IT1118459B - Circuito filtro a pettine per televisione a colori - Google Patents

Circuito filtro a pettine per televisione a colori

Info

Publication number: IT1118459B
Authority: IT; Italy
Prior art keywords: filter circuit; comb filter; color television; television; comb
Prior art date: 1978-04-13

Application number

IT67756/79A

Other languages

English (en)

Other versions

IT7967756A0 (it

Original Assignee

Philips Nv

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.)

1978-04-13

Filing date

1979-04-10

Publication date

1986-03-03

1979-04-10 Application filed by Philips Nv filed Critical Philips Nv

1979-04-10 Publication of IT7967756A0 publication Critical patent/IT7967756A0/it

1986-03-03 Application granted granted Critical

1986-03-03 Publication of IT1118459B publication Critical patent/IT1118459B/it

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)

IT67756/79A 1978-04-13 1979-04-10 Circuito filtro a pettine per televisione a colori IT1118459B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7803910A NL7803910A (nl)	1978-04-13	1978-04-13	Kamfilterschakeling.

Publications (2)

Publication Number	Publication Date
IT7967756A0 IT7967756A0 (it)	1979-04-10
IT1118459B true IT1118459B (it)	1986-03-03

Family

ID=19830644

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT67756/79A IT1118459B (it)	1978-04-13	1979-04-10	Circuito filtro a pettine per televisione a colori

Country Status (8)

Country	Link
US (1)	US4241363A (it)
JP (1)	JPS556988A (it)
CA (1)	CA1135836A (it)
DE (1)	DE2914146A1 (it)
FR (1)	FR2423104A1 (it)
GB (1)	GB2020139B (it)
IT (1)	IT1118459B (it)
NL (1)	NL7803910A (it)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0004457B2 (en) *	1978-03-29	1988-09-21	British Broadcasting Corporation	Processing method and circuit for PAL colour television signals
JPS603266B2 (ja) *	1979-09-12	1985-01-26	株式会社日立製作所	搬送色信号の位相調整方式
JPS5711589A (en) *	1980-06-24	1982-01-21	Nec Corp	Semiconductor device
JPS57111195A (en) *	1980-12-27	1982-07-10	Sony Corp	Picture filter
NL8104101A (nl) *	1981-09-04	1983-04-05	Philips Nv	Pal-kamfilter.
JPS5871783A (ja) *	1981-10-23	1983-04-28	Sony Corp	分離回路
GB2127250B (en) *	1982-09-20	1986-04-09	British Broadcasting Corp	Colour video signal processing
US4498099A (en) *	1982-11-26	1985-02-05	Rca Corporation	Apparatus for frame-to-frame comb filtering composite TV signal
SE453246B (sv) *	1982-11-26	1988-01-18	Rca Corp	Anordning och sett for bild-till-bildkamfiltrering av en sammansatt televisionssignal
US4498100A (en) *	1982-11-26	1985-02-05	Rca Corporation	Apparatus for frame-to-frame comb filtering composite TV signal
DE3245723A1 (de) *	1982-12-10	1984-06-14	Robert Bosch Gmbh, 7000 Stuttgart	Verfahren und schaltungsanordnung zur decodierung von farbfernsehsignalen
KR930004644B1 (en) *	1984-02-06	1993-06-02	Rca Licensing Corp	Comb filter
US4623913A (en) *	1984-04-13	1986-11-18	Rca Corporation	Progressive scan video processor
US4612567A (en) *	1984-05-03	1986-09-16	Rca Corporation	Television receiver using non-interlaced scanning format with vertical detail enhancement and motion compensation
US4583115A (en) *	1984-08-31	1986-04-15	General Electric Company	Circuit for and method of broadband comb filtering a composite video signal which has been double-side band detected
DE3435122A1 (de) *	1984-09-25	1986-04-03	Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover	Farbfernsehuebertragungssystem mit uebertragung von luminanzsignalen und tiefpassgefilterten chrominanzsignalen
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
US4617589A (en) *	1984-12-17	1986-10-14	Rca Corporation	Adaptive frame comb filter system
US4584599A (en) *	1984-12-19	1986-04-22	Scientific Atlanta, Inc.	Signal to noise ratio enhancement using baseband signals in an FM television system
US4616254A (en) *	1985-04-18	1986-10-07	Rca Corporation	Hanging dot reduction system
US4618882A (en) *	1985-04-18	1986-10-21	Rca Corporation	Digital correlation indicator and hanging dot reduction system employing same
JPS6248193A (ja) *	1985-08-27	1987-03-02	Nec Home Electronics Ltd	輪郭強調機能を備えたｙ／ｃ分離回路
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
US4682213A (en) *	1985-10-24	1987-07-21	Rca Corporation	Magnitude independent hanging dot detector
US4656501A (en)	1985-10-31	1987-04-07	Rca Corporation	Image transition detector
FR2595896B1 (fr) *	1986-03-17	1988-05-13	France Etat	Dispositif de decodage numerique de signaux de television a moyens adaptatifs de separation de la luminance et de la chrominance
GB8608811D0 (en) *	1986-04-11	1986-05-14	Avesco Plc	Video comb filter digital decoder
JPS63232782A (ja) *	1987-03-20	1988-09-28	Victor Co Of Japan Ltd	輝度信号一色差信号分離回路
US4814863A (en) *	1987-06-09	1989-03-21	Matsushita Electric Industrial Co., Ltd.	Detection and concealing artifacts in combed video signals
US4809060A (en) *	1987-09-10	1989-02-28	Rca Licensing Corporation	Hanging dot reduction arrangement
JPH01251980A (ja) *	1988-03-31	1989-10-06	Hitachi Ltd	ディジタル映像信号処理回路
JP2690991B2 (ja) *	1989-01-13	1997-12-17	株式会社日立製作所	Ｙ／ｃ分離回路
US20040155983A1 (en) *	2003-02-10	2004-08-12	Topper Robert J.	Reduced artifact luminance/chrominance (Y/C) separator for use in an NTSC decoder
US7679685B2 (en) *	2006-02-24	2010-03-16	Panasonic Automotive Systems of America division of Panasonic Corporation of North America	System and method for processing video signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4167021A (en) *	1977-12-12	1979-09-04	Rca Corporation	Suppression of chrominance signal contamination of the luminance signal in a video signal processing system

1978
- 1978-04-13 NL NL7803910A patent/NL7803910A/xx not_active Application Discontinuation
1979
- 1979-04-05 CA CA000324972A patent/CA1135836A/en not_active Expired
- 1979-04-07 DE DE19792914146 patent/DE2914146A1/de not_active Withdrawn
- 1979-04-09 US US06/027,957 patent/US4241363A/en not_active Expired - Lifetime
- 1979-04-10 GB GB7912547A patent/GB2020139B/en not_active Expired
- 1979-04-10 IT IT67756/79A patent/IT1118459B/it active
- 1979-04-13 FR FR7909494A patent/FR2423104A1/fr active Granted
- 1979-04-13 JP JP4446979A patent/JPS556988A/ja active Pending

Also Published As

Publication number	Publication date
GB2020139B (en)	1982-09-02
CA1135836A (en)	1982-11-16
JPS556988A (en)	1980-01-18
US4241363A (en)	1980-12-23
DE2914146A1 (de)	1979-10-25
NL7803910A (nl)	1979-10-16
FR2423104B1 (it)	1983-05-27
FR2423104A1 (fr)	1979-11-09
IT7967756A0 (it)	1979-04-10
GB2020139A (en)	1979-11-07

Publication	Publication Date	Title
IT1118459B (it)	1986-03-03	Circuito filtro a pettine per televisione a colori
IT1110501B (it)	1985-12-23	Circuito di filtro passa-banda a inseguimento
GB2027223B (en)	1982-08-18	Optical interference filter
JPS54137357A (en)	1979-10-25	Near infrared absorbing filter for color television camera
GB2017530B (en)	1982-09-02	Air filter element
GB2133653B (en)	1985-03-06	Color filter
AT373503B (de)	1984-01-25	Druckfilter
AT376904B (de)	1985-01-25	Druckfilter
IT1131789B (it)	1986-06-25	Circuito di equlizzazione per filtri a pettine
IT7868950A0 (it)	1978-08-22	Dispositivo visualizzatore per televisione a colori
AT378648B (de)	1985-09-10	Farbfernsehkamera
JPS54123869A (en)	1979-09-26	Color camera
IT1130636B (it)	1986-06-18	Circuito di compensazione di difetti per televisione a colori
GB2027925B (en)	1983-01-19	Optical filters
GB2020187B (en)	1982-07-28	Filter element
ATA504879A (de)	1984-12-15	Farbfernsehkamera
JPS54114254A (en)	1979-09-06	Color filter arraging structure using light fading color
IT1122449B (it)	1986-04-23	Circuito di filtro passa-banda
JPS5527797A (en)	1980-02-28	Comb type filtering device
IT1129473B (it)	1986-06-04	Dispositivo di demodulazione di frequenza particolarmente per televisori a colori
BE877065A (fr)	1979-12-18	Camera de television
IT7968793A0 (it)	1979-09-10	Telecamera per riprese televisive a colori
IT1118793B (it)	1986-03-03	Circuito selettore di colori per televisione a colori
DE2960806D1 (de)	1981-12-03	Diascope for a television camera
IT8068703A0 (it)	1980-11-06	Circuito a matrice per televisori a colori