FI894570A - Krets för kamfiltrering av PAL- och NTSC-videosignaler - Google Patents
Krets för kamfiltrering av PAL- och NTSC-videosignaler Download PDFInfo
- Publication number
- FI894570A FI894570A FI894570A FI894570A FI894570A FI 894570 A FI894570 A FI 894570A FI 894570 A FI894570 A FI 894570A FI 894570 A FI894570 A FI 894570A FI 894570 A FI894570 A FI 894570A
- Authority
- FI
- Finland
- Prior art keywords
- pal
- video signals
- circuit
- comb filtering
- comb
- 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)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883833692 DE3833692A1 (de) | 1988-10-04 | 1988-10-04 | Kammfilter zur trennung von leuchtdichtesignal und farbartsignal eines fbas-pal-signals |
DE3833692 | 1988-10-04 | ||
US07/261,522 US4961108A (en) | 1988-10-24 | 1988-10-24 | Circuitry for comb filtering PAL and NTSC video signals |
US26152288 | 1988-10-24 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI894570A0 FI894570A0 (sv) | 1989-09-27 |
FI894570A true FI894570A (sv) | 1990-04-05 |
FI92544B FI92544B (sv) | 1994-08-15 |
FI92544C FI92544C (sv) | 1994-11-25 |
Family
ID=25872841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI894570A FI92544C (sv) | 1988-10-04 | 1989-09-27 | Krets för kamfiltrering av PAL- och NTSC-videosignaler |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0362747B1 (sv) |
CN (1) | CN1021275C (sv) |
AT (1) | ATE146926T1 (sv) |
DE (1) | DE68927580T2 (sv) |
ES (1) | ES2096552T3 (sv) |
FI (1) | FI92544C (sv) |
SG (1) | SG64912A1 (sv) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5016092A (en) * | 1989-11-17 | 1991-05-14 | Rca Licensing Corporation | Control circuitry for an adaptive multistandard video comb filter |
US5005074A (en) * | 1989-11-17 | 1991-04-02 | Rca Licensing Corporation | Adaptive multistandard video comb filter |
US6134373A (en) * | 1990-08-17 | 2000-10-17 | Samsung Electronics Co., Ltd. | System for recording and reproducing a wide bandwidth video signal via a narrow bandwidth medium |
US6104863A (en) | 1990-08-17 | 2000-08-15 | Samsung Electronics Co., Ltd. | Video signal encoded with additional detail information |
KR930010928B1 (ko) * | 1990-08-17 | 1993-11-17 | 삼성전자 주식회사 | 비디오 신호 기록 및 재생장치 |
GB2328339B (en) * | 1997-02-14 | 2001-08-08 | Vistek Electronics Ltd | Video signal luminance and chrominance separation |
GB9703143D0 (en) | 1997-02-14 | 1997-04-02 | Vistek Electronics | An improved method of luminance and chrominance separation for video signals |
CN101605268B (zh) * | 2008-06-10 | 2011-02-16 | 凌阳科技股份有限公司 | 梳型滤波器上的边缘方向检测的系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4178609A (en) * | 1977-10-25 | 1979-12-11 | The Magnavox Company | Comb filter having improved luminance response |
JPS5632892A (en) * | 1979-06-18 | 1981-04-02 | Fernseh Inc | Digital code filtering system for pal type television signal |
BE882781A (nl) * | 1980-04-15 | 1980-07-31 | Barco Electronic N V | Werkwijze voor een ntsc kamfilter met verbeterde horizontale en vertikale resolutie |
JPS5925491A (ja) * | 1983-07-02 | 1984-02-09 | Hitachi Ltd | Pal信号のyc分離回路 |
JPS6019387A (ja) * | 1983-07-13 | 1985-01-31 | Matsushita Electric Ind Co Ltd | くし形フイルタ装置 |
JPS63180287A (ja) * | 1987-01-21 | 1988-07-25 | Toshiba Corp | 適応型輝度色度分離回路 |
-
1989
- 1989-09-27 FI FI894570A patent/FI92544C/sv active IP Right Grant
- 1989-09-30 DE DE68927580T patent/DE68927580T2/de not_active Expired - Fee Related
- 1989-09-30 ES ES89118182T patent/ES2096552T3/es not_active Expired - Lifetime
- 1989-09-30 AT AT89118182T patent/ATE146926T1/de not_active IP Right Cessation
- 1989-09-30 EP EP89118182A patent/EP0362747B1/en not_active Expired - Lifetime
- 1989-09-30 SG SG1996008027A patent/SG64912A1/en unknown
- 1989-10-03 CN CN89108361A patent/CN1021275C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1021275C (zh) | 1993-06-16 |
ATE146926T1 (de) | 1997-01-15 |
SG64912A1 (en) | 1999-05-25 |
CN1044375A (zh) | 1990-08-01 |
DE68927580D1 (de) | 1997-02-06 |
EP0362747B1 (en) | 1996-12-27 |
EP0362747A2 (en) | 1990-04-11 |
EP0362747A3 (en) | 1992-04-29 |
FI894570A0 (sv) | 1989-09-27 |
FI92544B (sv) | 1994-08-15 |
ES2096552T3 (es) | 1997-03-16 |
FI92544C (sv) | 1994-11-25 |
DE68927580T2 (de) | 1997-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
FG | Patent granted |
Owner name: RCA LICENSING CORPORATION |