KR910021262U - 티브이 방송신호와 텔레텍스트신호 절환시 발생되는 동기신호 손상을 방지하기 위한 회로 - Google Patents

티브이 방송신호와 텔레텍스트신호 절환시 발생되는 동기신호 손상을 방지하기 위한 회로

Info

Publication number
KR910021262U
KR910021262U KR2019900006422U KR900006422U KR910021262U KR 910021262 U KR910021262 U KR 910021262U KR 2019900006422 U KR2019900006422 U KR 2019900006422U KR 900006422 U KR900006422 U KR 900006422U KR 910021262 U KR910021262 U KR 910021262U
Authority
KR
South Korea
Prior art keywords
signal
switching
circuit
prevent damage
teletext
Prior art date
Application number
KR2019900006422U
Other languages
English (en)
Other versions
KR920008836Y1 (ko
Inventor
강용수
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019900006422U priority Critical patent/KR920008836Y1/ko
Publication of KR910021262U publication Critical patent/KR910021262U/ko
Application granted granted Critical
Publication of KR920008836Y1 publication Critical patent/KR920008836Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268—Signal distribution or switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Television Systems (AREA)
KR2019900006422U 1990-05-15 1990-05-15 티브이 방송신호와 텔레텍스트신호 절환시 발생되는 동기신호 손상을 방지하기 위한 회로 KR920008836Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900006422U KR920008836Y1 (ko) 1990-05-15 1990-05-15 티브이 방송신호와 텔레텍스트신호 절환시 발생되는 동기신호 손상을 방지하기 위한 회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900006422U KR920008836Y1 (ko) 1990-05-15 1990-05-15 티브이 방송신호와 텔레텍스트신호 절환시 발생되는 동기신호 손상을 방지하기 위한 회로

Publications (2)

Publication Number Publication Date
KR910021262U true KR910021262U (ko) 1991-12-20
KR920008836Y1 KR920008836Y1 (ko) 1992-12-19

Family

ID=19298752

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900006422U KR920008836Y1 (ko) 1990-05-15 1990-05-15 티브이 방송신호와 텔레텍스트신호 절환시 발생되는 동기신호 손상을 방지하기 위한 회로

Country Status (1)

Country Link
KR (1) KR920008836Y1 (ko)

Also Published As

Publication number Publication date
KR920008836Y1 (ko) 1992-12-19

Similar Documents

Publication Publication Date Title
EP0470579A3 (en) Video signal process circuit
GB2263374B (en) Switching of television broadcast modes
GB2242094B (en) Including break slots in broadcast video signals
SG73368A1 (en) Television sync and phase detector disable circuit
EP0463879A3 (en) Switching video signals
KR910021262U (ko) 티브이 방송신호와 텔레텍스트신호 절환시 발생되는 동기신호 손상을 방지하기 위한 회로
KR920014268U (ko) Pip 기능을 구비한 tv에서의 영상신호 절환 회로
TW296885U (en) Video signal output circuit
KR880010442U (ko) Vcr과 tv의 오디오/비데오 스위칭 회로
KR880022829U (ko) 텔레비죤/텔레텍스트 신호 스위칭 회로
KR920022080U (ko) Vcr에서의 자막신호 안정화 회로
KR930022492U (ko) Tv/av 수상기에서의 프런트 비디오 우선 스위칭 회로
KR940004618U (ko) Tv osd 신호와 캡션 osd 신호의 간섭방지회로
KR950007567U (ko) 텔레비젼/비디오신호절환회로
KR900002034U (ko) Tv 시청시 비디오신호 뮤트회로
KR920020479U (ko) 캡션 내장 tv의 다중신호 스위칭회로
KR880008943U (ko) Tv와 오디오/비디오의 스위치 회로
KR900007705U (ko) Tv/비데오 신호 절환 및 밴드 선택회로
KR940013990U (ko) 비디오모드시 방송신호 간섭방지회로
KR900013772U (ko) 컬러 tv의 영상 순간 뮤트회로
KR920003637U (ko) 비디오 클램핑 및 블래킹 신호 발생회로
KR940018436U (ko) 텔레비젼에서의 오디오 비디오 모드 전환방지 회로
KR920005565U (ko) 고화질 디지탈 tv의 디지탈 신호 처리부 전원안정회로
KR940013972U (ko) Tv의 방송방식 절환회로
KR940004591U (ko) 수평동기신호 안정화 회로

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19971229

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee