PT77695B - Apparatus for frame-to-frame comb filtering - Google Patents
Apparatus for frame-to-frame comb filteringInfo
- Publication number
- PT77695B PT77695B PT77695A PT7769583A PT77695B PT 77695 B PT77695 B PT 77695B PT 77695 A PT77695 A PT 77695A PT 7769583 A PT7769583 A PT 7769583A PT 77695 B PT77695 B PT 77695B
- Authority
- PT
- Portugal
- Prior art keywords
- frame
- comb filtering
- filtering
- frame comb
- comb
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title 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)
- Filters That Use Time-Delay Elements (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
PT77695A PT77695A (en) | 1983-12-01 |
PT77695B true PT77695B (en) | 1986-03-27 |
Family
ID=27033888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT77695A PT77695B (en) | 1982-11-26 | 1983-11-21 | Apparatus for frame-to-frame comb filtering |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPH01286691A (sv) |
KR (1) | KR910007205B1 (sv) |
AT (1) | AT385165B (sv) |
AU (1) | AU567898B2 (sv) |
DE (1) | DE3342530C2 (sv) |
DK (1) | DK167420B1 (sv) |
ES (1) | ES8502595A1 (sv) |
FI (1) | FI75964C (sv) |
FR (1) | FR2536941B1 (sv) |
GB (1) | GB2130840B (sv) |
HK (1) | HK54589A (sv) |
IT (1) | IT1168973B (sv) |
NL (1) | NL8304056A (sv) |
NZ (1) | NZ206403A (sv) |
PT (1) | PT77695B (sv) |
SE (1) | SE453246B (sv) |
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 (en) * | 1988-12-28 | 1996-03-06 | Nec Home Electronics, Ltd. | Movement detection and Y/C separation circuit and method 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 |
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. |
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 |
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 FI FI834239A patent/FI75964C/sv not_active IP Right Cessation
- 1983-11-18 ES ES527375A patent/ES8502595A1/es not_active Expired
- 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 KR KR8305568A patent/KR910007205B1/ko not_active IP Right Cessation
- 1983-11-24 AT AT0413083A patent/AT385165B/de 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 NL NL8304056A patent/NL8304056A/nl not_active Application Discontinuation
- 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 |
---|---|
SE453246B (sv) | 1988-01-18 |
GB2130840B (en) | 1986-03-12 |
DE3342530A1 (de) | 1984-05-30 |
SE8306361D0 (sv) | 1983-11-17 |
DK541983D0 (da) | 1983-11-25 |
NL8304056A (nl) | 1984-06-18 |
FI834239A0 (fi) | 1983-11-18 |
ES527375A0 (es) | 1985-01-01 |
JPH0356038B2 (sv) | 1991-08-27 |
PT77695A (en) | 1983-12-01 |
ATA413083A (de) | 1987-07-15 |
AT385165B (de) | 1988-02-25 |
FI834239A (fi) | 1984-05-27 |
GB8331141D0 (en) | 1983-12-29 |
IT1168973B (it) | 1987-05-20 |
FR2536941B1 (fr) | 1988-08-26 |
HK54589A (en) | 1989-07-14 |
FI75964B (fi) | 1988-04-29 |
FI75964C (sv) | 1988-08-08 |
JPH01286691A (ja) | 1989-11-17 |
IT8323843A0 (it) | 1983-11-23 |
KR910007205B1 (en) | 1991-09-19 |
DK167420B1 (da) | 1993-10-25 |
FR2536941A1 (fr) | 1984-06-01 |
NZ206403A (en) | 1987-03-31 |
SE8306361L (sv) | 1984-05-27 |
AU2151083A (en) | 1984-05-31 |
DK541983A (da) | 1984-05-27 |
ES8502595A1 (es) | 1985-01-01 |
GB2130840A (en) | 1984-06-06 |
AU567898B2 (en) | 1987-12-10 |
DE3342530C2 (de) | 1989-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19990930 |