IT7830666A0 - Apparato per la soppressione della contaminazione dei segnali di crominanza da parte del segnale di luminanza in un sistema di elaborazione di segnali video. - Google Patents

Apparato per la soppressione della contaminazione dei segnali di crominanza da parte del segnale di luminanza in un sistema di elaborazione di segnali video.

Info

Publication number
IT7830666A0
IT7830666A0 IT7830666A IT3066678A IT7830666A0 IT 7830666 A0 IT7830666 A0 IT 7830666A0 IT 7830666 A IT7830666 A IT 7830666A IT 3066678 A IT3066678 A IT 3066678A IT 7830666 A0 IT7830666 A0 IT 7830666A0
Authority
IT
Italy
Prior art keywords
suppression
contamination
processing system
chroma signals
signal processing
Prior art date
Application number
IT7830666A
Other languages
English (en)
Other versions
IT1192293B (it
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 IT7830666A0 publication Critical patent/IT7830666A0/it
Application granted granted Critical
Publication of IT1192293B publication Critical patent/IT1192293B/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)
IT30666/78A 1977-12-12 1978-12-06 Apparato per la soppressione della contaminazione dei segnali di crominanza da parte del segnale di luminanza in un sistema di elaborazione di segnali video IT1192293B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/859,863 US4167020A (en) 1977-12-12 1977-12-12 Suppression of luminance signal contamination of chrominance signals in a video signal processing system

Publications (2)

Publication Number Publication Date
IT7830666A0 true IT7830666A0 (it) 1978-12-06
IT1192293B IT1192293B (it) 1988-03-31

Family

ID=25331912

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30666/78A IT1192293B (it) 1977-12-12 1978-12-06 Apparato per la soppressione della contaminazione dei segnali di crominanza da parte del segnale di luminanza in un sistema di elaborazione di segnali video

Country Status (17)

Country Link
US (1) US4167020A (it)
JP (1) JPS5493919A (it)
AT (1) AT377405B (it)
AU (1) AU521555B2 (it)
BE (1) BE872665A (it)
CA (1) CA1115412A (it)
DE (1) DE2853610C2 (it)
ES (1) ES475926A1 (it)
FI (1) FI66104C (it)
FR (1) FR2411529A1 (it)
GB (1) GB2010046B (it)
HK (1) HK51684A (it)
IT (1) IT1192293B (it)
MY (1) MY8500448A (it)
NL (1) NL7812051A (it)
NZ (1) NZ189145A (it)
SE (1) SE438767B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127250B (en) * 1982-09-20 1986-04-09 British Broadcasting Corp Colour video signal processing
US4706112A (en) * 1986-01-31 1987-11-10 Faroudja Laboratories, Inc. Cross color suppression for quadrature modulated color television
CA1303727C (en) * 1987-08-28 1992-06-16 Institut National De La Recherche Scientifique Apparatus and method for encoding and decoding a ntsc color video signal
JPH01103391A (ja) * 1987-10-16 1989-04-20 Sharp Corp 垂直色擬似信号消去回路
US5150203A (en) * 1990-12-26 1992-09-22 The Grass Valley Group, Inc. Variable chrominance filtering for encoding television signals
FI92129C (fi) * 1992-08-20 1994-09-26 Salon Televisiotehdas Oy Kytkentäjärjestely ristivärin detektoimiseen
US5512958A (en) * 1994-04-29 1996-04-30 Matsushita Electric Corporation Of America System for controlling the effects of noise in television receivers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580148A (en) * 1947-12-09 1951-12-25 Collins Radio Co Antinoise carrier receiving system
DE1437744A1 (de) * 1965-07-15 1968-10-31 Eisenmann Dr Hans Verfahren zum Verhindern von Farbfehlern bei Farbfernsehuebertragungssystemen durch UEbersprechen des Helligkeitssignals in den Farbkanal
DE2263678B2 (de) * 1971-12-27 1976-04-29 Hitachi, Ltd., Tokio Schaltung zur auftrennung des ntsc-farbfernsehsignals
US3778543A (en) * 1972-09-05 1973-12-11 Ellanin Investments Predictive-retrospective method for bandwidth improvement
DE2411296C3 (de) * 1974-03-09 1978-04-13 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Dämpfung der Amplitude von Signalanteilen im Leuchtdichtesignal, welche im Frequenzbereich eines hinzufügenden Farbträgersignals liegen
US4030121A (en) * 1975-12-02 1977-06-14 Faroudja Y C Video crispener
US4143397A (en) * 1976-04-19 1979-03-06 Rca Corporation Comb filter apparatus

Also Published As

Publication number Publication date
FI66104B (fi) 1984-04-30
GB2010046B (en) 1982-06-09
JPS5493919A (en) 1979-07-25
SE438767B (sv) 1985-04-29
US4167020A (en) 1979-09-04
NL7812051A (nl) 1979-06-14
DE2853610A1 (de) 1979-06-13
AU521555B2 (en) 1982-04-08
DE2853610C2 (de) 1981-10-08
IT1192293B (it) 1988-03-31
ES475926A1 (es) 1979-05-01
FR2411529A1 (fr) 1979-07-06
FR2411529B1 (it) 1983-11-10
CA1115412A (en) 1981-12-29
FI66104C (fi) 1984-08-10
MY8500448A (en) 1985-12-31
HK51684A (en) 1984-06-22
NZ189145A (en) 1982-08-17
SE7812514L (sv) 1979-06-13
AT377405B (de) 1985-03-25
AU4223978A (en) 1979-06-21
ATA885278A (de) 1984-07-15
BE872665A (fr) 1979-03-30
JPS627755B2 (it) 1987-02-19
GB2010046A (en) 1979-06-20
FI783733A (fi) 1979-06-13

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