Encoder for detecting a position of a detection target

Details Encoder for detecting a position of a detection target Encoder for detecting a position of a detection target

2007-08-14

2007-08-14

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S2140RC

Reexamination Certificate

active

10952315

ABSTRACT:
A plurality of analog signals are detected in a sensor in accordance with a displacement of a scale on which a pattern with a predetermined cycle is formed. The plurality of analog signals are subjected to signal processing in a signal processing portion, and then output from a sensor head. Setup switching is performed by a setup switching portion provided in the sensor head in such a manner that an output signal at this moment complies with a signal input specification of a positional information output device. Further, the sensor, the signal processing portion and the setup switching portion form an integrated circuit.

REFERENCES:
patent: 4034292 (1977-07-01), McClelland, III
patent: 10-253392 (1998-09-01), None
patent: 3431101 (2003-05-01), None

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