JP2015004866A - 画像投射装置 - Google Patents

画像投射装置 Download PDF

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Publication number
JP2015004866A
JP2015004866A JP2013130736A JP2013130736A JP2015004866A JP 2015004866 A JP2015004866 A JP 2015004866A JP 2013130736 A JP2013130736 A JP 2013130736A JP 2013130736 A JP2013130736 A JP 2013130736A JP 2015004866 A JP2015004866 A JP 2015004866A
Authority
JP
Japan
Prior art keywords
image
light source
air
projection
unit
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.)
Pending
Application number
JP2013130736A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015004866A5 (enExample
Inventor
藤岡　哲弥
Tetsuya Fujioka
哲弥 藤岡
直行 石川
Naoyuki Ishikawa
直行 石川
金井　秀雄
Hideo Kanai
秀雄 金井
晃尚 三川
Akinao Mikawa
晃尚 三川
正道 山田
Masamichi Yamada
正道 山田
御沓　泰成
Yasunari Mikutsu
泰成 御沓
聡 土屋
Satoshi Tsuchiya
聡 土屋
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2013130736A priority Critical patent/JP2015004866A/ja
Priority to EP14173316.2A priority patent/EP2816406B1/en
Publication of JP2015004866A publication Critical patent/JP2015004866A/ja
Publication of JP2015004866A5 publication Critical patent/JP2015004866A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam
    • 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
    • H04N9/3144—Cooling systems

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2013130736A 2013-06-21 2013-06-21 画像投射装置 Pending JP2015004866A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013130736A JP2015004866A (ja) 2013-06-21 2013-06-21 画像投射装置
EP14173316.2A EP2816406B1 (en) 2013-06-21 2014-06-20 Image projector comprising a cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013130736A JP2015004866A (ja) 2013-06-21 2013-06-21 画像投射装置

Publications (2)

Publication Number Publication Date
JP2015004866A true JP2015004866A (ja) 2015-01-08
JP2015004866A5 JP2015004866A5 (enExample) 2017-01-12

Family

ID=50972597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013130736A Pending JP2015004866A (ja) 2013-06-21 2013-06-21 画像投射装置

Country Status (2)

Country Link
EP (1) EP2816406B1 (enExample)
JP (1) JP2015004866A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017021291A (ja) * 2015-07-14 2017-01-26 株式会社リコー 画像投影装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000194071A (ja) * 1998-12-28 2000-07-14 Seiko Epson Corp 投写型表示装置
JP2003215702A (ja) * 2002-01-23 2003-07-30 Seiko Epson Corp プロジェクタ
JP2005173019A (ja) * 2003-12-09 2005-06-30 Casio Comput Co Ltd 光源装置及びそれを備えたプロジェクタ
JP2012063388A (ja) * 2010-09-14 2012-03-29 Seiko Epson Corp プロジェクター
WO2012042613A1 (ja) * 2010-09-29 2012-04-05 日立コンシューマエレクトロニクス株式会社 投写型映像表示装置
JP2013097341A (ja) * 2011-11-04 2013-05-20 Ricoh Co Ltd 画像投影装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5692654B2 (ja) 2011-11-04 2015-04-01 株式会社リコー 画像投影装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000194071A (ja) * 1998-12-28 2000-07-14 Seiko Epson Corp 投写型表示装置
JP2003215702A (ja) * 2002-01-23 2003-07-30 Seiko Epson Corp プロジェクタ
JP2005173019A (ja) * 2003-12-09 2005-06-30 Casio Comput Co Ltd 光源装置及びそれを備えたプロジェクタ
JP2012063388A (ja) * 2010-09-14 2012-03-29 Seiko Epson Corp プロジェクター
WO2012042613A1 (ja) * 2010-09-29 2012-04-05 日立コンシューマエレクトロニクス株式会社 投写型映像表示装置
JP2013097341A (ja) * 2011-11-04 2013-05-20 Ricoh Co Ltd 画像投影装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017021291A (ja) * 2015-07-14 2017-01-26 株式会社リコー 画像投影装置

Also Published As

Publication number Publication date
EP2816406A1 (en) 2014-12-24
EP2816406B1 (en) 2018-02-28

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