Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Patent
1998-03-20
2000-10-17
Kim, W. Chris
Dynamic magnetic information storage or retrieval
General recording or reproducing
Recording-or erasing-prevention
G11B 1504
Patent
active
061340669
ABSTRACT:
A recording and reproducing apparatus using a cassette, which is capable of being set to a write-protect mode for a stored recording medium, includes a head for recording data inputted from an outside of the apparatus in the recording medium and reproducing data recorded in the recording medium; a detector for detecting whether the cassette is set to a record-possible mode or the write-protect mode; and a controller for controlling the apparatus so as to record input data from the outside of the apparatus and attribute information of the recording medium in the recording medium when the cassette is set to the record-possible mode and record the attribute information but not the input data in the recording medium when the cassette is set to the write-protect mode.
REFERENCES:
patent: 5493455 (1996-02-01), Miyoshi et al.
patent: 5852534 (1998-12-01), Ozue et al.
patent: 5907444 (1999-05-01), Oguro
Hiramoto Takao
Oota Satoshi
Takayama Yoshihisa
Chang Dexter T.
Frommer William S.
Kim W. Chris
Sony Corporation
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