DE69116966D1 - Signalübergangsverbesserungsanordnung - Google Patents
SignalübergangsverbesserungsanordnungInfo
- Publication number
- DE69116966D1 DE69116966D1 DE69116966T DE69116966T DE69116966D1 DE 69116966 D1 DE69116966 D1 DE 69116966D1 DE 69116966 T DE69116966 T DE 69116966T DE 69116966 T DE69116966 T DE 69116966T DE 69116966 D1 DE69116966 D1 DE 69116966D1
- Authority
- DE
- Germany
- Prior art keywords
- signal transition
- transition enhancement
- enhancement arrangement
- arrangement
- signal
- 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
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
-
- 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
- H04N5/142—Edging; Contouring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Pulse Circuits (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP90202551 | 1990-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69116966D1 true DE69116966D1 (de) | 1996-03-21 |
DE69116966T2 DE69116966T2 (de) | 1996-09-12 |
Family
ID=8205128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69116966T Expired - Fee Related DE69116966T2 (de) | 1990-09-27 | 1991-08-16 | Signalübergangsverbesserungsanordnung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5196736A (de) |
EP (1) | EP0478024B1 (de) |
JP (1) | JP3452591B2 (de) |
KR (1) | KR100247878B1 (de) |
DE (1) | DE69116966T2 (de) |
ES (1) | ES2085955T3 (de) |
FI (1) | FI913869A (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2675455B2 (ja) * | 1991-06-28 | 1997-11-12 | 三洋電機株式会社 | 可変遅延装置 |
US5304854A (en) * | 1992-02-03 | 1994-04-19 | Rca Thomson Licensing Corporation | Signal transient improvement circuit |
DE4214949A1 (de) * | 1992-05-06 | 1993-11-11 | Nokia Deutschland Gmbh | Anordnung zur zeitlichen Detektion einer Signalflanke eines auf einer Übertragungsleitung übertragenen elektrischen Signals |
US5374964A (en) * | 1993-08-04 | 1994-12-20 | Matsushita Electric Corporation Of America | Circuit and method for controlling abnormally slow transitions in color television signals |
JP3557722B2 (ja) * | 1995-06-14 | 2004-08-25 | 三菱電機株式会社 | 走査速度変調回路 |
JP3999270B2 (ja) * | 1996-08-26 | 2007-10-31 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 鮮鋭度制御 |
DE19639572A1 (de) * | 1996-09-26 | 1998-04-02 | Philips Patentverwaltung | Verfahren und Anordnung zur Farbkantenversteilerung |
JP2000312302A (ja) * | 1999-02-24 | 2000-11-07 | Canon Inc | 輪郭強調装置及び画像形成装置及び画像信号処理方法及び画像形成方法 |
US6285203B1 (en) | 1999-06-14 | 2001-09-04 | Micron Technology, Inc. | Test system having alignment member for aligning semiconductor components |
US6600517B1 (en) | 2000-03-07 | 2003-07-29 | Koninklijke Philips Electronics N.V. | System and method for improving the sharpness of a video image |
WO2001069918A1 (en) * | 2000-03-15 | 2001-09-20 | Koninklijke Philips Electronics N.V. | Video-apparatus with peaking filter |
DE10301260B4 (de) * | 2003-01-15 | 2007-01-18 | Infineon Technologies Ag | Schaltungsanordnung zur Aufbereitung eines Binärsignals und Offset-Kompensationsschaltung mit der Schaltungsanordnung |
US7271851B2 (en) * | 2003-01-16 | 2007-09-18 | Samsung Electronics Co., Ltd. | Adaptive color transient improvement |
US7483081B2 (en) * | 2005-10-27 | 2009-01-27 | Mediatek Inc. | Edge compensated feature detector and method thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3752916A (en) * | 1971-09-30 | 1973-08-14 | Ellanin Investments | Method and apparatus for improving the horizontal sharpness of electronically scanned images |
US4030121A (en) * | 1975-12-02 | 1977-06-14 | Faroudja Y C | Video crispener |
JPS6031302B2 (ja) * | 1977-12-19 | 1985-07-22 | ソニー株式会社 | 色信号の周波数特性改善回路 |
CA1219338A (en) * | 1983-07-27 | 1987-03-17 | Rca Corporation | Signal processing circuit |
US4758891A (en) * | 1986-10-20 | 1988-07-19 | North American Philips Consumer Electronics Corp. | Method and apparatus for improving the rise and fall time of a video signal |
US4777385A (en) * | 1987-02-09 | 1988-10-11 | Rca Licensing Corporation | Signal transient improvement circuit |
JPH01300791A (ja) * | 1988-05-30 | 1989-12-05 | Matsushita Electric Ind Co Ltd | 色トランジェント改善装置 |
-
1991
- 1991-08-15 FI FI913869A patent/FI913869A/fi not_active Application Discontinuation
- 1991-08-16 EP EP91202095A patent/EP0478024B1/de not_active Expired - Lifetime
- 1991-08-16 ES ES91202095T patent/ES2085955T3/es not_active Expired - Lifetime
- 1991-08-16 DE DE69116966T patent/DE69116966T2/de not_active Expired - Fee Related
- 1991-08-26 US US07/749,791 patent/US5196736A/en not_active Expired - Fee Related
- 1991-08-28 JP JP24255591A patent/JP3452591B2/ja not_active Expired - Fee Related
- 1991-09-20 KR KR1019910016525A patent/KR100247878B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0478024B1 (de) | 1996-02-07 |
JP3452591B2 (ja) | 2003-09-29 |
EP0478024A1 (de) | 1992-04-01 |
KR100247878B1 (ko) | 2000-03-15 |
ES2085955T3 (es) | 1996-06-16 |
FI913869A0 (fi) | 1991-08-15 |
JPH06343027A (ja) | 1994-12-13 |
US5196736A (en) | 1993-03-23 |
DE69116966T2 (de) | 1996-09-12 |
FI913869A (fi) | 1992-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |