Optical reproduction signal processing circuit for producing an

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system

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369 4432, 369124, G11B 795

Patent

active

055507972

ABSTRACT:
A processing circuit for an optical reproduction signal provided with a signal generating unit for dividing an optical reproduction signal output from a photo detector and including a plurality of signal components into a plurality of signals having frequency regions corresponding to the respective plurality of signal components and performing current/voltage conversion on the divided optical reproduction signals and a correcting unit for adding the results of the current/voltage conversion of the signal components to correct the results of the current/voltage conversion.

REFERENCES:
patent: 5229984 (1993-07-01), Komo et al.

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