CN101382725B - 投射显示设备 - Google Patents

投射显示设备 Download PDF

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Publication number
CN101382725B
CN101382725B CN2008102125608A CN200810212560A CN101382725B CN 101382725 B CN101382725 B CN 101382725B CN 2008102125608 A CN2008102125608 A CN 2008102125608A CN 200810212560 A CN200810212560 A CN 200810212560A CN 101382725 B CN101382725 B CN 101382725B
Authority
CN
China
Prior art keywords
electric power
display apparatus
power supply
projection display
system controller
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
CN2008102125608A
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English (en)
Chinese (zh)
Other versions
CN101382725A (zh
Inventor
安田均
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.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN101382725A publication Critical patent/CN101382725A/zh
Application granted granted Critical
Publication of CN101382725B publication Critical patent/CN101382725B/zh
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
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • 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]
    • H04N9/3197—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using light modulating optical valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
CN2008102125608A 2007-09-07 2008-09-05 投射显示设备 Expired - Fee Related CN101382725B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007232173 2007-09-07
JP2007232173A JP5241179B2 (ja) 2007-09-07 2007-09-07 投射型表示装置
JP2007-232173 2007-09-07

Publications (2)

Publication Number Publication Date
CN101382725A CN101382725A (zh) 2009-03-11
CN101382725B true CN101382725B (zh) 2010-12-22

Family

ID=39764865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008102125608A Expired - Fee Related CN101382725B (zh) 2007-09-07 2008-09-05 投射显示设备

Country Status (4)

Country Link
US (2) US8021003B2 (enExample)
EP (1) EP2034745A1 (enExample)
JP (1) JP5241179B2 (enExample)
CN (1) CN101382725B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5533537B2 (ja) 2010-10-12 2014-06-25 セイコーエプソン株式会社 投射型表示装置及びその制御方法
JP5664979B2 (ja) 2011-11-04 2015-02-04 株式会社リコー 画像投影装置
US10191363B2 (en) * 2012-02-09 2019-01-29 Maxell, Ltd. Projection-type image display device
TWI537673B (zh) * 2014-04-30 2016-06-11 中強光電股份有限公司 投影光學系統及用於投影光學系統的能量控制方法
WO2016018378A1 (en) * 2014-07-31 2016-02-04 Hewlett-Packard Development Company, L.P. Data storage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523295A (en) * 1982-09-07 1985-06-11 Zenith Electronics Corporation Power loss compensation for programmable memory control system
US4750040A (en) * 1985-08-23 1988-06-07 Sony Corporation Apparatus controlled by a micro-computer and including power loss data checking
JP2777255B2 (ja) * 1990-02-23 1998-07-16 株式会社東芝 電気機器の停電補償回路
US5831347A (en) * 1996-10-09 1998-11-03 Thomson Consumer Electronics, Inc. Apparatus for determining if the duration of a power failure exceeded predetermined limits
CN1499894A (zh) * 2002-10-28 2004-05-26 ���µ�����ҵ��ʽ���� 多声源音响装置用备份系统
CN1666507A (zh) * 2002-04-29 2005-09-07 汤姆森特许公司 非易失性存储器中电源故障之前的电视参数存储

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108932A (ja) * 1981-12-22 1983-06-29 株式会社東芝 バツテリバツクアツプ装置
US4713553A (en) * 1985-10-21 1987-12-15 Motorola Inc. Fast power-fail detector for power supplies with energy hysteresis
JPH01158314A (ja) 1987-12-16 1989-06-21 Hitachi Ltd 電子式計器
US5136397A (en) * 1989-10-31 1992-08-04 Seiko Epson Corporation Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls
JP3113486B2 (ja) * 1994-03-18 2000-11-27 富士通株式会社 Ｃｐｕシステム
JPH11149419A (ja) 1997-11-17 1999-06-02 Yaskawa Electric Corp データバックアップ方法および装置
JP2000040037A (ja) * 1998-07-21 2000-02-08 Canon Inc データ保護装置、データ保護方法、及び記憶媒体
JP2003005287A (ja) 2001-06-26 2003-01-08 Toshiba Corp 投射型表示装置
JP2003282284A (ja) * 2002-03-25 2003-10-03 Hitachi Ltd ランプ電源装置およびそれを用いた投射型映像表示装置
JP2004069997A (ja) 2002-08-06 2004-03-04 Seiko Epson Corp プロジェクタシステム並びにプロジェクタ及び情報処理装置
US6588907B1 (en) * 2002-08-26 2003-07-08 Hewlett-Packard Development Company, L.P. Self-contained cool-down system for a video projector
US20050034468A1 (en) * 2003-08-11 2005-02-17 Dietz Paul H. Time-extended cooling system for line-powered apparatus
US7461941B2 (en) * 2005-01-03 2008-12-09 Monster Cable Products, Inc. Uninterrupted power supply for projection lamp protection
JP2006292984A (ja) * 2005-04-11 2006-10-26 Seiko Epson Corp プロジェクタの光源の点灯方法、および当該光源の点灯方法を用いたプロジェクタ
EP1903387B1 (en) * 2005-07-01 2011-01-26 Nikon Corporation Projection device
JP2007171885A (ja) * 2005-12-26 2007-07-05 Funai Electric Co Ltd プロジェクタ
JP3886521B2 (ja) * 2006-01-30 2007-02-28 Ｎｅｃビューテクノロジー株式会社 異物センサ回路付きプロジェクタ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523295A (en) * 1982-09-07 1985-06-11 Zenith Electronics Corporation Power loss compensation for programmable memory control system
US4750040A (en) * 1985-08-23 1988-06-07 Sony Corporation Apparatus controlled by a micro-computer and including power loss data checking
JP2777255B2 (ja) * 1990-02-23 1998-07-16 株式会社東芝 電気機器の停電補償回路
US5831347A (en) * 1996-10-09 1998-11-03 Thomson Consumer Electronics, Inc. Apparatus for determining if the duration of a power failure exceeded predetermined limits
CN1666507A (zh) * 2002-04-29 2005-09-07 汤姆森特许公司 非易失性存储器中电源故障之前的电视参数存储
CN1499894A (zh) * 2002-10-28 2004-05-26 ���µ�����ҵ��ʽ���� 多声源音响装置用备份系统

Also Published As

Publication number Publication date
JP5241179B2 (ja) 2013-07-17
US20120013856A1 (en) 2012-01-19
US8021003B2 (en) 2011-09-20
CN101382725A (zh) 2009-03-11
EP2034745A1 (en) 2009-03-11
US20090067275A1 (en) 2009-03-12
US9039206B2 (en) 2015-05-26
JP2009064285A (ja) 2009-03-26

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101222

Termination date: 20210905

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