KR960028296A - TV receiver with previous screen navigation - Google Patents

Abstract

The present invention relates to a television receiver having a previous screen search function, wherein a memory in which a storage area is divided in units of screens, screen information of an A channel is written into a predetermined address of a memory every predetermined time, and a previous screen search mode is set. A control unit for controlling the previous screen information written in the memory to be read out, a first selecting unit selectively outputting previous screen information output from the control unit and screen information of the B channel according to the set mode, and a first selecting unit outputting from the first selecting unit PIP sub-screen signal processing unit for processing the previous screen information or screen information of the B channel to the code plane, a mixing unit for mixing the screen information of the channel A and the sub-screen information output from the PIP sub-screen signal processing unit, and the set mode Therefore, the second selection unit selectively outputs the screen information of the A channel or the screen information output from the mixing unit. Therefore, there is an effect that can easily navigate to the previous screen.

Description

TV receiver with previous screen navigation

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

1 is a block diagram according to an embodiment of a television receiver having a previous screen search function according to the present invention.

Claims (3)

In a television receiver having a PIP function of inputting image information of a plurality of channels, the user selects a main screen and a sub-screen, and divides and displays the screen so that the sub-screen occupies a predetermined area within the area occupied by the main screen. Area-separated memory; A command input unit for inputting commands for a PIP mode, a normal mode, and a previous screen search mode; A controller for writing the screen information of the currently tuned A channel into a predetermined address of the memory every predetermined time, and controlling to read out previous screen information written into the memory when a previous screen search mode is set by the command input unit; A first selector for selectively outputting previous screen information output from the controller and screen information of a B channel according to a mode set by the command input unit; A PIP sub-screen signal processing unit for processing the previous screen information or the B channel screen information output from the first selection unit as a sub-screen; A mixing unit for mixing the screen information of the A channel and the sub picture information output from the PIP sub picture signal processing unit; And a second selection unit for selectively outputting the screen information of the A channel or the screen information output from the mixing unit according to the mode set in the command input unit. The display apparatus of claim 1, wherein the first selector outputs screen information of the B channel when the PIP mode is set through the command input unit, and outputs previous screen information output by the controller when a previous screen search mode is set. A television receiver having a previous screen search function, characterized in that. 2. The display apparatus of claim 1, wherein the second selector outputs PIP screen information output from the mixing unit when the PIP mode is set through the command input unit, and outputs screen information of the A channel when the normal mode is set. A television receiver having a previous screen search function. ※ Note: The disclosure is based on the initial application.