Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Patent
1997-12-15
2000-11-07
Neyzari, Ali
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
369 32, 369109, G11B 700
Patent
active
061446262
ABSTRACT:
In an optical information recording-reproducing apparatus, a spot for recording and a plurality of spots for reproduction irradiate, from an optical head, an information recording medium having a plurality of tracks and having address information recorded at the head of each track. The plurality of light spots are caused to scan the plurality of information tracks of the recording medium at one time to thereby record information or reproduce recorded information. Further, in the apparatus, such determination is made, on the basis of the address information reproduced by a predetermined preceding one of the plurality of spots for reproduction, as to whether the track on which the spot for recording or the spots for reproduction are positioned is a target track.
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patent: 5410137 (1995-04-01), Ichikawa
patent: 5444224 (1995-08-01), Miyamoto
patent: 5835471 (1998-11-01), Miyamoto et al.
patent: 5923631 (1999-07-01), Inoue et al.
Canon Kabushiki Kaisha
Neyzari Ali
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