GB2144302B - Signal processing circuit - Google Patents

Signal processing circuit

Info

Publication number
GB2144302B
GB2144302B GB08419101A GB8419101A GB2144302B GB 2144302 B GB2144302 B GB 2144302B GB 08419101 A GB08419101 A GB 08419101A GB 8419101 A GB8419101 A GB 8419101A GB 2144302 B GB2144302 B GB 2144302B
Authority
GB
United Kingdom
Prior art keywords
signal processing
processing circuit
circuit
signal
processing
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
Application number
GB08419101A
Other languages
English (en)
Other versions
GB8419101D0 (en
GB2144302A (en
Inventor
Eric Paul Batterman
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 Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of GB8419101D0 publication Critical patent/GB8419101D0/en
Publication of GB2144302A publication Critical patent/GB2144302A/en
Application granted granted Critical
Publication of GB2144302B publication Critical patent/GB2144302B/en
Expired 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
    • H04N9/64—Circuits for processing colour signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Picture Signal Circuits (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Television Systems (AREA)
GB08419101A 1983-07-27 1984-07-26 Signal processing circuit Expired GB2144302B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51783383A 1983-07-27 1983-07-27

Publications (3)

Publication Number Publication Date
GB8419101D0 GB8419101D0 (en) 1984-08-30
GB2144302A GB2144302A (en) 1985-02-27
GB2144302B true GB2144302B (en) 1987-01-14

Family

ID=24061412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08419101A Expired GB2144302B (en) 1983-07-27 1984-07-26 Signal processing circuit

Country Status (14)

Country Link
JP (1) JPH0693780B2 (cs)
KR (1) KR920005219B1 (cs)
AT (1) AT404200B (cs)
AU (1) AU573236B2 (cs)
CA (1) CA1219338A (cs)
CS (1) CS269961B2 (cs)
DE (1) DE3427669C2 (cs)
ES (1) ES534491A0 (cs)
FI (1) FI76901C (cs)
FR (1) FR2557410B1 (cs)
GB (1) GB2144302B (cs)
HK (1) HK22793A (cs)
IT (1) IT1176474B (cs)
PT (1) PT78978B (cs)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706113A (en) * 1985-02-18 1987-11-10 Mitsubishi Denki Kabushiki Kaisha Contour detecting filter device using PAL samples of composite video signals without separation of luminance signals therefrom
JPS62187773A (ja) * 1986-02-14 1987-08-17 Fuji Xerox Co Ltd インクジエツト記録用水性インク
AU608525B2 (en) * 1986-08-14 1991-04-11 Sony Corporation Television signal processing system
JP2680629B2 (ja) * 1988-09-30 1997-11-19 三洋電機株式会社 カラー画像の輪郭補正回路
JP2746692B2 (ja) * 1989-10-09 1998-05-06 富士通株式会社 色画像データ処理装置
KR930002906B1 (ko) * 1989-12-23 1993-04-15 삼성전자 주식회사 윤곽 보정회로
US5237625A (en) * 1990-04-24 1993-08-17 Matsushita Electric Industrial Co., Ltd. Image contour enhancing device
EP0457931B1 (de) * 1990-05-21 1995-09-20 Siemens Aktiengesellschaft Verfahren zur Farbkantenverbesserung bei der Darstellung von Farbfernsehbildern und Fernsehgerät zur Durchführung des Verfahrens
FI913869A7 (fi) * 1990-09-27 1992-03-28 Philips Electronics Nv Laite signaalitilanvaihtojen parantamiseksi
DE4105284A1 (de) * 1991-02-20 1992-11-05 Bacher Gmbh B Verfahren und vorrichtung zur videounterstuetzten montage
DE69223679T2 (de) * 1991-05-16 1998-04-30 Victor Company Of Japan Bildqualitätsverbesserungsschaltung zur Bildkontourkompensation
US5304854A (en) * 1992-02-03 1994-04-19 Rca Thomson Licensing Corporation Signal transient improvement circuit
US5369446A (en) * 1992-04-30 1994-11-29 Thomson Consumer Electronics, Inc. Video signal processor employing edge replacement, preshoots and overshoots for transient enhancement
DE4214949A1 (de) * 1992-05-06 1993-11-11 Nokia Deutschland Gmbh Anordnung zur zeitlichen Detektion einer Signalflanke eines auf einer Übertragungsleitung übertragenen elektrischen Signals
GB2273843B (en) * 1992-11-30 1996-11-27 Gold Star Co Apparatus and method for enhancing transient edge of video signal
DE4309351A1 (de) * 1993-03-23 1994-09-29 Nokia Deutschland Gmbh Eine Übertragungsanordnung einer bestimmten Übertragungsbandbreite mit einer nachgeschalteten Entzerreranordnung
WO2011141291A1 (en) * 2010-05-10 2011-11-17 Oce-Technologies B.V. Method to restore edges in rasterized images

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778543A (en) * 1972-09-05 1973-12-11 Ellanin Investments Predictive-retrospective method for bandwidth improvement
US4041531A (en) * 1974-07-05 1977-08-09 Rca Corporation Television signal processing apparatus including a transversal equalizer
US4241310A (en) * 1978-03-23 1980-12-23 The Bendix Corporation Delay line digital code detector
JPS5566183A (en) * 1978-11-14 1980-05-19 Sony Corp Video signal processor
US4307413A (en) * 1979-01-18 1981-12-22 Matsushita Electric Industrial Co., Ltd. Comb filter device
CH642211A5 (de) * 1979-03-08 1984-03-30 Siemens Ag Albis Korrekturschaltung zur verbesserung der konturenschaerfe von fernsehbildern.
IT1118625B (it) * 1979-05-11 1986-03-03 Cselt Centro Studi Lab Telecom Perfezionamenti agli equializzatori per trasmissione di segnali numeri ci
DE2939578A1 (de) * 1979-09-29 1981-04-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur trennung zweier frequenzbaender aus einem bandbegrenzten analogen signalgemisch
US4334237A (en) * 1980-02-07 1982-06-08 Rca Corporation Adaptive amplitude averaging for weighting quantizing noise
US4334244A (en) * 1980-07-28 1982-06-08 Magnavox Government And Industrial Electronics Company Adaptive image enhancement system
GB2087191B (en) * 1980-11-10 1984-10-31 Ampex A filter and system incorporating the filter for processing discrete of composite signals
US4419686A (en) * 1981-02-04 1983-12-06 Ampex Corporation Digital chrominance filter for digital component television system
US4355326A (en) * 1981-02-11 1982-10-19 Zenith Radio Corporation Bandwidth enhancement network for color television signals
JPS58136176A (ja) * 1982-02-05 1983-08-13 Pioneer Electronic Corp 輪郭補正回路

Also Published As

Publication number Publication date
IT1176474B (it) 1987-08-18
JPH0693780B2 (ja) 1994-11-16
AU573236B2 (en) 1988-06-02
CS269961B2 (en) 1990-05-14
AU3119684A (en) 1985-01-31
IT8422043A1 (it) 1986-01-25
ES8602332A1 (es) 1985-11-01
CS553084A2 (en) 1989-08-14
KR850000864A (ko) 1985-03-09
FI842926L (fi) 1985-01-28
FI76901B (fi) 1988-08-31
IT8422043A0 (it) 1984-07-25
DE3427669C2 (de) 1994-11-17
ES534491A0 (es) 1985-11-01
DE3427669A1 (de) 1985-02-07
FR2557410A1 (fr) 1985-06-28
FI76901C (fi) 1988-12-12
JPS6052186A (ja) 1985-03-25
GB8419101D0 (en) 1984-08-30
GB2144302A (en) 1985-02-27
PT78978A (en) 1984-08-01
KR920005219B1 (ko) 1992-06-29
ATA245184A (de) 1998-01-15
FR2557410B1 (fr) 1989-02-03
FI842926A0 (fi) 1984-07-20
AT404200B (de) 1998-09-25
PT78978B (en) 1986-06-09
CA1219338A (en) 1987-03-17
HK22793A (en) 1993-03-26

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000726