KR960039896A

KR960039896A - TV reception sensitivity display

Info

Publication number: KR960039896A
Application number: KR1019950010451A
Authority: KR
Inventors: 박경동
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-04-29
Filing date: 1995-04-29
Publication date: 1996-11-25

Abstract

본 발명은 텔레비전의 수신감도 표시장치에 관한 것으로, 안테나에 유기되는 몇 개의 고주파 신호 중에서 수신하려는 채널의 고주파 신호를 튜너에서 선택하여 영상검파회로에서 휘도신호를 분리하고, 제1영상증폭회로에서 증폭된 영상신호를 영상 레벨 검출기(45)에서 검출하여 마이컴(60)에 설정되어 있는 정상 신호시의 레벨과 비교하여 수신감도 신호를 화면에 OSD로 출력하고, 또한 텔레비전의 조정관에 설치되어 있는 표시부(65)의 수신감도 표시램프를 점등함으로써, 안테나 설치시에는 화면에 표시된 OSD 출력으로 수신감도를 확인하고, 텔레비전의 조정관에 설치되어 있는 수신감도 표시램프가 점등되었을 경우는 비바람등으로 인한 영향으로 안테나가 움직여 수신감도가 나빠졌음을 시청자에게 알려주는 효과가 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reception sensitivity display apparatus of a television, wherein a high frequency signal of a channel to be received is selected by a tuner from several high frequency signals induced by an antenna, and a luminance signal is separated from an image detection circuit, and amplified by a first image amplifier circuit. The display unit detects the received video signal by the video level detector 45 and outputs the received sensitivity signal to the screen by OSD in comparison with the level at the normal signal set in the microcomputer 60, By turning on the reception sensitivity indicator of 65), the reception sensitivity can be checked by the OSD output displayed on the screen when the antenna is installed, and when the reception sensitivity indicator lamp installed in the control tube of the television is turned on, the antenna may be affected by rain or rain. Has an effect of informing the viewer that the reception sensitivity has deteriorated.

Description

TV reception sensitivity display

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 일반적인 텔레비전의 구조를 개략적으로 도시한 블럭선도, 제2도의 (가)는 본 발명에 따른 텔레비전의 수신감도 표시장치의 개략적인 블럭선도, (나)는 화면에 표시되는 OSD 출력을 표시한 예시도이다.1 is a block diagram schematically showing the structure of a general television, (a) is a schematic block diagram of a reception sensitivity display apparatus of a television according to the present invention, and (b) displays an OSD output displayed on a screen. This is an example.

Claims

In a television that receives a VHF or UHF radio wave emitted from a transmitting side as a receiving antenna, classifies it into a video signal, a synchronization signal, and an audio signal, and applies this signal to a speaker and a CRT to reproduce video and audio. An image level detector (45) for detecting the level of the amplified video signal; A microcomputer 60 that receives an image signal detected by the image level detector 45 and compares it with a preset value and outputs a control signal; And a display unit (65) for displaying a reception sensitivity according to the control signal of the microcomputer (60).

The reception sensitivity display apparatus according to claim 1, wherein the microcomputer (60) displays reception sensitivity on the screen as an OSD output.

※ Note: The disclosure is based on the initial application.