Sensor circuit

Details Sensor circuit Sensor circuit

1985-04-26

1988-05-17

Laroche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502221, 34082554, G01V 904

Patent

active

047452757

ABSTRACT:
A sensor circuit including a current-driven type sensor for detecting changes in a predetermined state and control means having an input applied discontinuously with the output signal of the sensor means, wherein circuit arrangement is made such that the sensor means is supplied with a driving current only when the control means requires the output signal of the sensor means as the input signal to the control means. The sensor circuit finds advantageous application in floppy disc drives.

REFERENCES:
patent: 4163969 (1979-08-01), Enemark
patent: 4311986 (1982-01-01), Yee
patent: 4360912 (1982-11-01), Metz et al.
patent: 4551710 (1985-11-01), Troup et al.

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