DD132921A1 - Projektor zum projizieren von testdarstellungen fuer augenuntersuchungen - Google Patents
Projektor zum projizieren von testdarstellungen fuer augenuntersuchungenInfo
- Publication number
- DD132921A1 DD132921A1 DD20221977A DD20221977A DD132921A1 DD 132921 A1 DD132921 A1 DD 132921A1 DD 20221977 A DD20221977 A DD 20221977A DD 20221977 A DD20221977 A DD 20221977A DD 132921 A1 DD132921 A1 DD 132921A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- projector
- eye examinations
- projecting test
- test representations
- representations
- Prior art date
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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/42—Servomotor, servo controller kind till VSS
- G05B2219/42212—Rotation over, selection of smallest, shortest angle, distance
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- Input From Keyboards Or The Like (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Projection Apparatus (AREA)
- Details Of Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762653471 DE2653471C3 (de) | 1976-11-25 | 1976-11-25 | Projektor zum Projizieren von Testdarstellungen für Augenuntersuchungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD132921A1 true DD132921A1 (de) | 1978-11-22 |
Family
ID=5993908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD20221977A DD132921A1 (de) | 1976-11-25 | 1977-11-23 | Projektor zum projizieren von testdarstellungen fuer augenuntersuchungen |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5367988A (enrdf_load_stackoverflow) |
| CH (1) | CH624566A5 (enrdf_load_stackoverflow) |
| DD (1) | DD132921A1 (enrdf_load_stackoverflow) |
| DE (1) | DE2653471C3 (enrdf_load_stackoverflow) |
| ES (1) | ES462864A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2371910A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1538630A (enrdf_load_stackoverflow) |
| IT (1) | IT1106647B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420229A (en) * | 1981-02-13 | 1983-12-13 | Clement Clark International Ltd. | Ophthalmic instruments |
| JPS6219144A (ja) * | 1985-07-17 | 1987-01-27 | 株式会社トプコン山形 | 検眼チヤ−ト投影機 |
| CN109512377B (zh) * | 2018-10-25 | 2021-05-25 | 陕西省人民医院 | 一种红绿色盲疾病检查盘 |
-
1976
- 1976-11-25 DE DE19762653471 patent/DE2653471C3/de not_active Expired
-
1977
- 1977-08-26 JP JP10248277A patent/JPS5367988A/ja active Granted
- 1977-09-26 FR FR7728866A patent/FR2371910A1/fr active Pending
- 1977-10-03 ES ES462864A patent/ES462864A1/es not_active Expired
- 1977-10-31 CH CH1324477A patent/CH624566A5/de not_active IP Right Cessation
- 1977-11-11 IT IT5178077A patent/IT1106647B/it active
- 1977-11-23 DD DD20221977A patent/DD132921A1/xx unknown
- 1977-11-25 GB GB4921077A patent/GB1538630A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2653471A1 (de) | 1978-06-01 |
| IT1106647B (it) | 1985-11-11 |
| DE2653471C3 (de) | 1979-10-31 |
| JPS5367988A (en) | 1978-06-16 |
| CH624566A5 (en) | 1981-08-14 |
| DE2653471B2 (de) | 1979-03-15 |
| FR2371910A1 (enrdf_load_stackoverflow) | 1978-06-23 |
| JPS6120292B2 (enrdf_load_stackoverflow) | 1986-05-21 |
| GB1538630A (en) | 1979-01-24 |
| ES462864A1 (es) | 1978-06-01 |
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