JP2005338341A5 - - Google Patents

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Publication number
JP2005338341A5
JP2005338341A5 JP2004155775A JP2004155775A JP2005338341A5 JP 2005338341 A5 JP2005338341 A5 JP 2005338341A5 JP 2004155775 A JP2004155775 A JP 2004155775A JP 2004155775 A JP2004155775 A JP 2004155775A JP 2005338341 A5 JP2005338341 A5 JP 2005338341A5
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JP
Japan
Prior art keywords
image plane
conversion element
opening end
wide
image
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.)
Granted
Application number
JP2004155775A
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Japanese (ja)
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JP2005338341A (en
JP4574229B2 (en
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Priority to JP2004155775A priority Critical patent/JP4574229B2/en
Priority claimed from JP2004155775A external-priority patent/JP4574229B2/en
Publication of JP2005338341A publication Critical patent/JP2005338341A/en
Publication of JP2005338341A5 publication Critical patent/JP2005338341A5/ja
Application granted granted Critical
Publication of JP4574229B2 publication Critical patent/JP4574229B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (5)

ボールレンズと、それぞれ前記ボールレンズの曲面状の像面に開口を有する複数の光ファイバーを束ねた像面変換素子とを備えており、前記像面変換素子の前記像面に開口する開口端に、光を拡散させるスクリーンが設けられていることを特徴とする広角レンズ装置。   A ball lens, and an image plane conversion element that bundles a plurality of optical fibers each having an opening on a curved image surface of the ball lens, and an opening end that opens to the image plane of the image plane conversion element, A wide-angle lens device comprising a screen for diffusing light. ボールレンズと、それぞれ前記ボールレンズの曲面状の像面に開口を有する複数の光ファイバーを束ねた像面変換素子とを備えており、前記像面変換素子の前記像面に開口する開口端に、光を偏向する回折格子が設けられていることを特徴とする広角レンズ装置。   A ball lens, and an image plane conversion element that bundles a plurality of optical fibers each having an opening on a curved image surface of the ball lens, and an opening end that opens to the image plane of the image plane conversion element, A wide-angle lens device comprising a diffraction grating for deflecting light. ボールレンズが、球対称な屈折率分布をもつことを特徴とする請求項１または２記載の広角レンズ装置。 3. The wide-angle lens device according to claim 1, wherein the ball lens has a spherically symmetric refractive index distribution. 請求項１ないし３いずれか１項記載の広角レンズ装置と、像面変換素子の曲面状の像面に開口する第１の開口端と反対側の第２の開口端に近接して配設された撮像素子とを有することを特徴とするカメラ。 The wide-angle lens device according to any one of claims 1 to 3, and a second opening end opposite to the first opening end that opens to the curved image surface of the image plane conversion element. And an image pickup device. 請求項１ないし３いずれか１項記載の広角レンズ装置と、像面変換素子の曲面状の像面に開口する第１の開口端と反対側の第２の開口端に近接して配設された画像出力素子とを有することを特徴とするプロジェクタ。 The wide-angle lens device according to any one of claims 1 to 3, and a second opening end opposite to the first opening end that opens to the curved image surface of the image plane conversion element. And an image output element.
JP2004155775A 2004-05-26 2004-05-26 Wide-angle lens device, camera and projector Expired - Fee Related JP4574229B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004155775A JP4574229B2 (en) 2004-05-26 2004-05-26 Wide-angle lens device, camera and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004155775A JP4574229B2 (en) 2004-05-26 2004-05-26 Wide-angle lens device, camera and projector

Publications (3)

Publication Number Publication Date
JP2005338341A JP2005338341A (en) 2005-12-08
JP2005338341A5 true JP2005338341A5 (en) 2007-02-01
JP4574229B2 JP4574229B2 (en) 2010-11-04

Family

ID=35492008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004155775A Expired - Fee Related JP4574229B2 (en) 2004-05-26 2004-05-26 Wide-angle lens device, camera and projector

Country Status (1)

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JP (1) JP4574229B2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007256553A (en) * 2006-03-23 2007-10-04 Olympus Corp Visual display device
JP2007279284A (en) * 2006-04-05 2007-10-25 Olympus Corp Projection optical device
JP5272652B2 (en) * 2008-10-29 2013-08-28 株式会社ニコン Imaging optical element, imaging optical device, and manufacturing method of imaging optical element
JP5310359B2 (en) * 2009-07-29 2013-10-09 岩崎電気株式会社 Light source device
JP2014241580A (en) 2013-05-13 2014-12-25 キヤノン株式会社 Imaging apparatus
JP6338467B2 (en) * 2014-06-18 2018-06-06 キヤノン株式会社 Imaging device
JP6376857B2 (en) 2014-06-20 2018-08-22 キヤノン株式会社 Imaging device
JP2017028378A (en) * 2015-07-16 2017-02-02 キヤノン株式会社 Imaging device
JP6529455B2 (en) * 2016-03-25 2019-06-12 パナソニック株式会社 Endoscope
US20190302262A1 (en) * 2018-04-03 2019-10-03 GM Global Technology Operations LLC Light conveyance in a lidar system with a monocentric lens
US11910102B1 (en) 2020-07-30 2024-02-20 Apple Inc. Optical elements for enhanced light in-coupling in fiber-coupled imagers
WO2023180021A1 (en) * 2022-03-21 2023-09-28 Sony Semiconductor Solutions Corporation Time-of-flight system and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63115110A (en) * 1986-10-31 1988-05-19 Matsushita Electric Ind Co Ltd Optical multiplexing and demultiplexing device
JPH02137805A (en) * 1988-11-18 1990-05-28 Shimadzu Corp Optical demultiplexer/multiplexer
JPH02311839A (en) * 1989-05-29 1990-12-27 Nippon Telegr & Teleph Corp <Ntt> Stereoscopic display device
JPH0549044A (en) * 1991-08-19 1993-02-26 Nippon Telegr & Teleph Corp <Ntt> Three-dimensional display device
JPH0572525A (en) * 1991-09-18 1993-03-26 Sony Corp Brightness information output device as well as camera device and video display device using this device
US5319968A (en) * 1992-09-21 1994-06-14 Honeywell Inc. Apparatus for determining 3-axis space craft attitude
JP3370193B2 (en) * 1994-10-31 2003-01-27 松下電器産業株式会社 Optical multiplexer / demultiplexer and manufacturing method thereof
US6507392B1 (en) * 2001-04-16 2003-01-14 Bae Systems Information And Electronic Systems Integration Inc. Single multiple aperture (“SMART”) lens system

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