Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Electric switch controlled by the radiant energy responsive...
Patent
1984-05-31
1985-11-05
Dixon, Harold
Electric lamp and discharge devices: systems
With radiant energy sensitive control means
Electric switch controlled by the radiant energy responsive...
340541, 343 5PD, 367 93, 367 94, H05B 3702
Patent
active
045516545
ABSTRACT:
A lighting control circuit responsive to amplitude variations related to the effects of movement on the reflection of electromagnetic energy at an ultrasonic frequency.
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patent: 2903683 (1959-09-01), Bagno
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patent: 3513463 (1970-05-01), Stevenson
patent: 3594768 (1971-07-01), Harris
patent: 3646506 (1972-02-01), Suter
patent: 4193055 (1980-03-01), Barnum
patent: 4305021 (1981-12-01), Schreiden
Dixon Harold
Isaac John L.
Kesser Electronics International, Inc.
March Arthur A.
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