Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1998-10-15
2000-01-11
Dinh, Tan
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 54, G11B 1722
Patent
active
060143509
ABSTRACT:
When information is reproduced from a recording medium having a plurality of tracks with respective addresses, a head is moved relative to the recording medium in order to let the head make access to a target track. A memory is provided for storing information having been reproduced in the past by the head. When, in making the access, the head reaches another track as failing to make access to the target track, a controlling unit reads information of the other track reached and stores the information in the memory. In recording of information, when, in making the access, the head reaches another track as failing to make access to the target track, the controlling unit writes information in the other track reached.
REFERENCES:
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patent: 4931628 (1990-06-01), Wada
patent: 4982391 (1991-01-01), Sakagami et al.
patent: 4982394 (1991-01-01), Kanda et al.
patent: 5018124 (1991-05-01), Ogasawara et al.
patent: 5274615 (1993-12-01), Rokutan
patent: 5442613 (1995-08-01), Horiguchi
Canon Kabushiki Kaisha
Dinh Tan
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