JPS646907U - - Google Patents
Info
- Publication number
- JPS646907U JPS646907U JP1987100406U JP10040687U JPS646907U JP S646907 U JPS646907 U JP S646907U JP 1987100406 U JP1987100406 U JP 1987100406U JP 10040687 U JP10040687 U JP 10040687U JP S646907 U JPS646907 U JP S646907U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- drive shaft
- slit
- rotation
- rotation axis
- 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
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/13—Ophthalmic microscopes
- A61B3/135—Slit-lamp microscopes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/005—Diaphragms
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Biophysics (AREA)
- Spectrometry And Color Measurement (AREA)
- Eye Examination Apparatus (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987100406U JPH0347602Y2 (en, 2012) | 1987-06-30 | 1987-06-30 | |
| US07/212,932 US4818068A (en) | 1987-06-30 | 1988-06-29 | Slit apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987100406U JPH0347602Y2 (en, 2012) | 1987-06-30 | 1987-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS646907U true JPS646907U (en, 2012) | 1989-01-17 |
| JPH0347602Y2 JPH0347602Y2 (en, 2012) | 1991-10-11 |
Family
ID=14273096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987100406U Expired JPH0347602Y2 (en, 2012) | 1987-06-30 | 1987-06-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4818068A (en, 2012) |
| JP (1) | JPH0347602Y2 (en, 2012) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4531413B2 (ja) * | 2004-02-10 | 2010-08-25 | 株式会社トプコン | 細隙灯顕微鏡 |
| CN106236010B (zh) * | 2016-07-19 | 2018-12-25 | 重庆康华瑞明科技股份有限公司 | 一种裂隙宽度电动调节裂隙灯显微镜检查仪功能单元装置 |
| CN107643577A (zh) * | 2017-09-29 | 2018-01-30 | 上海润理真空技术有限公司 | 真空可视狭缝机构 |
| CN114193002A (zh) * | 2021-12-24 | 2022-03-18 | 苏州迈为科技股份有限公司 | 一种自动控制狭缝宽度的装置及控制狭缝宽度的方法 |
| GB2632458A (en) * | 2023-08-09 | 2025-02-12 | Eyoto Group Ltd | Improvements in or relating to slit lamps |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639039A (en) * | 1964-10-22 | 1972-02-01 | Lockheed Aircraft Corp | Apparatus utilizing spatial plane filtering for performing optical image enhancement |
-
1987
- 1987-06-30 JP JP1987100406U patent/JPH0347602Y2/ja not_active Expired
-
1988
- 1988-06-29 US US07/212,932 patent/US4818068A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4818068A (en) | 1989-04-04 |
| JPH0347602Y2 (en, 2012) | 1991-10-11 |