Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching
Patent
1979-05-09
1981-06-16
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
General recording or reproducing
Signal switching
360 31, 360 32, G11B 1512, G11B 2736
Patent
active
042741157
ABSTRACT:
An apparatus for detecting the recording and reproducing state of a video tape recorder used in conjunction with a pulse code modulation adapter and including a signal processor for comparing for a predetermined period data from signals transmitted from the pulse code modulation adapter apparatus to the video tape recorder with data from the signals received from the pulse code modulation adapter apparatus from the video tape recorder and detecting whether the video tape recorder is in the recording or reproducing state in dependence upon the result of the data comparison.
REFERENCES:
patent: 3360789 (1967-12-01), Yoshii
patent: 3863265 (1975-01-01), Klumpp
Odagi Kanji
Senoo Takanori
Wada Ryoichi
Canney Vincent P.
Matsushita Electric - Industrial Co., Ltd.
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