Infrared based computer input devices including keyboards and to

Details Infrared based computer input devices including keyboards and to Infrared based computer input devices including keyboards and to

1996-10-04

1998-01-13

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

345157, 345175, G09G 0508

Patent

active

057071608

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.

REFERENCES:
patent: 4695827 (1987-09-01), Beining et al.
patent: 4812833 (1989-03-01), Shimauchi
patent: 4855590 (1989-08-01), Bures et al.
patent: 5161760 (1992-11-01), Terbrack
patent: 5414413 (1995-05-01), Tamaru et al.
patent: 5424756 (1995-06-01), Ho et al.
patent: 5489922 (1996-02-01), Zloof
patent: 5500459 (1996-03-01), Marshall et al.
patent: 5502459 (1996-03-01), Marshall et al.
patent: 5577848 (1996-11-01), Bowen

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