FR1425097A - Improvements to lenses for fiber optic endoscopes - Google Patents
Improvements to lenses for fiber optic endoscopesInfo
- Publication number
- FR1425097A FR1425097A FR6523A FR6523A FR1425097A FR 1425097 A FR1425097 A FR 1425097A FR 6523 A FR6523 A FR 6523A FR 6523 A FR6523 A FR 6523A FR 1425097 A FR1425097 A FR 1425097A
- Authority
- FR
- France
- Prior art keywords
- lenses
- fiber optic
- optic endoscopes
- endoscopes
- fiber
- 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
- 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
-
- 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
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6523A FR1425097A (en) | 1965-02-22 | 1965-02-22 | Improvements to lenses for fiber optic endoscopes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6523A FR1425097A (en) | 1965-02-22 | 1965-02-22 | Improvements to lenses for fiber optic endoscopes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1425097A true FR1425097A (en) | 1966-01-14 |
Family
ID=8571567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6523A Expired FR1425097A (en) | 1965-02-22 | 1965-02-22 | Improvements to lenses for fiber optic endoscopes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1425097A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3576358A (en) * | 1967-04-20 | 1971-04-27 | Olympus Optical Co | Optical system with continuously variable magnification |
| US3637282A (en) * | 1970-02-21 | 1972-01-25 | Olympus Optical Co | Elongated variable magnification optical system having selectively interchangeable lenses |
| US4529264A (en) * | 1982-03-26 | 1985-07-16 | Carl-Zeiss-Stiftung, Heidenheum/Brenz | Device for sharp-edge illumination of an observation field lying in a preselectable plane |
| US4655557A (en) * | 1983-12-28 | 1987-04-07 | Olympus Optical Co., Ltd. | Oblique viewing optical system for endoscopes |
-
1965
- 1965-02-22 FR FR6523A patent/FR1425097A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3576358A (en) * | 1967-04-20 | 1971-04-27 | Olympus Optical Co | Optical system with continuously variable magnification |
| US3637282A (en) * | 1970-02-21 | 1972-01-25 | Olympus Optical Co | Elongated variable magnification optical system having selectively interchangeable lenses |
| US4529264A (en) * | 1982-03-26 | 1985-07-16 | Carl-Zeiss-Stiftung, Heidenheum/Brenz | Device for sharp-edge illumination of an observation field lying in a preselectable plane |
| US4655557A (en) * | 1983-12-28 | 1987-04-07 | Olympus Optical Co., Ltd. | Oblique viewing optical system for endoscopes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2324016A1 (en) | PRECISION CONNECTOR FOR OPTICAL FIBERS | |
| FR2291509A1 (en) | CONNECTOR FOR OPTICAL FIBERS | |
| FR2284892A1 (en) | VARIABLE COUPLER FOR OPTICAL FIBERS | |
| BE834731A (en) | CONNECTOR FOR OPTICAL FIBERS | |
| FR2291512A1 (en) | CONNECTOR FOR OPTICAL FIBERS | |
| BE746438A (en) | PHOTOCHROMIC LENSES FOR OPTICAL FIBERS | |
| FR2296192A1 (en) | PROTECTIVE CABLE FOR OPTICAL FIBERS | |
| FR2292989A1 (en) | CONNECTOR FOR OPTICAL FIBER | |
| FR1416826A (en) | Optical lens working machine | |
| FR2275788A1 (en) | CONNECTOR FOR OPTICAL FIBERS | |
| FR94644E (en) | Transmission of light by optical fibers. | |
| CH456173A (en) | Fiber optic scanning device | |
| FR1514860A (en) | Sleeve for glass fibers | |
| FR1425097A (en) | Improvements to lenses for fiber optic endoscopes | |
| FR1510554A (en) | Optical element comprising a bundle of light transmission fibers | |
| FR1442736A (en) | Fiber optic cable | |
| FR1487806A (en) | Improvements to varifocal optical lenses | |
| AT253807B (en) | Fiber optic cable | |
| FR1545697A (en) | Sleeve for glass fibers | |
| FR1409565A (en) | Fiber optic proximity probe | |
| FR1462852A (en) | Improvements to optical interferometers | |
| FR1542260A (en) | Fiber Optic Improvements | |
| FR1534418A (en) | Fiber optic programming device | |
| FR1394315A (en) | Fiber optic position detector | |
| FR1493689A (en) | Optical waveguides |