Keyboard with keys for moving cursor

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

1997-11-19

2000-04-18

Horabik, Michael

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

200 5A, 200 86R, 708138, G06F 100

Patent

active

06052071&

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: 4517421 (1985-05-01), Margolin
patent: 4795888 (1989-01-01), MacFarlane
patent: 5142109 (1992-08-01), O'Meara
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patent: 5595449 (1997-01-01), Vitkin
patent: 5616897 (1997-04-01), Weber
patent: 5642109 (1997-06-01), Crowley
patent: 5648771 (1997-07-01), Halgren
patent: 5666112 (1997-09-01), Crowley
patent: 5691716 (1997-11-01), Crowley
patent: 5742241 (1998-04-01), Crowley

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