DE69421899D1 - Vorrichtung und verfahren zur erzeugung periodischer synchronisationsreferenzen zur bildung eines synchronisationssignals - Google Patents

Vorrichtung und verfahren zur erzeugung periodischer synchronisationsreferenzen zur bildung eines synchronisationssignals

Info

Publication number
DE69421899D1
DE69421899D1 DE69421899T DE69421899T DE69421899D1 DE 69421899 D1 DE69421899 D1 DE 69421899D1 DE 69421899 T DE69421899 T DE 69421899T DE 69421899 T DE69421899 T DE 69421899T DE 69421899 D1 DE69421899 D1 DE 69421899D1
Authority
DE
Germany
Prior art keywords
forming
synchronization
references
generating periodic
synchronization signal
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
DE69421899T
Other languages
English (en)
Other versions
DE69421899T2 (de
Inventor
Carlo Basile
Samuel Akiwumi-Assani
Victor Gornstein
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.)
Koninklijke Philips NV
Philips Norden AB
Original Assignee
Koninklijke Philips Electronics NV
Philips Norden AB
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 Koninklijke Philips Electronics NV, Philips Norden AB filed Critical Koninklijke Philips Electronics NV
Publication of DE69421899D1 publication Critical patent/DE69421899D1/de
Application granted granted Critical
Publication of DE69421899T2 publication Critical patent/DE69421899T2/de
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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H04N7/56—Synchronising systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69421899T 1993-07-22 1994-07-14 Vorrichtung und verfahren zur erzeugung periodischer synchronisationsreferenzen zur bildung eines synchronisationssignals Expired - Fee Related DE69421899T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/095,980 US5418573A (en) 1993-07-22 1993-07-22 Apparatus and method for producing periodic synchronization references forming a synchronization signal
PCT/IB1994/000214 WO1995003670A1 (en) 1993-07-22 1994-07-14 Apparatus and method for producing periodic synchronization references forming a synchronization signal

Publications (2)

Publication Number Publication Date
DE69421899D1 true DE69421899D1 (de) 2000-01-05
DE69421899T2 DE69421899T2 (de) 2001-02-08

Family

ID=22254479

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421899T Expired - Fee Related DE69421899T2 (de) 1993-07-22 1994-07-14 Vorrichtung und verfahren zur erzeugung periodischer synchronisationsreferenzen zur bildung eines synchronisationssignals

Country Status (5)

Country Link
US (1) US5418573A (de)
EP (1) EP0662271B1 (de)
JP (1) JP3496218B2 (de)
DE (1) DE69421899T2 (de)
WO (1) WO1995003670A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0134309B1 (ko) * 1994-03-11 1998-04-23 김광호 디지탈 주파수 자동조절회로
ES2146312T3 (es) * 1994-06-10 2000-08-01 Koninkl Philips Electronics Nv Metodo y dispositivo de sincronizacion.
JP3149328B2 (ja) * 1995-01-09 2001-03-26 松下電器産業株式会社 送信装置と受信装置
US5786868A (en) * 1995-12-22 1998-07-28 Cirrus Logic, Inc. Automatic step generator for self-correction of sampling
US5914757A (en) * 1997-04-21 1999-06-22 Philips Electronics North America Corporation Synchronization of multiple video and graphic sources with a display using a slow PLL approach
US7149265B2 (en) * 2003-05-16 2006-12-12 Visteon Global Technologies, Inc. Timing recovery loop with non-integer length
JP4508583B2 (ja) * 2003-09-05 2010-07-21 三洋電機株式会社 液晶表示制御装置
US8378889B2 (en) * 2008-08-08 2013-02-19 02Micro Inc Calculating navigation system time in a satellite navigation system
WO2010126842A1 (en) * 2009-04-27 2010-11-04 Interdigital Patent Holdings, Inc. Reference signals for positioning measurements

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005054A (nl) * 1980-09-08 1982-04-01 Philips Nv Schakeling voor het opwekken van een periodiek zaagtandvormig signaal.
US4518996A (en) * 1983-03-21 1985-05-21 Rca Corporation Synchronization system that uses all valid signals
CA1227252A (en) * 1984-09-28 1987-09-22 Toshiyuki Tanabe Reference signal reproduction apparatus
US4751575A (en) * 1985-09-18 1988-06-14 Robert Bosch Gmbh Method of timing sampling frequency pulses for digitizing and storing color television signals reproduced from magnetic tape
US4812783A (en) * 1986-08-26 1989-03-14 Matsushita Electric Industrial Co., Ltd. Phase locked loop circuit with quickly recoverable stability
US4733197A (en) * 1987-02-19 1988-03-22 Northern Telecom Limited Extended range phaselocked loop
US4802009A (en) * 1987-07-13 1989-01-31 Rca Licensing Corporation Digitally controlled phase locked loop system
JP2584309B2 (ja) * 1988-09-07 1997-02-26 三洋電機株式会社 基準信号作成回路
JP2975607B2 (ja) * 1989-03-16 1999-11-10 三洋電機株式会社 Ａｆｃ回路
US4974081A (en) * 1990-03-13 1990-11-27 Pioneer Electronic Corporation Clock pulse generating circuit
EP0464230B1 (de) * 1990-06-30 1996-09-18 Deutsche ITT Industries GmbH Digitale Phasenregelungsschleife

Also Published As

Publication number Publication date
JP3496218B2 (ja) 2004-02-09
EP0662271A1 (de) 1995-07-12
US5418573A (en) 1995-05-23
JPH08501916A (ja) 1996-02-27
WO1995003670A1 (en) 1995-02-02
EP0662271B1 (de) 1999-12-01
DE69421899T2 (de) 2001-02-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee