DE69828680D1 - Umgebungslichtabhängige videosignalverarbeitung - Google Patents
Umgebungslichtabhängige videosignalverarbeitungInfo
- Publication number
- DE69828680D1 DE69828680D1 DE69828680T DE69828680T DE69828680D1 DE 69828680 D1 DE69828680 D1 DE 69828680D1 DE 69828680 T DE69828680 T DE 69828680T DE 69828680 T DE69828680 T DE 69828680T DE 69828680 D1 DE69828680 D1 DE 69828680D1
- Authority
- DE
- Germany
- Prior art keywords
- signal processing
- video signal
- ambient light
- dependent video
- dependent
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
- H04N5/58—Control of contrast or brightness in dependence upon ambient light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97202202 | 1997-07-14 | ||
EP97202202 | 1997-07-14 | ||
PCT/IB1998/000658 WO1999004562A1 (en) | 1997-07-14 | 1998-04-30 | Ambient light-dependent video-signal processing |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69828680D1 true DE69828680D1 (de) | 2005-02-24 |
DE69828680T2 DE69828680T2 (de) | 2006-01-05 |
Family
ID=8228561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69828680T Expired - Lifetime DE69828680T2 (de) | 1997-07-14 | 1998-04-30 | Umgebungslichtabhängige videosignalverarbeitung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6229577B1 (de) |
EP (1) | EP0925683B1 (de) |
JP (1) | JP2001502875A (de) |
KR (1) | KR100521672B1 (de) |
DE (1) | DE69828680T2 (de) |
WO (1) | WO1999004562A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1086584B1 (de) * | 1999-04-06 | 2010-09-15 | Koninklijke Philips Electronics N.V. | Gerät zur verarbeitung von signalen |
US6628831B1 (en) * | 1999-10-12 | 2003-09-30 | Intel Corporation | Darkness-detecting web camera system |
US6618045B1 (en) * | 2000-02-04 | 2003-09-09 | Microsoft Corporation | Display device with self-adjusting control parameters |
JP4783985B2 (ja) * | 2001-02-28 | 2011-09-28 | 日本電気株式会社 | 映像処理装置、映像表示装置及びそれに用いる映像処理方法並びにそのプログラム |
JP2003076333A (ja) | 2001-09-03 | 2003-03-14 | Nec Saitama Ltd | ディスプレイの輝度調整方法、その方法を適用したディスプレイの駆動回路及び携帯用電子機器 |
AU2003206429A1 (en) * | 2002-07-02 | 2004-01-22 | John Christiansen | System |
US7734474B2 (en) * | 2004-04-23 | 2010-06-08 | Hewlett-Packard Development Company, L.P. | Display configuration |
US20060095453A1 (en) * | 2004-10-29 | 2006-05-04 | Miller Mark S | Providing a user a non-degraded presentation experience while limiting access to the non-degraded presentation experience |
US8059835B2 (en) * | 2004-12-27 | 2011-11-15 | Emmanuel Thibaudeau | Impulsive communication activated computer control device and method |
DE602006006967D1 (de) | 2006-02-24 | 2009-07-09 | Vestel Elekt Sanayi Ve Ticaret | Vorrichtung und Verfahren zur Einstellung der Bildeigenschaften auf einer Anzeigevorrichtung |
RU2468401C2 (ru) * | 2006-12-08 | 2012-11-27 | Конинклейке Филипс Электроникс Н.В. | Окружающее освещение |
EP2103043A2 (de) * | 2006-12-11 | 2009-09-23 | Koninklijke Philips Electronics N.V. | Umgebungssystem und verfahren zur steuerung des umgebungssystems |
JP5337991B2 (ja) | 2006-12-20 | 2013-11-06 | ティーピー ビジョン ホールディング ビー ヴィ | システム、方法、コンピュータ読み取り可能な媒体及びプログラム |
JP5240295B2 (ja) * | 2008-10-15 | 2013-07-17 | パナソニック株式会社 | 輝度補正装置及び輝度補正方法 |
JP2010181779A (ja) * | 2009-02-09 | 2010-08-19 | Mitsubishi Electric Corp | 画像表示装置 |
JP5136600B2 (ja) * | 2010-06-18 | 2013-02-06 | 三菱電機株式会社 | 画像表示装置 |
CN103514926B (zh) * | 2012-06-29 | 2017-07-21 | 富泰华工业(深圳)有限公司 | 测试系统及测试方法 |
EP2911389B1 (de) | 2014-02-19 | 2018-05-30 | Televic Rail NV | System zur Steuerung einer Farbanordnung auf einer Anzeige |
US11587526B2 (en) | 2018-12-20 | 2023-02-21 | Dolby Laboratories Licensing Corporation | Luminance adaption to minimize discomfort and improve visibility |
US11594159B2 (en) | 2019-01-09 | 2023-02-28 | Dolby Laboratories Licensing Corporation | Display management with ambient light compensation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3165582A (en) * | 1961-12-29 | 1965-01-12 | Magnavox Co | Automatic contrast and brilliance control system for television receivers |
US3814852A (en) * | 1972-11-27 | 1974-06-04 | Magnavox Co | Ambient light responsive control of brightness, contrast and color saturation |
US4181915A (en) * | 1978-03-27 | 1980-01-01 | Rca Corporation | LED Channel number display responsive to ambient light level |
WO1990006035A1 (en) | 1988-11-17 | 1990-05-31 | Matsushita Electric Industrial Co., Ltd. | Picture receiver controller |
US5532848A (en) * | 1992-11-25 | 1996-07-02 | Canon Information Systems, Inc. | Method and apparatus for adjusting correlated color temperature |
AU5856194A (en) * | 1993-02-05 | 1994-08-29 | Barath, Ludwig | Environment-dependent automatic luminance control for display scrreens |
BE1007608A3 (nl) | 1993-10-08 | 1995-08-22 | Philips Electronics Nv | Beeldsignaalverbeteringsschakeling. |
BE1007777A3 (nl) * | 1993-11-23 | 1995-10-17 | Philips Electronics Nv | Niet-lineaire signaalverwerking. |
KR0177937B1 (ko) * | 1994-08-04 | 1999-05-01 | 구자홍 | 영상표시기기의 영상 자동 보정 장치와 방법 |
JPH0993451A (ja) * | 1995-09-27 | 1997-04-04 | Sony Corp | 画像処理方法及び画像処理装置 |
-
1998
- 1998-04-30 WO PCT/IB1998/000658 patent/WO1999004562A1/en active IP Right Grant
- 1998-04-30 JP JP10529445A patent/JP2001502875A/ja not_active Ceased
- 1998-04-30 KR KR10-1999-7002106A patent/KR100521672B1/ko not_active IP Right Cessation
- 1998-04-30 EP EP98915037A patent/EP0925683B1/de not_active Expired - Lifetime
- 1998-04-30 DE DE69828680T patent/DE69828680T2/de not_active Expired - Lifetime
- 1998-07-09 US US09/112,888 patent/US6229577B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20000068548A (ko) | 2000-11-25 |
DE69828680T2 (de) | 2006-01-05 |
JP2001502875A (ja) | 2001-02-27 |
WO1999004562A1 (en) | 1999-01-28 |
KR100521672B1 (ko) | 2005-10-17 |
EP0925683B1 (de) | 2005-01-19 |
EP0925683A1 (de) | 1999-06-30 |
US6229577B1 (en) | 2001-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: IPG ELECTRONICS 503 LTD., ST. PETER PORT, GUER, GB |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: PATENTANWAELTE BRESSEL UND PARTNER, 12489 BERLIN |
|
R082 | Change of representative |
Ref document number: 925683 Country of ref document: EP Representative=s name: PATENTANWAELTE BRESSEL UND PARTNER, DE |