Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1989-09-29
1991-03-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
377102, H01J 3150
Patent
active
049994867
ABSTRACT:
The invention comprises a semiconductor substrate with a plurality of photoconductive elements. The photoconductive elements are connected to form combinational logic gates. An optic substrate overlies the semiconductor substrate and directs light representing logic parameters onto the logic gates. The combinational logic gates have complementary inputs and complementary outputs such that combinational logic can be carried out using only AND and OR gates.
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Nelms David C.
The Boeing Company
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