Optical analog rocker

Details Optical analog rocker Optical analog rocker

1995-03-15

1997-06-17

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

250221, 463 38, G09G 508, G06M 700

Patent

active

056401779

ABSTRACT:
An optical analog rocker in which mechanical movements of a manipulated control rod of the rocker are converted into electronic signals by means of an infrared emitter and an infrared receiver. The infrared receiver shifts relative to the infrared emitter when the control rod is swayed in different directions and thereby, changes the distance between it and the infrared emitter. The changing distance causes the infrared receiver to generate light-sensitive signals of different high or low linear voltage and current. The signals are received by a game interface card and are correctly sent to a computer. With these arrangements, the disadvantages associated with a worn variable resistance contact included in a rocker, such as poor contact condition and unstable signal output can be avoided.

REFERENCES:
patent: 3814199 (1974-06-01), Jones
patent: 3886361 (1975-05-01), Wester
patent: 5117102 (1992-05-01), Mitchell

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