Method for detecting a position receiving a light beam

Details Method for detecting a position receiving a light beam Method for detecting a position receiving a light beam

1989-12-14

1990-08-14

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250561, H01J 4014

Patent

active

049489674

ABSTRACT:
Disclosed is a method for detecting a position receiving a light beam by using optical fibers. One-side end face of a plurality of optical fibers are arranged in a line or plane. Each optical fiber is branched by a light beam splitter having a plurality of output ports. The branched optical fibers are bundled into groups. Each group of the bundled optical fibers is connected to a light beam detecting sensor which consists of one light beam detecting member for detecting a position receiving a laser beam. Therefore, a large number of light beam sensors are not needed. As a result, the accompanying electronic circuits can be simplified, and high speed processing without any delay is also permitted.

REFERENCES:
patent: 4074142 (1978-02-01), Jackson

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