NL7803910A - Kamfilterschakeling. - Google Patents
Kamfilterschakeling.Info
- Publication number
- NL7803910A NL7803910A NL7803910A NL7803910A NL7803910A NL 7803910 A NL7803910 A NL 7803910A NL 7803910 A NL7803910 A NL 7803910A NL 7803910 A NL7803910 A NL 7803910A NL 7803910 A NL7803910 A NL 7803910A
- Authority
- NL
- Netherlands
- Prior art keywords
- filter circuit
- comb filter
- comb
- circuit
- filter
- Prior art date
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)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7803910A NL7803910A (nl) | 1978-04-13 | 1978-04-13 | Kamfilterschakeling. |
CA000324972A CA1135836A (en) | 1978-04-13 | 1979-04-05 | Comb filter circuit |
DE19792914146 DE2914146A1 (de) | 1978-04-13 | 1979-04-07 | Kammfilterschaltung |
US06/027,957 US4241363A (en) | 1978-04-13 | 1979-04-09 | Comb filter circuit |
GB7912547A GB2020139B (en) | 1978-04-13 | 1979-04-10 | Comb niter circuit for colour television |
IT67756/79A IT1118459B (it) | 1978-04-13 | 1979-04-10 | Circuito filtro a pettine per televisione a colori |
JP4446979A JPS556988A (en) | 1978-04-13 | 1979-04-13 | Comb shape filter circuit |
FR7909494A FR2423104A1 (fr) | 1978-04-13 | 1979-04-13 | Circuit de filtrage en peigne |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7803910A NL7803910A (nl) | 1978-04-13 | 1978-04-13 | Kamfilterschakeling. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7803910A true NL7803910A (nl) | 1979-10-16 |
Family
ID=19830644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7803910A NL7803910A (nl) | 1978-04-13 | 1978-04-13 | Kamfilterschakeling. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4241363A (nl) |
JP (1) | JPS556988A (nl) |
CA (1) | CA1135836A (nl) |
DE (1) | DE2914146A1 (nl) |
FR (1) | FR2423104A1 (nl) |
GB (1) | GB2020139B (nl) |
IT (1) | IT1118459B (nl) |
NL (1) | NL7803910A (nl) |
Families Citing this family (36)
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 |
US4498100A (en) * | 1982-11-26 | 1985-02-05 | Rca Corporation | Apparatus for frame-to-frame comb filtering composite TV signal |
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 |
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)
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/nl 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 IT IT67756/79A patent/IT1118459B/it active
- 1979-04-10 GB GB7912547A patent/GB2020139B/en not_active Expired
- 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 |
---|---|
CA1135836A (en) | 1982-11-16 |
GB2020139A (en) | 1979-11-07 |
IT1118459B (it) | 1986-03-03 |
FR2423104B1 (nl) | 1983-05-27 |
DE2914146A1 (de) | 1979-10-25 |
US4241363A (en) | 1980-12-23 |
FR2423104A1 (fr) | 1979-11-09 |
JPS556988A (en) | 1980-01-18 |
GB2020139B (en) | 1982-09-02 |
IT7967756A0 (it) | 1979-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |