FR2753327B1 - Circuit de traitement de signaux de synchronisation verticale comprenant un circuit de detection de polarite - Google Patents

Circuit de traitement de signaux de synchronisation verticale comprenant un circuit de detection de polarite

Info

Publication number
FR2753327B1
FR2753327B1 FR9611220A FR9611220A FR2753327B1 FR 2753327 B1 FR2753327 B1 FR 2753327B1 FR 9611220 A FR9611220 A FR 9611220A FR 9611220 A FR9611220 A FR 9611220A FR 2753327 B1 FR2753327 B1 FR 2753327B1
Authority
FR
France
Prior art keywords
signal processing
synchronization signal
vertical synchronization
polarity detection
detection circuit
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9611220A
Other languages
English (en)
Other versions
FR2753327A1 (fr
Inventor
Eric Cirot
Nicolas Lebouleux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics SA
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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Priority to FR9611220A priority Critical patent/FR2753327B1/fr
Priority to US08/922,498 priority patent/US5977802A/en
Publication of FR2753327A1 publication Critical patent/FR2753327A1/fr
Application granted granted Critical
Publication of FR2753327B1 publication Critical patent/FR2753327B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • H04N5/10—Separation of line synchronising signal from frame synchronising signal or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
FR9611220A 1996-09-09 1996-09-09 Circuit de traitement de signaux de synchronisation verticale comprenant un circuit de detection de polarite Expired - Fee Related FR2753327B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9611220A FR2753327B1 (fr) 1996-09-09 1996-09-09 Circuit de traitement de signaux de synchronisation verticale comprenant un circuit de detection de polarite
US08/922,498 US5977802A (en) 1996-09-09 1997-09-03 Circuit for processing vertical synchronization signals including a polarity detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9611220A FR2753327B1 (fr) 1996-09-09 1996-09-09 Circuit de traitement de signaux de synchronisation verticale comprenant un circuit de detection de polarite

Publications (2)

Publication Number Publication Date
FR2753327A1 FR2753327A1 (fr) 1998-03-13
FR2753327B1 true FR2753327B1 (fr) 1998-11-27

Family

ID=9495735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9611220A Expired - Fee Related FR2753327B1 (fr) 1996-09-09 1996-09-09 Circuit de traitement de signaux de synchronisation verticale comprenant un circuit de detection de polarite

Country Status (2)

Country Link
US (1) US5977802A (fr)
FR (1) FR2753327B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6171190B1 (en) * 1998-05-27 2001-01-09 Act Labs, Ltd. Photosensitive input peripheral device in a personal computer-based video gaming platform

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910009557B1 (ko) * 1987-03-31 1991-11-21 미쓰비시 뎅끼 가부시끼가이샤 동기신호 처리회로
US4779132A (en) * 1987-07-08 1988-10-18 Zenith Electronics Corporation Video monitor using encoded sync signals
US4800429A (en) * 1988-03-14 1989-01-24 Motorola, Inc. Auto sync polarity control circuit for use with monitor
JPH07110047B2 (ja) * 1990-06-13 1995-11-22 シャープ株式会社 水平同期信号分離回路
KR930001466B1 (ko) * 1990-09-04 1993-02-27 삼성전자 주식회사 비데오 카드의 동기신호 극성 변환회로
KR940004737B1 (ko) * 1991-11-22 1994-05-28 삼성전관 주식회사 슈퍼 브이지에이 모니터 인터페이스 회로
US5394171A (en) * 1992-11-02 1995-02-28 Zenith Electronics Corp. Synchronizing signal front end processor for video monitor
US5349387A (en) * 1993-09-21 1994-09-20 Acer Peripherals, Inc. Apparatus for detecting polarity of an input signal

Also Published As

Publication number Publication date
FR2753327A1 (fr) 1998-03-13
US5977802A (en) 1999-11-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070531