KR960001975A - Video input signal switching circuit of multi mode monitor - Google Patents

Video input signal switching circuit of multi mode monitor Download PDF

Info

Publication number
KR960001975A
KR960001975A KR1019940014185A KR19940014185A KR960001975A KR 960001975 A KR960001975 A KR 960001975A KR 1019940014185 A KR1019940014185 A KR 1019940014185A KR 19940014185 A KR19940014185 A KR 19940014185A KR 960001975 A KR960001975 A KR 960001975A
Authority
KR
South Korea
Prior art keywords
signal
bnc
output means
output
input
Prior art date
Application number
KR1019940014185A
Other languages
Korean (ko)
Other versions
KR960012855B1 (en
Inventor
김천호
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940014185A priority Critical patent/KR960012855B1/en
Publication of KR960001975A publication Critical patent/KR960001975A/en
Application granted granted Critical
Publication of KR960012855B1 publication Critical patent/KR960012855B1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/153—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using cathode-ray tubes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/02—Graphics controller able to handle multiple formats, e.g. input or output formats

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Studio Circuits (AREA)
  • Color Television Systems (AREA)

Abstract

본 발명은 다중 모드 모니터의 입력신호를 간단한 희로구성에 의해 변환시켜 기판의 면적을 소형화시키고 원가를 절감시킬 수 있게 한 다중 모드 모니터의 비디오 입력신호 전환회로에 관한 것으로, D-SUB신호가 입력될 때 D-SUB접속부(50)로부터의 R.G.B신호를 프리엠 IC(40)로 출력시키는 제1신호 출력수단(10)과, 출력 단이 상기 제1신호 출력수단(10)의 출력단에 공통 접속되어 BNC신호가 입력될 때 BNC접속부 (60)로 부터의 R.G.B신호를 프리앰프 IC(40)로 출력시키는 제2신호 출력수단(20)과, 상기 제1신호 출력수단(10)과 제2신호 출력수단(20)중 어느 한쪽의 출력만 상기 프리앰프 IC(40)로 출력시키도록 신호를 변환시키는 BNC/D-SUB신호 변환부(30)를 포함하여 이루어진다.The present invention relates to a video input signal switching circuit of a multi-mode monitor in which the input signal of the multi-mode monitor can be converted by a simple white configuration to reduce the area of the board and reduce the cost. The first signal output means 10 for outputting the RGB signal from the D-SUB connecting portion 50 to the pre-em IC 40 and the output terminal are commonly connected to the output terminal of the first signal output means 10. A second signal output means 20 for outputting an RGB signal from the BNC connection 60 to the preamplifier IC 40 when the BNC signal is input, and the first signal output means 10 and the second signal output. And a BNC / D-SUB signal conversion section 30 for converting a signal to output only one output of the means 20 to the preamplifier IC 40.

Description

다중 모드 모니터의 비디오 입력신호 전환회로Video input signal switching circuit of multi mode monitor

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

제2도는 본 발명 다중 모드 모니터의 비디오 입력신호 전환회로도.2 is a video input signal switching circuit diagram of a multi-mode monitor of the present invention.

Claims (2)

D-SUB 신호가 입력될 때 D-SUB 접속부(50)로부터의 R.G.B 신호를 프리앰프 IC(40)로 출력시키는 제1신호 출력수단(10)과, 출력단이 상기 제1신호 출력수단(10)의 출력단에 공통접속되어 BNC 신호가 입력될 때 BNC 접속부(50)로부터의 R.G.B 신호를 프리앰프 IC(40)로 출력시키는 제2신호 출력수단(20)과, 상기 제1신호 출력수단(10)과 제2신호 출력수단(20)중 어느 한쪽의 출력만 상기 프리앰프 IC(40)로 출력시키도록 신호를 변환시키는 BNC/D-SUB 신호 변환부(30)를 포함하여 구성된 것을 특징으로 하는 다중 모드 모니터의 비디오 입력신호 전환회로.First signal output means (10) for outputting the RGB signal from the D-SUB connection portion (50) to the preamplifier IC (40) when the D-SUB signal is input, and an output terminal of the first signal output means (10). Second signal output means 20 and the first signal output means 10 for outputting an RGB signal from the BNC connection portion 50 to the preamplifier IC 40 when the BNC signal is commonly connected to an output terminal of the output terminal. And a BNC / D-SUB signal conversion unit 30 for converting a signal to output only one output of the first and second signal output means 20 to the preamplifier IC 40. Video input signal switching circuit of mode monitor. 제2항에 있어서, 상기 BNC/D-SUB 신호 변환부(30)는 D-SUB 신호 입력시 온되어 상기 제1신호 출력수단(10)으로 충분한 전압을 공급하도록 스위칭시키는 제1트랜지스터(Q1)와, BNC 신호 입력시 온되어 상기 제2신호 출력수단(20)으로 충분한 전압을 공급하도록 스위칭시키는 제2트랜지스터(Q2)와, 출력단이 상기 제1트랜지터(Q1)의 베이스에 접속되어 BNC 신호 입력시 상기 제1트랜지스터(Q1)가 오프되도록 스위칭시키는 제3트랜지스터(Q3)를 포함하여 구성한 것을 특징으로 하는 다중 모드 모니터의 비디오 입력신호 전환회로.The first transistor (Q 1 ) according to claim 2, wherein the BNC / D-SUB signal converter 30 is switched on when the D-SUB signal is input to supply a sufficient voltage to the first signal output means 10. ), A second transistor (Q 2 ) for switching on to supply sufficient voltage to the second signal output means (20) when the BNC signal is input, and an output terminal is connected to the base of the first transistor (Q 1 ). And a third transistor (Q 3 ) for switching the first transistor (Q 1 ) to be turned off when the BNC signal is input. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940014185A 1994-06-22 1994-06-22 Circuit for converting video input signals in multi-mode monitor KR960012855B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940014185A KR960012855B1 (en) 1994-06-22 1994-06-22 Circuit for converting video input signals in multi-mode monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940014185A KR960012855B1 (en) 1994-06-22 1994-06-22 Circuit for converting video input signals in multi-mode monitor

Publications (2)

Publication Number Publication Date
KR960001975A true KR960001975A (en) 1996-01-26
KR960012855B1 KR960012855B1 (en) 1996-09-24

Family

ID=19385870

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940014185A KR960012855B1 (en) 1994-06-22 1994-06-22 Circuit for converting video input signals in multi-mode monitor

Country Status (1)

Country Link
KR (1) KR960012855B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100462598B1 (en) 2002-02-20 2004-12-20 삼성전자주식회사 Wireless LAN card having function of access point and network Printer having the same and Method for transmitting data using the printer

Also Published As

Publication number Publication date
KR960012855B1 (en) 1996-09-24

Similar Documents

Publication Publication Date Title
KR970017152A (en) LCD driving circuit
KR860008673A (en) Interlacing-Interlacing Inverter
KR940012849A (en) Stress Mode Circuits for Integrated Circuits with On-Chip Dropout Converters
KR860001482A (en) IC device
KR920015364A (en) Output buffer circuit
KR970063275A (en) Semiconductor Integrated Circuits and Circuit Devices Using the Same
KR960001975A (en) Video input signal switching circuit of multi mode monitor
KR910019461A (en) Color tv receiver
KR950015275A (en) Component Type Small BC
KR970009279A (en) Halftone OSD Text Brightness Control Device
BG99023A (en) Circuit for overlaying small, energy-poor and large considerably more energy-rich signals
KR950025553A (en) Portable Audio Switching Device
KR950025692A (en) Video Mute Circuit on Monitor
KR970017115A (en) Image input processing circuit and processing method of monitor
KR960039855A (en) Automatic Video Audio Input / Output Terminal of Camcorder
KR900005902Y1 (en) Ig gray image signal outputing circuit of monitor
KR960016391A (en) Flyback transformer
KR970049206A (en) DC level shift circuit
KR850005927A (en) Circuit for converting R.G.B colors to black and white
JP2002262129A (en) Video input output circuit
KR20000012380U (en) DC / DC converter circuit of liquid crystal display device
KR940013243A (en) Digital color conversion circuit
KR960006511A (en) Interface module circuit of A / V system
KR970057362A (en) NTSC / PAL system controller
KR960016472A (en) TV receiver with mode switching

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19990831

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee