KR100287510B1 - 신호클램핑장치 - Google Patents

신호클램핑장치 Download PDF

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Publication number
KR100287510B1
KR100287510B1 KR1019940001872A KR19940001872A KR100287510B1 KR 100287510 B1 KR100287510 B1 KR 100287510B1 KR 1019940001872 A KR1019940001872 A KR 1019940001872A KR 19940001872 A KR19940001872 A KR 19940001872A KR 100287510 B1 KR100287510 B1 KR 100287510B1
Authority
KR
South Korea
Prior art keywords
signal
level
video
evaluation
interval
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
KR1019940001872A
Other languages
English (en)
Korean (ko)
Other versions
KR940020771A (ko
Inventor
마크더글라스왈비
나타니엘할룩에르소즈
에릭더글라스로메스버그
토드제이.크리스토퍼
Original Assignee
크리트먼 어윈 엠
톰슨 콘슈머 일렉트로닉스, 인코포레이티드
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 크리트먼 어윈 엠, 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 filed Critical 크리트먼 어윈 엠
Publication of KR940020771A publication Critical patent/KR940020771A/ko
Application granted granted Critical
Publication of KR100287510B1 publication Critical patent/KR100287510B1/ko
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
    • H04N5/14—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
    • H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
KR1019940001872A 1993-02-05 1994-02-02 신호클램핑장치 Expired - Fee Related KR100287510B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8/014,157 1993-02-05
US08/014,157 US5448308A (en) 1993-02-05 1993-02-05 Apparatus for clamping a video signal level
US08/014,157 1993-02-05

Publications (2)

Publication Number Publication Date
KR940020771A KR940020771A (ko) 1994-09-16
KR100287510B1 true KR100287510B1 (ko) 2001-04-16

Family

ID=21763859

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940001872A Expired - Fee Related KR100287510B1 (ko) 1993-02-05 1994-02-02 신호클램핑장치

Country Status (11)

Country Link
US (1) US5448308A (enExample)
EP (1) EP0609759B1 (enExample)
JP (1) JP3498987B2 (enExample)
KR (1) KR100287510B1 (enExample)
CN (1) CN1065393C (enExample)
DE (1) DE69428614T2 (enExample)
ES (1) ES2161724T3 (enExample)
MY (1) MY111545A (enExample)
PT (1) PT609759E (enExample)
SG (1) SG79176A1 (enExample)
TW (1) TW228039B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841488A (en) * 1995-12-28 1998-11-24 Thomson Consumer Electronics, Inc. Multiple video input clamping arrangement
DE59608558D1 (de) * 1996-01-31 2002-02-14 Micronas Gmbh Videosignal-Klemmschaltung
US5999221A (en) * 1997-05-08 1999-12-07 Sony Corporation Horizontal synchronization pulse generation circuit
US5864371A (en) * 1997-05-08 1999-01-26 Sony Corporation Luminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generation
US6141064A (en) * 1997-05-08 2000-10-31 Sony Corporation Luminance signal generation circuit with single clamp in closed loop configuration
US6956621B2 (en) 2002-06-05 2005-10-18 Broadcom Corporation High impedance digital full line video clamp
US7486336B2 (en) * 2005-03-31 2009-02-03 Mstar Semiconductor, Inc. ADC system, video decoder and related method for decoding composite video signal utilizing clock synchronized to subcarrier of composite video signal
US8487707B2 (en) 2006-08-08 2013-07-16 Mstar Semiconductor, Inc. Frequency synthesizer
CN103167219B (zh) * 2011-12-08 2016-03-23 无锡华润矽科微电子有限公司 Cvbs电视信号钳位控制电路结构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3673255D1 (de) * 1985-05-21 1990-09-13 Citizen Watch Co Ltd Automatische austastpegel-klemmschaltung.
US4859871A (en) * 1987-02-13 1989-08-22 Fujitsu Limited Voltage level setting circuit
JP2517961B2 (ja) * 1987-05-11 1996-07-24 ソニー株式会社 ビデオ信号のクランプ回路
JPH01221990A (ja) * 1988-02-29 1989-09-05 Nec Corp テレビジョン信号同期処理方式
DE3817421A1 (de) * 1988-05-21 1990-02-01 Standard Elektrik Lorenz Ag Klemmschaltung mit analog-digital-wandler
JPH0226885A (ja) * 1988-07-15 1990-01-29 Inax Corp タイルの加飾方法
US5003564A (en) * 1989-04-04 1991-03-26 Rca Licensing Corporation Digital signal clamp circuitry
JPH049780A (ja) * 1990-04-27 1992-01-14 Seiko Instr Inc Ｄｃ―ｓｑｕｉｄ測定装置
JPH0449780A (ja) * 1990-06-18 1992-02-19 Victor Co Of Japan Ltd ビデオ信号クランプ回路
US5084700A (en) * 1991-02-04 1992-01-28 Thomson Consumer Electronics, Inc. Signal clamp circuitry for analog-to-digital converters

Also Published As

Publication number Publication date
KR940020771A (ko) 1994-09-16
MY111545A (en) 2000-08-30
EP0609759A3 (en) 1995-09-20
PT609759E (pt) 2002-04-29
JP3498987B2 (ja) 2004-02-23
EP0609759A2 (en) 1994-08-10
TW228039B (enExample) 1994-08-11
US5448308A (en) 1995-09-05
ES2161724T3 (es) 2001-12-16
CN1095536A (zh) 1994-11-23
JPH06253174A (ja) 1994-09-09
DE69428614D1 (de) 2001-11-22
EP0609759B1 (en) 2001-10-17
CN1065393C (zh) 2001-05-02
DE69428614T2 (de) 2002-05-08
SG79176A1 (en) 2001-03-20

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