DK167420B1 - Kamfilter til behandling af fjernsynssignaler og fremgangsmaade til kamfiltrering af fjernsynssignaler - Google Patents
Kamfilter til behandling af fjernsynssignaler og fremgangsmaade til kamfiltrering af fjernsynssignaler Download PDFInfo
- Publication number
- DK167420B1 DK167420B1 DK541983A DK541983A DK167420B1 DK 167420 B1 DK167420 B1 DK 167420B1 DK 541983 A DK541983 A DK 541983A DK 541983 A DK541983 A DK 541983A DK 167420 B1 DK167420 B1 DK 167420B1
- Authority
- DK
- Denmark
- Prior art keywords
- signal
- chrominance
- component
- combining
- comb
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 13
- 230000003111 delayed effect Effects 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 7
- 238000011084 recovery Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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)
- Color Television Systems (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44472482 | 1982-11-26 | ||
| US06/444,724 US4498100A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
| US06/444,381 US4498099A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
| US44438182 | 1982-11-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK541983D0 DK541983D0 (da) | 1983-11-25 |
| DK541983A DK541983A (da) | 1984-05-27 |
| DK167420B1 true DK167420B1 (da) | 1993-10-25 |
Family
ID=27033888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK541983A DK167420B1 (da) | 1982-11-26 | 1983-11-25 | Kamfilter til behandling af fjernsynssignaler og fremgangsmaade til kamfiltrering af fjernsynssignaler |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPH01286691A (fr) |
| KR (1) | KR910007205B1 (fr) |
| AT (1) | AT385165B (fr) |
| AU (1) | AU567898B2 (fr) |
| DE (1) | DE3342530A1 (fr) |
| DK (1) | DK167420B1 (fr) |
| ES (1) | ES527375A0 (fr) |
| FI (1) | FI75964C (fr) |
| FR (1) | FR2536941B1 (fr) |
| GB (1) | GB2130840B (fr) |
| HK (1) | HK54589A (fr) |
| IT (1) | IT1168973B (fr) |
| NL (1) | NL8304056A (fr) |
| NZ (1) | NZ206403A (fr) |
| PT (1) | PT77695B (fr) |
| SE (1) | SE453246B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612567A (en) * | 1984-05-03 | 1986-09-16 | Rca Corporation | Television receiver using non-interlaced scanning format with vertical detail enhancement and motion compensation |
| US4710801A (en) * | 1985-04-29 | 1987-12-01 | International Business Machines Corporation | System for decomposition of NTSC color video signals using two frame buffers |
| FR2625061A1 (fr) * | 1987-12-18 | 1989-06-23 | Thomson Grand Public | Separateur de signaux de luminance et de chrominance d'un signal video composite pal ou secam |
| US5032914A (en) * | 1988-12-28 | 1991-07-16 | Nec Home Electronics Ltd. | Movement detection and y/c separation circuit for detecting a movement in a television display picture |
| DE3900490A1 (de) * | 1989-01-10 | 1990-07-12 | Broadcast Television Syst | Schaltungsanordnung zur decodierung von farbfernsehsignalen |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107736A (en) * | 1971-12-20 | 1978-08-15 | Image Transform, Inc. | Noise reduction system for video signals |
| US4096516A (en) * | 1977-03-25 | 1978-06-20 | Rca Corporation | Electronic signal processing apparatus |
| DE2810697A1 (de) * | 1978-03-11 | 1979-09-20 | Bosch Gmbh Robert | Verfahren zur trennung des farbartsignals vom leuchtdichtesignal bei farbfernsehsignalen mit quadraturmodulierten farbhilfstraegern |
| NL7803910A (nl) * | 1978-04-13 | 1979-10-16 | Philips Nv | Kamfilterschakeling. |
| US4245238A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Non-linear processing of video image vertical detail information |
| US4245237A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Controllable non-linear processing of video signals |
| DE3007520A1 (de) * | 1980-02-28 | 1981-09-17 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur demodulation eines quadraturmodulierten und danach digitalisierten farbfernsehsignale |
| JPS56153892A (en) * | 1980-04-28 | 1981-11-28 | Sony Corp | Comb type filter |
| GB2078054B (en) * | 1980-06-02 | 1985-03-06 | British Broadcasting Corp | Pal decoding |
| US4351003A (en) * | 1981-04-20 | 1982-09-21 | Rca Corporation | Automatic video signal peaking control |
-
1983
- 1983-11-17 SE SE8306361A patent/SE453246B/sv not_active IP Right Cessation
- 1983-11-18 ES ES527375A patent/ES527375A0/es active Granted
- 1983-11-18 FI FI834239A patent/FI75964C/fi not_active IP Right Cessation
- 1983-11-18 AU AU21510/83A patent/AU567898B2/en not_active Ceased
- 1983-11-21 PT PT77695A patent/PT77695B/pt not_active IP Right Cessation
- 1983-11-22 GB GB08331141A patent/GB2130840B/en not_active Expired
- 1983-11-23 IT IT23843/83A patent/IT1168973B/it active
- 1983-11-24 AT AT0413083A patent/AT385165B/de not_active IP Right Cessation
- 1983-11-24 KR KR8305568A patent/KR910007205B1/ko not_active IP Right Cessation
- 1983-11-24 DE DE19833342530 patent/DE3342530A1/de active Granted
- 1983-11-25 NL NL8304056A patent/NL8304056A/nl not_active Application Discontinuation
- 1983-11-25 NZ NZ206403A patent/NZ206403A/en unknown
- 1983-11-25 DK DK541983A patent/DK167420B1/da not_active IP Right Cessation
- 1983-11-25 FR FR8318861A patent/FR2536941B1/fr not_active Expired
-
1988
- 1988-12-20 JP JP63323185A patent/JPH01286691A/ja active Granted
-
1989
- 1989-07-06 HK HK545/89A patent/HK54589A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK541983A (da) | 1984-05-27 |
| AU567898B2 (en) | 1987-12-10 |
| ES8502595A1 (es) | 1985-01-01 |
| KR910007205B1 (en) | 1991-09-19 |
| DE3342530C2 (fr) | 1989-03-16 |
| JPH01286691A (ja) | 1989-11-17 |
| FI75964C (fi) | 1988-08-08 |
| GB8331141D0 (en) | 1983-12-29 |
| DK541983D0 (da) | 1983-11-25 |
| IT1168973B (it) | 1987-05-20 |
| FR2536941B1 (fr) | 1988-08-26 |
| JPH0356038B2 (fr) | 1991-08-27 |
| DE3342530A1 (de) | 1984-05-30 |
| AT385165B (de) | 1988-02-25 |
| AU2151083A (en) | 1984-05-31 |
| FI834239A0 (fi) | 1983-11-18 |
| ES527375A0 (es) | 1985-01-01 |
| GB2130840A (en) | 1984-06-06 |
| SE8306361L (sv) | 1984-05-27 |
| PT77695A (en) | 1983-12-01 |
| FI834239A (fi) | 1984-05-27 |
| SE453246B (sv) | 1988-01-18 |
| GB2130840B (en) | 1986-03-12 |
| IT8323843A0 (it) | 1983-11-23 |
| NZ206403A (en) | 1987-03-31 |
| FR2536941A1 (fr) | 1984-06-01 |
| HK54589A (en) | 1989-07-14 |
| FI75964B (fi) | 1988-04-29 |
| NL8304056A (nl) | 1984-06-18 |
| SE8306361D0 (sv) | 1983-11-17 |
| ATA413083A (de) | 1987-07-15 |
| PT77695B (en) | 1986-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |