JP2009064285A5 - - Google Patents

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Publication number
JP2009064285A5
JP2009064285A5 JP2007232173A JP2007232173A JP2009064285A5 JP 2009064285 A5 JP2009064285 A5 JP 2009064285A5 JP 2007232173 A JP2007232173 A JP 2007232173A JP 2007232173 A JP2007232173 A JP 2007232173A JP 2009064285 A5 JP2009064285 A5 JP 2009064285A5
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JP
Japan
Prior art keywords
control unit
unit
volatile memory
power supply
system control
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.)
Granted
Application number
JP2007232173A
Other languages
English (en)
Japanese (ja)
Other versions
JP5241179B2 (ja
JP2009064285A (ja
Filing date
Publication date
Priority claimed from JP2007232173A external-priority patent/JP5241179B2/ja
Priority to JP2007232173A priority Critical patent/JP5241179B2/ja
Application filed filed Critical
Priority to US12/204,875 priority patent/US8021003B2/en
Priority to CN2008102125608A priority patent/CN101382725B/zh
Priority to EP08163811A priority patent/EP2034745A1/en
Publication of JP2009064285A publication Critical patent/JP2009064285A/ja
Publication of JP2009064285A5 publication Critical patent/JP2009064285A5/ja
Priority to US13/215,744 priority patent/US9039206B2/en
Publication of JP5241179B2 publication Critical patent/JP5241179B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2007232173A 2007-09-07 2007-09-07 投射型表示装置 Active JP5241179B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2007232173A JP5241179B2 (ja) 2007-09-07 2007-09-07 投射型表示装置
US12/204,875 US8021003B2 (en) 2007-09-07 2008-09-05 Projection display apparatus having nonvolatile memory
CN2008102125608A CN101382725B (zh) 2007-09-07 2008-09-05 投射显示设备
EP08163811A EP2034745A1 (en) 2007-09-07 2008-09-05 Projection display apparatus
US13/215,744 US9039206B2 (en) 2007-09-07 2011-08-23 Projection display apparatus to store data using capacitor charges

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2009064285A JP2009064285A (ja) 2009-03-26
JP2009064285A5 true JP2009064285A5 (enExample) 2010-10-07
JP5241179B2 JP5241179B2 (ja) 2013-07-17

Family

ID=39764865

Family Applications (1)

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

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

Family Cites Families (23)

* 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
US4523295A (en) * 1982-09-07 1985-06-11 Zenith Electronics Corporation Power loss compensation for programmable memory control system
JPH0746297B2 (ja) * 1985-08-23 1995-05-17 ソニー株式会社 電子機器
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
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
JP3113486B2 (ja) * 1994-03-18 2000-11-27 富士通株式会社 Ｃｐｕシステム
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
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
US20030204857A1 (en) 2002-04-29 2003-10-30 Dinwiddie Aaron Hal Pre-power -failure storage of television parameters in nonvolatile memory
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
JP4290407B2 (ja) * 2002-10-28 2009-07-08 パナソニック株式会社 電子機器
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

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