Processing circuit for television sync signals produced from a r

Details Processing circuit for television sync signals produced from a r Processing circuit for television sync signals produced from a r

1985-08-19

1987-06-23

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Record editing

360 351, 307234, 358312, 358342, H04N 578

Patent

active

046757511

ABSTRACT:
A television synchronization signal processing circuit includes a reproduction/demodulation circuit for reproducing a video signal by repeatedly reading out a video signal for one field from a video signal recording medium, generating the reproduced video signal and a synchronization signal separated from the reproduced video signal, a first delay circuit for delaying the reproduced video signal read out for every other field from the reproduction/demodulation circuit by one half a period of the horizontal synchronization signal, signal transmitting circuit for transmitting a vertical synchronization signal included in the separated synchronization signal from the reproduction/demodulation circuit, and waveform synthesis circuit for synthesizing output signals from the first delay circuit and signal transmitting circuit to produce a composite video signal used for effecting video display. The signal transmitting circuit includes a second display circuit for delaying the vertical synchronization signal by a predetermined period of time shorter than one half the period of the horizontal synchronization signal.

REFERENCES:
patent: 3947870 (1976-03-01), Yumde et al.
patent: 4027333 (1977-05-01), Kaisu et al.
patent: 4058840 (1977-11-01), Kasprzak
patent: 4153917 (1979-05-01), Catano et al.
patent: 4330791 (1982-05-01), Ohara et al.
The Electronic Still Camera a New Concept in Photography, Kihara, Nakamura, Sati & Kambara; IEEE; pp. 325-331, 1982.

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