Magnetic tape editing, previewing and animating method and syste

Details Magnetic tape editing, previewing and animating method and syste Magnetic tape editing, previewing and animating method and syste

1975-03-12

1977-01-04

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Record editing

360 72, 360 74, 360 91, G11B 2708, G11B 2714, H04N 578

Patent

active

040018822

ABSTRACT:
In editing magnetic tape, in particular video tape, improvement in the editing taught by U.S. Pat. No. 3,787,617 is achieved by arresting the respective tapes on the edit tape deck and the source tape deck precisely at the "edit" point by observation on a monitor. The deck motors are started in reverse and the tape-feed rollers are allowed to achieve full speed; the two tapes are then engaged with the reversely-moving rollers and are driven in reverse for a precise period to establish a "pre-edit" start point. When edit is to begin, the drive motors of the respective tape decks are started to drive forward; after the rollers are up to full speed the feed rollers are engaged with the tape to drive the same forward for the precise time period corresponding to the time period of reverse drive; and thereupon the system operates to either edit at the edit point or to preview a proposed edit at the edit point.

REFERENCES:
patent: 3230307 (1966-01-01), Bounsall
patent: 3364306 (1968-01-01), Brown
patent: 3463877 (1969-08-01), Crum
patent: 3646260 (1972-02-01), Bolger
patent: 3647951 (1972-03-01), Rose, Jr.
patent: 3655910 (1972-04-01), Wada et al.
patent: 3787617 (1974-01-01), Fiori

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