CA1048143A - Comb filter for video processing - Google Patents
Comb filter for video processingInfo
- Publication number
- CA1048143A CA1048143A CA247,557A CA247557A CA1048143A CA 1048143 A CA1048143 A CA 1048143A CA 247557 A CA247557 A CA 247557A CA 1048143 A CA1048143 A CA 1048143A
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- output
- signals
- delay
- color video
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims description 42
- 230000003111 delayed effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 238000009877 rendering Methods 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 238000000926 separation method 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/85—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
- H04N9/89—Time-base error compensation
- H04N9/893—Time-base error compensation using an analogue memory, e.g. a CCD shift register, the delay of which is controlled by a voltage controlled oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/559,401 US3996606A (en) | 1975-03-18 | 1975-03-18 | Comb filter for video processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1048143A true CA1048143A (en) | 1979-02-06 |
Family
ID=24233473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA247,557A Expired CA1048143A (en) | 1975-03-18 | 1976-03-10 | Comb filter for video processing |
Country Status (9)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110785A (en) * | 1977-05-03 | 1978-08-29 | Rca Corporation | Clock generator for video signal processing |
| US4150395A (en) * | 1977-09-26 | 1979-04-17 | Rca Corporation | Time base error correction system |
| JPS5831152B2 (ja) * | 1977-10-17 | 1983-07-04 | ソニー株式会社 | カラ−映像信号の処理回路 |
| US4195309A (en) * | 1978-12-04 | 1980-03-25 | Rca Corporation | Video processing system including comb filters |
| US4292648A (en) * | 1979-04-09 | 1981-09-29 | Ampex Corporation | Color corrector for a composite color video signal |
| US4286290A (en) * | 1979-08-20 | 1981-08-25 | Rca Corporation | Fast recovery squelch circuit for a video disc player |
| JPS56163374U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-06 | 1981-12-04 | ||
| JPS58201488A (ja) * | 1982-05-19 | 1983-11-24 | Sharp Corp | ビデオデイスク信号処理装置 |
| FR2563070B1 (fr) * | 1984-04-12 | 1989-03-31 | Pioneer Electronic Corp | Dispositif pour compenser une deviation par rapport a une base de temps dans un signal video composite |
| NL8700244A (nl) * | 1987-02-02 | 1988-09-01 | Philips Nv | Modulator met een kamfilter. |
| JP2738000B2 (ja) * | 1989-04-06 | 1998-04-08 | ソニー株式会社 | 映像信号処理装置 |
| DE19525804A1 (de) * | 1995-07-15 | 1997-01-16 | Philips Patentverwaltung | Kammfilteranordnung |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5225694B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-01-16 | 1977-07-09 | ||
| NL7205966A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-05-07 | 1972-11-09 | ||
| GB1426721A (en) * | 1972-04-19 | 1976-03-03 | Rca Corp | Line sequential colour television recording system |
| GB1431378A (en) * | 1972-04-19 | 1976-04-07 | Rca Corp | Colour information translating systems |
| NL7210324A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-07-26 | 1974-01-29 | ||
| US3820154A (en) * | 1972-08-25 | 1974-06-25 | Int Video Corp | Phased color under video recording and playback method and apparatus |
| GB1448143A (en) * | 1972-09-13 | 1976-09-02 | Matsushita Electric Ind Co Ltd | Video recording system |
| US3872497A (en) * | 1973-04-13 | 1975-03-18 | Rca Corp | Signal translating apparatus for composite signal subject to jitter |
| US3921202A (en) * | 1974-02-04 | 1975-11-18 | Int Video Corp | Videotape recorder and reproducer velocity compensator apparatus |
-
1975
- 1975-03-18 US US05/559,401 patent/US3996606A/en not_active Expired - Lifetime
-
1976
- 1976-03-10 CA CA247,557A patent/CA1048143A/en not_active Expired
- 1976-03-12 AU AU11958/76A patent/AU506854B2/en not_active Expired
- 1976-03-16 PL PL1976187968A patent/PL110024B1/pl unknown
- 1976-03-17 JP JP51029793A patent/JPS51117523A/ja active Granted
- 1976-03-17 GB GB10672/76A patent/GB1536223A/en not_active Expired
- 1976-03-17 FR FR7607708A patent/FR2305076A1/fr active Granted
- 1976-03-18 DE DE2611543A patent/DE2611543C3/de not_active Expired
-
1980
- 1980-05-15 HK HK271/80A patent/HK27180A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1536223A (en) | 1978-12-20 |
| FR2305076B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-07-16 |
| AU506854B2 (en) | 1980-01-24 |
| DE2611543A1 (de) | 1976-09-23 |
| AU1195876A (en) | 1977-09-15 |
| HK27180A (en) | 1980-05-23 |
| DE2611543C3 (de) | 1979-03-29 |
| PL110024B1 (en) | 1980-06-30 |
| FR2305076A1 (fr) | 1976-10-15 |
| JPS5513678B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-04-10 |
| JPS51117523A (en) | 1976-10-15 |
| DE2611543B2 (de) | 1978-07-27 |
| US3996606A (en) | 1976-12-07 |
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| JP2502499B2 (ja) | 映像信号処理装置 | |
| JPS6412156B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| GB2040135A (en) | Pal system colour video signal recording | |
| CA1131770A (en) | Video disc systems | |
| JPH0259675B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH01164191A (ja) | タイムベースコレクタ | |
| JPS6051834B2 (ja) | カラ−映像信号の記録装置 | |
| JPS5812793B2 (ja) | エイゾウシンゴウノ キロクサイセイキ |