Optical transducer

Details Optical transducer Optical transducer

1988-02-11

1989-12-19

Evans, F. L.

Optics: measuring and testing

By polarized light examination

With light attenuation

250237G, 356375, G01B 1100

Patent

active

048879029

ABSTRACT:
A linear to rotary transducer comprising a linearly movable input structure restrained against rotation by a rotation restraining arrangement and a rotatable output structure, in which a permanently biased torsion spring having the rotatable output structure integral with it is fixed at one end relative to the rotation restraining arrangement and provides at its other end an elongate torsion spring strip along which a linearly movble connection is provided between the linearly movable input structure and the torsion spring strip so that as the input structure and thus the linearly movable connection move towards or away from the rotatable structure the effective location of the rotatable output structure within the active part of the torsion spring is varied in order to produce proportional rotation of the rotatable output structure.

REFERENCES:
patent: 4387300 (1983-06-01), Dudash et al.

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