Video tape recording apparatus with time base correction

Details Video tape recording apparatus with time base correction Video tape recording apparatus with time base correction

1981-11-09

1984-10-02

McElheny, Jr., Donald E.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

H04N 592

Patent

active

044751338

ABSTRACT:
A video tape recording apparatus using an Hadamard transformation system for recording and reproducing a video signal is disclosed. Facilities are provided for distributing the video signal to a plurality of channels, recording and reproducing the distributed video signals with a plurality of magnetic heads, generating a window pulse from a time-base correction signal obtained by separating a horizontal synchronizing signal from the video signal, means for discriminating phase coincidence of the window pulse and a sampling signal of one phase for transformation, detecting a time-base correction signal by the phase coincidence signal immediately after extinction thereof, and generating a sampling signal of a proper phase as an inverse transformation signal on the basis of the time-base correction signal.

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patent: 4393418 (1983-07-01), Kimura

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