DE3118187C2 - - Google Patents
Info
- Publication number
- DE3118187C2 DE3118187C2 DE3118187A DE3118187A DE3118187C2 DE 3118187 C2 DE3118187 C2 DE 3118187C2 DE 3118187 A DE3118187 A DE 3118187A DE 3118187 A DE3118187 A DE 3118187A DE 3118187 C2 DE3118187 C2 DE 3118187C2
- Authority
- DE
- Germany
- Prior art keywords
- reflector
- optical system
- lens
- light
- optical
- 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
-
- 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
- A61B3/14—Arrangements specially adapted for eye photography
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5999280A JPS56166831A (en) | 1980-05-08 | 1980-05-08 | Small-sized eyeground camera |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3118187A1 DE3118187A1 (de) | 1982-03-18 |
DE3118187C2 true DE3118187C2 (US06589383-20030708-C00041.png) | 1987-07-02 |
Family
ID=13129164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813118187 Granted DE3118187A1 (de) | 1980-05-08 | 1981-05-08 | Netzhautkamera |
Country Status (3)
Country | Link |
---|---|
US (1) | US4509838A (US06589383-20030708-C00041.png) |
JP (1) | JPS56166831A (US06589383-20030708-C00041.png) |
DE (1) | DE3118187A1 (US06589383-20030708-C00041.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5949738A (ja) * | 1982-09-16 | 1984-03-22 | 株式会社トプコン | 眼底カメラの撮像モ−ド切換装置 |
US4804981A (en) * | 1988-02-18 | 1989-02-14 | International Business Machines Corporation | Aspheric lens for polygon mirror tilt error correction and scan bow correction in an electrophotographic printer |
JPH02119838A (ja) * | 1989-08-22 | 1990-05-07 | Topcon Corp | 眼底カメラ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE368309C (de) * | 1923-02-03 | Rodenstock Optik G | Augenrefraktometer | |
US3089398A (en) * | 1959-07-21 | 1963-05-14 | Zeiss Carl | Ophthalmic cameras |
US3217622A (en) * | 1961-10-10 | 1965-11-16 | Mamiya Camera | Ophthalmoscopic camera |
JPS4715980U (US06589383-20030708-C00041.png) * | 1971-03-23 | 1972-10-24 | ||
JPS4978390A (US06589383-20030708-C00041.png) * | 1972-11-22 | 1974-07-29 | ||
US3778135A (en) * | 1972-11-29 | 1973-12-11 | American Optical Corp | Ophthalmometer having alternative viewing and measuring systems and including an improved illumination system |
US3915564A (en) * | 1974-09-12 | 1975-10-28 | Zeiss Stiftung | Retinal image-display system |
JPS51109191A (US06589383-20030708-C00041.png) * | 1975-03-20 | 1976-09-27 | Toyama Chemical Co Ltd | |
US4102563A (en) * | 1975-12-01 | 1978-07-25 | Canon Kabushiki Kaisha | Eye fundus camera free from undesired reflected and diffused light beams |
-
1980
- 1980-05-08 JP JP5999280A patent/JPS56166831A/ja active Granted
-
1981
- 1981-05-08 DE DE19813118187 patent/DE3118187A1/de active Granted
-
1984
- 1984-01-31 US US06/575,580 patent/US4509838A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3118187A1 (de) | 1982-03-18 |
US4509838A (en) | 1985-04-09 |
JPS56166831A (en) | 1981-12-22 |
JPS6213011B2 (US06589383-20030708-C00041.png) | 1987-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |