Dynamic magnetic information storage or retrieval – Record medium – In container
Reexamination Certificate
2007-03-16
2008-11-25
Davis, David D (Department: 2627)
Dynamic magnetic information storage or retrieval
Record medium
In container
C360S048000
Reexamination Certificate
active
07457082
ABSTRACT:
A magnetic recording medium constructed as a discrete track-type medium. The magnetic recording medium is constructed so that a track width of data recording tracks is equal to or smaller than a width produced by subtracting twice an off-track width of a magnetic head with respect to the data recording tracks during a recording of the recording data from a magnetic effective recording head width of the magnetic head. The track width is equal to or smaller than a width produced by subtracting twice an off-track width of the magnetic head with respect to the data recording tracks during a reproduction of the recording data from a magnetic effective reproduction head width of the magnetic head. A combined width of the track width and twice a width of the non-magnetic parts is equal to or larger than a combined width of the effective recording head width and twice the off-track width during the recording, and is equal to or larger than a combined width of the effective reproduction head width and twice the off-track width during the reproduction.
REFERENCES:
patent: 4513333 (1985-04-01), Young et al.
patent: 4694359 (1987-09-01), Oya
patent: 4847715 (1989-07-01), Kumassaka
patent: 5493466 (1996-02-01), Suyama
patent: 5590009 (1996-12-01), Ishida
patent: 6051299 (2000-04-01), Uchiyama et al.
patent: 7079344 (2006-07-01), Nikitin
patent: 2003/0179481 (2003-09-01), McNeil et al.
patent: 63026872 (1988-02-01), None
patent: 1-241001 (1989-09-01), None
patent: 6-111502 (1994-04-01), None
patent: 58-118028 (1994-07-01), None
patent: 7-085406 (1995-03-01), None
patent: 7 85406 (1995-03-01), None
patent: 10-222944 (1998-08-01), None
patent: 11-328662 (1999-11-01), None
English language Abstract of JP 1-241001.
English language Abstract of JP 7-85406.
English language Abstract of JP 10-222944.
English language Abstract of JP 11-328662.
English language Abstract of JP 6-111502.
English language Abstract of JP 58-118028.
Davis David D
Greenblum & Bernstein P.L.C.
TDK Corporation
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