Optical detector assembly and method

Details Optical detector assembly and method Optical detector assembly and method

1979-04-04

1981-04-28

Corbin, John K.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

350 9626, 250227, G02B 514, G02B 517

Patent

active

042641276

ABSTRACT:
An optical detector assembly is disclosed for detecting light-dark variations in an encoded surface or the like. The assembly includes a resilient ferrule having a profiled bore for receiving a transmitting and a receiving optical waveguide therein in axially adjacent relationship and crimping means for radially compressing a nose portion of the ferrule around the waveguides holding the waveguides in closest proximity. End surfaces of the assembly waveguides and resilient ferrule are subsequently prepared at a common prescribed angle so that, upon normally positioning the detector assembly above the encoded surface, transmitted light is refracted at the transmitting waveguide end surface toward a relatively small detection zone of the encoded surface. The like-angled end surface of the receiving waveguide receives, with refraction, light reflected from the detection zone.

REFERENCES:
patent: 3417234 (1968-12-01), Sundblad et al.
patent: 3430057 (1969-02-01), Genahr
patent: 3786238 (1974-01-01), Heisner
patent: 3868514 (1975-02-01), Israelsson
patent: 3903615 (1975-09-01), Dotsko
patent: 3916184 (1975-10-01), Turner et al.
patent: 3937558 (1976-02-01), Mukai et al.
patent: 3953730 (1976-04-01), Henry et al.
patent: 3956587 (1976-05-01), Nelson
patent: 4033698 (1977-07-01), Demsky et al.

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