Dynamic magnetic information storage or retrieval – Recording for changing duration – frequency or redundant...
Reexamination Certificate
2005-05-10
2005-05-10
Faber, Alan T. (Department: 2651)
Dynamic magnetic information storage or retrieval
Recording for changing duration, frequency or redundant...
C360S070000, C360S077130
Reexamination Certificate
active
06891687
ABSTRACT:
An input signal is recorded in a recording tape α by converting the input signal to a record signal through the modulation performed at the timing corresponding to the previously-specified number of tracks per division of signal by using input-signal converting means1,2, 3, and10and then rotating a head cylinder8at a revolving speed lower than the revolving speed of the head cylinder8corresponding to the timing for modulation and corresponding to a recording rate adjusted by the recording-rate adjusting means12by using recording means7, 8, 9, 10, and11. Thereby, it is possible to make the configuration of a head cylinder same even for a system in which the number of tracks per division of signal differs due to the difference in compressibility.
REFERENCES:
patent: 4167023 (1979-09-01), Bessette
patent: 5045954 (1991-09-01), Oishi
patent: 6233391 (2001-05-01), Morikawa
patent: 08-147609 (1996-06-01), None
patent: 10-214460 (1998-08-01), None
Shimogome Hiroyuki
Takahira Ryoichi
Faber Alan T.
Matsushita Electric - Industrial Co., Ltd.
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