Optoelectric sensor and converter

Details Optoelectric sensor and converter Optoelectric sensor and converter

1991-02-20

1992-07-28

Fields, Carolyn E.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

G01N 2100

Patent

active

051342820

ABSTRACT:
An LCD is provided for optical communication between a high frequency transducer and monitoring circuitry. The LCD modulates a light signal supplied by the monitor circuitry. The LCD is driven by the combination of two signals, a first signal representative of the parameter sensed by the transducer and a second, reference signal.

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patent: 4939793 (1990-07-01), Stewart

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