Method for multi-screen operation in a picture-in-picture system

Details Method for multi-screen operation in a picture-in-picture system Method for multi-screen operation in a picture-in-picture system

1989-11-21

1991-09-03

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358183, H04N 550, H04N 545

Patent

active

050459465

ABSTRACT:
There is provided throughout this paper a method for performing multi-screen in a PIP (picture-in-picture) system having a luminance/color (Y/C) unit 14 for generating a main screen; a PIP unit 11 for generating a sub-screen; a microcomputer 10 for controlling the entire system; an input and output selector 12, 13 for selecting the image signals under the control of the microcomputer 10; a pre-amplifier 17 for providing the remote control signal in a properly amplified signal with the microcomputer 10; a first and second tuner 15, 16 for tuning desired channels; a on-screen-display (OSD) 18 for display a plurality of skip channel number thereonto; and a mixer 19 for mixing the PIP screen with the OSD screen to display on a same screen. The method allows a user to be able to configure a desired picture-in-picture screen with each designated screen number on the picture-in-picture screen by the use of a technique of the skip channel OSD.

REFERENCES:
patent: 4897727 (1990-01-01), Richards
patent: 4918531 (1990-04-01), Johnson
patent: 4959719 (1990-09-01), Strubbe et al.
patent: 4959720 (1990-09-01), Duffield et al.
patent: 4996597 (1991-02-01), Duffield

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