Dynamic magnetic information storage or retrieval – Record editing
Patent
1979-03-26
1981-06-09
Konick, Bernard
Dynamic magnetic information storage or retrieval
Record editing
360 10, 360 73, H04N 578, G11B 1546
Patent
active
042727901
ABSTRACT:
A modular expandable, microprocessor controlled, editing control system is provided for on-line or off-line editing of a cassette or open-reel helical scan-type video tape recorder, or the like. Tape-to-tape editing is carried out by transferring selected video information from a "source" video tape recorder (VTR) to a "record" video tape recorder (VTR). The system includes microprocessor controlled solid state electronic control circuitry for the source and record video tape recorders, with a manually operated joystick which permits forward and reverse motion of the tapes in the recorders for the precise selection of the edit frames. The system is designed to control one source video tape recorder and one record video tape recorder, in its basic configuration, using standard control track pulses for edit cycle accuracy. The system, however, may be expanded by plugging in modules and replacing front panel components so as to provide more complex edit control systems capable of controlling multiple video tape recorder sources, as well as alternate sources, special effects, interactive cathode-ray tube displays, multiple edit point storage, decision list print-outs, and so on.
REFERENCES:
patent: 3721757 (1973-03-01), Ettlinger
patent: 3914551 (1975-10-01), Hunt
patent: 3950735 (1976-04-01), Patel
patent: 3959818 (1976-05-01), Iketaki
patent: 3978521 (1976-08-01), Longer
patent: 4040098 (1977-08-01), Beeson
patent: 4100607 (1978-07-01), Skinner
"Microprocessors", by Toong; Sci. Am., Sep. 1977, p. 146.
"An Automatic Videotape Editing/Splicing System Using A Process Computer", by Fujimura et al., Journal of SMPTE, Mar. 1967, p. 169.
Beecher Keith D.
Convergence Corporation
Faber Alan
Konick Bernard
LandOfFree
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