Keyboard with keys for moving cursor

Details Keyboard with keys for moving cursor Keyboard with keys for moving cursor

1995-11-29

1997-11-25

Mullen, Thomas

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

345160, H03K 1794

Patent

active

056917163

ABSTRACT:
The present invention comprises a signal generator for sending an electrical signal from an expandable, flexible layer of material, the signal generator comprising an upper layer of flexible, resilient material and a lower layer of flexible, resilient material which between them define a cavity for enclosing an expandable material such as a cellular foam or gas, whereupon localized distortion of one of the layers of flexible material, effects a signal generation within the structure, which is transmissible through a proper circuit to an outside electrical device. A circuit may be arranged adjacent a plurality of said keys which senses when several of said keys are depressed in a skewed or sideways manner, so as to effect movement of a cursor or pointer on a monitor in communication with a processing unit and said keyboard.

REFERENCES:
patent: 4680577 (1987-07-01), Straayer et al.
patent: 5269004 (1993-12-01), Comerford et al.
patent: 5278557 (1994-01-01), Stokes et al.
patent: 5459461 (1995-10-01), Crowley et al.
"Smart Key", IBM Tech. Discl. Bull., vol. 28, No. 5, pp. 1859-1860, Oct. 1985.
"Enlarged Cursor Key with Trackball", IBM Tech. Discl. Bull., vol. 33, No. 9, pp. 428-430, Feb. 1991.

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