Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Reissue Patent
2005-02-15
2005-02-15
Faber, Alan T. (Department: 2651)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
C369S047360, C369S047380
Reissue Patent
active
RE038703
ABSTRACT:
For scanning a disc-shaped information carrier at a high average information rate with minimum access time, the angular velocity is decreased substantially as the radial distance to the scan location increases, while at the same time the linear velocity of track scanning increases substantially. The track may be divided into zones which are scanned with constant angular velocity. With respect to the inner tracks of at least two adjacent zones, or the innermost and the outermost tracks, the angular velocity decreases less than inversely with increase of radial distance, while the linear velocity increases less than proportionally with increase of radial distance.
REFERENCES:
patent: 4492992 (1985-01-01), Rooney et al.
patent: 4514771 (1985-04-01), Stark et al.
patent: 4750059 (1988-06-01), Syracuse
patent: 4780866 (1988-10-01), Syracuse
patent: 4901300 (1990-02-01), Van Der Zande et al.
patent: 5161142 (1992-11-01), Okano
patent: 5187699 (1993-02-01), Raaymakers et al.
patent: 5425014 (1995-06-01), Tsuyuguchi et al.
patent: 325329 (1989-07-01), None
patent: 326206 (1989-08-01), None
patent: 6290538 (1994-10-01), None
Bakx Johannus L.
Stan Gheorghe S.
Faber Alan T.
Koninklijke Philips Electronics , N.V.
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