Dynamic magnetic information storage or retrieval – Record copying
Patent
1991-07-17
1993-11-02
Gensler, Paul
Dynamic magnetic information storage or retrieval
Record copying
360 60, 360 62, 358335, H04N 700
Patent
active
052588750
ABSTRACT:
A video tape recorder with the function of repetitive playback mainly used for learning purposes detects whether a recordable tape or a playback only tape is used as a master tape when driving independently two video tapes with tape ends to be used as a slave tape and a master tape, respectively. When it is detected that a recordable tape is used, at first the two tapes are simultaneously driven in a recording condition by manipulating a record button and then a desired range of the slave tape is repeatedly rewound and replayed by pressing and releasing a playback button for a required time period. When it is detected that a playback only tape is used, on the other hand, only the slave tape is driven in a recording condition by a similar manipulation, and while the slave tape is repeatedly rewound and replayed, the master tape playback operation is suspended.
REFERENCES:
patent: 4428001 (1984-01-01), Yamamura et al.
patent: 5025324 (1991-06-01), Hashimoto
patent: 5055937 (1991-10-01), Yamada et al.
Gensler Paul
Hashimoto Corporation
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