MXPA03004600A - Fijador de portal trasero. - Google Patents

Fijador de portal trasero.

Info

Publication number
MXPA03004600A
MXPA03004600A MXPA03004600A MXPA03004600A MXPA03004600A MX PA03004600 A MXPA03004600 A MX PA03004600A MX PA03004600 A MXPA03004600 A MX PA03004600A MX PA03004600 A MXPA03004600 A MX PA03004600A MX PA03004600 A MXPA03004600 A MX PA03004600A
Authority
MX
Mexico
Prior art keywords
porch clamp
porch
clamp
Prior art date
Application number
MXPA03004600A
Other languages
English (en)
Inventor
Ronald Thomas Keen
Original Assignee
Thomson Licensing 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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of MXPA03004600A publication Critical patent/MXPA03004600A/es

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/129—Means for adapting the input signal to the range the converter can handle, e.g. limiting, pre-scaling ; Out-of-range indication
    • H03M1/1295—Clamping, i.e. adjusting the DC level of the input signal to a predetermined value
    • 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
    • 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
    • H04N5/185—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 for the black level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
  • Synchronizing For Television (AREA)
MXPA03004600A 2000-11-27 2001-11-21 Fijador de portal trasero. MXPA03004600A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25319000P 2000-11-27 2000-11-27
PCT/US2001/043145 WO2002043375A2 (en) 2000-11-27 2001-11-21 Back-porch clamp

Publications (1)

Publication Number Publication Date
MXPA03004600A true MXPA03004600A (es) 2003-09-04

Family

ID=22959249

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03004600A MXPA03004600A (es) 2000-11-27 2001-11-21 Fijador de portal trasero.

Country Status (10)

Country Link
US (1) US7126645B2 (es)
EP (1) EP1340370B1 (es)
JP (1) JP4121369B2 (es)
KR (1) KR100803681B1 (es)
CN (1) CN1214621C (es)
AU (1) AU2002217772A1 (es)
DE (1) DE60103664T2 (es)
ES (1) ES2220834T3 (es)
MX (1) MXPA03004600A (es)
WO (1) WO2002043375A2 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6956621B2 (en) 2002-06-05 2005-10-18 Broadcom Corporation High impedance digital full line video clamp
JP4500590B2 (ja) 2004-06-10 2010-07-14 キヤノン株式会社 信号処理装置
US7233365B2 (en) * 2004-09-01 2007-06-19 Maxim Integrated Products, Inc. Digital DC restore methods and apparatus
US7345714B2 (en) * 2005-01-13 2008-03-18 National Semiconductor Corporation Video signal 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
KR101136883B1 (ko) * 2007-03-16 2012-04-20 삼성전자주식회사 자동 신호 게인 조정 장치 및 방법
US20090060046A1 (en) * 2007-08-29 2009-03-05 Rgb Systems, Inc. Method and apparatus for improving the quality of a transmitted video signal
US8462269B2 (en) * 2007-11-16 2013-06-11 Mediatek Inc. Devices and methods for extracting a synchronization signal from a video signal
US9500552B2 (en) 2014-05-22 2016-11-22 Motorola Solutions, Inc. Method for calibrating and manufacturing a force-sensing touch screen panel

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4215668C2 (de) 1992-05-13 2003-06-12 Thomson Brandt Gmbh Klemmschaltung für ein digitales Videosignal
CA2157986A1 (en) * 1995-09-11 1997-03-12 Gennum Corporation Sync separator and video signal detector circuits
US5841488A (en) * 1995-12-28 1998-11-24 Thomson Consumer Electronics, Inc. Multiple video input clamping arrangement
US5798802A (en) 1996-01-31 1998-08-25 Deutsche Itt Industries Gmbh Video signal clamping circuit
KR100207713B1 (ko) * 1997-01-17 1999-07-15 윤종용 아날로그-디지탈 변환기의 top 전압을 이용한 agc 회로
US6580465B1 (en) * 1998-01-09 2003-06-17 Pentax Corporation Clamp voltage generating circuit and clamp level adjusting method
JP3127878B2 (ja) 1998-03-18 2001-01-29 日本電気株式会社 クランプ回路
US6028642A (en) * 1998-06-02 2000-02-22 Ati Technologies, Inc. Digital horizontal synchronization pulse phase detector circuit and method
JP3568434B2 (ja) * 1999-11-11 2004-09-22 三洋電機株式会社 同期信号の周期測定装置
US6529248B1 (en) * 2000-03-29 2003-03-04 Zilog, Inc. Method and apparatus for improved signal restoration
US6967691B2 (en) * 2002-08-07 2005-11-22 Thomson Licensing Color difference signal processing

Also Published As

Publication number Publication date
EP1340370A2 (en) 2003-09-03
US20040027492A1 (en) 2004-02-12
DE60103664D1 (de) 2004-07-08
ES2220834T3 (es) 2004-12-16
WO2002043375A2 (en) 2002-05-30
DE60103664T2 (de) 2005-08-18
KR100803681B1 (ko) 2008-02-20
AU2002217772A1 (en) 2002-06-03
CN1214621C (zh) 2005-08-10
EP1340370B1 (en) 2004-06-02
CN1475073A (zh) 2004-02-11
US7126645B2 (en) 2006-10-24
WO2002043375A3 (en) 2002-08-01
JP2004515125A (ja) 2004-05-20
JP4121369B2 (ja) 2008-07-23
KR20040011434A (ko) 2004-02-05

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Legal Events

Date Code Title Description
FG Grant or registration