JP4772357B2 - 光源装置及び撮像装置 - Google Patents
光源装置及び撮像装置Info
- Publication number
- JP4772357B2 JP4772357B2 JP2005101651A JP2005101651A JP4772357B2 JP 4772357 B2 JP4772357 B2 JP 4772357B2 JP 2005101651 A JP2005101651 A JP 2005101651A JP 2005101651 A JP2005101651 A JP 2005101651A JP 4772357 B2 JP4772357 B2 JP 4772357B2
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- light
- light emission
- period
- output
- 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.)
- Expired - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title claims description 30
- 238000005286 illumination Methods 0.000 claims description 16
- 206010021033 Hypomenorrhoea Diseases 0.000 claims 1
- 238000001444 catalytic combustion detection Methods 0.000 description 28
- 238000000034 method Methods 0.000 description 18
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000015654 memory Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 239000000872 buffer Substances 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2484—Arrangements in relation to a camera or imaging device
-
- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/045—Control thereof
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0638—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 with illuminating arrangements providing two or more wavelengths
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0655—Control therefor
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- 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
- G02B23/2461—Illumination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
- H04N23/12—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with one sensor only
-
- 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
-
- 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
- H04N2209/00—Details of colour television systems
- H04N2209/04—Picture signal generators
- H04N2209/041—Picture signal generators using solid-state devices
- H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
- H04N2209/044—Picture signal generators using solid-state devices having a single pick-up sensor using sequential colour illumination
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Multimedia (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Signal Processing (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Color Television Image Signal Generators (AREA)
- Image Input (AREA)
Description
2 電子内視鏡
3 発光ダイオード駆動制御部
4 ビデオプロセッサ
5 カラーモニタ
10 発光ダイオード
10−1 R用発光ダイオード
10−2 G用発光ダイオード
10−3 B用発光ダイオード
11 撮像素子(CCD)
12 対物光学系
71 点灯・調光制御回路
72 基準電圧
73 発光ダイオードドライバ
81 CCDドライバ
82 タイミングコントローラ
83 プリアンプ
84 A/Dコンバータ
85 セレクタ
86R Rメモリ
86G Gメモリ
86B Bメモリ
87R,87G,87B D/Aコンバータ
88R,88G,88B バッファ
89 調光用信号生成回路
Claims (6)
- 被写体に照射する照明光を発生する第1の発光部と、
前記第1の発光部から発生される照明光とは異なる波長の照明光を発生する第2の発光部と、
被写体を撮像する撮像タイミングに同期して、前記第1の発光部と前記第2の発光部の発光強度と発光期間とを含む出力積分値を独立して制御する出力積分値制御手段と、を具備し、
前記出力積分値制御手段は、前記第1及び第2の発光部の発光期間を、露光期間と遮光期間とを有して被写体を撮像する撮像素子の前記露光期間にそれぞれ同期させ、前記第1及び第2の発光部のうち少なくとも一方の発光部を、前記露光期間内において定格を基準として当該定格の実数倍の発光強度で発光させるものであって、前記撮像素子からの撮像信号に基づいて生成された調光用信号と基準レベルとを比較する比較器と、該比較結果に基づいて前記第1及び第2の発光部の出力積分値を制御する出力積分値制御回路と、該出力積分値制御回路の出力信号が供給される発光部を前記第1及び第2の発光部から選択する発光部選択手段と、を具備し、前記比較器での比較において、前記基準レベルが前記調光用信号よりも大きいものであった場合に、前記発光期間と前記撮像素子の露光期間とを比較し、このときの比較結果に基づいて前記第1及び第2の発光部の発光強度と発光期間のうち少なくともいずれか一方を制御することを特徴とする光源装置。 - 前記出力積分値制御手段は、前記比較器での比較において、前記基準レベルが前記調光用信号よりも小さいものであった場合に、前記第1及び第2の発光部の発光強度と、前記定格の実数倍の値とを比較し、このときの比較結果に基づいて前記第1及び第2の発光部の発光強度または発光期間を制御することを特徴とする請求項1に記載の光源装置。
- 前記第1及び第2の発光部は、R,G,Bに関する2つのLEDであることを特徴とする請求項1または2に記載の光源装置。
- 被写体に照射する照明光を発生する第1の発光部と、
前記第1の発光部から発生される照明光とは異なる波長の照明光を発生する第2の発光部と、
露光期間と遮光期間とを有して被写体を撮像する撮像素子と、
前記撮像素子を駆動する駆動信号を発生する駆動信号発生手段と、
前記駆動信号発生手段で発生された駆動信号に同期して前記第1の発光部と前記第2の発光部の発光強度と発光期間とを含む出力積分値を独立して制御する出力積分値制御手段と、を具備し、
前記出力積分値制御手段は、前記第1及び第2の発光部の発光期間を、前記撮像素子の前記露光期間にそれぞれ同期させ、前記第1及び第2の発光部のうち少なくとも一方の発光部を、前記露光期間内において定格を基準として当該定格の実数倍の発光強度で発光させるものであって、前記撮像素子からの撮像信号に基づいて生成された調光用信号と基準レベルとを比較する比較器と、該比較結果に基づいて前記第1及び第2の発光部の出力積分値を制御する出力積分値制御回路と、該出力積分値制御回路の出力信号が供給される発光部を前記第1及び第2の発光部から選択する発光部選択手段と、を具備し、前記比較器での比較において、前記基準レベルが前記調光用信号よりも大きいものであった場合に、前記発光期間と前記撮像素子の露光期間とを比較し、このときの比較結果に基づいて前記第1及び第2の発光部の発光強度と発光期間のうち少なくともいずれか一方を制御することを特徴とする撮像装置。 - 前記出力積分値制御手段は、前記比較器での比較において、前記基準レベルが前記調光用信号よりも小さいものであった場合に、前記第1及び第2の発光部の発光強度と、前記定格の実数倍の値とを比較し、このときの比較結果に基づいて前記第1及び第2の発光部の発光強度または発光期間を制御することを特徴とする請求項4に記載の撮像装置。
- 前記第1及び第2の発光部は、R,G,Bに関する2つのLEDであることを特徴とする請求項4または5に記載の撮像装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005101651A JP4772357B2 (ja) | 2005-03-31 | 2005-03-31 | 光源装置及び撮像装置 |
PCT/JP2006/306713 WO2006106853A1 (ja) | 2005-03-31 | 2006-03-30 | 光源装置及び撮像装置 |
US11/910,103 US7898577B2 (en) | 2005-03-31 | 2006-03-30 | Light source device and image pickup device |
EP06730661.3A EP1864606B1 (en) | 2005-03-31 | 2006-03-30 | Light source device and image pickup device |
CN200620018080.4U CN2922784Y (zh) | 2005-03-31 | 2006-03-31 | 光源装置和摄像装置 |
CN200610067081.2A CN100486515C (zh) | 2005-03-31 | 2006-03-31 | 光源装置和摄像装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005101651A JP4772357B2 (ja) | 2005-03-31 | 2005-03-31 | 光源装置及び撮像装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006280465A JP2006280465A (ja) | 2006-10-19 |
JP4772357B2 true JP4772357B2 (ja) | 2011-09-14 |
Family
ID=37029075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005101651A Expired - Fee Related JP4772357B2 (ja) | 2005-03-31 | 2005-03-31 | 光源装置及び撮像装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7898577B2 (ja) |
EP (1) | EP1864606B1 (ja) |
JP (1) | JP4772357B2 (ja) |
CN (2) | CN100486515C (ja) |
WO (1) | WO2006106853A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008048905A (ja) * | 2006-08-24 | 2008-03-06 | Olympus Medical Systems Corp | 内視鏡装置 |
US7680373B2 (en) | 2006-09-13 | 2010-03-16 | University Of Washington | Temperature adjustment in scanning beam devices |
US7738762B2 (en) | 2006-12-15 | 2010-06-15 | University Of Washington | Attaching optical fibers to actuator tubes with beads acting as spacers and adhesives |
US8514278B2 (en) * | 2006-12-29 | 2013-08-20 | Ge Inspection Technologies Lp | Inspection apparatus having illumination assembly |
US8305432B2 (en) | 2007-01-10 | 2012-11-06 | University Of Washington | Scanning beam device calibration |
US20080281159A1 (en) * | 2007-05-08 | 2008-11-13 | University Of Washington | Coordinating image acquisition among multiple endoscopes |
US8212884B2 (en) | 2007-05-22 | 2012-07-03 | University Of Washington | Scanning beam device having different image acquisition modes |
US8437587B2 (en) | 2007-07-25 | 2013-05-07 | University Of Washington | Actuating an optical fiber with a piezoelectric actuator and detecting voltages generated by the piezoelectric actuator |
US8411922B2 (en) | 2007-11-30 | 2013-04-02 | University Of Washington | Reducing noise in images acquired with a scanning beam device |
CN101896957B (zh) * | 2008-10-15 | 2013-06-19 | 松下电器产业株式会社 | 光投射装置 |
JP5336867B2 (ja) * | 2009-01-27 | 2013-11-06 | オリンパスメディカルシステムズ株式会社 | 光源装置 |
JP5371920B2 (ja) * | 2010-09-29 | 2013-12-18 | 富士フイルム株式会社 | 内視鏡装置 |
CN103260499B (zh) * | 2011-08-15 | 2016-01-20 | 奥林巴斯株式会社 | 摄像装置 |
EP2719320A4 (en) | 2011-12-27 | 2015-07-01 | Olympus Medical Systems Corp | IMAGING DEVICE |
WO2015016172A1 (ja) * | 2013-08-01 | 2015-02-05 | オリンパスメディカルシステムズ株式会社 | 内視鏡システム、内視鏡システムの作動方法 |
JP6053653B2 (ja) * | 2013-09-27 | 2016-12-27 | 富士フイルム株式会社 | 内視鏡装置 |
CN104932172A (zh) * | 2014-03-21 | 2015-09-23 | 深圳市海洋王照明工程有限公司 | 摄像手电装置 |
JP6312254B2 (ja) * | 2014-11-28 | 2018-04-18 | 富士フイルム株式会社 | 内視鏡システム及びその作動方法 |
JP6386889B2 (ja) * | 2014-11-28 | 2018-09-05 | 富士フイルム株式会社 | 内視鏡用光源装置、内視鏡システム及びその作動方法 |
DE102015105656A1 (de) * | 2015-04-14 | 2016-10-20 | Chromasens Gmbh | Steuermodul für eine Kamera, Kamera, Produktionssystem und Verfahren zum Erfassen von Bildern mittels einer solchen Kamera |
JP2019123421A (ja) * | 2018-01-18 | 2019-07-25 | 株式会社デンソー | 乗員検知システム、照明制御システム、及び車内照明方法 |
US11892617B2 (en) | 2021-12-21 | 2024-02-06 | Karl Storz Imaging, Inc. | Endoscope system with adaptive lighting control |
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US5460182A (en) * | 1992-09-14 | 1995-10-24 | Sextant Medical Corporation | Tissue penetrating apparatus and methods |
US5748236A (en) * | 1993-12-10 | 1998-05-05 | Nikon Corporation | Color mixing prevention and color balance setting device and method for a field-sequential color television camera |
JPH07275200A (ja) * | 1994-04-15 | 1995-10-24 | Asahi Optical Co Ltd | 内視鏡の照明装置 |
JPH11225953A (ja) | 1998-02-12 | 1999-08-24 | Olympus Optical Co Ltd | 内視鏡装置 |
JP3668383B2 (ja) * | 1998-02-27 | 2005-07-06 | 松下電器産業株式会社 | 電子部品実装装置 |
JPH11253397A (ja) * | 1998-03-09 | 1999-09-21 | Olympus Optical Co Ltd | 内視鏡装置 |
US6095661A (en) * | 1998-03-19 | 2000-08-01 | Ppt Vision, Inc. | Method and apparatus for an L.E.D. flashlight |
JP2000124683A (ja) * | 1998-10-12 | 2000-04-28 | Tenryu Technics:Kk | 電子部品撮像方法および電子部品装着装置 |
JP2002112959A (ja) * | 2000-10-06 | 2002-04-16 | Asahi Optical Co Ltd | 電子内視鏡の照明装置 |
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JP2003174587A (ja) | 2001-12-07 | 2003-06-20 | Seiko Precision Inc | 撮像装置および携帯電子機器 |
WO2003087653A2 (en) | 2002-04-10 | 2003-10-23 | Karl Storz Endoscopy-America, Inc. | Apparatus and method for powering portable battery operated light sources |
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JP2005150774A (ja) | 2002-12-27 | 2005-06-09 | Casio Comput Co Ltd | 照明装置及び撮像装置 |
JP4217558B2 (ja) * | 2003-08-29 | 2009-02-04 | キヤノン株式会社 | 記録媒体種類の識別装置、記録装置、および識別方法 |
US20050046739A1 (en) * | 2003-08-29 | 2005-03-03 | Voss James S. | System and method using light emitting diodes with an image capture device |
-
2005
- 2005-03-31 JP JP2005101651A patent/JP4772357B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-30 US US11/910,103 patent/US7898577B2/en active Active
- 2006-03-30 EP EP06730661.3A patent/EP1864606B1/en not_active Not-in-force
- 2006-03-30 WO PCT/JP2006/306713 patent/WO2006106853A1/ja active Application Filing
- 2006-03-31 CN CN200610067081.2A patent/CN100486515C/zh not_active Expired - Fee Related
- 2006-03-31 CN CN200620018080.4U patent/CN2922784Y/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20090080175A1 (en) | 2009-03-26 |
CN1839748A (zh) | 2006-10-04 |
EP1864606A1 (en) | 2007-12-12 |
WO2006106853A1 (ja) | 2006-10-12 |
CN2922784Y (zh) | 2007-07-18 |
US7898577B2 (en) | 2011-03-01 |
CN100486515C (zh) | 2009-05-13 |
EP1864606B1 (en) | 2014-11-05 |
JP2006280465A (ja) | 2006-10-19 |
EP1864606A4 (en) | 2009-11-25 |
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