There exist today many types of hand-held electronic devices, each of which utilizes some of user interface. The user interface can include an output device in the form of a display, such as a LCD, and one or more input devices, which can be mechanically actuated electrically activated.
The display can be configured to present visual information such as text, multi-media data, and graphics, and the input devices can be configured to perform operations such as issuing commands, making selections, or moving a cursor or selector in the electronic device.
說明多點觸控的排列 drive circuit
驅動電路 sensing circuit
2.A process for operating a
multipoint sensing arrangement.
Drive sensing points
Read sensing points
Produce and analyze touch data
Compare current data to past data
Perform action based on comparison
3.A block diagram of a computer system incorporating a touch screen.
10303 program storage block
10306 hard disk drive
10307 input/output controller
10308 display device
10309 touch screen
4.A variety of electronic device and computer system form factors that may be used with a touch screen LCD according to the present invention.
10403 tablet computer
10406 media player
10407 mobile telephone
In another embodiment, an electronic device incorporating an integrated LCD touch screen is provided. The electronic device can take the form of a desktop computer, a tablet computer, and a notebook computer.
The electronic device can also take the form of a handheld computer, a personal digital assistant, a media player, and a mobile telephone. In some embodiments, a device may include one or more of the foregoing.