Position locating optical coder utilizing optical fiber

Details Position locating optical coder utilizing optical fiber Position locating optical coder utilizing optical fiber

1985-12-19

1988-04-19

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250227, 340347P, G01D 534

Patent

active

047391634

ABSTRACT:
A position locating optical coder is provided formed by a sensor which includes a reader, for reading a code carrying element a pivoting micromirror actuated under the control of the output of the reader and a self contained power supply source. A module is provided which comprises two light emitters, a second reader, a unit for processing the signals from the second reader, and a power supply source. In addition a bidirectional coupler and optical fiber transmitting devices serve to transfer the code pulses between the sensor and the module.

REFERENCES:
patent: 4430566 (1984-02-01), Searle
patent: 4536649 (1985-08-01), Kozai et al.
patent: 4604725 (1986-08-01), Davies et al.
Patent Abstract of Japan, vol. 5, No. 182, (P-90), [854], Nov. 20, 1981; & JP-A-56 111 415, and 416 (Tokyo Shibaura Denki K.K.), 03.09.1981, Resume.

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