FI783733A - Undertryckande av stoerningar i krominanssignalen foerorsakade av luminanssignalen i ett behandlingssystem foer videosignaler - Google Patents

Undertryckande av stoerningar i krominanssignalen foerorsakade av luminanssignalen i ett behandlingssystem foer videosignaler

Info

Publication number
FI783733A
FI783733A FI783733A FI783733A FI783733A FI 783733 A FI783733 A FI 783733A FI 783733 A FI783733 A FI 783733A FI 783733 A FI783733 A FI 783733A FI 783733 A FI783733 A FI 783733A
Authority
FI
Finland
Prior art keywords
signals
behandling
underwriting
conditioning
chrome
Prior art date
Application number
FI783733A
Other languages
English (en)
Other versions
FI66104C (fi
FI66104B (fi
Inventor
David Dunlap Holmes
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 FI783733A publication Critical patent/FI783733A/fi
Application granted granted Critical
Publication of FI66104B publication Critical patent/FI66104B/fi
Publication of FI66104C publication Critical patent/FI66104C/fi

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)
FI783733A 1977-12-12 1978-12-05 Kretsarrangemang foer undertryckande av stoerningar foerorsakade av luminanssignalkomposanter i en krominanskanal FI66104C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85986377 1977-12-12
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 (3)

Publication Number Publication Date
FI783733A true FI783733A (fi) 1979-06-13
FI66104B FI66104B (fi) 1984-04-30
FI66104C FI66104C (fi) 1984-08-10

Family

ID=25331912

Family Applications (1)

Application Number Title Priority Date Filing Date
FI783733A FI66104C (fi) 1977-12-12 1978-12-05 Kretsarrangemang foer undertryckande av stoerningar foerorsakade av luminanssignalkomposanter i en krominanskanal

Country Status (17)

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

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
GB2010046B (en) 1982-06-09
JPS5493919A (en) 1979-07-25
NZ189145A (en) 1982-08-17
CA1115412A (en) 1981-12-29
HK51684A (en) 1984-06-22
SE7812514L (sv) 1979-06-13
GB2010046A (en) 1979-06-20
AU4223978A (en) 1979-06-21
SE438767B (sv) 1985-04-29
IT1192293B (it) 1988-03-31
FI66104C (fi) 1984-08-10
FR2411529B1 (fi) 1983-11-10
FR2411529A1 (fr) 1979-07-06
FI66104B (fi) 1984-04-30
AT377405B (de) 1985-03-25
NL7812051A (nl) 1979-06-14
JPS627755B2 (fi) 1987-02-19
BE872665A (fr) 1979-03-30
AU521555B2 (en) 1982-04-08
IT7830666A0 (it) 1978-12-06
DE2853610C2 (de) 1981-10-08
US4167020A (en) 1979-09-04
ATA885278A (de) 1984-07-15
ES475926A1 (es) 1979-05-01
DE2853610A1 (de) 1979-06-13
MY8500448A (en) 1985-12-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: RCA CORPORATION