Computer input devices with light activated switches and light e

Details Computer input devices with light activated switches and light e Computer input devices with light activated switches and light e

1994-11-17

1997-02-25

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

345168, 345175, 364707, G09G 500, B41J 500

Patent

active

056054068

ABSTRACT:
A keyboard where no finger pressure is needed to input data, that uses rows of emitters opposed by rows of detectors to detect a finger position, that is environmentally sealed, and inherently intrinsic safe. The keyboard has a mouse function so an operators finger can be tracked to position a cursor on a host display, and input normal keyboard functions. A sleep mode for a display or keyboard that slows down the scan rate and emitter intensity to increase emitter life. A split keyboard for each hand with an arm rest with an arm strap to attach the keyboard to an operators arm and a strap to attach the keyboard to the arm of a chair. A learning keyboard with a mode for QWERTY or other key pattern keyboards that the position of the operators fingers are tracked and supper imposed on a display, so the operator can see when their finger is over the correct keyboard indicia so correct data entry can be made without looking at the keyboard.

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