DE69412887D1 - Verfahren zur Synchronisierung von Videomodulation mit konstanter Zeitbasis - Google Patents

Verfahren zur Synchronisierung von Videomodulation mit konstanter Zeitbasis

Info

Publication number
DE69412887D1
DE69412887D1 DE69412887T DE69412887T DE69412887D1 DE 69412887 D1 DE69412887 D1 DE 69412887D1 DE 69412887 T DE69412887 T DE 69412887T DE 69412887 T DE69412887 T DE 69412887T DE 69412887 D1 DE69412887 D1 DE 69412887D1
Authority
DE
Germany
Prior art keywords
time base
constant time
video modulation
synchronizing video
synchronizing
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
DE69412887T
Other languages
English (en)
Other versions
DE69412887T2 (de
Inventor
Gregory C Parrish
Iii Benjamin E Felts
Sanjay K Jha
David J Wicker
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.)
Brooktree Broadband Holding Inc
Original Assignee
Brooktree Corp
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 Brooktree Corp filed Critical Brooktree Corp
Publication of DE69412887D1 publication Critical patent/DE69412887D1/de
Application granted granted Critical
Publication of DE69412887T2 publication Critical patent/DE69412887T2/de
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
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
    • H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/12—Synchronisation between the display unit and other units, e.g. other display units, video-disc players

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Synchronizing For Television (AREA)
  • Television Signal Processing For Recording (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
DE69412887T 1993-03-10 1994-03-10 Verfahren zur Synchronisierung von Videomodulation mit konstanter Zeitbasis Expired - Lifetime DE69412887T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/029,121 US5404173A (en) 1993-03-10 1993-03-10 Method to synchronize video modulation using a constant time base

Publications (2)

Publication Number Publication Date
DE69412887D1 true DE69412887D1 (de) 1998-10-08
DE69412887T2 DE69412887T2 (de) 1999-01-21

Family

ID=21847345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412887T Expired - Lifetime DE69412887T2 (de) 1993-03-10 1994-03-10 Verfahren zur Synchronisierung von Videomodulation mit konstanter Zeitbasis

Country Status (5)

Country Link
US (2) US5404173A (de)
EP (1) EP0615222B1 (de)
JP (1) JP3064177B2 (de)
CA (1) CA2115955C (de)
DE (1) DE69412887T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404173A (en) * 1993-03-10 1995-04-04 Brooktree Corporation Method to synchronize video modulation using a constant time base
US5731843A (en) * 1994-09-30 1998-03-24 Apple Computer, Inc. Apparatus and method for automatically adjusting frequency and phase of pixel sampling in a video display
JP3823420B2 (ja) * 1996-02-22 2006-09-20 セイコーエプソン株式会社 ドットクロック信号を調整するための方法及び装置
US5767916A (en) * 1996-03-13 1998-06-16 In Focus Systems, Inc. Method and apparatus for automatic pixel clock phase and frequency correction in analog to digital video signal conversion
US5805233A (en) 1996-03-13 1998-09-08 In Focus Systems, Inc. Method and apparatus for automatic pixel clock phase and frequency correction in analog to digital video signal conversion
US5796392A (en) * 1997-02-24 1998-08-18 Paradise Electronics, Inc. Method and apparatus for clock recovery in a digital display unit
ES2175818T3 (es) * 1997-12-22 2002-11-16 Koninkl Philips Electronics Nv Corrector de base de tiempos de salida.
US6441857B1 (en) 1999-01-28 2002-08-27 Conexant Systems, Inc. Method and apparatus for horizontally scaling computer video data for display on a television
US6567553B1 (en) * 1999-05-28 2003-05-20 Mustek Systems Inc. Method for generating diversified image frame
US7367042B1 (en) 2000-02-29 2008-04-29 Goldpocket Interactive, Inc. Method and apparatus for hyperlinking in a television broadcast
US7343617B1 (en) 2000-02-29 2008-03-11 Goldpocket Interactive, Inc. Method and apparatus for interaction with hyperlinks in a television broadcast
US7120924B1 (en) 2000-02-29 2006-10-10 Goldpocket Interactive, Inc. Method and apparatus for receiving a hyperlinked television broadcast
US6636205B1 (en) 2000-04-10 2003-10-21 Infocus Corporation Method and apparatus for determining a clock tracking frequency in a single vertical sync period
US20020078446A1 (en) * 2000-08-30 2002-06-20 Jon Dakss Method and apparatus for hyperlinking in a television broadcast
EP1274229A1 (de) * 2001-07-06 2003-01-08 Thomson Licensing S.A. Verfahren zur Gewinnung von Zeilensynchronisationinformationen aus einem Videosignal und Gerät zur Verwirklichung des Verfahrens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819859A (en) * 1972-12-26 1974-06-25 Bell Telephone Labor Inc Horizontal sync detector and video clamp circuit
US4206479A (en) * 1978-01-26 1980-06-03 Eastman Kodak Company Buffered time base correction circuit
JPS5741078A (en) * 1980-08-22 1982-03-06 Seiko Epson Corp Synchronizing circuit of matrix television
US4498098A (en) * 1982-06-02 1985-02-05 Digital Equipment Corporation Apparatus for combining a video signal with graphics and text from a computer
US4638358A (en) * 1982-07-19 1987-01-20 Matsushita Electric Industrial Co., Ltd. Sampling clock reproducing circuit
US4989073A (en) * 1987-11-25 1991-01-29 Ampex Corporation System for compensating timing errors during sampling of signals
US5027212A (en) * 1989-12-06 1991-06-25 Videologic Limited Computer based video/graphics display system
DE4011241B4 (de) * 1990-04-06 2005-06-02 Micronas Gmbh Digitale Fernsehsignalverarbeitungsschaltung mit orthogonalem Ausgangstakt
US5168246A (en) * 1991-10-24 1992-12-01 Zenith Electronics Corporation Error amplifier for multiple frequency oscillator control
JP2718311B2 (ja) * 1991-12-27 1998-02-25 日本ビクター株式会社 時間軸補正装置
US5404173A (en) * 1993-03-10 1995-04-04 Brooktree Corporation Method to synchronize video modulation using a constant time base

Also Published As

Publication number Publication date
US5404173A (en) 1995-04-04
CA2115955A1 (en) 1994-09-11
JP3064177B2 (ja) 2000-07-12
US5638131A (en) 1997-06-10
JPH0775054A (ja) 1995-03-17
DE69412887T2 (de) 1999-01-21
EP0615222B1 (de) 1998-09-02
EP0615222A1 (de) 1994-09-14
CA2115955C (en) 2001-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BROOKTREE BROADBAND HOLDING,INC.(N.D.GES.D.STA, US