JP7152897B2 - 投写装置及びその制御方法ならびにプログラム - Google Patents

投写装置及びその制御方法ならびにプログラム Download PDF

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Publication number
JP7152897B2
JP7152897B2 JP2018146199A JP2018146199A JP7152897B2 JP 7152897 B2 JP7152897 B2 JP 7152897B2 JP 2018146199 A JP2018146199 A JP 2018146199A JP 2018146199 A JP2018146199 A JP 2018146199A JP 7152897 B2 JP7152897 B2 JP 7152897B2
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Japan
Prior art keywords
laser light
light source
period
output
invisible
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Active
Application number
JP2018146199A
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English (en)
Japanese (ja)
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JP2020021003A (ja
JP2020021003A5 (enExample
Inventor
拓也 岩田
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2018146199A priority Critical patent/JP7152897B2/ja
Priority to US16/525,740 priority patent/US11106119B2/en
Publication of JP2020021003A publication Critical patent/JP2020021003A/ja
Publication of JP2020021003A5 publication Critical patent/JP2020021003A5/ja
Application granted granted Critical
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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
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or 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
    • G03B21/142—Adjusting of projection optics
    • 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
    • G03B21/2053—Intensity control of illuminating 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
    • G03B21/20—Lamp housings
    • G03B21/206—Control of light source other than position or intensity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • 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]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • 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
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0438—Scanning displays; Scanning large surfaces, e.g. projection screens, writing boards

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
JP2018146199A 2018-08-02 2018-08-02 投写装置及びその制御方法ならびにプログラム Active JP7152897B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018146199A JP7152897B2 (ja) 2018-08-02 2018-08-02 投写装置及びその制御方法ならびにプログラム
US16/525,740 US11106119B2 (en) 2018-08-02 2019-07-30 Projection apparatus that projects image using laser beams, control method of the same, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018146199A JP7152897B2 (ja) 2018-08-02 2018-08-02 投写装置及びその制御方法ならびにプログラム

Publications (3)

Publication Number Publication Date
JP2020021003A JP2020021003A (ja) 2020-02-06
JP2020021003A5 JP2020021003A5 (enExample) 2021-09-09
JP7152897B2 true JP7152897B2 (ja) 2022-10-13

Family

ID=69229712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018146199A Active JP7152897B2 (ja) 2018-08-02 2018-08-02 投写装置及びその制御方法ならびにプログラム

Country Status (2)

Country Link
US (1) US11106119B2 (enExample)
JP (1) JP7152897B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114245086B (zh) * 2020-09-08 2024-05-10 青岛海信激光显示股份有限公司 投影系统及投影图像的校正方法
JP2023089720A (ja) * 2021-12-16 2023-06-28 スタンレー電気株式会社 光学装置、光学システム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005352172A (ja) 2004-06-10 2005-12-22 Sony Corp 画像投射装置及びその制御方法
JP2009265162A (ja) 2008-04-22 2009-11-12 Ricoh Co Ltd 表示装置
JP2014021236A (ja) 2012-07-17 2014-02-03 Toshiba Corp 光学装置
US20170277028A1 (en) 2014-09-15 2017-09-28 Hewlett-Packard Development Company, L.P. Digital light projector having invisible light channel
US20180047166A1 (en) 2016-08-12 2018-02-15 Microvision, Inc. Devices and Methods for Providing Depth Mapping with Scanning Laser Image Projection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8182093B2 (en) * 2005-09-21 2012-05-22 Panasonic Corporation Image projection device including determining displayable region
JP2011186188A (ja) 2010-03-09 2011-09-22 Seiko Epson Corp 画像表示装置および画像表示方法
JP5510155B2 (ja) 2010-07-29 2014-06-04 船井電機株式会社 プロジェクタ
JP5687880B2 (ja) * 2010-11-08 2015-03-25 船井電機株式会社 画像表示装置
JP2014119937A (ja) * 2012-12-17 2014-06-30 Funai Electric Co Ltd 入力装置および画像表示装置
US20140176505A1 (en) * 2012-12-20 2014-06-26 Funai Electric Co., Ltd. Image display device and input determination method
US10237515B2 (en) * 2017-03-28 2019-03-19 Stmicroelectronics Ltd MEMS projector using multiple laser sources
US10379427B2 (en) * 2017-09-26 2019-08-13 Seiko Epson Corporation Projector and method of driving projector
JP2020187165A (ja) * 2019-05-10 2020-11-19 キヤノン株式会社 画像投射装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005352172A (ja) 2004-06-10 2005-12-22 Sony Corp 画像投射装置及びその制御方法
JP2009265162A (ja) 2008-04-22 2009-11-12 Ricoh Co Ltd 表示装置
JP2014021236A (ja) 2012-07-17 2014-02-03 Toshiba Corp 光学装置
US20170277028A1 (en) 2014-09-15 2017-09-28 Hewlett-Packard Development Company, L.P. Digital light projector having invisible light channel
CN107430324A (zh) 2014-09-15 2017-12-01 惠普发展公司，有限责任合伙企业 具有不可见光通道的数字光投影仪
US20180047166A1 (en) 2016-08-12 2018-02-15 Microvision, Inc. Devices and Methods for Providing Depth Mapping with Scanning Laser Image Projection
JP2019534467A (ja) 2016-08-12 2019-11-28 マイクロビジョン，インク． レーザ画像投影の走査と共に深度マッピングを提供するための装置および方法

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US11106119B2 (en) 2021-08-31
JP2020021003A (ja) 2020-02-06
US20200041888A1 (en) 2020-02-06

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