DE69919278D1 - Bildprojektionsvorrichtung - Google Patents

Bildprojektionsvorrichtung

Info

Publication number
DE69919278D1
DE69919278D1 DE69919278T DE69919278T DE69919278D1 DE 69919278 D1 DE69919278 D1 DE 69919278D1 DE 69919278 T DE69919278 T DE 69919278T DE 69919278 T DE69919278 T DE 69919278T DE 69919278 D1 DE69919278 D1 DE 69919278D1
Authority
DE
Germany
Prior art keywords
projection device
image projection
image
projection
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
Application number
DE69919278T
Other languages
English (en)
Other versions
DE69919278T2 (de
Inventor
Shuichi Fujiwara
Shoichi Akaiwa
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE69919278D1 publication Critical patent/DE69919278D1/de
Publication of DE69919278T2 publication Critical patent/DE69919278T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/3406—Control of illumination 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]
    • H04N9/3141—Constructional details thereof
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2925—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE69919278T 1998-02-26 1999-02-24 Bildprojektionsvorrichtung Expired - Lifetime DE69919278T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4604498 1998-02-26
JP10046044A JPH11242295A (ja) 1998-02-26 1998-02-26 投写型表示装置
PCT/JP1999/000862 WO1999044097A1 (fr) 1998-02-26 1999-02-24 Appareil de presentation par projection

Publications (2)

Publication Number Publication Date
DE69919278D1 true DE69919278D1 (de) 2004-09-16
DE69919278T2 DE69919278T2 (de) 2004-12-30

Family

ID=12736041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69919278T Expired - Lifetime DE69919278T2 (de) 1998-02-26 1999-02-24 Bildprojektionsvorrichtung

Country Status (7)

Country Link
US (1) US6448715B1 (de)
EP (1) EP0978756B1 (de)
JP (1) JPH11242295A (de)
DE (1) DE69919278T2 (de)
HK (1) HK1024957A1 (de)
TW (1) TW376646B (de)
WO (1) WO1999044097A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6803971B2 (en) * 2000-09-19 2004-10-12 Sanyo Electric Co., Ltd. Projection type video display device that prevents color nonuniformity
US6731079B2 (en) * 2001-05-23 2004-05-04 General Electric Company Industrial lighting control system and method
JP2003068478A (ja) * 2001-08-23 2003-03-07 Olympus Optical Co Ltd 光源装置
US20030067378A1 (en) * 2001-10-04 2003-04-10 Baarman David W. End-of-life indicator
JP2003317982A (ja) * 2002-04-19 2003-11-07 Hitachi Media Electoronics Co Ltd 放電ランプ点灯装置
JP2005121963A (ja) * 2003-10-17 2005-05-12 Toshiba Corp 投射装置と投射方法
US20050157190A1 (en) * 2004-01-16 2005-07-21 Litton Systems, Inc. Combining multiple spectral bands to generate an image
US7808556B2 (en) * 2004-11-08 2010-10-05 Thomson Licensing Image processing device
US20070047237A1 (en) * 2005-08-30 2007-03-01 Jimmy Perez Method of forming a lamp assembly
GB2430275A (en) * 2005-09-15 2007-03-21 Tyco Electronics Electronic control gear for monitoring and controlling lamps
JP2007171302A (ja) * 2005-12-19 2007-07-05 Sharp Corp 光源装置、光源ユニット及び投影型画像表示装置
US20080062115A1 (en) * 2006-09-13 2008-03-13 Houston Brown System and method for predicting a failure of a backlight for an LCD display
US8016433B2 (en) * 2007-03-09 2011-09-13 Sony Corporation Projector and control method thereof
JP4433320B2 (ja) * 2007-03-09 2010-03-17 ソニー株式会社 プロジェクタおよびその制御方法
JP2008224870A (ja) * 2007-03-09 2008-09-25 Sony Corp プロジェクタおよびその制御方法
JP5136824B2 (ja) * 2007-03-09 2013-02-06 ソニー株式会社 プロジェクタおよびその制御方法
JP5109527B2 (ja) * 2007-08-03 2012-12-26 ソニー株式会社 画像形成装置およびその制御方法、並びにプログラム
JP2009244633A (ja) * 2008-03-31 2009-10-22 Toshiba Corp 投射型表示装置及びその制御方法
JP4710987B2 (ja) * 2009-02-06 2011-06-29 セイコーエプソン株式会社 プロジェクター
JP4973672B2 (ja) 2009-02-16 2012-07-11 セイコーエプソン株式会社 放電灯の駆動装置および駆動方法、光源装置、プロジェクター
US8314562B2 (en) * 2009-07-27 2012-11-20 Sunonwealth Electric Machine Industry Co., Ltd. Lamp
US8310162B2 (en) * 2009-08-19 2012-11-13 Panasonic Corporation Lighting apparatus and lighting fixture
US8797157B2 (en) * 2011-06-30 2014-08-05 Tyco Fire & Security Gmbh System and method for monitoring usage and predicting failure of visual notification appliances
JP5782888B2 (ja) * 2011-07-20 2015-09-24 セイコーエプソン株式会社 プロジェクター
JP6187138B2 (ja) * 2013-10-21 2017-08-30 セイコーエプソン株式会社 プロジェクター、及びプロジェクターの制御方法
JP6440477B2 (ja) 2014-12-09 2018-12-19 キヤノン株式会社 光源制御装置および画像投射装置
JP7180650B2 (ja) * 2020-09-18 2022-11-30 カシオ計算機株式会社 プログラム、電子機器、表示システム及び表示方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01160696U (de) * 1988-04-27 1989-11-08
JPH0380481U (de) * 1989-08-19 1991-08-19
JP3521602B2 (ja) * 1996-03-06 2004-04-19 株式会社デンソー 放電灯点灯装置
US6268799B1 (en) * 1996-04-10 2001-07-31 Seiko Epson Corporation Light-source lamp unit, light-source device and projection-type display apparatus and method of use
JP3933724B2 (ja) 1996-05-30 2007-06-20 ハリソン東芝ライティング株式会社 高圧放電灯点灯装置および画像表示装置
JP3193298B2 (ja) * 1996-06-07 2001-07-30 株式会社小糸製作所 放電灯点灯回路

Also Published As

Publication number Publication date
US6448715B1 (en) 2002-09-10
EP0978756B1 (de) 2004-08-11
HK1024957A1 (en) 2000-10-27
JPH11242295A (ja) 1999-09-07
WO1999044097A1 (fr) 1999-09-02
DE69919278T2 (de) 2004-12-30
EP0978756A4 (de) 2000-10-11
EP0978756A1 (de) 2000-02-09
TW376646B (en) 1999-12-11

Similar Documents

Publication Publication Date Title
DE60040514D1 (de) Bildprojektionsgerät
DE69919278D1 (de) Bildprojektionsvorrichtung
DE69939925D1 (de) Bildaufnahmegerät
DE69714901D1 (de) Projektionsbildanzeigegerät
DE19983266T1 (de) Bilderzeugungsgerät
DE69837801D1 (de) Projektionsanzeigevorrichtung
DE69906512D1 (de) Projektions-anzeigevorrichtung
DE69920823D1 (de) Photographisches Gerät
DE69830346D1 (de) Abbildungsgerät
DE69827305D1 (de) Bildaufnahmevorrichtung
DE69931999D1 (de) Bildfixiergerät
DE60007538D1 (de) Bildprojektionssystem
DE69939195D1 (de) Bilderzeugungsvorrichtung
DE69942004D1 (de) Bildaufnahmevorrichtung
DE69914545D1 (de) Bildaufnahmegerät
DE69838734D1 (de) Bilderzeugungsgerät
DE69902107D1 (de) Bildaufnahmegerät
DE69726660D1 (de) Projektionsvorrichtung
DE69914886D1 (de) Abbildungsgerät
DE69933531D1 (de) Bildaufnahmegerät
DE69916181T2 (de) Projektions-Anzeigevorrichtung
DE69838194D1 (de) Bildaufnahmevorrichtung
DE69738508D1 (de) Bildvorrichtung
PT1078349E (pt) Dispositivo de exposicao
DE69518298D1 (de) Bildprojektionsvorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition