JP6679950B2 - プロジェクター、及びプロジェクターの制御方法 - Google Patents

プロジェクター、及びプロジェクターの制御方法 Download PDF

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Publication number
JP6679950B2
JP6679950B2 JP2016012122A JP2016012122A JP6679950B2 JP 6679950 B2 JP6679950 B2 JP 6679950B2 JP 2016012122 A JP2016012122 A JP 2016012122A JP 2016012122 A JP2016012122 A JP 2016012122A JP 6679950 B2 JP6679950 B2 JP 6679950B2
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Japan
Prior art keywords
light
focus
modulated
distance
focus adjustment
Prior art date
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Application number
JP2016012122A
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English (en)
Japanese (ja)
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JP2017134144A (ja
JP2017134144A5 (enExample
Inventor
春日　博文
博文 春日
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 JP2016012122A priority Critical patent/JP6679950B2/ja
Priority to PCT/JP2017/001568 priority patent/WO2017130817A1/ja
Priority to CN201780008110.4A priority patent/CN108496112B/zh
Priority to US16/070,027 priority patent/US20190018306A1/en
Publication of JP2017134144A publication Critical patent/JP2017134144A/ja
Publication of JP2017134144A5 publication Critical patent/JP2017134144A5/ja
Application granted granted Critical
Publication of JP6679950B2 publication Critical patent/JP6679950B2/ja
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    • 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
    • G03B21/142—Adjusting of projection optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • 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
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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
    • H04N9/3167—Modulator illumination systems for polarizing the light 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
    • H04N9/317—Convergence or focusing systems
    • 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]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/294—Variable focal length devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/28—Function characteristic focussing or defocussing
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2016012122A 2016-01-26 2016-01-26 プロジェクター、及びプロジェクターの制御方法 Active JP6679950B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2016012122A JP6679950B2 (ja) 2016-01-26 2016-01-26 プロジェクター、及びプロジェクターの制御方法
PCT/JP2017/001568 WO2017130817A1 (ja) 2016-01-26 2017-01-18 プロジェクター、及びプロジェクターの制御方法
CN201780008110.4A CN108496112B (zh) 2016-01-26 2017-01-18 投影仪以及投影仪的控制方法
US16/070,027 US20190018306A1 (en) 2016-01-26 2017-01-18 Projector and method for controlling projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016012122A JP6679950B2 (ja) 2016-01-26 2016-01-26 プロジェクター、及びプロジェクターの制御方法

Publications (3)

Publication Number Publication Date
JP2017134144A JP2017134144A (ja) 2017-08-03
JP2017134144A5 JP2017134144A5 (enExample) 2019-01-31
JP6679950B2 true JP6679950B2 (ja) 2020-04-15

Family

ID=59397769

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JP2016012122A Active JP6679950B2 (ja) 2016-01-26 2016-01-26 プロジェクター、及びプロジェクターの制御方法

Country Status (4)

Country Link
US (1) US20190018306A1 (enExample)
JP (1) JP6679950B2 (enExample)
CN (1) CN108496112B (enExample)
WO (1) WO2017130817A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10481363B2 (en) * 2016-02-03 2019-11-19 Nec Display Solutions, Ltd. Projector and focus adjustment method
CN113596421B (zh) * 2019-10-31 2024-05-14 峰米(北京)科技有限公司 一种热失焦补偿方法、存储介质和投影设备
JP7705703B2 (ja) * 2020-02-20 2025-07-10 株式会社インフォマティクス 投影装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2935805B2 (ja) * 1994-03-23 1999-08-16 ローム株式会社 自動焦点プロジェクター
JP4052803B2 (ja) * 2001-01-19 2008-02-27 株式会社リコー 画像表示装置
US6729734B2 (en) * 2002-04-01 2004-05-04 Hewlett-Packard Development Company, L.P. System for enhancing the quality of an image
US6992748B2 (en) * 2002-06-10 2006-01-31 Reveo, Inc. Scalable and mass-manufacturable OXC using liquid crystal cells
US20050259226A1 (en) * 2004-05-20 2005-11-24 Gilg Thomas J Methods and apparatuses for presenting an image
JP2006317795A (ja) * 2005-05-13 2006-11-24 Toshiba Corp 投射装置と投射装置の測距方法
US7486341B2 (en) * 2005-11-03 2009-02-03 University Of Central Florida Research Foundation, Inc. Head mounted display with eye accommodation having 3-D image producing system consisting of, for each eye, one single planar display screen, one single planar tunable focus LC micro-lens array, one single planar black mask and bias lens
US20100201952A1 (en) * 2009-02-06 2010-08-12 Seiko Epson Corporation Projector
JP2010243545A (ja) * 2009-04-01 2010-10-28 Seiko Epson Corp プロジェクターの光変調素子位置調整方法およびプロジェクター
US20120147342A1 (en) * 2010-12-14 2012-06-14 National Chiao Tung University Projection apparatus
JP2012170007A (ja) * 2011-02-16 2012-09-06 Sanyo Electric Co Ltd 投写型映像表示装置及び画像調整方法
DE102011076083A1 (de) * 2011-05-18 2012-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Projektionsdisplay und Verfahren zum Anzeigen eines Gesamtbildes für Projektionsfreiformflächen oder verkippte Projektionsflächen
JP5533798B2 (ja) * 2011-07-04 2014-06-25 セイコーエプソン株式会社 投写光学系及びこれを備えるプロジェクター
JP6089424B2 (ja) * 2012-03-21 2017-03-08 セイコーエプソン株式会社 画像処理装置、プロジェクター、およびプロジェクターの制御方法
WO2014115884A1 (ja) * 2013-01-28 2014-07-31 株式会社Ｊｖｃケンウッド 投射装置、画像補正方法およびプログラム
JP6149543B2 (ja) * 2013-06-28 2017-06-21 アイシン・エィ・ダブリュ株式会社 ヘッドアップディスプレイ装置
JP6138634B2 (ja) * 2013-08-29 2017-05-31 アイシン・エィ・ダブリュ株式会社 ヘッドアップディスプレイ装置
JP6287437B2 (ja) * 2014-03-26 2018-03-07 セイコーエプソン株式会社 プロジェクター
DE102015110502A1 (de) * 2014-07-04 2016-01-07 Seereal Technologies S.A. Projektionsvorrichtung und Verfahren zum Darstellen einer zweidimensionalen und/oder dreidimensionalen Szene oder von Inhalt
US10506290B2 (en) * 2014-09-25 2019-12-10 Lg Electronics Inc. Image information projection device and projection device control method
JP2016109963A (ja) * 2014-12-09 2016-06-20 株式会社リコー 画像投射装置及び焦点距離算出方法
JP6515589B2 (ja) * 2015-03-02 2019-05-22 セイコーエプソン株式会社 プロジェクター及び透過型表示装置
US10409031B2 (en) * 2015-11-18 2019-09-10 Maxell, Ltd. Image projection apparatus

Also Published As

Publication number Publication date
CN108496112A (zh) 2018-09-04
US20190018306A1 (en) 2019-01-17
WO2017130817A1 (ja) 2017-08-03
JP2017134144A (ja) 2017-08-03
CN108496112B (zh) 2021-03-12

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