DE3380277D1 - Endoscope focus state detectors - Google Patents
Endoscope focus state detectorsInfo
- Publication number
- DE3380277D1 DE3380277D1 DE8383302003T DE3380277T DE3380277D1 DE 3380277 D1 DE3380277 D1 DE 3380277D1 DE 8383302003 T DE8383302003 T DE 8383302003T DE 3380277 T DE3380277 T DE 3380277T DE 3380277 D1 DE3380277 D1 DE 3380277D1
- Authority
- DE
- Germany
- Prior art keywords
- focus state
- state detectors
- endoscope focus
- endoscope
- detectors
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5929782A JPS58174915A (ja) | 1982-04-08 | 1982-04-08 | 合焦検出装置及び合焦設定装置 |
JP57094277A JPS58211110A (ja) | 1982-06-02 | 1982-06-02 | 内視鏡用合焦検出装置 |
JP57096533A JPS58217904A (ja) | 1982-06-05 | 1982-06-05 | 内視鏡用合焦検出装置 |
JP57096531A JPS58214122A (ja) | 1982-06-05 | 1982-06-05 | 内視鏡用合焦検出装置 |
JP57096532A JPS58214114A (ja) | 1982-06-05 | 1982-06-05 | 内視鏡用合焦検出装置 |
JP57096530A JPS58214113A (ja) | 1982-06-05 | 1982-06-05 | 内視鏡用合焦検出装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3380277D1 true DE3380277D1 (en) | 1989-08-31 |
Family
ID=27550749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383302003T Expired DE3380277D1 (en) | 1982-04-08 | 1983-04-08 | Endoscope focus state detectors |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0091805B1 (de) |
DE (1) | DE3380277D1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050182434A1 (en) | 2000-08-11 | 2005-08-18 | National Research Council Of Canada | Method and apparatus for performing intra-operative angiography |
US20060239921A1 (en) | 2005-04-26 | 2006-10-26 | Novadaq Technologies Inc. | Real time vascular imaging during solid organ transplant |
US20070122344A1 (en) | 2005-09-02 | 2007-05-31 | University Of Rochester Medical Center Office Of Technology Transfer | Intraoperative determination of nerve location |
US20080161744A1 (en) | 2006-09-07 | 2008-07-03 | University Of Rochester Medical Center | Pre-And Intra-Operative Localization of Penile Sentinel Nodes |
US8406860B2 (en) | 2008-01-25 | 2013-03-26 | Novadaq Technologies Inc. | Method for evaluating blush in myocardial tissue |
US10219742B2 (en) | 2008-04-14 | 2019-03-05 | Novadaq Technologies ULC | Locating and analyzing perforator flaps for plastic and reconstructive surgery |
ES2671710T3 (es) | 2008-05-02 | 2018-06-08 | Novadaq Technologies ULC | Métodos para la producción y uso de eritrocitos cargados con sustancias para la observación y el tratamiento de la hemodinámica microvascular |
US10492671B2 (en) | 2009-05-08 | 2019-12-03 | Novadaq Technologies ULC | Near infra red fluorescence imaging for visualization of blood vessels during endoscopic harvest |
US10278585B2 (en) | 2012-06-21 | 2019-05-07 | Novadaq Technologies ULC | Quantification and analysis of angiography and perfusion |
CN107209118B (zh) | 2014-09-29 | 2021-05-28 | 史赛克欧洲运营有限公司 | 在自体荧光存在下生物材料中目标荧光团的成像 |
EP3203902B1 (de) | 2014-10-09 | 2021-07-07 | Novadaq Technologies ULC | Quantifizierung des absoluten blutströmung in gewebe mittels fluoreszenzvermittelter photoplethysmographie |
JP6931705B2 (ja) | 2017-02-10 | 2021-09-08 | ノバダック テクノロジーズ ユーエルシー | オープンフィールドハンドヘルド蛍光イメージングシステムおよび方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3333105A (en) * | 1963-04-26 | 1967-07-25 | Philips Corp | Device of the kind in which the distance of an object from a defined surface is determined or adjusted by means of a bridge circuit |
US3599552A (en) * | 1969-08-26 | 1971-08-17 | Eastman Kodak Co | Automatic focusing device |
US3999192A (en) * | 1970-05-27 | 1976-12-21 | Canon Kabushiki Kaisha | Focus detecting system |
US4032934A (en) * | 1974-12-26 | 1977-06-28 | Hendrickson Kenneth L | Automatic focusing system |
JPS56120908A (en) * | 1980-02-29 | 1981-09-22 | Fuji Photo Optical Co Ltd | Distance detecting device for endoscope |
US4538062A (en) * | 1981-11-19 | 1985-08-27 | Olympus Optical Co., Ltd. | Focusing detecting device with coaxial source and detector |
DE3365490D1 (en) * | 1982-01-14 | 1986-10-02 | Olympus Optical Co | Endoscopes having a focus state detector |
DE3363889D1 (en) * | 1982-03-19 | 1986-07-10 | Olympus Optical Co | Focus state detector |
US4556787A (en) * | 1982-03-23 | 1985-12-03 | Olympus Optical Co., Ltd. | Photosensor for optical observing or photographing devices |
-
1983
- 1983-04-08 EP EP83302003A patent/EP0091805B1/de not_active Expired
- 1983-04-08 DE DE8383302003T patent/DE3380277D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0091805A2 (de) | 1983-10-19 |
EP0091805B1 (de) | 1989-07-26 |
EP0091805A3 (en) | 1986-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |