CN110099259B - 投射镜头以及投影仪 - Google Patents

投射镜头以及投影仪 Download PDF

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Publication number
CN110099259B
CN110099259B CN201910079098.7A CN201910079098A CN110099259B CN 110099259 B CN110099259 B CN 110099259B CN 201910079098 A CN201910079098 A CN 201910079098A CN 110099259 B CN110099259 B CN 110099259B
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CN
China
Prior art keywords
lens
optical axis
barrel
guide
flange
Prior art date
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Active
Application number
CN201910079098.7A
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English (en)
Chinese (zh)
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CN110099259A (zh
Inventor
竹花直人
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
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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 CN110099259A publication Critical patent/CN110099259A/zh
Application granted granted Critical
Publication of CN110099259B publication Critical patent/CN110099259B/zh
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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
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • 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
    • G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
    • 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
    • G02B7/025—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Lens Barrels (AREA)
CN201910079098.7A 2018-01-30 2019-01-28 投射镜头以及投影仪 Active CN110099259B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018013832A JP7022314B2 (ja) 2018-01-30 2018-01-30 投写レンズおよびプロジェクター
JP2018-013832 2018-01-30

Publications (2)

Publication Number Publication Date
CN110099259A CN110099259A (zh) 2019-08-06
CN110099259B true CN110099259B (zh) 2022-07-12

Family

ID=67392812

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910079098.7A Active CN110099259B (zh) 2018-01-30 2019-01-28 投射镜头以及投影仪

Country Status (3)

Country Link
US (1) US10564529B2 (https=)
JP (1) JP7022314B2 (https=)
CN (1) CN110099259B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11392020B2 (en) * 2020-11-27 2022-07-19 DigiEngin Optoelectronics Taizhou Ltd., Co. Autofocus projection apparatus having focal-length fine adjustment, and projection light engines including the same
CN115963680B (zh) * 2021-10-08 2026-02-24 扬明光学股份有限公司 投影光机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107111099A (zh) * 2015-01-27 2017-08-29 精工爱普生株式会社 投射光学装置和投影仪
CN107430257A (zh) * 2015-03-27 2017-12-01 精工爱普生株式会社 投射光学装置和投影仪

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4969310B2 (ja) * 2007-05-01 2012-07-04 富士フイルム株式会社 レンズ鏡筒及びこれを備えたプロジェクタ
JP2009204890A (ja) * 2008-02-28 2009-09-10 Fujinon Corp ズームレンズ装置
JP2010169915A (ja) * 2009-01-23 2010-08-05 Seiko Epson Corp 投写レンズ、および投写レンズの製造方法
JP5786240B2 (ja) 2011-04-14 2015-09-30 株式会社コシナ 電動式レンズ装置
JP6168900B2 (ja) * 2013-08-01 2017-07-26 キヤノン株式会社 光学機器
JP6288471B2 (ja) * 2015-06-09 2018-03-07 Ｊｆｅスチール株式会社 引張強度が１１８０ＭＰａ以上である耐遅れ破壊性に優れた鋼板
JP6751528B2 (ja) * 2017-01-11 2020-09-09 株式会社リコー レンズ装置および画像投写装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107111099A (zh) * 2015-01-27 2017-08-29 精工爱普生株式会社 投射光学装置和投影仪
CN107430257A (zh) * 2015-03-27 2017-12-01 精工爱普生株式会社 投射光学装置和投影仪

Also Published As

Publication number Publication date
JP7022314B2 (ja) 2022-02-18
US10564529B2 (en) 2020-02-18
CN110099259A (zh) 2019-08-06
US20190235363A1 (en) 2019-08-01
JP2019132943A (ja) 2019-08-08

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