DE3684236D1 - Bilduebergangsdetektor. - Google Patents
Bilduebergangsdetektor.Info
- Publication number
- DE3684236D1 DE3684236D1 DE8686308433T DE3684236T DE3684236D1 DE 3684236 D1 DE3684236 D1 DE 3684236D1 DE 8686308433 T DE8686308433 T DE 8686308433T DE 3684236 T DE3684236 T DE 3684236T DE 3684236 D1 DE3684236 D1 DE 3684236D1
- Authority
- DE
- Germany
- Prior art keywords
- transition detector
- image transition
- image
- detector
- transition
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
-
- 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
-
- 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)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/793,644 US4656501A (en) | 1985-10-31 | 1985-10-31 | Image transition detector |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3684236D1 true DE3684236D1 (de) | 1992-04-16 |
Family
ID=25160443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686308433T Expired - Fee Related DE3684236D1 (de) | 1985-10-31 | 1986-10-29 | Bilduebergangsdetektor. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4656501A (de) |
EP (1) | EP0221769B1 (de) |
JP (1) | JP2750572B2 (de) |
KR (1) | KR940011889B1 (de) |
DE (1) | DE3684236D1 (de) |
HK (1) | HK22497A (de) |
SG (1) | SG27095G (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4754322A (en) * | 1985-09-30 | 1988-06-28 | Hitachi, Ltd. | YC-signal separation circuit responsive to magnitude of vertical correlation |
US4814863A (en) * | 1987-06-09 | 1989-03-21 | Matsushita Electric Industrial Co., Ltd. | Detection and concealing artifacts in combed video signals |
GB8713531D0 (en) * | 1987-06-10 | 1987-07-15 | Questech Ltd | Colour television decoding apparatus |
US4847683A (en) * | 1988-05-02 | 1989-07-11 | Dubner Computer Systems, Inc. | Diagonal correction in composite video decoder |
DE3931904C2 (de) * | 1989-09-25 | 1994-10-27 | Broadcast Television Syst | Verfahren zur Beseitigung von Restchrominanzsignalen |
JPH0449781A (ja) * | 1990-06-19 | 1992-02-19 | Sony Corp | テレビジョン画像表示装置 |
US6469741B2 (en) | 1993-07-26 | 2002-10-22 | Pixel Instruments Corp. | Apparatus and method for processing television signals |
WO2006129349A1 (ja) * | 2005-05-31 | 2006-12-07 | Fujitsu Limited | データ受信装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061975A (en) | 1973-04-11 | 1977-12-06 | Nippon Steel Corporation | Receiver for pulses of different widths |
US4072984A (en) * | 1975-04-14 | 1978-02-07 | Thomson-Csf Laboratories, Inc. | Chrominance-luminance separator |
US4050084A (en) * | 1976-07-14 | 1977-09-20 | Cbs Inc. | Comb filter for television signals having adaptive features |
US4149181A (en) * | 1977-09-02 | 1979-04-10 | Gte Sylvania Incorporated | Signal-dependent chrominance subcarrier filtering circuit |
US4178609A (en) * | 1977-10-25 | 1979-12-11 | The Magnavox Company | Comb filter having improved luminance response |
NL7803910A (nl) * | 1978-04-13 | 1979-10-16 | Philips Nv | Kamfilterschakeling. |
JPS58121889A (ja) * | 1982-01-14 | 1983-07-20 | Victor Co Of Japan Ltd | くし形フイルタ |
US4682213A (en) * | 1985-10-24 | 1987-07-21 | Rca Corporation | Magnitude independent hanging dot detector |
-
1985
- 1985-10-31 US US06/793,644 patent/US4656501A/en not_active Expired - Fee Related
-
1986
- 1986-10-29 DE DE8686308433T patent/DE3684236D1/de not_active Expired - Fee Related
- 1986-10-29 EP EP86308433A patent/EP0221769B1/de not_active Expired - Lifetime
- 1986-10-30 JP JP61257101A patent/JP2750572B2/ja not_active Expired - Lifetime
- 1986-10-30 KR KR1019860009117A patent/KR940011889B1/ko not_active IP Right Cessation
-
1995
- 1995-02-17 SG SG27095A patent/SG27095G/en unknown
-
1997
- 1997-02-27 HK HK22497A patent/HK22497A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR870004615A (ko) | 1987-05-11 |
JP2750572B2 (ja) | 1998-05-13 |
EP0221769B1 (de) | 1992-03-11 |
HK22497A (en) | 1997-02-27 |
EP0221769A3 (en) | 1988-08-31 |
EP0221769A2 (de) | 1987-05-13 |
JPS62112493A (ja) | 1987-05-23 |
SG27095G (en) | 1995-08-18 |
US4656501A (en) | 1987-04-07 |
KR940011889B1 (ko) | 1994-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8380 | Miscellaneous part iii |
Free format text: DER PATENTINHABER LAUTET RICHTIG: RCA THOMSON LICENSING CORP., PRINCETON, N.J.,US |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |