CA2010665A1 - Recepteur a correction de l'effet du a la reponse frequentielle de filtre peigne - Google Patents

Recepteur a correction de l'effet du a la reponse frequentielle de filtre peigne

Info

Publication number
CA2010665A1
CA2010665A1 CA2010665A CA2010665A CA2010665A1 CA 2010665 A1 CA2010665 A1 CA 2010665A1 CA 2010665 A CA2010665 A CA 2010665A CA 2010665 A CA2010665 A CA 2010665A CA 2010665 A1 CA2010665 A1 CA 2010665A1
Authority
CA
Canada
Prior art keywords
comb filter
correction
receiver
frequency response
circuit
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.)
Granted
Application number
CA2010665A
Other languages
English (en)
Other versions
CA2010665C (fr
Inventor
Gene Karl Sendelweck
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer 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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of CA2010665A1 publication Critical patent/CA2010665A1/fr
Application granted granted Critical
Publication of CA2010665C publication Critical patent/CA2010665C/fr
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
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • 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
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Filters That Use Time-Delay Elements (AREA)
CA002010665A 1989-04-20 1990-02-22 Recepteur a correction de l'effet du a la reponse frequentielle de filtre peigne Expired - Fee Related CA2010665C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US341,017 1989-04-20
US07/341,017 US4991003A (en) 1989-04-20 1989-04-20 Receiver with correction for comb filter frequency response

Publications (2)

Publication Number Publication Date
CA2010665A1 true CA2010665A1 (fr) 1990-10-20
CA2010665C CA2010665C (fr) 2000-03-14

Family

ID=23335923

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002010665A Expired - Fee Related CA2010665C (fr) 1989-04-20 1990-02-22 Recepteur a correction de l'effet du a la reponse frequentielle de filtre peigne

Country Status (6)

Country Link
US (1) US4991003A (fr)
EP (1) EP0394000B1 (fr)
JP (1) JP2602116B2 (fr)
KR (1) KR0159935B1 (fr)
CA (1) CA2010665C (fr)
DE (1) DE69023800T2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2532682B2 (ja) * 1989-10-13 1996-09-11 松下電器産業株式会社 ビデオクロマ信号処理回路
DE19718617A1 (de) * 1997-05-02 1998-11-05 Philips Patentverwaltung Verzögerungsanordnung
US9681109B2 (en) 2015-08-20 2017-06-13 Qualcomm Incorporated Systems and methods for configurable demodulation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728476A (en) * 1971-03-17 1973-04-17 Gen Electric Luminance notch filter
US4158852A (en) * 1978-05-11 1979-06-19 Rca Corporation Video signal translating circuit
JPS5685986A (en) * 1979-12-14 1981-07-13 Toshiba Corp Color television signal processing circuit
US4430665A (en) * 1981-12-14 1984-02-07 Rca Corporation Automatic video signal peaking and color control
US4677462A (en) * 1985-11-07 1987-06-30 Rca Corporation Delay and filter network with chrominance trap between series input resistors

Also Published As

Publication number Publication date
KR0159935B1 (ko) 1999-01-15
DE69023800T2 (de) 1996-07-11
JP2602116B2 (ja) 1997-04-23
CA2010665C (fr) 2000-03-14
DE69023800D1 (de) 1996-01-11
JPH02296488A (ja) 1990-12-07
EP0394000B1 (fr) 1995-11-29
US4991003A (en) 1991-02-05
EP0394000A3 (fr) 1992-05-27
KR900017424A (ko) 1990-11-16
EP0394000A2 (fr) 1990-10-24

Similar Documents

Publication Publication Date Title
AU3488789A (en) Apparatus for defining an effective picture area of a high definition video signal when displayed on a screen with a different aspect ratio
ATE53730T1 (de) Rekursives filter fuer videosignale mit trennung von leuchtdichte- und farbinformation.
EP0534220A3 (en) Video signal processing circuit with picture magnifying function
CA1264372C (fr) Circuit de traitement de signaux de television
MY104798A (en) Gradation correcting apparatus for correcting luminance signal in accordance with detected color signal.
MY105963A (en) Television apparatus with picture in picture processing
CA2047398A1 (fr) Eliminateur de bruit dans les signaux de luminance
MY108832A (en) Non-linear luminance signal processor responsive to average picture le displayed image
DE69022619D1 (de) Fernsehapparat.
CA2010665A1 (fr) Recepteur a correction de l'effet du a la reponse frequentielle de filtre peigne
TR25530A (tr) Ayri bir y-c formatina sahip video sinyalleri icin yardimci girdi baglayicisina sahip televizyon ali- cisi
PL294354A1 (en) Tv receiver with luminance signal non-linear processor
MY105283A (en) An adaptive multistandard video comb filter.
ATE130720T1 (de) Fernsehapparat.
JPS57138285A (en) Three-dimensional television device
CA2003516A1 (fr) Appareil de traitement de signaux video
JPS5568774A (en) Blooming preventing device
CA2017179A1 (fr) Circuit de compensation des pertes de niveau
JPS54149424A (en) Signal detector of television receiver
MY107473A (en) Video camera with electronic viewfinder
JPS55130272A (en) Deflecting circuit device
JPS5397730A (en) Noise reduction device for television picture receiver
KR900013157U (ko) Vcr의 색신호 뮤트에 의한 화질개선회로
KR890012001U (ko) 온스크린표시 배경 영상신호 처리회로
JPS647889A (en) Device for synthesizing secam signal and character signal

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20080222