KR970059903A

KR970059903A - Monitor locking device and method by microcom

Info

Publication number: KR970059903A
Application number: KR1019960000809A
Authority: KR
Inventors: 여종현
Original assignee: 김광호; 삼성전자 주식회사
Priority date: 1996-01-17
Filing date: 1996-01-17
Publication date: 1997-08-12

Abstract

본 발명은 모니터 잠금장치에 관한 것으로, 영상신호 및 동기 신호를 발생시키는 영상처리부(10)와, 상기 영상 처리부(10)에서 출력되는 영상신호 및 동기 신호를 중폭시키는 제1 및 제2영상 중폭부(20,25)와, 상기 제2영상 중폭부(25)로부터 영상신호를 받아 영상신호를 출력하는 영상신호 구동부(30)와, 상기 영상신호 구동부(30)로부터 영상신호를 받아 영상을 표시하는 모니터(40)과, 영상 뮤트 제어신호를 받아 제1영상 중폭부(20)로 콘트라스트(contrast)신호를 출력하는 이득 조절부(50)와, 제어신호를 받아 아이콘(icon)신호를 상기 제2영상 중폭부(25)로 출력하는 온 스크린 표시부(70)와, 상기 이득 조절부(50)로 영상 뮤트 제어신호를 출력하여 상기 제1영상 중폭부(20)의 영상신호의 콘트라스트를 조정하여 영상을 뮤트시키고, 온 스키린 표시부(70)를 제어하여 모니터(40)에 아이콘을 표시하고, 수평 및 수직 동기신호를 출력하는 제어부(60)와, 상기 제어부(60)에서 수평 및 수직 동기신호를 받아 상기 모니터(40)으로 출력하는 수평/수직 구동부(80)와, 상기 제어부(60)에서 상기 이득조절부(50)로 출력되는 영상 뮤트 제어신호를 받아 상기 이득조절부(50)에서 상기 제1영상 중폭부(20)로 출력되는 콘트라스트 이득 신호를 접지에 연결하는 영상뮤트 스위치(SW)와, 상기 제어부로 명령 및 데이타를 입력시키는 키 입력부(90)로 구성된다.The present invention relates to a monitor locking device, and more particularly, to a monitor locking device that includes a video processor 10 for generating a video signal and a sync signal, a first and a second video modulator for modulating a video signal and a sync signal output from the video processor 10, A video signal driver 30 for receiving a video signal from the second video wobbler 25 and outputting a video signal to the video signal driver 30, A monitor 40, a gain control unit 50 for receiving a video mute control signal and outputting a contrast signal to the first image wobbling unit 20, And an image mute control unit for outputting an image mute control signal to the gain control unit 50 to adjust the contrast of the video signal of the first video widening unit 20, And controls the on-screen display unit 70 so that the A controller 60 for displaying an icon on the display unit 40 and outputting horizontal and vertical synchronizing signals and a horizontal and vertical driving unit for receiving the horizontal and vertical synchronizing signals from the controller 60 and outputting the signals to the monitor 40 And a controller 70 for receiving an image mute control signal output from the controller 60 to the gain controller 50 and outputting a contrast gain signal output from the gain controller 50 to the first image synthesizer 20 An image mute switch SW connected to the ground, and a key input unit 90 for inputting commands and data to the control unit.

Description

Monitor locking device and method by microcom

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제 1도는 본 발명에 의한 모니터 잠금장치의 구성을 보이는 블록도이다.FIG. 1 is a block diagram showing a configuration of a monitor locking device according to the present invention.

제 2도는 본 발명에 의한 모니터 잠금장치를 제어하는 방법을 보이는 플로우 차트이다.FIG. 2 is a flowchart illustrating a method of controlling a monitor lock device according to the present invention.

Claims

A monitor lock apparatus comprising: an image processing unit (10) for generating a video signal and a synchronization signal; a first and a second video amplifying unit (20, 25) for amplifying a video signal and a synchronization signal output from the video processing unit A video signal driver 30 for receiving a video signal from the second video wobbler 25 and outputting a video signal, a monitor 40 for receiving a video signal from the video signal driver 30, A gain control unit 50 for receiving a video mute control signal and outputting a contrast signal to the first image wobbling unit 20, And an output unit for outputting an image mute control signal to the gain adjusting unit to adjust the contrast of the image signal of the first image widening unit to mute the image, The on-screen display unit 70 is controlled so that an icon A horizontal / vertical driving unit 80 for receiving the horizontal and vertical synchronizing signals from the controller 60 and outputting the signals to the monitor 40, (20) of the gain control unit (50) in response to an image mute control signal output to the gain control unit (50) from the image mute control unit (60) A switch SW, and a key input unit 90 for inputting commands and data to the control unit.

2. The apparatus according to claim 1, wherein the control unit (60) turns off the image mute switch (SW) when the password inputted from the key input unit (90) And if it does not match, the image mute switch (SW) is turned on to prevent the image from passing through the first video camera.

※ Note: It is disclosed by the contents of the first application.