DE3738598C2 - - Google Patents

Info

Publication number
DE3738598C2
DE3738598C2 DE3738598A DE3738598A DE3738598C2 DE 3738598 C2 DE3738598 C2 DE 3738598C2 DE 3738598 A DE3738598 A DE 3738598A DE 3738598 A DE3738598 A DE 3738598A DE 3738598 C2 DE3738598 C2 DE 3738598C2
Authority
DE
Germany
Prior art keywords
light
color
signal
light source
circuit
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
Application number
DE3738598A
Other languages
German (de)
English (en)
Other versions
DE3738598A1 (de
Inventor
Toshiaki Tachikawa Tokio/Tokyo Jp Noguchi
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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
Priority claimed from JP61270461A external-priority patent/JPH0797182B2/ja
Priority claimed from JP62085528A external-priority patent/JP2823558B2/ja
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of DE3738598A1 publication Critical patent/DE3738598A1/de
Application granted granted Critical
Publication of DE3738598C2 publication Critical patent/DE3738598C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • A61B1/05—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 characterised by the image sensor, e.g. camera, being in the distal end portion
    • 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
    • H04N23/125—Colour sequential image capture, e.g. using a colour wheel
    • 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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
DE19873738598 1986-11-13 1987-11-13 Lichtquelleneinrichtung fuer endoskope Granted DE3738598A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61270461A JPH0797182B2 (ja) 1986-11-13 1986-11-13 内視鏡用光源装置
JP62085528A JP2823558B2 (ja) 1987-04-07 1987-04-07 電子内視鏡装置

Publications (2)

Publication Number Publication Date
DE3738598A1 DE3738598A1 (de) 1988-05-26
DE3738598C2 true DE3738598C2 (US06312121-20011106-C00033.png) 1989-10-12

Family

ID=26426532

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873738598 Granted DE3738598A1 (de) 1986-11-13 1987-11-13 Lichtquelleneinrichtung fuer endoskope
DE3744788A Expired - Lifetime DE3744788C2 (US06312121-20011106-C00033.png) 1986-11-13 1987-11-13

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3744788A Expired - Lifetime DE3744788C2 (US06312121-20011106-C00033.png) 1986-11-13 1987-11-13

Country Status (2)

Country Link
US (2) US4800424A (US06312121-20011106-C00033.png)
DE (2) DE3738598A1 (US06312121-20011106-C00033.png)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6432837A (en) * 1987-07-27 1989-02-02 Olympus Optical Co Electronic endoscopic apparatus
JPH0220816A (ja) * 1988-04-08 1990-01-24 Olympus Optical Co Ltd 内視鏡用光源装置
JPH0210308A (ja) * 1988-06-29 1990-01-16 Toshiba Corp 内視鏡装置
JP2542089B2 (ja) * 1989-03-16 1996-10-09 オリンパス光学工業株式会社 内視鏡用光源装置
US5331950A (en) * 1991-10-22 1994-07-26 Welch Allyn, Inc. Video laparoscope with high-illuminance low-wattage light source
US5575757A (en) * 1992-10-09 1996-11-19 Smith & Nephew Endoscopy Inc. Endoscope with focusing mechanism
TW387560U (en) 1994-05-13 2000-04-11 Prec Optics Coroporation Viewing scope with image intensification
JP2003518643A (ja) * 1999-12-24 2003-06-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 投射系及びその制御方法
JP3869698B2 (ja) * 2001-10-23 2007-01-17 ペンタックス株式会社 電子内視鏡装置
JP2003135393A (ja) * 2001-10-30 2003-05-13 Olympus Optical Co Ltd 内視鏡システムの自動調整方法
JP4940664B2 (ja) * 2006-01-13 2012-05-30 ウシオ電機株式会社 放電ランプ点灯装置およびプロジェクタ
FI20065778A0 (sv) * 2006-12-07 2006-12-07 Thermo Electron Oy Förfarande för alstring av ljussignaler för en fotometer och en forometer
US8648932B2 (en) * 2009-08-13 2014-02-11 Olive Medical Corporation System, apparatus and methods for providing a single use imaging device for sterile environments
BR112012024237A2 (pt) 2010-03-25 2019-05-28 Olive Medical Corp sistema e método para fornecer um dispositivo de imageamento de utilização única para aplicações medicas
EP2708021B1 (en) 2011-05-12 2019-07-10 DePuy Synthes Products, Inc. Image sensor with tolerance optimizing interconnects
EP2877079B1 (en) 2012-07-26 2021-04-21 DePuy Synthes Products, Inc. Camera system with minimal area monolithic cmos image sensor
EP2967286B1 (en) 2013-03-15 2021-06-23 DePuy Synthes Products, Inc. Minimize image sensor i/o and conductor counts in endoscope applications
US10517469B2 (en) 2013-03-15 2019-12-31 DePuy Synthes Products, Inc. Image sensor synchronization without input clock and data transmission clock

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605119A (ja) * 1983-06-22 1985-01-11 オリンパス光学工業株式会社 内視鏡
US4532918A (en) * 1983-10-07 1985-08-06 Welch Allyn Inc. Endoscope signal level control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158636A (en) * 1980-05-09 1981-12-07 Olympus Optical Co Photographing apparatus
US4546379A (en) * 1983-04-21 1985-10-08 Welch Allyn, Inc. Independent color adjustment for a video system
DE3432393C2 (de) * 1983-09-05 1986-06-19 Olympus Optical Co., Ltd., Tokio/Tokyo Automatische Abblendvorrichtung für ein Endoskop
JPS6055924A (ja) * 1983-09-05 1985-04-01 オリンパス光学工業株式会社 内視鏡の撮像用自動調光装置
JPH0646811B2 (ja) * 1984-08-31 1994-06-15 オリンパス光学工業株式会社 カラ−撮像装置の照明装置
JP2655568B2 (ja) * 1984-08-31 1997-09-24 オリンパス光学工業株式会社 固体撮像素子を用いた内視鏡
JPS62140564A (ja) * 1985-12-13 1987-06-24 Olympus Optical Co Ltd 電子内視鏡装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605119A (ja) * 1983-06-22 1985-01-11 オリンパス光学工業株式会社 内視鏡
US4532918A (en) * 1983-10-07 1985-08-06 Welch Allyn Inc. Endoscope signal level control

Also Published As

Publication number Publication date
DE3738598A1 (de) 1988-05-26
DE3744788C2 (US06312121-20011106-C00033.png) 1990-06-13
US4870487A (en) 1989-09-26
US4800424A (en) 1989-01-24

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