Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1988-12-28
1989-12-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250561, H01J 4014
Patent
active
048869767
ABSTRACT:
Driver cicuitry for multiple combination LED/silicon detector sensors arranged in an array or scattered in a machine, wherein the LEDs and detectors are connected in a matrix arrangement to common busses to reduce the number of connections and minimize interference.
REFERENCES:
patent: 3972622 (1976-08-01), Mason et al.
patent: 4171130 (1979-10-01), Jeschke et al.
patent: 4331328 (1982-05-01), Fasig
patent: 4559451 (1985-12-01), Curl
patent: 4691385 (1987-09-01), Tupman
patent: 4691912 (1987-09-01), Gillmann
Nelms David C.
Parks, Jr. Charles G.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
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