Contacting pickup optical reproduction system

Details Contacting pickup optical reproduction system Contacting pickup optical reproduction system

1974-09-03

1976-09-14

Konick, Bernard

Telegraphy

Systems

Simplex-reversing periodic

178 67A, 17910041L, 1791003V, G11B 1112

Patent

active

039808114

ABSTRACT:
A contacting pickup optical waveguide reproduction system and method for reproducing information carried on a recording medium. The recording medium is of the type having optically reflective pits formed in an information path. Information is stored as a function of pit modulation. The system includes an optical pickup adapted to slidably contact an information path along a recording medium and means for illuminating the pits. Optical waveguide means is provided for receiving illumination reflected by said pits and an optical-to-electrical energy transducer is coupled to said optical waveguide means. A particular embodiment includes a remote optical-to-electrical energy transducer.

REFERENCES:
patent: 3235672 (1966-02-01), Beguin
patent: 3404224 (1968-10-01), Revelo
patent: 3654401 (1972-04-01), Dickopp
patent: 3818148 (1974-06-01), Dickopp
patent: 3855426 (1974-12-01), Bouwhuis

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