JP2015148704A - 光学ユニット及び内視鏡 - Google Patents
光学ユニット及び内視鏡 Download PDFInfo
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- JP2015148704A JP2015148704A JP2014021186A JP2014021186A JP2015148704A JP 2015148704 A JP2015148704 A JP 2015148704A JP 2014021186 A JP2014021186 A JP 2014021186A JP 2014021186 A JP2014021186 A JP 2014021186A JP 2015148704 A JP2015148704 A JP 2015148704A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 97
- 230000002093 peripheral effect Effects 0.000 claims description 76
- 230000010287 polarization Effects 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
- G02B23/243—Objectives for endoscopes
- G02B23/2438—Zoom objectives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00188—Optical arrangements with focusing or zooming features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
-
- 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
- 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
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
-
- 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
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Astronomy & Astrophysics (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
【解決手段】 光学ユニットは、所定の軸Cを中心とした筒形状の固定部2と、前レンズ群Gfを保持し、軸Cを中心として固定部2の物体側に取り付けられる前枠部4と、後レンズ群Gbを保持し、軸Cを中心として固定部2の像側に取り付けられる後枠部5と、可動レンズ群Gvを保持し、軸Cを中心として固定部2の内側に配置される可動部3と、固定部2に配置されたコイル11と、可動部3に配置され軸Cに直交する方向に磁気分極された磁石12と、によって、可動部3を固定部2に対して、軸C方向に相対移動させることが可能なボイスコイルモータ10と、を備え、前枠部4を軸C方向に投影した部分に可動部3の少なくとも一部が含まれることを特徴とする。
【選択図】図2
Description
2…固定部
3…可動部
4…前枠部
5…後枠部
10…ボイスコイルモータ
11…コイル
12…磁石
Claims (9)
- 所定の軸を中心とした筒形状の固定部と、
前レンズ群を保持し、前記軸を中心として前記固定部の物体側に取り付けられる前枠部と、
後レンズ群を保持し、前記軸を中心として前記固定部の像側に取り付けられる後枠部と、
可動レンズ群を保持し、前記軸を中心として前記固定部の内側に配置される可動部と、
前記固定部に配置されたコイルと、前記可動部に配置され前記軸に直交する方向に磁気分極された磁石と、によって、前記可動部を前記固定部に対して、前記軸方向に相対移動させることが可能なボイスコイルモータと、
を備え、
前記前枠部を前記軸方向に投影した部分に前記可動部の少なくとも一部が含まれる
ことを特徴とする光学ユニット。 - 前記前枠部を前記軸方向に投影した部分に前記磁石の少なくとも一部が含まれる
請求項1に記載の光学ユニット。 - 前記前枠部を前記軸方向に投影した部分に前記コイルの少なくとも一部が含まれる
請求項2に記載の光学ユニット。 - 前記前枠部を前記軸方向に投影した部分に前記コイルの全てが含まれる
請求項3に記載の光学ユニット。 - 前記前枠部の少なくとも一部又は前記後枠部の少なくとも一部は、前記可動部の内周側に挿入される
請求項1乃至4のいずれか1つに記載の光学ユニット。 - 前記磁石は、前記軸に対して対称に複数配置される
請求項1乃至5のいずれか1つに記載の光学ユニット。 - 前記磁石は、前記軸方向に隣り合う第1磁石の組と第2磁石の組を有し、
前記第1磁石の組は同一の磁気分極方向を有し、前記第2磁石の組は同一の磁気分極方向を有し、
隣り合う前記第1磁石の磁気分極方向と前記第2磁石の磁気分極方向は、互いに反対方向であって、
前記コイルは、前記第1磁石の組に対向する第1コイルと、前記第2磁石の組に対向する第2コイルと、を有し、
前記第1コイルと前記第2コイルは、巻き方向が反転している
請求項6に記載の光学ユニット。 - 隣り合う前記第1磁石と前記第2磁石は、前記軸方向に離間している
請求項7に記載の光学ユニット。 - 請求項1乃至8のいずれか1つに記載の前記光学ユニット
を備えることを特徴とする内視鏡。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014021186A JP6430121B2 (ja) | 2014-02-06 | 2014-02-06 | 光学ユニット及び内視鏡 |
EP14882032.7A EP3104206A4 (en) | 2014-02-06 | 2014-09-01 | Optical unit and endoscope |
PCT/JP2014/072902 WO2015118711A1 (ja) | 2014-02-06 | 2014-09-01 | 光学ユニット及び内視鏡 |
CN201480073875.2A CN105934697B (zh) | 2014-02-06 | 2014-09-01 | 光学单元及内窥镜 |
US15/228,601 US10120181B2 (en) | 2014-02-06 | 2016-08-04 | Optical unit and endoscope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014021186A JP6430121B2 (ja) | 2014-02-06 | 2014-02-06 | 光学ユニット及び内視鏡 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015148704A true JP2015148704A (ja) | 2015-08-20 |
JP2015148704A5 JP2015148704A5 (ja) | 2017-02-16 |
JP6430121B2 JP6430121B2 (ja) | 2018-11-28 |
Family
ID=53777532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014021186A Active JP6430121B2 (ja) | 2014-02-06 | 2014-02-06 | 光学ユニット及び内視鏡 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10120181B2 (ja) |
EP (1) | EP3104206A4 (ja) |
JP (1) | JP6430121B2 (ja) |
CN (1) | CN105934697B (ja) |
WO (1) | WO2015118711A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020012597A1 (ja) * | 2018-07-12 | 2020-01-16 | オリンパス株式会社 | 光学ユニットおよび内視鏡 |
US10739548B2 (en) | 2015-04-15 | 2020-08-11 | Olympus Corporation | Optical unit and endoscope |
US11280994B2 (en) | 2015-12-18 | 2022-03-22 | Olympus Corporation | Optical unit and endoscope |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107533207B (zh) * | 2015-04-15 | 2020-07-07 | 奥林巴斯株式会社 | 光学单元和内窥镜 |
JP2021156906A (ja) * | 2018-05-01 | 2021-10-07 | オリンパス株式会社 | 光学ユニット |
US11513313B2 (en) | 2018-08-31 | 2022-11-29 | Canon Kabushiki Kaisha | Lens apparatus and camera system |
JP7045482B2 (ja) * | 2018-12-27 | 2022-03-31 | オリンパス株式会社 | 光学装置および内視鏡 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63163310A (ja) * | 1986-12-25 | 1988-07-06 | Toshiba Corp | オ−トフオ−カス装置とそのレンズ駆動機構 |
JPH02301023A (ja) * | 1989-05-15 | 1990-12-13 | Seiko Epson Corp | レンズフォーカシングアクチュエータ |
JPH05196850A (ja) * | 1992-01-17 | 1993-08-06 | Canon Inc | レンズ駆動装置 |
JPH0815593A (ja) * | 1994-06-24 | 1996-01-19 | Sony Corp | レンズ鏡筒装置と被駆動体の駆動装置 |
JPH0886949A (ja) * | 1994-09-20 | 1996-04-02 | Canon Inc | 光学機器 |
JPH10133126A (ja) * | 1996-09-03 | 1998-05-22 | Olympus Optical Co Ltd | 内視鏡撮像装置 |
JP3142643U (ja) * | 2007-04-09 | 2008-06-19 | 華宏新技股▲ふん▼有限公司 | レンズ作動装置 |
JP2009160276A (ja) * | 2008-01-08 | 2009-07-23 | Olympus Medical Systems Corp | 撮像装置 |
WO2013054787A1 (ja) * | 2011-10-13 | 2013-04-18 | オリンパスメディカルシステムズ株式会社 | 撮像ユニット及び内視鏡 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010243195A (ja) | 2009-04-01 | 2010-10-28 | Seidensha Co Ltd | 静電型エンコーダおよび内視鏡 |
-
2014
- 2014-02-06 JP JP2014021186A patent/JP6430121B2/ja active Active
- 2014-09-01 WO PCT/JP2014/072902 patent/WO2015118711A1/ja active Application Filing
- 2014-09-01 CN CN201480073875.2A patent/CN105934697B/zh active Active
- 2014-09-01 EP EP14882032.7A patent/EP3104206A4/en not_active Withdrawn
-
2016
- 2016-08-04 US US15/228,601 patent/US10120181B2/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63163310A (ja) * | 1986-12-25 | 1988-07-06 | Toshiba Corp | オ−トフオ−カス装置とそのレンズ駆動機構 |
JPH02301023A (ja) * | 1989-05-15 | 1990-12-13 | Seiko Epson Corp | レンズフォーカシングアクチュエータ |
JPH05196850A (ja) * | 1992-01-17 | 1993-08-06 | Canon Inc | レンズ駆動装置 |
JPH0815593A (ja) * | 1994-06-24 | 1996-01-19 | Sony Corp | レンズ鏡筒装置と被駆動体の駆動装置 |
JPH0886949A (ja) * | 1994-09-20 | 1996-04-02 | Canon Inc | 光学機器 |
JPH10133126A (ja) * | 1996-09-03 | 1998-05-22 | Olympus Optical Co Ltd | 内視鏡撮像装置 |
JP3142643U (ja) * | 2007-04-09 | 2008-06-19 | 華宏新技股▲ふん▼有限公司 | レンズ作動装置 |
JP2009160276A (ja) * | 2008-01-08 | 2009-07-23 | Olympus Medical Systems Corp | 撮像装置 |
WO2013054787A1 (ja) * | 2011-10-13 | 2013-04-18 | オリンパスメディカルシステムズ株式会社 | 撮像ユニット及び内視鏡 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10739548B2 (en) | 2015-04-15 | 2020-08-11 | Olympus Corporation | Optical unit and endoscope |
US11280994B2 (en) | 2015-12-18 | 2022-03-22 | Olympus Corporation | Optical unit and endoscope |
WO2020012597A1 (ja) * | 2018-07-12 | 2020-01-16 | オリンパス株式会社 | 光学ユニットおよび内視鏡 |
JPWO2020012597A1 (ja) * | 2018-07-12 | 2021-05-13 | オリンパス株式会社 | 光学ユニットおよび内視鏡 |
JP6994575B2 (ja) | 2018-07-12 | 2022-01-14 | オリンパス株式会社 | 光学ユニットおよび内視鏡 |
US11493747B2 (en) | 2018-07-12 | 2022-11-08 | Olympus Corporation | Optical unit and endoscope |
Also Published As
Publication number | Publication date |
---|---|
US20160341950A1 (en) | 2016-11-24 |
JP6430121B2 (ja) | 2018-11-28 |
EP3104206A4 (en) | 2017-11-01 |
CN105934697B (zh) | 2019-09-06 |
US10120181B2 (en) | 2018-11-06 |
CN105934697A (zh) | 2016-09-07 |
WO2015118711A1 (ja) | 2015-08-13 |
EP3104206A1 (en) | 2016-12-14 |
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