Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Patent
1996-12-10
1998-09-08
Liang, Regina
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
345184, G09G 500
Patent
active
058051465
ABSTRACT:
A circuit control device of the type having a knob which an operator travels along a track to vary a circuit condition is disposed on the face of an electronic display screen. This enables a display of calibration marks, symbols and/or other indicia pertaining to operation of the control including at; locations in immediate proximity to the slidable knob which display can change instantly when the function of the control changes or when other conditions call for different graphics. The track and sliding knob and electronic components of the control signal producing circuit are at the front of the display screen thereby enabling easy repair. Components of the control signal producing circuit are contained within the knob and/or track. Knob motion is detected by compact and durable sensors which may include radio frequency sensors, capacitive sensors, photoelectric sensors or Hall effect sensors among others.
REFERENCES:
patent: 5060272 (1991-10-01), Suzuki
patent: 5191320 (1993-03-01), Mackay
patent: 5572239 (1996-11-01), Jaeger
Jaeger Denny
Twain Kenneth M.
Intertactile Technologies Corporation
Liang Regina
Zimmerman Harris
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