Angle-position transducer

Details Angle-position transducer Angle-position transducer

1980-08-22

1982-03-16

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250211K, G01D 534

Patent

active

043202934

ABSTRACT:
An angle-position transducer using light-interrogation employs an optical track and a beam of light. The light beam is formed into a narrow line-pattern. The line-pattern is directed to impinge on the optical track as the optical track moves angularly relative to the line-pattern. The optical track and line-pattern interact in a way that alters the line-pattern unambiguously. A target detector intercepts the altered radiation and applies a proportional signal to electronic means for digital display.

REFERENCES:
patent: 1985044 (1934-12-01), Lyle
patent: 2796598 (1957-06-01), Cartwright
patent: 2879405 (1959-03-01), Pankove
patent: 3258601 (1966-06-01), Suleski
patent: 3649840 (1972-03-01), Thorn et al.
patent: 4103155 (1978-07-01), Clark
patent: 4109147 (1978-08-01), Heske

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