Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Patent
1995-01-13
1997-08-26
Hjerpe, Richard
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
345168, 345167, 345157, G09G 500
Patent
active
056615051
ABSTRACT:
A single-hand controlled computer input device can be used as a keyboard or a pointing device. When used as a keyboard, a housing is mounted for rocking movements between three stable positions, including two angular end positions and one intermediate position midway between the end positions. Stability in the intermediate position is provided by resting the housing of the keyboard on two spaced stable elements, each of which serves as a separate axis for pivoting the housing to one of the angular end positions. Characters, numerals, symbols and functions may be selected using one hand by initially pre-selective rocking of the housing by movement of the hand to one of the stable positions to enable an associated actuator switch and subsequently actuating at least one of the multi-function keys on the keyboard by contact of a key with a tip of the user's finger. The housing may be supported on a working support surface or can be mounted for rocking on a stationary base. The multi-function keys may include mechanical switches, optical sensors or a pointing device.
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Chang Kent
Hjerpe Richard
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