Optical pickup

Details Optical pickup Optical pickup

1995-06-12

1997-04-01

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specified detail of transducer assembly support structure

369 4414, 359814, G11B 708, G11B 2116

Patent

active

056174039

ABSTRACT:
An optical pickup comprises a slide member displaced between an inner periphery of an information recording medium and an outer periphery thereof, a laser-beam receiving and emitting device comprised of an emitting unit for irradiating the information recording medium with a laser beam and a receiving unit for receiving therein a laser beam reflected from the information recording medium, a first laser-beam receiving and emitting device holding means rotated so as to approximately linearly move with a position different from an optical axis of the laser beam as a fulcrum to thereby position and hold the laser-beam receiving and emitting device, and a second laser-beam receiving and emitting device holding means rotated with the optical axis thereof as a fulcrum to thereby position and hold the laser-beam receiving and emitting device. According to the above construction, the use of two types of slide members become unnecessary and the position of the slide member can be easily adjusted.

REFERENCES:
patent: 4912693 (1990-03-01), Goda
patent: 5008873 (1991-04-01), Tanaka et al.
patent: 5124974 (1992-06-01), Kato et al.
patent: 5132534 (1992-07-01), Namigawara
patent: 5345432 (1994-09-01), Kasahara et al.

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