DE2636977C3 - - Google Patents
Info
- Publication number
- DE2636977C3 DE2636977C3 DE2636977A DE2636977A DE2636977C3 DE 2636977 C3 DE2636977 C3 DE 2636977C3 DE 2636977 A DE2636977 A DE 2636977A DE 2636977 A DE2636977 A DE 2636977A DE 2636977 C3 DE2636977 C3 DE 2636977C3
- Authority
- DE
- Germany
- 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
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/1208—Multiple lens hand-held instruments
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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Eye Examination Apparatus (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2636977A DE2636977B2 (de) | 1976-08-17 | 1976-08-17 | Beleuchtungsvorrichtung für die indirekte Ophthalmoskopie |
| FR7720337A FR2361856A1 (fr) | 1976-08-17 | 1977-07-01 | Dispositif d'eclairage pour l'ophtalmoscopie indirecte |
| US05/824,801 US4166677A (en) | 1976-08-17 | 1977-08-15 | Illumination system for indirect ophthalmoscope |
| GB34300/77A GB1543855A (en) | 1976-08-17 | 1977-08-16 | Lighting appliance for indirect ophthalmoscopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2636977A DE2636977B2 (de) | 1976-08-17 | 1976-08-17 | Beleuchtungsvorrichtung für die indirekte Ophthalmoskopie |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2636977A1 DE2636977A1 (de) | 1978-02-23 |
| DE2636977B2 DE2636977B2 (de) | 1978-09-07 |
| DE2636977C3 true DE2636977C3 (US07909887-20110322-C00021.png) | 1979-04-26 |
Family
ID=5985637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2636977A Granted DE2636977B2 (de) | 1976-08-17 | 1976-08-17 | Beleuchtungsvorrichtung für die indirekte Ophthalmoskopie |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4166677A (US07909887-20110322-C00021.png) |
| DE (1) | DE2636977B2 (US07909887-20110322-C00021.png) |
| FR (1) | FR2361856A1 (US07909887-20110322-C00021.png) |
| GB (1) | GB1543855A (US07909887-20110322-C00021.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4998818A (en) * | 1989-08-23 | 1991-03-12 | Welch Allyn, Inc. | Ophthalmoscope with linear polarizer |
| US5841509A (en) * | 1996-07-29 | 1998-11-24 | Harooni; Mark | Electro-optic binocular indirect ophthalmoscope |
| US6089716A (en) | 1996-07-29 | 2000-07-18 | Lashkari; Kameran | Electro-optic binocular indirect ophthalmoscope for stereoscopic observation of retina |
| US5940166A (en) * | 1997-09-12 | 1999-08-17 | Miller; Joel A. | Binocular indirect ophthalmoscope |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2023992A (en) * | 1935-05-02 | 1935-12-10 | Abraham E Chesler | Box |
| US3019699A (en) * | 1960-04-25 | 1962-02-06 | American Optical Corp | Instrument for examination of the eye |
| US3439978A (en) * | 1965-08-27 | 1969-04-22 | Welch Allyn Inc | Streak retinoscope |
| DE1772893B1 (de) * | 1968-07-17 | 1970-12-03 | Optotechnik Gmbh | Ophthalmoskop |
| US3586424A (en) * | 1968-09-13 | 1971-06-22 | American Optical Corp | Monocular indirect ophthalmoscope |
| US3881812A (en) * | 1972-03-13 | 1975-05-06 | Ben Tovim Nathan | Manually held indirect ophthalmoscope especially adapted for viewing the periphery of the fundus oculi |
-
1976
- 1976-08-17 DE DE2636977A patent/DE2636977B2/de active Granted
-
1977
- 1977-07-01 FR FR7720337A patent/FR2361856A1/fr active Granted
- 1977-08-15 US US05/824,801 patent/US4166677A/en not_active Expired - Lifetime
- 1977-08-16 GB GB34300/77A patent/GB1543855A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4166677A (en) | 1979-09-04 |
| FR2361856A1 (fr) | 1978-03-17 |
| GB1543855A (en) | 1979-04-11 |
| FR2361856B1 (US07909887-20110322-C00021.png) | 1984-06-15 |
| DE2636977A1 (de) | 1978-02-23 |
| DE2636977B2 (de) | 1978-09-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| OGA | New person/name/address of the applicant | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |