Time changing system for VTR

Details Time changing system for VTR Time changing system for VTR

1980-10-28

1983-07-12

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Manual input recording

358346, H04N 578, G11B 1546

Patent

active

043934153

ABSTRACT:
Apparatus for controlling the playback speed of a VTR features an accurate speed control signal. The reproduced signal is resynchronized to a standard speed by repeating or deleting frames when successive frames are substantially identical. In addition, or as an alternative, frame averaging can be used. Provision for real time entry is made to minimize human error. Application of the invention to both quadruplex and helical scan machines is shown.

REFERENCES:
patent: 3571502 (1971-03-01), Law
patent: 3723644 (1973-03-01), Haskell et al.
patent: 3944728 (1976-03-01), Ferrari
patent: 4139867 (1979-02-01), Foerster
patent: 4150397 (1979-04-01), Russell
patent: 4167023 (1979-09-01), Bessette et al.
patent: 4283736 (1981-08-01), Morio et al.
"Television Digest," Sep. 15, 1980, p. 14.

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