ES2049247T3 - Receptor de television que tiene reloj corregido en oblicuidad. - Google Patents

Receptor de television que tiene reloj corregido en oblicuidad.

Info

Publication number
ES2049247T3
ES2049247T3 ES88302727T ES88302727T ES2049247T3 ES 2049247 T3 ES2049247 T3 ES 2049247T3 ES 88302727 T ES88302727 T ES 88302727T ES 88302727 T ES88302727 T ES 88302727T ES 2049247 T3 ES2049247 T3 ES 2049247T3
Authority
ES
Spain
Prior art keywords
circuit
dividing
frequency
fcs
corrected
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
ES88302727T
Other languages
English (en)
Inventor
Eric Douglas Romesburg
Russell Thomas Fling
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing 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
Priority claimed from US07/032,258 external-priority patent/US4864399A/en
Priority claimed from US07/032,261 external-priority patent/US4772937A/en
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Application granted granted Critical
Publication of ES2049247T3 publication Critical patent/ES2049247T3/es
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
    • 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
    • H04N5/123—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 directly commands a frequency generator
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/95—Time-base error compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/45—Generation or recovery of colour sub-carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Synchronizing For Television (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)

Abstract

RECEPTOR DE TV DIGITAL QUE INCLUYE UN APARATO PARA LA GENERACION DE UN RELOJ CORREGIDO EN DISTORSION. EL APARATO CONSISTE DE UN OSCILADOR CONTINUO, DE FRECUENCIA FIJA (22) PARA PRODUCIR UNA SEÑAL (FFOS) CON UNA FRECUENCIA QUE ES UN MULTIPLO ENTERO K ESTABLECIDO DE LA FRECUENCIA NOMINAL DESEADA DE LA SEÑAL DE RELOJ CORREGIDA EN DISTORSION, Y UN CIRCUITO DE DIVIDIR POR K (30) QUE SE REPONE UNA VEZ EN CADA LINEA HORIZONTAL. EL CIRCUITO DE DIVIDIR POR K COMPRENDE UN CIRCUITO DE DIVIDIR POR M CONECTADO EN SERIE CON UN FLIPFLOP (50), CON DICHO CIRCUITO DE DIVIDIR POR M (40) SE REPONE MEDIANTE UNA PRIMERA SEÑAL DE CONTROL (FCS) UNA VEZ EN CADA LINEA HORIZONTAL. EL APARATO INCLUYE ADICCIONALMENTE MEDIOS (FIG. 2/SCS) PARA PREVENIR LA SALIDA DEL FLIP-FLOP (50) DE CAMBIAR MIENTRAS EL CIRCUITO DE DIVIDIR POR M SE REPONE EN RESPUESTA A LA PRIMERA SEÑAL DE CONTROL (FCS). DE ACUERDO CON OTRO ASPECTO DE ESTA INVENCION, EL ESTADO DEL CIRCUITO DE DIVIDIR POR K (30) SE CAPTURA (150/SES) Y SE SALVA PARA SER USADO EN UN APARATO DE DEMODULACION DE BRILLO (FIG. 6) JUSTO ANTES DE REPONERSE.
ES88302727T 1987-03-31 1988-03-28 Receptor de television que tiene reloj corregido en oblicuidad. Expired - Lifetime ES2049247T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/032,258 US4864399A (en) 1987-03-31 1987-03-31 Television receiver having skew corrected clock
US07/032,261 US4772937A (en) 1987-03-31 1987-03-31 Skew signal generating apparatus for digital TV

Publications (1)

Publication Number Publication Date
ES2049247T3 true ES2049247T3 (es) 1994-04-16

Family

ID=26708186

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88302727T Expired - Lifetime ES2049247T3 (es) 1987-03-31 1988-03-28 Receptor de television que tiene reloj corregido en oblicuidad.

Country Status (5)

Country Link
EP (2) EP0285350B1 (es)
JP (1) JP2663351B2 (es)
KR (1) KR960016566B1 (es)
DE (2) DE3887701T2 (es)
ES (1) ES2049247T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102909949B1 (ko) * 2023-03-28 2026-01-08 국립금오공과대학교 산학협력단 타임 스큐 보정 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291332A (en) * 1980-04-10 1981-09-22 Tokyo Shibaura Denki Kabushiki Kaisha Phase-locked circuit
US4463371A (en) * 1982-05-28 1984-07-31 Rca Corporation Clock generation apparatus for a digital television system
DE3432313A1 (de) * 1984-09-03 1986-03-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum synchronisieren eines signals
US4595953A (en) * 1984-10-31 1986-06-17 Rca Corporation Television receiver having character generator with burst locked pixel clock and correction for non-standard video signals
US4612568A (en) * 1984-11-05 1986-09-16 Rca Corporation Burst-to-line-locked clock digital video signal sample rate conversion apparatus
JPH0652943B2 (ja) * 1985-01-18 1994-07-06 ソニー株式会社 映像機器
US4667240A (en) * 1985-07-31 1987-05-19 Rca Corporation Timing correction circuitry as for TV signal recursive filters
US4638360A (en) * 1985-09-03 1987-01-20 Rca Corporation Timing correction for a picture-in-picture television system

Also Published As

Publication number Publication date
KR880012100A (ko) 1988-11-03
EP0285350A3 (en) 1989-04-19
EP0285350A2 (en) 1988-10-05
DE3887701T2 (de) 1994-08-18
EP0550420A3 (en) 1993-08-18
JP2663351B2 (ja) 1997-10-15
EP0285350B1 (en) 1994-02-09
KR960016566B1 (ko) 1996-12-14
DE3856375T2 (de) 2000-02-10
DE3887701D1 (de) 1994-03-24
EP0550420B1 (en) 1999-10-27
DE3856375D1 (de) 1999-12-02
EP0550420A2 (en) 1993-07-07
JPS63278484A (ja) 1988-11-16

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