CN101196675B - 投影机 - Google Patents

投影机 Download PDF

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Publication number
CN101196675B
CN101196675B CN200710194138.XA CN200710194138A CN101196675B CN 101196675 B CN101196675 B CN 101196675B CN 200710194138 A CN200710194138 A CN 200710194138A CN 101196675 B CN101196675 B CN 101196675B
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CN
China
Prior art keywords
mentioned
test section
light
projector
detection 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.)
Active
Application number
CN200710194138.XA
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English (en)
Chinese (zh)
Other versions
CN101196675A (zh
Inventor
米窪政敏
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
Publication of CN101196675A publication Critical patent/CN101196675A/zh
Application granted granted Critical
Publication of CN101196675B publication Critical patent/CN101196675B/zh
Active 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
    • G03B21/20—Lamp housings
    • G03B21/2086—Security or safety means in lamp houses
    • 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
    • H04N9/3161—Modulator illumination systems using laser light sources
    • 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
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN200710194138.XA 2006-12-05 2007-12-05 投影机 Active CN101196675B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP327890/2006 2006-12-05
JP2006327890A JP4293233B2 (ja) 2006-12-05 2006-12-05 プロジェクタ

Publications (2)

Publication Number Publication Date
CN101196675A CN101196675A (zh) 2008-06-11
CN101196675B true CN101196675B (zh) 2010-12-08

Family

ID=39475305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200710194138.XA Active CN101196675B (zh) 2006-12-05 2007-12-05 投影机

Country Status (3)

Country Link
US (1) US20080129965A1 (enExample)
JP (1) JP4293233B2 (enExample)
CN (1) CN101196675B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100765765B1 (ko) * 2005-11-15 2007-10-15 삼성전자주식회사 프로젝터/프로젝션 겸용 디스플레이 장치
JP2010224316A (ja) * 2009-03-24 2010-10-07 Sanyo Electric Co Ltd 投写型映像表示装置
JP2010230897A (ja) * 2009-03-26 2010-10-14 Sanyo Electric Co Ltd 投写型映像表示装置
JP2010243921A (ja) 2009-04-08 2010-10-28 Sanyo Electric Co Ltd 投写型映像表示装置
JP2010266838A (ja) * 2009-04-13 2010-11-25 Sanyo Electric Co Ltd 投写型映像表示装置
JP2011137878A (ja) * 2009-12-25 2011-07-14 Sanyo Electric Co Ltd 投写型映像表示装置および侵入検知方法
CN102096293B (zh) * 2011-01-30 2012-06-27 河南科技大学 三片式lcos激光投影显示用光学引擎
JP2012252252A (ja) * 2011-06-06 2012-12-20 Seiko Epson Corp プロジェクター
JP5866866B2 (ja) * 2011-08-24 2016-02-24 セイコーエプソン株式会社 プロジェクター
JP2013105171A (ja) * 2011-11-17 2013-05-30 Seiko Epson Corp プロジェクター及びその制御方法
EP2842330B1 (en) * 2012-04-13 2018-08-29 Red.Com, Llc Video projector system
US9025086B2 (en) 2012-04-13 2015-05-05 Red.Com, Inc. Video projector system
CN102830583A (zh) * 2012-09-28 2012-12-19 苏州鼎雅电子有限公司 一种护眼投影方法
CN104902200A (zh) * 2015-05-28 2015-09-09 深圳市智歌科技有限公司 一种具有人眼识别防护系统的投影机
JP6070786B2 (ja) * 2015-07-27 2017-02-01 セイコーエプソン株式会社 プロジェクター
JP6237744B2 (ja) * 2015-10-23 2017-11-29 セイコーエプソン株式会社 プロジェクター
JP6070871B2 (ja) * 2016-01-27 2017-02-01 セイコーエプソン株式会社 プロジェクター及びその制御方法
JP6508290B2 (ja) * 2017-10-27 2019-05-08 セイコーエプソン株式会社 プロジェクター

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6568814B2 (en) * 1999-03-03 2003-05-27 3M Innovative Properties Company Integrated front projection system with shaped imager and associated method
JP3727543B2 (ja) * 2000-05-10 2005-12-14 三菱電機株式会社 画像表示装置
US7210791B2 (en) * 2004-11-01 2007-05-01 Dell Products L.P. System and method for projector external hazard proximity protection

Also Published As

Publication number Publication date
JP2008139732A (ja) 2008-06-19
CN101196675A (zh) 2008-06-11
US20080129965A1 (en) 2008-06-05
JP4293233B2 (ja) 2009-07-08

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