Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1992-01-13
1994-02-15
Pascal, Leslie
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359142, 359146, 348734, H04B 1010
Patent
active
052872106
ABSTRACT:
An infrared controller device includes an infrared detector for detecting infrared signals from a remote control infrared transmitter and microprocessor circuitry responsive to the infrared detector for producing an output and switching the output from an OFF state to an ON state if a detected infrared signal has a predetermined waveform. The microprocessor circuitry is configured to operate in a LEARNING MODE in which the microprocessor circuitry produces and stores a set of LEARNED DATA indicative of the waveform of a detected infrared signal. The microprocessor circuitry is also configured to operate in a WORKING MODE in which the microprocessor circuitry (a) produces a set of WORKING DATA for each detected infrared signal that is indicative of the waveform of the detected infrared signal, (b) compares the set of WORKING DATA for each detected infrared signal with the first set of LEARNED data, and (c) switches the output from an OFF state to an ON state if the WORKING DATA matches the LEARNED DATA. The microprocessor circuitry may be configured to learn more than one infrared signal and the controller may be combined with a rotatable TV stand to provide remote clockwise and counterclockwise control of the stand with virtually any infrared remote control transmitter.
REFERENCES:
patent: 4703359 (1987-10-01), Rumbolt
patent: 4771283 (1988-10-01), Imoto
patent: 4802114 (1989-01-01), Sogame
patent: 4856081 (1989-08-01), Smith
patent: 4866434 (1989-09-01), Keenan
patent: 5124805 (1992-06-01), Chung
patent: 5148159 (1992-09-01), Clark
Hanson Loyal
Pascal Leslie
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