CN1201569C - 对比度调整电路和使用它的影像显示装置 - Google Patents
对比度调整电路和使用它的影像显示装置 Download PDFInfo
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- CN1201569C CN1201569C CNB02149584XA CN02149584A CN1201569C CN 1201569 C CN1201569 C CN 1201569C CN B02149584X A CNB02149584X A CN B02149584XA CN 02149584 A CN02149584 A CN 02149584A CN 1201569 C CN1201569 C CN 1201569C
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- 238000000034 method Methods 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims description 61
- 238000001514 detection method Methods 0.000 claims description 51
- 238000004088 simulation Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 36
- 229920006395 saturated elastomer Polymers 0.000 description 20
- 238000010586 diagram Methods 0.000 description 18
- 230000008030 elimination Effects 0.000 description 7
- 238000003379 elimination reaction Methods 0.000 description 7
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- 108010076504 Protein Sorting Signals Proteins 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 230000008034 disappearance Effects 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2433—Discharge mechanisms for floating particles
- B01D21/2438—Discharge mechanisms for floating particles provided with scrapers on the liquid surface for removing floating particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1431—Dissolved air flotation machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1468—Discharge mechanisms for the sediments
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- 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
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- 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
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0238—Improving the black level
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/66—Transforming electric information into light information
- H04N5/70—Circuit details for electroluminescent devices
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Controls And Circuits For Display Device (AREA)
- Television Receiver Circuits (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002104383A JP3783645B2 (ja) | 2002-04-05 | 2002-04-05 | コントラスト調整方法、コントラスト調整回路及びそれを用いた映像表示装置 |
JP104383/2002 | 2002-04-05 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101001844A Division CN1901618B (zh) | 2002-04-05 | 2002-11-15 | 影像显示装置 |
CNB2005100560409A Division CN100429935C (zh) | 2002-04-05 | 2002-11-15 | 影像显示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1450801A CN1450801A (zh) | 2003-10-22 |
CN1201569C true CN1201569C (zh) | 2005-05-11 |
Family
ID=28672284
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02149584XA Expired - Lifetime CN1201569C (zh) | 2002-04-05 | 2002-11-15 | 对比度调整电路和使用它的影像显示装置 |
CNB2005100560409A Expired - Lifetime CN100429935C (zh) | 2002-04-05 | 2002-11-15 | 影像显示装置 |
CN2006101001844A Expired - Lifetime CN1901618B (zh) | 2002-04-05 | 2002-11-15 | 影像显示装置 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100560409A Expired - Lifetime CN100429935C (zh) | 2002-04-05 | 2002-11-15 | 影像显示装置 |
CN2006101001844A Expired - Lifetime CN1901618B (zh) | 2002-04-05 | 2002-11-15 | 影像显示装置 |
Country Status (5)
Country | Link |
---|---|
US (6) | US6982704B2 (zh) |
JP (1) | JP3783645B2 (zh) |
KR (4) | KR100521819B1 (zh) |
CN (3) | CN1201569C (zh) |
TW (1) | TWI230551B (zh) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3783645B2 (ja) * | 2002-04-05 | 2006-06-07 | 株式会社日立製作所 | コントラスト調整方法、コントラスト調整回路及びそれを用いた映像表示装置 |
JP3729157B2 (ja) * | 2002-06-25 | 2005-12-21 | ソニー株式会社 | 映像信号処理装置及び方法 |
JP3754965B2 (ja) * | 2003-02-28 | 2006-03-15 | キヤノン株式会社 | 映像表示装置 |
JP4927311B2 (ja) | 2003-08-27 | 2012-05-09 | 株式会社日立製作所 | 映像表示装置、それに用いる表示部駆動回路及び映像表示方法 |
KR100525737B1 (ko) * | 2003-09-26 | 2005-11-03 | 엘지전자 주식회사 | 플라즈마 디스플레이 패널의 구동장치 및 구동방법 |
KR100680058B1 (ko) * | 2003-11-13 | 2007-02-07 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 구동방법 및 구동장치 |
KR100801627B1 (ko) * | 2003-12-24 | 2008-02-11 | 삼성전자주식회사 | 디스플레이장치 및 그 제어방법 |
KR100601654B1 (ko) * | 2004-01-08 | 2006-07-14 | 삼성전자주식회사 | 입력 영상의 화질 개선을 위한 장치 및 방법 |
JP4387220B2 (ja) * | 2004-02-24 | 2009-12-16 | 株式会社日立製作所 | 映像表示方法及びその装置 |
CN1965573A (zh) * | 2004-06-10 | 2007-05-16 | 日本先锋公司 | 画质控制设备及其方法、画质处理设备、它们的程序以及记录了这些程序的记录介质 |
JP4082393B2 (ja) | 2004-07-09 | 2008-04-30 | セイコーエプソン株式会社 | 画像の特徴に応じた階調特性制御 |
EP1622119A1 (en) * | 2004-07-29 | 2006-02-01 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for power level control and/or contrast control of a display device |
US7714851B2 (en) * | 2004-09-08 | 2010-05-11 | Intersil Americas Inc. | Single supply video line driver |
CN100442333C (zh) * | 2004-09-14 | 2008-12-10 | 佳能株式会社 | 显示装置及显示方法 |
EP1858257B1 (en) * | 2005-03-10 | 2011-04-06 | Panasonic Corporation | Display device, contrast adjusting method and contrast adjusting program |
JP2006284640A (ja) * | 2005-03-31 | 2006-10-19 | Pioneer Electronic Corp | プラズマディスプレイパネルの駆動方法 |
CN100369455C (zh) * | 2005-04-28 | 2008-02-13 | 凌阳科技股份有限公司 | 影像动态响应重新分布装置与方法及使用其的数码相机 |
JP4648071B2 (ja) * | 2005-04-28 | 2011-03-09 | 株式会社日立製作所 | 映像表示装置及び映像信号の色飽和度制御方法 |
US8049707B2 (en) * | 2005-05-09 | 2011-11-01 | Wood Lawson A | Display apparatus and method with reduced energy consumption |
TWI300213B (en) | 2005-05-26 | 2008-08-21 | Coretronic Corp | Image display method |
US7605872B2 (en) * | 2005-06-20 | 2009-10-20 | Mediatek Inc. | Video contrast adjusting method and system |
KR101147100B1 (ko) * | 2005-06-20 | 2012-05-17 | 엘지디스플레이 주식회사 | 액정 표시장치의 구동장치 및 구동방법 |
US7773158B2 (en) | 2005-10-12 | 2010-08-10 | Panasonic Corporation | Visual processing device, display device, and integrated circuit |
EP1785974A1 (en) * | 2005-11-10 | 2007-05-16 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for power level control of a display device |
CN100403784C (zh) * | 2006-01-19 | 2008-07-16 | 深圳创维-Rgb电子有限公司 | 彩电图象自动增益调节电路和方法 |
KR100846907B1 (ko) | 2006-06-24 | 2008-07-17 | 엘지전자 주식회사 | 영상표시기기의 화질 조정장치 및 방법 |
CN100461841C (zh) * | 2006-07-19 | 2009-02-11 | 南京Lg新港显示有限公司 | 自动调整电视接收机图象对比度的装置及其方法 |
US20100321284A1 (en) * | 2006-10-24 | 2010-12-23 | Koninklijde Philips Electronics N.V. | System, method and computer-readable medium for displaying light radiation |
TWI339533B (en) * | 2007-05-14 | 2011-03-21 | Realtek Semiconductor Corp | Color correction method and apparatus of display apparatus |
US8218868B2 (en) * | 2007-06-13 | 2012-07-10 | Sensors Unlimited, Inc. | Method and apparatus for enhancing images |
EP2073532A1 (en) * | 2007-12-17 | 2009-06-24 | Koninklijke Philips Electronics N.V. | Video signal processing |
JP5091955B2 (ja) * | 2008-01-30 | 2012-12-05 | シャープ株式会社 | 映像表示装置 |
WO2009139774A1 (en) * | 2008-05-15 | 2009-11-19 | Hewlett-Packard Development Company, L.P. | Monitoring quality of video signals |
WO2009141914A1 (ja) * | 2008-05-23 | 2009-11-26 | パイオニア株式会社 | アクティブマトリクス型表示装置 |
JP5091796B2 (ja) * | 2008-08-05 | 2012-12-05 | 株式会社東芝 | 画像処理装置 |
JP5250339B2 (ja) * | 2008-08-25 | 2013-07-31 | 株式会社日立製作所 | 画像表示装置 |
JP5169652B2 (ja) * | 2008-09-08 | 2013-03-27 | セイコーエプソン株式会社 | 画像処理装置、画像表示装置、画像処理方法及び画像表示方法 |
KR101536216B1 (ko) * | 2008-11-21 | 2015-07-14 | 삼성디스플레이 주식회사 | 광원 구동 방법, 이를 수행하기 위한 표시 장치 및 이 표시장치의 구동 방법 |
CN101431687B (zh) * | 2008-12-05 | 2010-11-10 | 硅谷数模半导体(北京)有限公司 | 动态对比度与彩色管理方法和装置 |
CN101763175B (zh) * | 2008-12-23 | 2013-07-03 | 原相科技股份有限公司 | 位移检测装置的图像处理方法及使用该方法的位移检测装置 |
TWI403822B (zh) * | 2010-04-14 | 2013-08-01 | Hon Hai Prec Ind Co Ltd | 投影機對比度增強系統及其增強方法 |
JP4922428B2 (ja) * | 2010-04-19 | 2012-04-25 | 株式会社東芝 | 画像処理装置 |
EP2429199B1 (en) * | 2010-09-13 | 2018-02-21 | LG Electronics Inc. | Image display apparatus and method for operating the same |
US20120133747A1 (en) * | 2010-11-29 | 2012-05-31 | Sony Corporation | Image processing apparatus, display apparatus, image processing method and image processing program |
JP5673032B2 (ja) * | 2010-11-29 | 2015-02-18 | ソニー株式会社 | 画像処理装置、表示装置、画像処理方法及びプログラム |
JP5966658B2 (ja) * | 2012-06-22 | 2016-08-10 | ソニー株式会社 | 表示装置、画像処理装置、および表示方法 |
TWI514883B (zh) | 2013-07-31 | 2015-12-21 | Coretronic Corp | 投影裝置及其投影畫面的亮度控制方法 |
KR102083299B1 (ko) * | 2013-09-02 | 2020-03-03 | 엘지전자 주식회사 | 표시장치와 그 휘도 제어 방법 |
CN104301642B (zh) * | 2014-09-04 | 2018-06-05 | 中航华东光电有限公司 | Lcd显示器对比度调节系统及方法 |
US9930299B2 (en) | 2015-12-15 | 2018-03-27 | BOT Home Automation, Inc. | Video on demand for audio/video recording and communication devices |
CN107465848A (zh) * | 2016-06-03 | 2017-12-12 | 上海顺久电子科技有限公司 | 一种图像处理的方法及装置 |
US10416511B2 (en) * | 2016-08-31 | 2019-09-17 | Panasonic Liquid Crystal Display Co., Ltd. | Liquid crystal display device |
CN108337444B (zh) * | 2018-02-06 | 2018-12-28 | 青岛大学 | 高亮度和暗亮度环境下不可见视频图像的提取系统和方法 |
JP7306383B2 (ja) * | 2018-05-22 | 2023-07-11 | ソニーグループ株式会社 | 画像処理装置、表示装置、画像処理方法 |
CN109360530B (zh) * | 2018-10-30 | 2023-06-27 | 武汉华星光电技术有限公司 | 液晶显示装置及其背光控制方法 |
CN112118433B (zh) * | 2019-06-20 | 2022-01-04 | 青岛海信激光显示股份有限公司 | 图像显示方法及激光投影设备 |
KR20230074338A (ko) | 2021-11-19 | 2023-05-30 | 삼성디스플레이 주식회사 | 표시 장치 |
Family Cites Families (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4802350B2 (ja) * | 1998-03-12 | 2011-10-26 | ソニー株式会社 | 表示装置 |
GB1351135A (en) * | 1970-03-11 | 1974-04-24 | Rca Corp | Colour television receiver |
USRE32209E (en) * | 1970-03-11 | 1986-07-15 | Rca Corporation | Television apparatus responsive to a transmitted color reference signal |
US3914545A (en) | 1972-08-02 | 1975-10-21 | Zenith Radio Corp | Automatic contrast control utilizing three control signals |
JPS5721904B2 (zh) * | 1973-10-03 | 1982-05-10 | ||
JPS52111323A (en) * | 1976-03-16 | 1977-09-19 | Matsushita Electric Ind Co Ltd | Automatic limiter for beam current |
US4198652A (en) | 1978-05-11 | 1980-04-15 | Rca Corporation | D.C. Gain controlled amplifier |
US4679087A (en) * | 1984-03-12 | 1987-07-07 | Loge/Dunn Instruments, Inc. | Method and apparatus for photographing video images of either polarity without CRT brightness or contrast readjustment |
US4866511A (en) * | 1984-04-09 | 1989-09-12 | Corporate Communications Consultants, Inc. | Color correction system with color level modification and corresponding method |
US4679067A (en) * | 1984-04-09 | 1987-07-07 | Corporate Communications Consultants, Inc. | Color correction system and method with localized color sampling |
US4807031A (en) | 1987-10-20 | 1989-02-21 | Interactive Systems, Incorporated | Interactive video method and apparatus |
US4962425A (en) | 1988-10-27 | 1990-10-09 | National Research Council Of Canada/Conseil National Deresherches Canada | Photometric device |
JPH02118680A (ja) * | 1988-10-28 | 1990-05-02 | Fuji Xerox Co Ltd | 画像形成装置の下色除去方式 |
JPH03117081A (ja) * | 1989-09-28 | 1991-05-17 | Casio Comput Co Ltd | コントラスト回路 |
CN2054240U (zh) * | 1988-12-01 | 1990-03-07 | 三星电子株式会社 | 自动对比度调整器 |
JPH02189073A (ja) * | 1989-01-17 | 1990-07-25 | Fuji Xerox Co Ltd | 画像読取装置の画像データ調整方式 |
US4947253A (en) | 1989-04-18 | 1990-08-07 | Rca Licensing Corporation | Brightness modulator for closed loop compensation of black level |
JP2784839B2 (ja) * | 1990-07-17 | 1998-08-06 | 松下電器産業株式会社 | 映像信号の階調補正装置 |
US5359675A (en) * | 1990-07-26 | 1994-10-25 | Ronald Siwoff | Video spectacles |
NL9100174A (nl) * | 1991-02-01 | 1992-09-01 | Philips Nv | Kleurenbeeld-weergeefinrichting en kleurencamera. |
KR950008134B1 (ko) * | 1991-05-24 | 1995-07-25 | 가부시끼가이샤 히다찌세이사꾸쇼 | 멀티스크린 디스플레이 장치 |
US5361102A (en) * | 1991-09-04 | 1994-11-01 | Samsung Electronics Co., Ltd. | System to cancel ghosts in NTSC television transmission |
KR930011182A (ko) * | 1991-11-13 | 1993-06-23 | 김광호 | 반도체 장치 및 그 제조방법 |
US5317401A (en) * | 1992-06-19 | 1994-05-31 | Thomson Consumer Electronics S.A. | Apparatus for providing contrast and/or brightness control of a video signal |
US5821885A (en) * | 1994-07-29 | 1998-10-13 | Discovision Associates | Video decompression |
US5475420A (en) | 1993-06-09 | 1995-12-12 | Origin Medsystems, Inc. | Video imaging system with image processing optimized for small-diameter endoscopes |
US5638137A (en) * | 1993-12-22 | 1997-06-10 | Honeywell Inc. | Configurable video output channel architecture |
US5519518A (en) | 1993-12-27 | 1996-05-21 | Kabushiki Kaisha Toshiba | Display apparatus with a variable aperture stop means on each side of the modulator |
US5597223A (en) * | 1993-12-27 | 1997-01-28 | Kabushiki Kaisha Toshiba | Display apparatus |
JP3134660B2 (ja) * | 1994-04-14 | 2001-02-13 | 松下電器産業株式会社 | 色変換方法および色変換装置 |
US6542183B1 (en) * | 1995-06-28 | 2003-04-01 | Lynx Systems Developers, Inc. | Event recording apparatus |
US5717469A (en) * | 1994-06-30 | 1998-02-10 | Agfa-Gevaert N.V. | Video frame grabber comprising analog video signals analysis system |
JPH08138558A (ja) | 1994-11-11 | 1996-05-31 | Hitachi Ltd | プラズマディスプレイ装置 |
KR960036607A (ko) * | 1995-03-09 | 1996-10-28 | 구자홍 | 영상 표시 기기의 밝기 및 콘트라스트 조절 회로 |
JP3412326B2 (ja) * | 1995-04-14 | 2003-06-03 | 松下電器産業株式会社 | ブルーミング抑制回路 |
US5808699A (en) * | 1995-10-02 | 1998-09-15 | Matsushita Electric Industrial Co., Ltd. | Visual image signal processing apparatus using arithmetic operation on brightness reference signal overlaid in fly-back period of input visual image signal |
JPH09154042A (ja) | 1995-11-29 | 1997-06-10 | Matsushita Electric Ind Co Ltd | 輝度信号処理回路 |
US7728845B2 (en) * | 1996-02-26 | 2010-06-01 | Rah Color Technologies Llc | Color calibration of color image rendering devices |
JP3509448B2 (ja) * | 1996-04-12 | 2004-03-22 | ソニー株式会社 | ビデオカメラ装置、映像信号処理装置、カラー映像信号のレベル圧縮方法および階調変換方法 |
JP3475664B2 (ja) * | 1996-08-07 | 2003-12-08 | 住友電装株式会社 | 画像表示装置 |
US5940872A (en) | 1996-11-01 | 1999-08-17 | Intel Corporation | Software and hardware-managed translation lookaside buffer |
US5953074A (en) * | 1996-11-18 | 1999-09-14 | Sage, Inc. | Video adapter circuit for detection of analog video scanning formats |
US6078361A (en) * | 1996-11-18 | 2000-06-20 | Sage, Inc | Video adapter circuit for conversion of an analog video signal to a digital display image |
US6195079B1 (en) * | 1996-11-18 | 2001-02-27 | Sage, Inc. | On-screen user interface for a video adapter circuit |
US5940572A (en) * | 1996-11-27 | 1999-08-17 | Daewoo Electronics Co. Ltd. | Integrated television and video cassette recorder system |
JPH10208637A (ja) | 1997-01-29 | 1998-08-07 | Hitachi Ltd | 平面形画像表示装置の封止構造 |
DE69842020D1 (de) * | 1997-01-31 | 2011-01-05 | Hitachi Ltd | Bildanzeigesystem mit der Veranlagung zur Modifikation von Anzeigeeigenschaften in einem bestimmten Anzeigebereich |
JPH10260604A (ja) * | 1997-03-19 | 1998-09-29 | Sharp Corp | 定着装置 |
DE69731120T2 (de) * | 1997-04-23 | 2005-02-24 | Thomson Consumer Electronics, Inc., Indianapolis | Bereichs- und informationsanzeigeabhängige videopegelsteuerung |
US5949918A (en) * | 1997-05-21 | 1999-09-07 | Sarnoff Corporation | Method and apparatus for performing image enhancement |
JP3636573B2 (ja) * | 1997-06-27 | 2005-04-06 | パイオニア株式会社 | 輝度制御装置 |
JPH1175112A (ja) | 1997-08-29 | 1999-03-16 | Olympus Optical Co Ltd | 自動利得制御回路 |
US6411306B1 (en) * | 1997-11-14 | 2002-06-25 | Eastman Kodak Company | Automatic luminance and contrast adustment for display device |
US6297791B1 (en) * | 1997-11-21 | 2001-10-02 | Seiko Epson Corporation | Adjustment method of display device |
US6285344B1 (en) * | 1998-03-13 | 2001-09-04 | Apple Computer, Inc. | Automatic adjustment of color balance and other display parameters in digital displays |
JP3123504B2 (ja) | 1998-04-07 | 2001-01-15 | 株式会社日立製作所 | マルチスクリーン方式ディスプレイ装置 |
DE69908713T2 (de) * | 1998-06-22 | 2004-05-13 | Texas Instruments Inc., Dallas | Selektive Helligkeitserweiterung |
US6327708B1 (en) * | 1998-09-15 | 2001-12-04 | True Image, L.L.C. | System of absolute measurement for radiological image luminance control |
JP2000092949A (ja) * | 1998-09-22 | 2000-04-04 | Iseki & Co Ltd | 農作業車のエンジン回転制御装置 |
JP2000172218A (ja) | 1998-12-03 | 2000-06-23 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
KR20000044747A (ko) * | 1998-12-30 | 2000-07-15 | 전주범 | 피디피 텔레비젼의 콘트라스트비 제어 방법 |
JP2001134235A (ja) * | 1999-11-04 | 2001-05-18 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
JP3430998B2 (ja) * | 1999-11-08 | 2003-07-28 | 松下電器産業株式会社 | 画像表示装置および画像表示方法 |
JP2001189945A (ja) | 1999-12-28 | 2001-07-10 | Sony Corp | 撮像装置 |
US6542180B1 (en) | 2000-01-07 | 2003-04-01 | Mitutoyo Corporation | Systems and methods for adjusting lighting of a part based on a plurality of selected regions of an image of the part |
JP4574057B2 (ja) * | 2000-05-08 | 2010-11-04 | キヤノン株式会社 | 表示装置 |
JP2002010286A (ja) | 2000-06-26 | 2002-01-11 | Canon Inc | 信号処理装置、信号処理方法、及び撮像装置 |
US6731273B2 (en) * | 2000-06-27 | 2004-05-04 | Semiconductor Energy Laboratory Co., Ltd. | Level shifter |
KR100343744B1 (ko) * | 2000-09-30 | 2002-07-20 | 엘지전자주식회사 | 영상신호의 콘트라스트 향상 장치 |
JP2004519921A (ja) * | 2001-03-06 | 2004-07-02 | 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 | ビデオ信号強調方法並びにこの方法を用いるユニット及び表示装置 |
US20020191104A1 (en) * | 2001-03-26 | 2002-12-19 | Mega Chips Corporation | Image conversion device, image conversion method and data conversion circuit as well as digital camera |
CN1463534A (zh) * | 2001-05-31 | 2003-12-24 | 松下电器产业株式会社 | 图像处理装置和图像处理方法 |
JP4669633B2 (ja) * | 2001-06-28 | 2011-04-13 | パナソニック株式会社 | ディスプレイパネルの駆動方法及びディスプレイパネルの駆動装置 |
KR100425312B1 (ko) * | 2001-12-11 | 2004-03-30 | 삼성전자주식회사 | 자동 휘도 조정 장치 및 방법 |
JP3783645B2 (ja) * | 2002-04-05 | 2006-06-07 | 株式会社日立製作所 | コントラスト調整方法、コントラスト調整回路及びそれを用いた映像表示装置 |
JP3838177B2 (ja) * | 2002-08-22 | 2006-10-25 | 株式会社日立製作所 | 映像表示方法、映像表示装置及びそれに用いるコントラスト調整回路 |
JP4808913B2 (ja) * | 2003-04-08 | 2011-11-02 | グローバル・オーエルイーディー・テクノロジー・リミテッド・ライアビリティ・カンパニー | 表示装置 |
JP4271978B2 (ja) * | 2003-04-18 | 2009-06-03 | 株式会社日立製作所 | 映像表示装置 |
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- 2005-04-28 KR KR1020050035523A patent/KR100627761B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
CN1450801A (zh) | 2003-10-22 |
US20090262245A1 (en) | 2009-10-22 |
KR20050058305A (ko) | 2005-06-16 |
CN1901618B (zh) | 2010-12-15 |
US20070115303A1 (en) | 2007-05-24 |
US7760213B2 (en) | 2010-07-20 |
KR100521819B1 (ko) | 2005-10-17 |
KR100566039B1 (ko) | 2006-03-30 |
CN1901618A (zh) | 2007-01-24 |
JP2003298974A (ja) | 2003-10-17 |
US20050184981A1 (en) | 2005-08-25 |
KR20050058304A (ko) | 2005-06-16 |
US7227543B2 (en) | 2007-06-05 |
CN100429935C (zh) | 2008-10-29 |
US7151535B2 (en) | 2006-12-19 |
US20090262259A1 (en) | 2009-10-22 |
KR100627761B1 (ko) | 2006-09-25 |
US20060038760A1 (en) | 2006-02-23 |
KR20050004721A (ko) | 2005-01-12 |
US7907134B2 (en) | 2011-03-15 |
US7701475B2 (en) | 2010-04-20 |
JP3783645B2 (ja) | 2006-06-07 |
KR100627760B1 (ko) | 2006-09-25 |
US20030189558A1 (en) | 2003-10-09 |
KR20030080176A (ko) | 2003-10-11 |
TWI230551B (en) | 2005-04-01 |
CN1652587A (zh) | 2005-08-10 |
US6982704B2 (en) | 2006-01-03 |
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