Video signal processing device

Details Video signal processing device Video signal processing device

1988-01-07

1989-10-17

Shepperd, John W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 14, 358 41, 358 44, H04N 907, H04N 981, H04N 1110

Patent

active

048751057

ABSTRACT:
A video signal processing device comprises a pulse generating circuit arranged to produce reading pulses for a given first period of time within one horizontal scanning period and to be in repose for the remaining second period of time; a signal processing circuit arranged to introduce a video signal read out from an image sensor according to the reading pulses and to form first and second video signals; a memory arranged to store the second video signal; and a change-over circuit for producing the first video signal from the signal processing circuit during the first period and the second video signal from the memory during the second period.

REFERENCES:
patent: 3781463 (1973-12-01), Van den Bussche
patent: 4245235 (1981-01-01), Poetsch
patent: 4246598 (1981-01-01), Bock et al.
patent: 4345269 (1982-08-01), Takemura
patent: 4415937 (1983-11-01), Nishizawa et al.
patent: 4559554 (1985-12-01), Nitta
patent: 4630131 (1986-12-01), Ichinoi et al.
patent: 4641201 (1987-02-01), Ichinoi et al.

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