Recording and/or reproducing device

Details Recording and/or reproducing device Recording and/or reproducing device

2005-09-06

2005-09-06

Heinz, A. J. (Department: 2653)

Dynamic optical information storage or retrieval

Optical storage medium structure

Reexamination Certificate

active

06941571

ABSTRACT:
The present invention provides a recording and/or reproducing apparatus using a magneto-optical disc (3) as a recording medium, which includes a recording and/or reproducing mechanism (7) for recording and reproducing information signals to and from the magneto-optical disc (3) rotatably housed in a disc cartridge (2), a support base (19) which supports the recording and/or reproducing mechanism (7), and a impact drive mechanism (9) which causes the electromechanical-transduction element (25) to lengthen and shorten corresponding to driving pulses to shift the drive shaft (24) along the shaft direction thereof so as to cause the movable portion (27) to slide along the shaft direction of the drive shaft (24) together with the support base (19), and the recording and/or reproducing mechanism (7) and the impact drive mechanism (9) are arranged within a projection area of the openings (4a), (4b) of the disc cartridge (2) for exposing a part of the magneto-optical disc (3) to the outside from the inner to the outer circumference thereof

REFERENCES:
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patent: 5757761 (1998-05-01), Menke et al.
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patent: 2003/0012118 (2003-01-01), Su et al.
patent: 2003/0128456 (2003-07-01), Shitara et al.
patent: 9-115148 (1997-05-01), None
patent: 11-102579 (1999-04-01), None
Patent Abstracts of Japan, JP 11-144295, May 28, 1999.
Patent Abstracts of Japan, JP 11-161969, Jun. 18, 1999.
Patent Abstracts of Japan, JP 2000-030262, Jan. 28, 2000.

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