DE69512359D1 - Schaltung zum Kompensieren eines Gleichstrom-Offsets für Pal-Plus Fernsehen - Google Patents

Schaltung zum Kompensieren eines Gleichstrom-Offsets für Pal-Plus Fernsehen

Info

Publication number
DE69512359D1
DE69512359D1 DE69512359T DE69512359T DE69512359D1 DE 69512359 D1 DE69512359 D1 DE 69512359D1 DE 69512359 T DE69512359 T DE 69512359T DE 69512359 T DE69512359 T DE 69512359T DE 69512359 D1 DE69512359 D1 DE 69512359D1
Authority
DE
Germany
Prior art keywords
pal
compensate
offset
circuit
plus television
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
DE69512359T
Other languages
English (en)
Other versions
DE69512359T2 (de
Inventor
Jin-Ho Cho
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Application granted granted Critical
Publication of DE69512359D1 publication Critical patent/DE69512359D1/de
Publication of DE69512359T2 publication Critical patent/DE69512359T2/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
    • H04N11/167—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system a resolution-increasing signal being multiplexed to the PAL-system signal, e.g. PAL-PLUS-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/832—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal using an increased bandwidth for the luminance or the chrominance signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
DE69512359T 1994-12-07 1995-12-06 Schaltung zum Kompensieren eines Gleichstrom-Offsets für Pal-Plus Fernsehen Expired - Fee Related DE69512359T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940033156A KR100317351B1 (ko) 1994-12-07 1994-12-07 팔프러스티브이의직류오프셋보상회로

Publications (2)

Publication Number Publication Date
DE69512359D1 true DE69512359D1 (de) 1999-10-28
DE69512359T2 DE69512359T2 (de) 2000-02-24

Family

ID=19400610

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512359T Expired - Fee Related DE69512359T2 (de) 1994-12-07 1995-12-06 Schaltung zum Kompensieren eines Gleichstrom-Offsets für Pal-Plus Fernsehen

Country Status (3)

Country Link
EP (1) EP0716540B1 (de)
KR (1) KR100317351B1 (de)
DE (1) DE69512359T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19640012C1 (de) * 1996-09-27 1998-05-14 Sony Deutschland Gmbh Verfahren und Einrichtung zur Verbesserung der Bildwiedergabequalität bei einem Breitbild-Fernsehempfänger

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8721565D0 (en) * 1987-09-14 1987-10-21 Rca Corp Video signal processing system
JPH0810927B2 (ja) * 1989-06-07 1996-01-31 株式会社東芝 多重信号伝送及び受信装置及びその方法
DE4111979A1 (de) * 1991-04-12 1992-10-15 Thomson Brandt Gmbh Vorrichtung zur bildsignal-aufzeichnung und/oder -wiedergabe
GB9126225D0 (en) * 1991-12-10 1992-02-12 British Broadcasting Corp Enhanced composite television
JPH0822057B2 (ja) * 1992-04-21 1996-03-04 松下電器産業株式会社 テレビジョン信号処理方法および処理装置
JPH06141293A (ja) * 1992-10-27 1994-05-20 Toshiba Corp 直流オフセット除去テレビジョン信号処理回路
JPH06292146A (ja) * 1993-04-01 1994-10-18 Matsushita Electric Ind Co Ltd テレビジョン信号処理回路

Also Published As

Publication number Publication date
EP0716540A3 (de) 1996-12-18
EP0716540B1 (de) 1999-09-22
KR100317351B1 (ko) 2002-02-19
EP0716540A2 (de) 1996-06-12
DE69512359T2 (de) 2000-02-24
KR960028598A (ko) 1996-07-22

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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