Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Plural radiant energy responsive devices
Patent
1974-12-13
1976-06-22
Mullins, James B.
Electric lamp and discharge devices: systems
With radiant energy sensitive control means
Plural radiant energy responsive devices
307235F, 307235T, H05B 3904
Patent
active
039653889
ABSTRACT:
A digital light responsive switching circuit in which a plurality of photosensors are respectively responsive to different sources of illumination and in which the electrical input channels are independent and each operative to provide digital output signals representative of sensed illumination levels.
REFERENCES:
patent: 3569739 (1971-03-01), Stolman
patent: 3790848 (1974-02-01), Lai
Arthur D. Little Inc.
Hostetter Darwin R.
Mullins James B.
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