Apparatus and method for forward/reverse slow motion video repro

Details Apparatus and method for forward/reverse slow motion video repro Apparatus and method for forward/reverse slow motion video repro

1982-02-25

1985-01-01

Richardson, Robert L.

Dynamic magnetic information storage or retrieval

Record editing

358312, H04N 5782

Patent

active

044918780

ABSTRACT:
Disclosed is a four-head image reproduction system for performing a slow motion video reproduction in the forward and reverse directions by intermittently repeating stoppage and normal speed operation of a magnetic tape on which images are recorded in accordance with the azimuth technique. In response to a reproduction control signal which has reference pulses of a predetermined polarity generated from a detecting section including a control head, a control section first receives the reference pulse regardless of the forward or reverse slow reproduction mode and then stops a capstan when a period of time corresponding to half the period of the reference pulse elapses. In this condition, the level of a pair of heads for special reproduction mounted on a rotating drum is set to have a predetermined difference from that of a pair of heads for normal recording/reproducing.

REFERENCES:
patent: 4197562 (1980-04-01), Kikuya et al.
patent: 4328518 (1982-05-01), Kawata et al.
Funkschau, Heft 4, 1980--pp. 66-68.

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