FI66105C - Krets foer undertryckande av stoerningar i luminanssignal av faerg-tv - Google Patents

Krets foer undertryckande av stoerningar i luminanssignal av faerg-tv Download PDF

Info

Publication number: FI66105C
Authority: FI; Finland
Prior art keywords: signal; chrominance; detector; circuit according; signals
Prior art date: 1977-12-12

Application number

FI783734A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI66105B (fi

FI783734A7 (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.)

1977-12-12

Filing date

1978-12-05

Publication date

1984-08-10

1978-12-05 Application filed by Rca Corp filed Critical Rca Corp

1979-06-13 Publication of FI783734A7 publication Critical patent/FI783734A7/fi

1984-04-30 Publication of FI66105B publication Critical patent/FI66105B/fi

1984-08-10 Application granted granted Critical

1984-08-10 Publication of FI66105C publication Critical patent/FI66105C/fi

Links

230000003111 delayed effect Effects 0.000 claims description 23
238000012545 processing Methods 0.000 claims description 14
230000001419 dependent effect Effects 0.000 claims description 2
230000008878 coupling Effects 0.000 claims 2
238000010168 coupling process Methods 0.000 claims 2
238000005859 coupling reaction Methods 0.000 claims 2
239000004065 semiconductor Substances 0.000 claims 1
238000002834 transmittance Methods 0.000 claims 1
230000000903 blocking effect Effects 0.000 description 9
230000002238 attenuated effect Effects 0.000 description 6
230000002452 interceptive effect Effects 0.000 description 5
230000000875 corresponding effect Effects 0.000 description 4
239000013641 positive control Substances 0.000 description 4
230000000694 effects Effects 0.000 description 3
230000002829 reductive effect Effects 0.000 description 3
239000003086 colorant Substances 0.000 description 2
230000002301 combined effect Effects 0.000 description 2
230000002596 correlated effect Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000001360 synchronised effect Effects 0.000 description 2
230000002411 adverse Effects 0.000 description 1
239000003990 capacitor Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000011109 contamination Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
238000009499 grossing Methods 0.000 description 1
230000005923 long-lasting effect Effects 0.000 description 1
238000000034 method Methods 0.000 description 1
230000036961 partial effect Effects 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
230000010363 phase shift Effects 0.000 description 1
238000012552 review Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000010561 standard procedure Methods 0.000 description 1
230000001629 suppression Effects 0.000 description 1
238000010408 sweeping Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1

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)

FI783734A 1977-12-12 1978-12-05 Krets foer undertryckande av stoerningar i luminanssignal av faerg-tv FI66105C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US85992277		1977-12-12
US05/859,922 US4167021A (en)	1977-12-12	1977-12-12	Suppression of chrominance signal contamination of the luminance signal in a video signal processing system

Publications (3)

Publication Number	Publication Date
FI783734A7 FI783734A7 (fi)	1979-06-13
FI66105B FI66105B (fi)	1984-04-30
FI66105C true FI66105C (fi)	1984-08-10

Family

ID=25332060

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI783734A FI66105C (fi)	1977-12-12	1978-12-05	Krets foer undertryckande av stoerningar i luminanssignal av faerg-tv

Country Status (15)

Country	Link
US (1)	US4167021A (fr)
JP (1)	JPS5493920A (fr)
AT (1)	AT384336B (fr)
AU (1)	AU521444B2 (fr)
BE (1)	BE872664A (fr)
CA (1)	CA1110760A (fr)
DE (1)	DE2853611C2 (fr)
ES (1)	ES475928A1 (fr)
FI (1)	FI66105C (fr)
FR (1)	FR2411530A1 (fr)
GB (1)	GB2010045B (fr)
IT (1)	IT1192298B (fr)
NL (1)	NL7812050A (fr)
NZ (1)	NZ189144A (fr)
SE (1)	SE438937B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7803910A (nl) *	1978-04-13	1979-10-16	Philips Nv	Kamfilterschakeling.
DE3119653C2 (de) *	1981-05-16	1985-05-09	Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth	Verfahren zur dynamischen Cross-Color-Unterdrückung, vorzugsweise in Codern von Farbfernsehsignalquellen
US4506293A (en) *	1981-07-16	1985-03-19	Rca Corporation	Independent fleshtone contours
GB2127250B (en) *	1982-09-20	1986-04-09	British Broadcasting Corp	Colour video signal processing
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
US4636842A (en) *	1984-11-29	1987-01-13	Rca Corporation	Comb filter "hanging dot" eliminator
US4651196A (en) *	1985-03-19	1987-03-17	Rca Corporation	Adaptive control of the chrominance signal frequency response in a video signal processing system
US4616254A (en) *	1985-04-18	1986-10-07	Rca Corporation	Hanging dot reduction system
US4644387A (en) *	1985-04-25	1987-02-17	Rca Corporation	Plural input television receiver having peaking circuit and chrominance band reject filter in a video signal channel
US4689663A (en) *	1985-09-27	1987-08-25	Rca Corporation	Television receiver with display driver amplifier and input video filter having inversely related bandwidths
US4694331A (en) *	1985-10-01	1987-09-15	Rca Corporation	Vertical transition processor for a comb filter
JP2534747B2 (ja) *	1988-03-16	1996-09-18	株式会社日立製作所	Ｙ／ｃ分離回路
US5473390A (en) *	1995-01-31	1995-12-05	Thomson Consumer Electronics, Inc.	Component to composite video signal converter circuit
US7065140B1 (en) *	1999-10-06	2006-06-20	Fairchild Semiconductor Corporation	Method and apparatus for receiving video signals from a plurality of video cameras

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1908897B1 (de) *	1969-02-22	1970-07-02	Fernseh Gmbh	Steuerschaltung zur Beseitigung von Bildfehlern im Farbfernsehbild
US3836707A (en) *	1971-12-27	1974-09-17	Hitachi Ltd	Video signal processing device for extracting the chrominance and luminance signals from a composite video signal in a color television receiver
US3778543A (en) *	1972-09-05	1973-12-11	Ellanin Investments	Predictive-retrospective method for bandwidth improvement
JPS5412173B2 (fr) *	1973-10-31	1979-05-21
US3924266A (en) *	1974-08-30	1975-12-02	Rca Corp	Automatic luminance channel bandwidth control apparatus responsive to the amplitude of color image information
US3919714A (en) *	1974-10-21	1975-11-11	Rca Corp	Automatic peaking apparatus
JPS5173335A (en) *	1974-12-20	1976-06-25	Matsushita Electric Industrial Co Ltd	Karaaterebijonjuzoki
US4030121A (en) *	1975-12-02	1977-06-14	Faroudja Y C	Video crispener

1977
- 1977-12-12 US US05/859,922 patent/US4167021A/en not_active Expired - Lifetime
1978
- 1978-12-05 SE SE7812515A patent/SE438937B/sv not_active IP Right Cessation
- 1978-12-05 FI FI783734A patent/FI66105C/fi not_active IP Right Cessation
- 1978-12-05 CA CA317,413A patent/CA1110760A/fr not_active Expired
- 1978-12-06 AU AU42240/78A patent/AU521444B2/en not_active Expired
- 1978-12-06 GB GB7847343A patent/GB2010045B/en not_active Expired
- 1978-12-08 FR FR7834632A patent/FR2411530A1/fr active Granted
- 1978-12-11 BE BE192245A patent/BE872664A/fr not_active IP Right Cessation
- 1978-12-11 NZ NZ189144A patent/NZ189144A/xx unknown
- 1978-12-11 JP JP15360578A patent/JPS5493920A/ja active Pending
- 1978-12-11 NL NL7812050A patent/NL7812050A/xx not_active Application Discontinuation
- 1978-12-11 IT IT30707/78A patent/IT1192298B/it active
- 1978-12-12 AT AT0885478A patent/AT384336B/de not_active IP Right Cessation
- 1978-12-12 ES ES475928A patent/ES475928A1/es not_active Expired
- 1978-12-12 DE DE2853611A patent/DE2853611C2/de not_active Expired

Also Published As

Publication number	Publication date
ES475928A1 (es)	1979-04-16
IT1192298B (it)	1988-03-31
ATA885478A (de)	1987-03-15
FI66105B (fi)	1984-04-30
SE7812515L (sv)	1979-06-13
FI783734A7 (fi)	1979-06-13
DE2853611A1 (de)	1979-06-13
SE438937B (sv)	1985-05-13
AU521444B2 (en)	1982-04-01
DE2853611C2 (de)	1982-05-19
AT384336B (de)	1987-10-27
JPS5493920A (en)	1979-07-25
FR2411530B1 (fr)	1983-11-10
BE872664A (fr)	1979-03-30
NL7812050A (nl)	1979-06-14
GB2010045A (en)	1979-06-20
FR2411530A1 (fr)	1979-07-06
CA1110760A (fr)	1981-10-13
GB2010045B (en)	1982-06-30
IT7830707A0 (it)	1978-12-11
AU4224078A (en)	1979-06-21
NZ189144A (en)	1982-08-17
US4167021A (en)	1979-09-04

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: RCA CORPORATION

Publication	Publication Date	Title
US4179705A (en)	1979-12-18	Method and apparatus for separation of chrominance and luminance with adaptive comb filtering in a quadrature modulated color television system
FI66105C (fi)	1984-08-10	Krets foer undertryckande av stoerningar i luminanssignal av faerg-tv
US2851522A (en)	1958-09-09	Television
GB2112246A (en)	1983-07-13	Carrier colour signal processing circuits
US5268760A (en)	1993-12-07	Motion adaptive impulse noise reduction circuit
FI62446C (fi)	1982-12-10	Automatisk kontrollanordning foer frekvensaotergivning i en luinanskanal
SU1082344A3 (ru)	1984-03-23	Апертурный корректор известного телевизионного приемника
US4656502A (en)	1987-04-07	Color mixing or interference reduction circuit in color TV decoding circuits
KR850000960B1 (ko)	1985-06-29	색신호 처리회로
US7298404B2 (en)	2007-11-20	Contour-emphasizing device
CA1249879A (fr)	1989-02-07	Circuit de restitution de l'information detaillee verticale
FI66104B (fi)	1984-04-30	Kretsarrangemang foer undertryckande av stoerningar foerorsakade av luminanssignalkomposanter i en krominanskanal
US4456921A (en)	1984-06-26	Comb filtering for NTSC television signals
US4862252A (en)	1989-08-29	Y/C separator circuit for separating luminance and chrominance signals conditioned on an ac luminance component
KR910008922B1 (ko)	1991-10-24	디지탈 비디오 신호처리 회로
US3634615A (en)	1972-01-11	Cross-color eliminating apparatus for a television receiver
KR820002311B1 (ko)	1982-12-15	비데오 신호 처리장치
KR100230258B1 (ko)	1999-11-15	필터의 지연시간 및 흑백 반전을 개선한 비디오 기록매체 복사장치
JPH04108286A (ja)	1992-04-09	Ｙ／ｃ分離回路
KR100248991B1 (ko)	2000-03-15	휘도 및 색 신호 분리 방법 및 이를 수행하기 위한 휘도 및 색 신호 분리 회로
EP0073620A2 (fr)	1983-03-09	Détecteur FM à comptage
SU1188904A1 (ru)	1985-10-30	Устройство коррекции четкости и резкости телевизионных изображений
JP2609657B2 (ja)	1997-05-14	テレビジョン受信機
JP3019337B2 (ja)	2000-03-13	ビデオ信号処理装置
RU1818709C (ru)	1993-05-30	"Устройство дл коррекции перекрестных искажений типа " ркость-цветность"