Dynamic magnetic information storage or retrieval – Record editing
Patent
1982-10-19
1985-03-26
Richardson, Robert L.
Dynamic magnetic information storage or retrieval
Record editing
360 744, G11B 2700
Patent
active
045076910
ABSTRACT:
An editing control apparatus for use with first and second video tape recording and/or reproducing apparatuses, each employing a video tape having time code signals and control signals recorded thereon and which is advanced at a predetermined forward speed for recording and reproducing a video signal thereon, comprises first and second time code readers for reading the time code signals on the video tapes, first and second control signal readers for reading the control signals on the video tapes, and a control unit for controlling the video tape recording and/or reproducing apparatuses in response to the time code signals and the control signals to position the video tapes at respective preroll points by rewinding each of the video tapes at a first speed substantially greater than the predetermined forward speed to first predetermined points, and thereafter rewinding the respective video tapes at a second speed substantially less than the forward speed to the respective preroll points.
REFERENCES:
patent: 3636252 (1972-01-01), Kowal
patent: 4394694 (1983-07-01), Ninomiya et al.
Ishiguro Mamoru
Matsuyama Atsuo
Yamamura Kazumasa
Eslinger Lewis H.
Richardson Robert L.
Sinderbrand Alvin
Sony Corporation
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