Dynamic magnetic information storage or retrieval – Record editing
Patent
1976-03-15
1977-08-02
Cardillo, Jr., Raymond F.
Dynamic magnetic information storage or retrieval
Record editing
358127, 360 10, H04N 5785
Patent
active
040400980
ABSTRACT:
An 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 may be carried out by transferring selected video information from a "playback" video tape recorder to a "record" video tape recorder, whereas camera-to-tape editing may be carried out by transferring selected video information directly from a video camera to the record video tape recorder. The system to be described includes a solid state electronic control for the playback and record video tape recorders, with manually operated joysticks which permit forward and reverse motion of the tapes in the recorders for the precise selection of the edit frames. A feature of the system is that the video information passes directly to the record video tape recorder, and not through the control system itself, so that there is no need to provide complex wideband signal channels through the control system. Also, a single monitor is automatically controlled to monitor both the record and playback video tape recorders during the operation of the control system.
REFERENCES:
patent: 3095473 (1963-06-01), Roizen
patent: 3427398 (1969-02-01), Hemmerling et al.
patent: 3646260 (1972-02-01), Bolger
patent: 3787617 (1974-01-01), Fiori
patent: 3869209 (1975-03-01), Yamagishi et al.
O'Donnell et al., Modifications to Videotape Recording Equipment to Provide an Improved Method of Editing 1/2 inch Recordings, J. of S.M.P.T.E., vol. 82, 7/73, pp. 554-557.
Performance Specifications DV-200 Video Tape Recorder, 11/63.
Shimada, et al., Automated Video Tape Editing System, Toshiba Review, No. 16, Oct. 71, pp. 5-10.
Beeson Gary H.
Skinner William D.
Beecher Keith D.
Cardillo, Jr. Raymond F.
Convergence Corporation
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