KR970009290A - Main screen designation control device of multi-screen TV and its method - Google Patents

Abstract

The present invention provides a screen recognition character for a plurality of sub-screens reproduced on a main screen in a television having a PIP function, so that switching to the main screen can be made by selecting a predetermined screen recognition character. Provides main screen designation control device.

Accordingly, in the present invention, the video signal according to the main screen is processed through the main video signal processing module 16 during video broadcasting of multiple channels tuned through the plurality of tuners 8, and the video signal according to the sub-screen is In a multi-screen function television, which is subjected to video signal processing by a plurality of sub-picture processing units 20A to 20C, respectively, and reproduced as a sub-screen on a CRT 26 screen; A function setting unit (2) for key setting switching to the main screen through designation of screen recognition characters, and control to display a plurality of screen recognition characters for a plurality of sub-screens on the CRT 26 screen, Through a plurality of tuners (8) under the control of the microcomputer (6), the microcomputer 6 for controlling the sub-screen corresponding to the screen recognition character designated by the function setting unit (2) to play the video as the main screen A mode switching unit 14 for switching a main / sub picture switching mode for a plurality of synchronized video signals, and character information for OSD display of screen recognition characters displayed on the sub screen controlled by the microcomputer 6; And a PIP switching unit 24 for switching the video reproduction state of the video signal according to the main / sub picture on the CRT 26 under the control of the microcomputer 6. Become; Displaying a plurality of screen recognition characters on a plurality of sub-screens on the CRT 26 so that when a predetermined screen recognition character is designated, a sub-screen corresponding to the screen recognition character is played back as a main screen. Characterized in that provided with.

Description

Main screen designation control device and method of a multi-screen television.

Since this is an open matter, no full text was included.

FIG. 1 is a block diagram showing a main screen designation control apparatus for a multi-screen function television according to the present invention. FIG. 2 is a diagram showing an example of the configuration of a function key installed in the function setting section shown in FIG. Fig. 1 is a block diagram showing details of the configuration of the sub-image processing unit shown in Fig. 1;

Claims (4)

The video signal according to the main screen is processed through the main video signal processing module 16 during video broadcasting of multiple channels tuned through the plurality of tuners 8 and 10, and the video signal according to the sub-screen is divided into a plurality of sub-screens. In a multi-screen function television, which is subjected to image signal processing by the image processing units 20A to 20C, respectively, and reproduced as a sub-screen on the CRT 26 screen; A function setting unit (2) for key setting switching to the main screen through designation of screen recognition characters, and control to display a plurality of screen recognition characters for a plurality of sub-screens on the CRT 26 screen, Through a plurality of tuners (8) under the control of the microcomputer (6), the microcomputer 6 for controlling the sub-screen corresponding to the screen recognition character designated by the function setting unit (2) to play the video as the main screen A mode switching unit 14 for switching a main / sub picture switching mode for a plurality of synchronized video signals, and character information for OSD display of screen recognition characters displayed on the sub screen controlled by the microcomputer 6; And a PIP switching unit 24 for switching the video reproduction state of the video signal according to the main / sub picture on the CRT 26 under the control of the microcomputer 6, and generating an OSD signal processing unit 22 for generating a? Multi-screen feature teller Specify the main screen controls vision. The multi-screen TV according to claim 1, wherein the screen recognition characters displayed on the OSD on the plurality of sub-screens of the CRT 26 by the signal processing operation of the OSD signal processing unit 22 correspond to Arabic numerals. Main screen designation control device. During television broadcasting of multiple channels tuned through the plurality of tuners 8 and 10, the video signal according to the main screen is processed through the main video signal processing module 16, and the other video signals are displayed on the sub-screen. In a multi-screen function television in which image signals are processed by the image processing units 20A to 20C, respectively, and reproduced as sub-screens on the screen of the CRT 26, a plurality of screens are recognized for a plurality of sub-screens on the CRT 26, respectively. And displaying a character so that, when a predetermined screen recognition character is specified, a sub-screen corresponding to the screen recognition character is reproduced as a main screen. Way. 4. The method according to claim 3, wherein the screen recognition characters displayed on the plurality of sub-screens of the CRT (26) in the step correspond to Arabic numerals. ※ Note: The disclosure is based on the initial application.