Device and method capable of converting a position signal into a

Details Device and method capable of converting a position signal into a Device and method capable of converting a position signal into a

1997-06-10

1999-03-16

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

2502016, 356 304, 396106, 327514, G01J 120

Patent

active

058833790

ABSTRACT:
A device and method capable of converting a position signal into a frequency signal using a photoelectric position sensitive detector is provided. The device capable of converting a position signal into a frequency signal comprises: a PSD, two current mirrors, a variable optimum constant current source, and a converter. The method capable of converting a position signal into a frequency signal comprises: providing a PSD, providing two current mirrors, providing a variable optimum constant current source, and providing a converter to convert a position signal into a frequency via a relationship.

REFERENCES:
patent: 5005970 (1991-04-01), Kunishige
patent: 5200602 (1993-04-01), Ikebe et al.

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