CN102804784B - 光投影系统和用于校正图像形成系统产生的光强度的方法 - Google Patents

光投影系统和用于校正图像形成系统产生的光强度的方法 Download PDF

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Publication number
CN102804784B
CN102804784B CN201080025645.0A CN201080025645A CN102804784B CN 102804784 B CN102804784 B CN 102804784B CN 201080025645 A CN201080025645 A CN 201080025645A CN 102804784 B CN102804784 B CN 102804784B
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CN
China
Prior art keywords
light
subsystem
intensity
light intensity
color channel
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
Application number
CN201080025645.0A
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English (en)
Chinese (zh)
Other versions
CN102804784A (zh
Inventor
B·D·西尔弗斯泰因
R·P·科里
D·R·杜维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Image Elmar Co ltd
Imax Corp
Imax EMEA Ltd
Original Assignee
Eastman Kodak Co
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Filing date
Publication date
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Publication of CN102804784A publication Critical patent/CN102804784A/zh
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • 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
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Lasers (AREA)
  • Liquid Crystal (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
CN201080025645.0A 2009-06-25 2010-06-22 光投影系统和用于校正图像形成系统产生的光强度的方法 Expired - Fee Related CN102804784B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/491,275 US8162483B2 (en) 2009-06-25 2009-06-25 Hierarchical light intensity control in light projector
US12/491,275 2009-06-25
PCT/US2010/001782 WO2010151310A1 (en) 2009-06-25 2010-06-22 Hierarchical light intensity control in light projector

Publications (2)

Publication Number Publication Date
CN102804784A CN102804784A (zh) 2012-11-28
CN102804784B true CN102804784B (zh) 2015-08-12

Family

ID=42562756

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080025645.0A Expired - Fee Related CN102804784B (zh) 2009-06-25 2010-06-22 光投影系统和用于校正图像形成系统产生的光强度的方法

Country Status (5)

Country Link
US (1) US8162483B2 (enExample)
EP (1) EP2446632A1 (enExample)
JP (1) JP5663570B2 (enExample)
CN (1) CN102804784B (enExample)
WO (1) WO2010151310A1 (enExample)

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CN103424961A (zh) * 2012-05-23 2013-12-04 鸿富锦精密工业（深圳）有限公司 数字光处理投影机
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US9479325B1 (en) 2013-04-12 2016-10-25 Maxim Integrated Products, Inc. Reduced frequency backwards clock for isolated sigma-delta modulators
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CN105388693A (zh) * 2015-12-31 2016-03-09 中国华录集团有限公司 一种激光投影机色彩自动控制系统
TWI568266B (zh) * 2016-01-27 2017-01-21 明基電通股份有限公司 影像調整方法及其顯示設備
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CN113253558A (zh) * 2021-05-26 2021-08-13 Oppo广东移动通信有限公司 光源组件、成像装置和电子装置
CN115174880B (zh) * 2022-09-08 2023-03-10 江西渊薮信息科技有限公司 一种提高色域的投影系统、投影仪及投影方法

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Also Published As

Publication number Publication date
EP2446632A1 (en) 2012-05-02
US20100328616A1 (en) 2010-12-30
JP2012531626A (ja) 2012-12-10
CN102804784A (zh) 2012-11-28
WO2010151310A1 (en) 2010-12-29
JP5663570B2 (ja) 2015-02-04
US8162483B2 (en) 2012-04-24

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SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Dublin Republic of Ireland

Patentee after: IMAX EMEA LTD.

Address before: Dublin Republic of Ireland

Patentee before: Image Elmar Co.,Ltd.

TR01 Transfer of patent right

Effective date of registration: 20161214

Address after: Dublin Republic of Ireland

Patentee after: Image Elmar Co.,Ltd.

Address before: Ontario, Canada

Patentee before: Imax Corp.

Effective date of registration: 20161214

Address after: Ontario, Canada

Patentee after: Imax Corp.

Address before: American New York

Patentee before: Eastman Kodak Co.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150812

CF01 Termination of patent right due to non-payment of annual fee