FI75964C - Apparat foer kamfiltrering av en sammansatt tv-signal fraon bildarea till bildarea. - Google Patents
Apparat foer kamfiltrering av en sammansatt tv-signal fraon bildarea till bildarea. Download PDFInfo
- Publication number
- FI75964C FI75964C FI834239A FI834239A FI75964C FI 75964 C FI75964 C FI 75964C FI 834239 A FI834239 A FI 834239A FI 834239 A FI834239 A FI 834239A FI 75964 C FI75964 C FI 75964C
- Authority
- FI
- Finland
- Prior art keywords
- signal
- component
- comb
- chrominance
- luminance
- Prior art date
Links
- 230000033001 locomotion Effects 0.000 claims description 53
- 238000001914 filtration Methods 0.000 claims description 17
- 230000003111 delayed effect Effects 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 108091006146 Channels Proteins 0.000 description 1
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 1
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 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 | ||
| US44438182 | 1982-11-26 | ||
| US06/444,381 US4498099A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
| US06/444,724 US4498100A (en) | 1982-11-26 | 1982-11-26 | Apparatus for frame-to-frame comb filtering composite TV signal |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI834239A0 FI834239A0 (fi) | 1983-11-18 |
| FI834239A FI834239A (fi) | 1984-05-27 |
| FI75964B FI75964B (fi) | 1988-04-29 |
| FI75964C true FI75964C (fi) | 1988-08-08 |
Family
ID=27033888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI834239A FI75964C (fi) | 1982-11-26 | 1983-11-18 | Apparat foer kamfiltrering av en sammansatt tv-signal fraon bildarea till bildarea. |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPH01286691A (fr) |
| KR (1) | KR910007205B1 (fr) |
| AT (1) | AT385165B (fr) |
| AU (1) | AU567898B2 (fr) |
| DE (1) | DE3342530C2 (fr) |
| DK (1) | DK167420B1 (fr) |
| ES (1) | ES8502595A1 (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 |
| EP0376330B1 (fr) * | 1988-12-28 | 1996-03-06 | Nec Home Electronics, Ltd. | Circuit et méthode de détection de mouvement et de séparation Y/C pour la détection de mouvement dans une image d'affichage télévision |
| 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 |
| DE2810697C2 (de) * | 1978-03-11 | 1987-01-08 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur Trennung des Farbartsignals vom Leuchtdichtesignal bei Farbfernsehsignalen mit quadraturmodulierten Farbhilfsträgern |
| NL7803910A (nl) * | 1978-04-13 | 1979-10-16 | Philips Nv | Kamfilterschakeling. |
| US4245237A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Controllable non-linear processing of video signals |
| US4245238A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Non-linear processing of video image vertical detail information |
| DE3007520C2 (de) * | 1980-02-28 | 1987-04-16 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur Demodulation eines quadraturmodulierten und danach digitalisierten Farbfernsehsignals |
| 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 AU AU21510/83A patent/AU567898B2/en not_active Ceased
- 1983-11-18 FI FI834239A patent/FI75964C/fi not_active IP Right Cessation
- 1983-11-18 ES ES527375A patent/ES8502595A1/es not_active Expired
- 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 DE3342530A patent/DE3342530C2/de not_active Expired
- 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
- 1983-11-25 NL NL8304056A patent/NL8304056A/nl not_active Application Discontinuation
-
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 |
|---|---|
| HK54589A (en) | 1989-07-14 |
| AU2151083A (en) | 1984-05-31 |
| IT1168973B (it) | 1987-05-20 |
| FR2536941A1 (fr) | 1984-06-01 |
| FI834239A0 (fi) | 1983-11-18 |
| FI75964B (fi) | 1988-04-29 |
| ES527375A0 (es) | 1985-01-01 |
| GB2130840A (en) | 1984-06-06 |
| PT77695A (en) | 1983-12-01 |
| IT8323843A0 (it) | 1983-11-23 |
| GB8331141D0 (en) | 1983-12-29 |
| DK541983D0 (da) | 1983-11-25 |
| DE3342530C2 (de) | 1989-03-16 |
| SE453246B (sv) | 1988-01-18 |
| PT77695B (en) | 1986-03-27 |
| NL8304056A (nl) | 1984-06-18 |
| FI834239A (fi) | 1984-05-27 |
| JPH0356038B2 (fr) | 1991-08-27 |
| DK167420B1 (da) | 1993-10-25 |
| AT385165B (de) | 1988-02-25 |
| SE8306361D0 (sv) | 1983-11-17 |
| KR910007205B1 (en) | 1991-09-19 |
| NZ206403A (en) | 1987-03-31 |
| DE3342530A1 (de) | 1984-05-30 |
| GB2130840B (en) | 1986-03-12 |
| FR2536941B1 (fr) | 1988-08-26 |
| DK541983A (da) | 1984-05-27 |
| JPH01286691A (ja) | 1989-11-17 |
| ATA413083A (de) | 1987-07-15 |
| AU567898B2 (en) | 1987-12-10 |
| SE8306361L (sv) | 1984-05-27 |
| ES8502595A1 (es) | 1985-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: RCA LICENSING CORPORATION |