Circuit arrangement for unobjectionable switching between TV-cha

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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3581911, H04N 5268

Patent

active

048686603

ABSTRACT:
A TV receiver having circuitry for precluding objectionable display patterns during channel switching includes a frame store for successively storing frames of video signal being displayed. A controlled switch, responsive to the switching signal and a synchronizing component of the displayed signal provides video signal from the currently selected channel to display circuitry except during channel changes, at which time it provides video signal stored in the frame store to the display circuitry.

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patent: 4796089 (1989-01-01), Imai et al.
abstract-"Television Receiver", Kokai 61-111079(A); 5/29/86, inventor S. Omatsu; assignee Sharp Corp.
abstract-"Television Receiver", Kokai 60-75178(A); 4/27/85, inventor-N. Kawaguchi; assignee-Matsushita.
abstract-"Video Switching Device", Kokai 60-42990A; 3/7/85, inventor-Y. Edahiro; assignee-Matsushita.

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