitter connected to said
operation over a predetermined time period.
5. A remote detection and control system com
prising means for transmitting a beam of ultra
high frequency energy, means for varying the
frequency of the emitted ultra-high frequency en
ergy, means for controlling the angle of move
ment of the beam of ultra-high frequency energy
abouth both vertical and horizontal axes, a receiv
transmitter for emitting high frequency energy
ing system including vertically and horizontally
in an angularly displaceable beam, means for
self-orientable signal receiving structures ar
orienting said emitter a receiving system com
ranged to receive energy re?ected by a body in
prising vertically and horizontally orientable loop
tervening in the path of the transmitted beam,
systems, a device angularly shiftable along both 40 means controlled by the self-orientable signal
vertical and horizontal axes in proportion to the
receiving structures for controlling said ?rst men
movement of said orientable loop systems and
tioned means, and means .operative upon receipt
means controlled by said device for operating the
of energy re?ected by the intervening body for
aforementioned means whereby an intervening
arresting the operation of the frequency vary
body in the path of the emitted high frequency 45 ing means for a predetermined time period.
energy effects a re?ection of energy to said re
6. A remote detection and control system com
ceiving system for controlling an emission of
prising a transmitter for emitting high frequency
energy by said device in the direction of said
intervening body.
'
energy in an angularly displaceable beam, a re
ceiving system comprising vertically and hori
2. In a remote detection and control system, 50 zontally orientable receiving devices, signal re
a transmitting station including means for emit
ceiving apparatus individual to each of said re
ting a beam of energy in space, a receiving sta
ceiving devices and forming separate receiving
tion having both vertically and horizontally dis
posed means for receiving energy re?ected by an
channels, a dual telephone circuit having one »
telephone connected to one receiving channel and
intervening body in space from said transmitter, 55 the other telephone connected‘ to the other re
another energy transmitter movable about ver
ceiving channel for simultaneously observing the
tical and horizontal axes for directing energy to
operation of each signal receiving apparatus,
ward the intervening body, means operated by
means for propagating energy into the area into
said vertically and horizontally disposed energy
which said high frequency energy is emitted,
receiving means for controlling the angular
means controlled by said receiving apparatus for
movement of said last mentioned energy trans
orienting, aiming and activating said last men
mitter and means controlled by energy received
tioned means in accordance with the position
by both said vertically and horizontally disposed
of an intervening body intercepting said emitted
means for activating said last mentioned energy
high frequency energy and re?ecting such energy
transmitter.
>
65 to said receiving devices.
3. A remote detection and control system com
'7. A remote detection and control system com
prising an energy transmitting station for pro
jecting energy in a beam, a receiving station in
cluding vertically and horizontally arranged de
vices for receiving energy re?ected by an inter
vening body intercepting the path of the pro
jected beam, means for directing a. projectile to
ward the intervening body, ?re control mecha
nism associated with said means, and aseries
circuit leading to said ?re control mechanism and 75
prising a. transmitter for emitting energy in an
angularly displaceable beam, a receiving system
comprising vertically and horizontally orientable
energy receiving elements automatically adjust
able in position according to the direction of the
received energy, a gun, means for mounting the
gun for vertical and horizontal positional adjust
ment, ?re control mechanism for the gun, means
controlled by said energy receiving elements for
19
8,518,879
controlling the positional adjustment of the gun,
and means operated by said receiving system for
actuating said ?re control mechanism accord
ing to the time of interception of the transmit
ted energy by van intervening body 'and the re- 5
?ection of the energy to said receiving system.
JAMES ALBERT BRADLEY.
REFERENCES, CITED
The following references ore of record in the 19
file of this patent:
UNITED STATES PATENTS
Number
Name
Date
1,892,431
Hammond -1. _____ _'_ Dec. 27, 1932 1.
Number
2,176,469
2,216 .575
2,231,929
2,256,787
2,304,446
2,409,448
2,409,462
Name
Date
v
Moueix ______..__ __._ Oct‘ 57 1939
Seinfeld __________ __ Oct. 1, 1940
Lyman ___________ .. Feb. 18, 1941
Lazar 1 __________ __ Sept. 23, 1941
Eaton ___________ __ Dec. 8, 1942
Root et a]. __ _______ __ Oct. 15, 1946
Zworykin et a] _____ __ Oct. 15, 1946
FOREIGN PATENTS
Number
455,785
546,488
Country
Date
Great Britain _____ __ Oct. 27, 1936
Great Britain ___'___ July 16, 1942