Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1986-06-06
1989-05-23
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358183, 358166, H04N 5272
Patent
active
048335380
ABSTRACT:
Disclosed is an image pickup apparatus in which a phase control gradually shifts the phase of an image signal produced from an image pickup relative to the phase of a vertical synchronization signal. An inhibit device is provided to inhibit the portion of the image signal which corresponds to the phase difference relative to the synchronization signal. Thus a special effect of "scrolling" is obtained. A level control is provided to control the signal level of the image signal so that the signal at the input of the inhibit device is maintained at a proper level.
REFERENCES:
patent: 3673324 (1972-06-01), Ito
patent: 4218711 (1980-08-01), Kashigi
Canon Kabushiki Kaisha
Chin Tommy P.
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