HK22497A - An image transition detector - Google Patents

An image transition detector

Info

Publication number
HK22497A
HK22497A HK22497A HK22497A HK22497A HK 22497 A HK22497 A HK 22497A HK 22497 A HK22497 A HK 22497A HK 22497 A HK22497 A HK 22497A HK 22497 A HK22497 A HK 22497A
Authority
HK
Hong Kong
Prior art keywords
transition detector
image transition
image
detector
transition
Prior art date
Application number
HK22497A
Other languages
English (en)
Inventor
Robert Francis Casey
Kirk Anthony Law
Original Assignee
Rca Thomson 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
Application filed by Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of HK22497A publication Critical patent/HK22497A/xx

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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • 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
    • H04N9/77—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)
HK22497A 1985-10-31 1997-02-27 An image transition detector HK22497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/793,644 US4656501A (en) 1985-10-31 1985-10-31 Image transition detector

Publications (1)

Publication Number Publication Date
HK22497A true HK22497A (en) 1997-02-27

Family

ID=25160443

Family Applications (1)

Application Number Title Priority Date Filing Date
HK22497A HK22497A (en) 1985-10-31 1997-02-27 An image transition detector

Country Status (7)

Country Link
US (1) US4656501A (xx)
EP (1) EP0221769B1 (xx)
JP (1) JP2750572B2 (xx)
KR (1) KR940011889B1 (xx)
DE (1) DE3684236D1 (xx)
HK (1) HK22497A (xx)
SG (1) SG27095G (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754322A (en) * 1985-09-30 1988-06-28 Hitachi, Ltd. YC-signal separation circuit responsive to magnitude of vertical correlation
US4814863A (en) * 1987-06-09 1989-03-21 Matsushita Electric Industrial Co., Ltd. Detection and concealing artifacts in combed video signals
GB8713531D0 (en) * 1987-06-10 1987-07-15 Questech Ltd Colour television decoding apparatus
US4847683A (en) * 1988-05-02 1989-07-11 Dubner Computer Systems, Inc. Diagonal correction in composite video decoder
DE3931904C2 (de) * 1989-09-25 1994-10-27 Broadcast Television Syst Verfahren zur Beseitigung von Restchrominanzsignalen
JPH0449781A (ja) * 1990-06-19 1992-02-19 Sony Corp テレビジョン画像表示装置
US6469741B2 (en) 1993-07-26 2002-10-22 Pixel Instruments Corp. Apparatus and method for processing television signals
WO2006129349A1 (ja) * 2005-05-31 2006-12-07 Fujitsu Limited データ受信装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061976A (en) 1973-04-11 1977-12-06 Nippon Steel Corporation Receivers for pulses of different widths
US4072984A (en) * 1975-04-14 1978-02-07 Thomson-Csf Laboratories, Inc. Chrominance-luminance separator
US4050084A (en) * 1976-07-14 1977-09-20 Cbs Inc. Comb filter for television signals having adaptive features
US4149181A (en) * 1977-09-02 1979-04-10 Gte Sylvania Incorporated Signal-dependent chrominance subcarrier filtering circuit
US4178609A (en) * 1977-10-25 1979-12-11 The Magnavox Company Comb filter having improved luminance response
NL7803910A (nl) * 1978-04-13 1979-10-16 Philips Nv Kamfilterschakeling.
JPS58121889A (ja) * 1982-01-14 1983-07-20 Victor Co Of Japan Ltd くし形フイルタ
US4682213A (en) * 1985-10-24 1987-07-21 Rca Corporation Magnitude independent hanging dot detector

Also Published As

Publication number Publication date
JP2750572B2 (ja) 1998-05-13
EP0221769A2 (en) 1987-05-13
SG27095G (en) 1995-08-18
US4656501A (en) 1987-04-07
KR940011889B1 (ko) 1994-12-27
JPS62112493A (ja) 1987-05-23
DE3684236D1 (de) 1992-04-16
KR870004615A (ko) 1987-05-11
EP0221769B1 (en) 1992-03-11
EP0221769A3 (en) 1988-08-31

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)