KR880013402A - 화상 표시장치 - Google Patents

화상 표시장치 Download PDF

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Publication number
KR880013402A
KR880013402A KR1019880004178A KR880004178A KR880013402A KR 880013402 A KR880013402 A KR 880013402A KR 1019880004178 A KR1019880004178 A KR 1019880004178A KR 880004178 A KR880004178 A KR 880004178A KR 880013402 A KR880013402 A KR 880013402A
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South Korea
Prior art keywords
signal
circuit
output
frequency
input
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KR1019880004178A
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KR960010485B1 (ko
Inventor
에리히 크라우스 우베
Original Assignee
이반 밀러 레르너
엔.브이.필립스 글로아이람펜파브리캔
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Publication of KR880013402A publication Critical patent/KR880013402A/ko
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Publication of KR960010485B1 publication Critical patent/KR960010485B1/ko
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0105—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level using a storage device with different write and read speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/06—Generation of synchronising signals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S348/00—Television
    • Y10S348/91—Flicker reduction

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
  • Television Systems (AREA)

Abstract

내용 없음

Description

화상 표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 동기 신호변환회로가 제공된 필드 숫자 변환회로를 포함한 화상 표시장치의 실시예를 블럭 다이어그램을 이용하여 도시한 도면, 제2도는 본 발명의 상기 실시예를 따른 제1도의 동기신호변환회로의 제2수직 동기신호 (V2)에서 출력회로를 블럭 다이어그램을 이용하여 도시한 도면

Claims (4)

  1. 제1필드 주파수를 가진 제1텔레비젼 신호를 제2필드 주파수를 가진 제2텔레비젼 신호로 변환시키는 필드 숫자 변환회로와, 상기 제1텔레비젼 신호의 제1수평 및 수직 동기신호로부터 상기 제2텔레비젼 신호의 제2수평 및 수직동기신호를 유도하는 동기 신호변환회로와, 제1수평 동기신호(H1)의 배수이고, 상기 제1수평 동기신호에 위상 고정된 주파수에서 신호를 발생시키는 발진기를 포함한 위상 고정된 루프와, 제2수평 동기신호(H2)는 상기 발진기의 출력신호로부터 유도되며, 제2수직 동기신호(V2)는 제1수직 동기신호(V1)로부터 유도되는 수단에 의한 주파수 분할기회로와, 상기 회로는 상기 발진기의 출력에 연결된 입력을 가지는 것을 포함하는 화상 표시장치에 있어서,상기 주파수 분할기회로는 제어가능한 계수기회로인 것을 특징으로 하는 화상 표시장치와, 또한 상기 화상표시장치는, 제1수직 동기신호(V1)를 인가하기 위한 소거 신호입력과, 발진기의출력에 연결된 클럭 신호 입력을 가진 계수기와, 계수기와 출력 결합부에 연결된 입력 결합부와, 제1수직 동기 신호(V1)를 인가하기 위한 클력신호입력과, 제어가능한 계수기 회로의 입력 결합부에 연결된 출력 결합부를 가진 기억회로와, 제1수직 동기신호(V1)를 인가하기 위한 입력과, 제어가능한 계수기 회로의 출력에 연결된 입력을 가진 출력회로와, 제2수직 동기신호(V2)는 출력회로의 출력으로부터 얻어지는 것을 포함하는 것을 특징으로 하는 화상 표시장치.
  2. 제1항에 있어서, 제어가능한 계수기 회로의 출력은 상기 계수기 회로의 제로 위치신호출력인 것을 특징으로 하는 화상 표시장치.
  3. 제1항 또는 제2항에 있어서, 제2필드 주파수가 제1필드 주파수의 2배인 것을 특징으로 하는 화상 표시장치.
  4. 제3항에 있어서, 발진기의 주파수가 제1수평 동기 주파수(H1)의 4배인 것을 특징으로 하는 화상 표시장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880004178A 1987-04-16 1988-04-13 화상 표시 장치 Expired - Fee Related KR960010485B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8700903 1987-04-16
NL8700903A NL8700903A (nl) 1987-04-16 1987-04-16 Beeldweergeefinrichting met een rastertalomzetter.

Publications (2)

Publication Number Publication Date
KR880013402A true KR880013402A (ko) 1988-11-30
KR960010485B1 KR960010485B1 (ko) 1996-08-01

Family

ID=19849869

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880004178A Expired - Fee Related KR960010485B1 (ko) 1987-04-16 1988-04-13 화상 표시 장치

Country Status (8)

Country Link
US (1) US4851907A (ko)
EP (1) EP0287168B1 (ko)
JP (1) JP2790282B2 (ko)
KR (1) KR960010485B1 (ko)
DE (1) DE3874793T2 (ko)
ES (1) ES2035240T3 (ko)
FI (1) FI84546C (ko)
NL (1) NL8700903A (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02135995A (ja) * 1988-11-17 1990-05-24 Sony Corp テレビジョン受像機
DE3940811A1 (de) * 1989-12-09 1991-06-13 Thomson Brandt Gmbh Schaltung zur steuerung eines bildsignalspeichers
FR2750279B1 (fr) * 1996-06-19 1998-08-07 Thomson Multimedia Sa Procede et dispositif de modification de la frequence-trame d'un signal de television
EP1592245A1 (en) * 2004-04-27 2005-11-02 Matsushita Electric Industrial Co., Ltd. Adaptive generation of synchronization signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806644A (en) * 1973-02-23 1974-04-23 Bell Telephone Labor Inc Video format converter
US4047204A (en) * 1974-12-20 1977-09-06 American Optical Corporation Variable interlace display
DE2915359A1 (de) * 1979-04-14 1980-10-16 Standard Elektrik Lorenz Ag Fernsehempfaenger
AU560269B2 (en) * 1982-09-22 1987-04-02 Philips Electronics N.V. Field number conversion
JPS60100887A (ja) * 1983-11-07 1985-06-04 Sony Corp テレビジヨン受像機
US4680632A (en) * 1985-07-31 1987-07-14 Rca Corporation Television display system with flicker reduction processor having burst locked clock and skew correction
US4760455A (en) * 1985-11-29 1988-07-26 Canon Kabushiki Kaisha Picture output device

Also Published As

Publication number Publication date
FI84546B (fi) 1991-08-30
US4851907A (en) 1989-07-25
FI84546C (fi) 1991-12-10
DE3874793T2 (de) 1993-04-08
KR960010485B1 (ko) 1996-08-01
NL8700903A (nl) 1988-11-16
EP0287168A1 (en) 1988-10-19
FI881710A7 (fi) 1988-10-17
ES2035240T3 (es) 1993-04-16
JPS63280587A (ja) 1988-11-17
FI881710A0 (fi) 1988-04-13
EP0287168B1 (en) 1992-09-23
JP2790282B2 (ja) 1998-08-27
DE3874793D1 (de) 1992-10-29

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