JPS5494352A - Focusing method of endoscope objective lens - Google Patents
Focusing method of endoscope objective lensInfo
- Publication number
- JPS5494352A JPS5494352A JP53678A JP53678A JPS5494352A JP S5494352 A JPS5494352 A JP S5494352A JP 53678 A JP53678 A JP 53678A JP 53678 A JP53678 A JP 53678A JP S5494352 A JPS5494352 A JP S5494352A
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- group
- focusing
- optical fiber
- fiber handle
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
-
- 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
- G02B23/2407—Optical details
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Lenses (AREA)
- Endoscopes (AREA)
- Lens Barrels (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53678A JPS5494352A (en) | 1978-01-09 | 1978-01-09 | Focusing method of endoscope objective lens |
US05/974,501 US4269485A (en) | 1978-01-09 | 1978-12-29 | Method for focusing an objective lens of endoscope |
DE2900282A DE2900282C2 (de) | 1978-01-09 | 1979-01-05 | Vorrichtung zum Fokussieren einer Endoskop-Objektivlinsenanordnung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53678A JPS5494352A (en) | 1978-01-09 | 1978-01-09 | Focusing method of endoscope objective lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5494352A true JPS5494352A (en) | 1979-07-26 |
JPS6155086B2 JPS6155086B2 (ja) | 1986-11-26 |
Family
ID=11476471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53678A Granted JPS5494352A (en) | 1978-01-09 | 1978-01-09 | Focusing method of endoscope objective lens |
Country Status (3)
Country | Link |
---|---|
US (1) | US4269485A (ja) |
JP (1) | JPS5494352A (ja) |
DE (1) | DE2900282C2 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4704007A (en) * | 1980-03-25 | 1987-11-03 | Landre John K | Variable magnification endoscope |
US4664486A (en) * | 1980-03-25 | 1987-05-12 | Landre John K | Variable magnification endoscope |
JPS6046410B2 (ja) * | 1980-10-08 | 1985-10-16 | オリンパス光学工業株式会社 | 内視鏡対物レンズ |
US4875897A (en) * | 1981-06-12 | 1989-10-24 | Regents Of University Of California | Catheter assembly |
CA1192804A (en) * | 1981-12-01 | 1985-09-03 | Garrett Lee | Catheter assembly |
JPS6145179Y2 (ja) * | 1985-04-05 | 1986-12-19 | ||
US4628416A (en) * | 1985-05-03 | 1986-12-09 | Coopervision, Inc. | Variable spot size illuminator with constant convergence angle |
JPS6369177U (ja) * | 1987-09-22 | 1988-05-10 | ||
US5222482A (en) * | 1991-04-15 | 1993-06-29 | Clark Kenneth M | Binocular endoscope with depth perception and fixed focal plane |
JPH0980305A (ja) * | 1995-09-11 | 1997-03-28 | Fuji Photo Optical Co Ltd | 内視鏡対物レンズ |
US6530882B1 (en) * | 2000-06-30 | 2003-03-11 | Inner Vision Imaging, L.L.C. | Endoscope having microscopic and macroscopic magnification |
US6450949B1 (en) | 2000-06-30 | 2002-09-17 | Inner Vision Imaging, Inc. | Endoscope |
DE10222505A1 (de) | 2002-05-22 | 2003-12-11 | Schoelly Fiberoptic Gmbh | Mikroendoskop |
TWI435138B (zh) | 2011-06-20 | 2014-04-21 | Largan Precision Co | 影像拾取光學系統 |
US11606539B1 (en) * | 2017-12-21 | 2023-03-14 | Apple Inc. | Imaging system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5144937A (ja) * | 1974-10-15 | 1976-04-16 | Olympus Optical Co | |
JPS5162053A (ja) * | 1974-11-27 | 1976-05-29 | Olympus Optical Co |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3090378A (en) * | 1960-05-16 | 1963-05-21 | Bausch & Lomb | Focusing endoscope |
JPS4813070B1 (ja) * | 1967-04-20 | 1973-04-25 | ||
US3497701A (en) * | 1967-07-14 | 1970-02-24 | Ibm | Light pen optical system for display apparatus |
JPS4999087A (ja) * | 1973-01-27 | 1974-09-19 | ||
JPS566126B2 (ja) * | 1973-05-14 | 1981-02-09 |
-
1978
- 1978-01-09 JP JP53678A patent/JPS5494352A/ja active Granted
- 1978-12-29 US US05/974,501 patent/US4269485A/en not_active Expired - Lifetime
-
1979
- 1979-01-05 DE DE2900282A patent/DE2900282C2/de not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5144937A (ja) * | 1974-10-15 | 1976-04-16 | Olympus Optical Co | |
JPS5162053A (ja) * | 1974-11-27 | 1976-05-29 | Olympus Optical Co |
Also Published As
Publication number | Publication date |
---|---|
US4269485A (en) | 1981-05-26 |
DE2900282A1 (de) | 1979-07-12 |
DE2900282C2 (de) | 1982-05-13 |
JPS6155086B2 (ja) | 1986-11-26 |
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