Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Patent
1990-09-26
1993-03-02
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
General recording or reproducing
Recording-or erasing-prevention
360 15, 360 13, G11B 1504, G11B 586, G11B 2702
Patent
active
051914883
ABSTRACT:
An audio visual apparatus of the invention has a standard cassette tape (T-2) having record-prevention tabs and an endless video cassette tape (T-1). When the cassettes are installed in two VCR units, respectively and a power switch is turned on, the T-1 and T-2 tapes are set to a recording mode and start recording a TV program. When a remote control button is pressed once, the T-2 tape continues recording while the T-1 tape is set to a playback mode in which video information from a TV is allowed to be monitored endlessly. When the remote control button is pressed once again, the T-1 tape is brought back to the recording mode. A series of the actions can be repeated. On the other hand, when an already recorded cassette tape with tape ends not having record-prevention tabs is installed as a T-2 tape, the T-2 tape is set to a playback mode while a T-1 tape is set to a recording mode, simultaneously while a power switch is turned on so that the T-1 tape records the video information of the T-2 tape. When a remote control button is pressed once, the T-1 tape is set to an endless playback mode while the T-2 tape stops its playback to thereby allow said T-1 tape to be played back endlessly on the TV screen for purposes of repeated learning. When the remote control button is pressed once again after the learning has been completed, the T-2 tape continues its automatic playback while the T-1 tape records the video information of the T-2 tape endlessly. A series of the actions can be repeated according to manipulation of the remote control button.
REFERENCES:
patent: 4618895 (1986-10-01), Wright
Hashimoto Corporation
Kim Won Tae C.
Psitos Aristotelis
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