Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1983-01-24
1985-04-23
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250231R, 73784, G02B 514
Patent
active
045132003
ABSTRACT:
A sensor and system for measuring movement between two points includes a plurality of members having bearing surfaces thereon with links pivotally connecting the members in a manner which causes the plurality of members to move into alignment along the direction of movement to be measured as such movement occurs. Two end members of the plurality of members are connected to the points between which movement is to be measured and an optic fiber is woven between the plurality of members causing the members in contact therewith from being aligned in the direction of movement to be measured before such movement occurs. Movement between the two points causes alignment of the members and bending of the optic fiber over the bearing surfaces thereon. Spacing of the members and configuration of the bearing surfaces thereon enable the sensor to measure movement over distances up to one inch or more.
REFERENCES:
patent: 4071753 (1978-01-01), Fulenwider et al.
patent: 4163397 (1979-08-01), Harmer
patent: 4294513 (1981-10-01), Nelson et al.
patent: 4436995 (1984-03-01), Whitten
Ives Neil A.
Marvin Dean C.
Hackler Walter A.
Nelms David C.
Occidental Research Corporation
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