JP4293233B2 - プロジェクタ - Google Patents

プロジェクタ Download PDF

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Publication number
JP4293233B2
JP4293233B2 JP2006327890A JP2006327890A JP4293233B2 JP 4293233 B2 JP4293233 B2 JP 4293233B2 JP 2006327890 A JP2006327890 A JP 2006327890A JP 2006327890 A JP2006327890 A JP 2006327890A JP 4293233 B2 JP4293233 B2 JP 4293233B2
Authority
JP
Japan
Prior art keywords
detection unit
unit
light
projector
detection
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
JP2006327890A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008139732A5 (enExample
JP2008139732A (ja
Inventor
政敏 米窪
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
Priority to JP2006327890A priority Critical patent/JP4293233B2/ja
Priority to US11/949,177 priority patent/US20080129965A1/en
Priority to CN200710194138.XA priority patent/CN101196675B/zh
Publication of JP2008139732A publication Critical patent/JP2008139732A/ja
Publication of JP2008139732A5 publication Critical patent/JP2008139732A5/ja
Application granted granted Critical
Publication of JP4293233B2 publication Critical patent/JP4293233B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
JP2006327890A 2006-12-05 2006-12-05 プロジェクタ Expired - Fee Related JP4293233B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006327890A JP4293233B2 (ja) 2006-12-05 2006-12-05 プロジェクタ
US11/949,177 US20080129965A1 (en) 2006-12-05 2007-12-03 Projector
CN200710194138.XA CN101196675B (zh) 2006-12-05 2007-12-05 投影机

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2008139732A JP2008139732A (ja) 2008-06-19
JP2008139732A5 JP2008139732A5 (enExample) 2008-08-28
JP4293233B2 true JP4293233B2 (ja) 2009-07-08

Family

ID=39475305

Family Applications (1)

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

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
WO2013155319A1 (en) 2012-04-13 2013-10-17 Red. Com, Inc. 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
CN101196675A (zh) 2008-06-11
CN101196675B (zh) 2010-12-08
US20080129965A1 (en) 2008-06-05
JP2008139732A (ja) 2008-06-19

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