VN248A1 - A clamp system - Google Patents

A clamp system

Info

Publication number
VN248A1
VN248A1 VNS-542/93A VN54293A VN248A1 VN 248 A1 VN248 A1 VN 248A1 VN 54293 A VN54293 A VN 54293A VN 248 A1 VN248 A1 VN 248A1
Authority
VN
Vietnam
Prior art keywords
clamp system
clamp
Prior art date
Application number
VNS-542/93A
Other languages
English (en)
Inventor
William Adamson Lagoni
Original Assignee
Thomson Consumer Electronics
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 filed Critical Thomson Consumer Electronics
Publication of VN248A1 publication Critical patent/VN248A1/vi

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)
VNS-542/93A 1992-09-17 1993-08-12 A clamp system VN248A1 (en)

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
VN248A1 true VN248A1 (en) 1996-01-25

Family

ID=25487474

Family Applications (1)

Application Number Title Priority Date Filing Date
VNS-542/93A VN248A1 (en) 1992-09-17 1993-08-12 A clamp system

Country Status (12)

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

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
EP0588169B1 (en) 1997-11-19
EP0588169A1 (en) 1994-03-23
SG67891A1 (en) 1999-10-19
MY108820A (en) 1996-11-30
CN1037224C (zh) 1998-01-28
US5343255A (en) 1994-08-30
DE69315287T2 (de) 1998-04-02
DE69315287D1 (de) 1998-01-02
KR940008412A (ko) 1994-04-29
JP2775223B2 (ja) 1998-07-16
JPH06225180A (ja) 1994-08-12
TR28020A (tr) 1995-12-08
CN1085372A (zh) 1994-04-13
ES2109406T3 (es) 1998-01-16
KR100278524B1 (ko) 2001-01-15
MX9305649A (es) 1994-06-30

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