ES2109406T3 - Receptor de television con entrada de video auxiliar fijada. - Google Patents

Receptor de television con entrada de video auxiliar fijada.

Info

Publication number
ES2109406T3
ES2109406T3 ES93114057T ES93114057T ES2109406T3 ES 2109406 T3 ES2109406 T3 ES 2109406T3 ES 93114057 T ES93114057 T ES 93114057T ES 93114057 T ES93114057 T ES 93114057T ES 2109406 T3 ES2109406 T3 ES 2109406T3
Authority
ES
Spain
Prior art keywords
video
circuit
reference voltage
fixing
television receiver
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 - Lifetime
Application number
ES93114057T
Other languages
English (en)
Inventor
William Adamson Lagoni
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of ES2109406T3 publication Critical patent/ES2109406T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

UN SISTEMA DE FIJACION PARA USO EN UN RECEPTOR DE TELEVISION QUE TIENE FUENTES DEL VIDEO, DE UN SINTONIZADOR (16) Y UN ELEMENTO AUXILIAR (14), COMPRENDE UN CIRCUITO (43) DETECTOR DEL VIDEO E IF AGC, TENIENDO UNA ENTRADA (REF V2) DE VOLTAJE DE REFERENCIA AGC Y UN CIRCUITO (66) DE FIJACION DE SEÑALES DE ENTRADA DEL VIDEO AUXILIAR, TENIENDO UNA ENTRADA (REF V5) DEL VOLTAJE DE REFERENCIA. EL CIRCUITO DETECTOR Y EL CIRCUITO DE FIJACION ESTAN CADA UNO FORMADO POR UN CIRCUITO (30) INTEGRADO COMUN, JUNTAMENTE CON UN CONMUTADOR (42) DEL VIDEO, PARA SELECCIONAR SEÑALES DE VIDEO PROPORCIONADAS POR LOS CITADOS CIRCUITOS DETECTOR Y DE FIJACION. EL CIRCUITO INTEGRADO INCLUYE ADEMAS UNA FUENTE (62) DE VOLTAJE DE REFERENCIA, Y UN GENERADOR (60) DE POLARIZACION, PARA DERIVAR EL VOLTAJE DE REFERENCIA AGC Y EL VOLTAJE DE FIJACION DE LAS SEÑALES DE ENTRADA AUXILIARES, DE LA FUENTE COMUN.
ES93114057T 1992-09-17 1993-09-02 Receptor de television con entrada de video auxiliar fijada. Expired - Lifetime ES2109406T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/948,206 US5343255A (en) 1992-09-17 1992-09-17 Video processing circuit with IF AGC loop, auxiliary video clamp and shared reference voltage source formed on common integrated circuit

Publications (1)

Publication Number Publication Date
ES2109406T3 true ES2109406T3 (es) 1998-01-16

Family

ID=25487474

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93114057T Expired - Lifetime ES2109406T3 (es) 1992-09-17 1993-09-02 Receptor de television con entrada de video auxiliar fijada.

Country Status (12)

Country Link
US (1) US5343255A (es)
EP (1) EP0588169B1 (es)
JP (1) JP2775223B2 (es)
KR (1) KR100278524B1 (es)
CN (1) CN1037224C (es)
DE (1) DE69315287T2 (es)
ES (1) ES2109406T3 (es)
MX (1) MX9305649A (es)
MY (1) MY108820A (es)
SG (1) SG67891A1 (es)
TR (1) TR28020A (es)
VN (1) VN248A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0155639B1 (ko) * 1995-10-04 1998-11-16 김광호 비엔씨/디-서브 자동선택회로
US5841488A (en) * 1995-12-28 1998-11-24 Thomson Consumer Electronics, Inc. Multiple video input clamping arrangement
KR101588299B1 (ko) * 2009-01-20 2016-01-25 삼성전자주식회사 수광량에 대한 실시간 모니터링이 가능한 4-Ｔｒ 타입의 ＡＦ 픽셀을 이용한 ＡＦ 모듈 및 이를 적용한 촬영장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162451A (en) * 1977-07-05 1979-07-24 Texas Instruments Incorporated MESFET-device surface-wave-device channel selector
US4301474A (en) * 1980-04-14 1981-11-17 Tektronix, Inc. Residual clamp error compensation circuit
US4660085A (en) * 1985-09-25 1987-04-21 Rca Corporation Television receiver responsive to plural video signals
US4660084A (en) * 1985-09-25 1987-04-21 Rca Corporation Television receiver with selectable video input signals
US4663668A (en) * 1986-06-12 1987-05-05 Rca Corporation Brightness clamping apparatus for TV receiver with multiple inputs
JPH074002B2 (ja) * 1986-08-20 1995-01-18 松下電器産業株式会社 テレビジヨン信号クランプ装置
EP0260329B1 (de) * 1986-09-13 1992-07-29 Deutsche ITT Industries GmbH Adapterschaltung für Fernsehkomponentensignale
JPH01208084A (ja) * 1988-02-15 1989-08-22 Nec Corp 中間周波信号処理回路
US4965669A (en) * 1989-04-12 1990-10-23 Rca Licensing Corporation Apparatus for digitally controlling the D.C. value of a processed signal
US5027017A (en) * 1990-01-19 1991-06-25 Rca Licensing Corporation Sync tip clamp circuitry

Also Published As

Publication number Publication date
CN1085372A (zh) 1994-04-13
EP0588169B1 (en) 1997-11-19
VN248A1 (en) 1996-01-25
JP2775223B2 (ja) 1998-07-16
US5343255A (en) 1994-08-30
TR28020A (tr) 1995-12-08
DE69315287T2 (de) 1998-04-02
EP0588169A1 (en) 1994-03-23
MX9305649A (es) 1994-06-30
DE69315287D1 (de) 1998-01-02
KR100278524B1 (ko) 2001-01-15
CN1037224C (zh) 1998-01-28
KR940008412A (ko) 1994-04-29
SG67891A1 (en) 1999-10-19
JPH06225180A (ja) 1994-08-12
MY108820A (en) 1996-11-30

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