IT1078036B - Apparato per l'elaborazione di segnali video,comprendente un filtro a pettine - Google Patents

Apparato per l'elaborazione di segnali video,comprendente un filtro a pettine

Info

Publication number
IT1078036B
IT1078036B IT22255/77A IT2225577A IT1078036B IT 1078036 B IT1078036 B IT 1078036B IT 22255/77 A IT22255/77 A IT 22255/77A IT 2225577 A IT2225577 A IT 2225577A IT 1078036 B IT1078036 B IT 1078036B
Authority
IT
Italy
Prior art keywords
processing
video signals
comb filter
comb
filter
Prior art date
Application number
IT22255/77A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1078036B publication Critical patent/IT1078036B/it

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
    • 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)
  • Filters That Use Time-Delay Elements (AREA)
IT22255/77A 1976-04-19 1977-04-07 Apparato per l'elaborazione di segnali video,comprendente un filtro a pettine IT1078036B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67839476A 1976-04-19 1976-04-19

Publications (1)

Publication Number Publication Date
IT1078036B true IT1078036B (it) 1985-05-08

Family

ID=24722596

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22255/77A IT1078036B (it) 1976-04-19 1977-04-07 Apparato per l'elaborazione di segnali video,comprendente un filtro a pettine

Country Status (6)

Country Link
US (1) US4143397A (it)
JP (1) JPS52127715A (it)
DE (1) DE2717253C3 (it)
FR (1) FR2349250A1 (it)
GB (1) GB1576551A (it)
IT (1) IT1078036B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167020A (en) * 1977-12-12 1979-09-04 Rca Corporation Suppression of luminance signal contamination of chrominance signals in a video signal processing system
DE2854236C2 (de) * 1978-12-15 1982-06-09 Deutsche Itt Industries Gmbh, 7800 Freiburg Farbfernsehempfänger mit mindestens teilweise digitaler Signalverarbeitung und mit mindestens einer integrierten Schaltung für das Luminanzsignal und die Chrominanzsignale
JPS55121735A (en) * 1979-03-12 1980-09-19 Matsushita Electric Ind Co Ltd Comb-line filter
US4245237A (en) * 1979-05-11 1981-01-13 Rca Corporation Controllable non-linear processing of video signals
GB2049347B (en) * 1979-05-11 1983-04-27 Rca Corp Video signal processing circuit having a nonlinear transfer function
US4223339A (en) * 1979-05-11 1980-09-16 Rca Corporation Video image vertical detail restoration and enhancement
US4445152A (en) * 1980-09-02 1984-04-24 Karlock James A Video detail enhancing circuit
US4402006A (en) * 1981-02-23 1983-08-30 Karlock James A Image enhancer apparatus
JPS57160288A (en) * 1981-03-30 1982-10-02 Sony Corp Processing circuit for chrominance signal
US4365266A (en) * 1981-04-20 1982-12-21 Rca Corporation Horizontal and vertical image detail processing of a color television signal
JPS5883487A (ja) * 1981-11-13 1983-05-19 Sony Corp テレビジヨン受像機
DE3314291C1 (de) * 1983-04-20 1984-08-16 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Farbsignaltrennschaltung zur Rückgewinnung der beiden farbträgerfrequenten Farbsignalkomponenten mit einer Anordnung zur Amplitudeneinstellung des Farbsynchronsignals
US4626894A (en) * 1984-10-04 1986-12-02 Rca Corporation Signal filtering system having adaptively cascaded filter stages for developing a variable bandwidth frequency characteristic
US4651196A (en) * 1985-03-19 1987-03-17 Rca Corporation Adaptive control of the chrominance signal frequency response in a video signal processing system
US4684976A (en) * 1985-04-18 1987-08-04 Mitsubishi Denki Kabushiki Kaisha Feedback comb-type filter
JPS641393A (en) * 1987-06-23 1989-01-05 Victor Co Of Japan Ltd Voltage control type comb-line filter
JP2690991B2 (ja) * 1989-01-13 1997-12-17 株式会社日立製作所 Ｙ／ｃ分離回路
JPH06284441A (ja) * 1993-03-30 1994-10-07 Toshiba Corp クシ型フィルタ回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2053513C3 (de) * 1970-10-31 1975-08-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Anordnung zur Vermeidung des Auflösungsverlustes in Vertikalrichtung eines Farbfernsehbildes
DE2263678B2 (de) * 1971-12-27 1976-04-29 Hitachi, Ltd., Tokio Schaltung zur auftrennung des ntsc-farbfernsehsignals
JPS5416835B2 (it) * 1973-10-31 1979-06-25
JPS5412173B2 (it) * 1973-10-31 1979-05-21

Also Published As

Publication number Publication date
GB1576551A (en) 1980-10-08
DE2717253B2 (de) 1979-09-06
US4143397A (en) 1979-03-06
FR2349250A1 (fr) 1977-11-18
JPS52127715A (en) 1977-10-26
FR2349250B1 (it) 1982-11-19
DE2717253C3 (de) 1980-05-14
DE2717253A1 (de) 1977-10-27
JPS628994B2 (it) 1987-02-25

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960426