NL249119A - - Google Patents
Info
- Publication number
- NL249119A NL249119A NL249119DA NL249119A NL 249119 A NL249119 A NL 249119A NL 249119D A NL249119D A NL 249119DA NL 249119 A NL249119 A NL 249119A
- Authority
- NL
- Netherlands
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
- A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types
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)
- Prostheses (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR788713A FR1229799A (fr) | 1959-03-07 | 1959-03-07 | Perfectionnements apportés aux appareils, notamment aux campimètres, devant comporter un écran éclairé de façon uniforme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL249119A true NL249119A (zh) |
Family
ID=8712174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL249119D NL249119A (zh) | 1959-03-07 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3138334A (zh) |
| BE (1) | BE587944A (zh) |
| CH (1) | CH365894A (zh) |
| DE (1) | DE1890206U (zh) |
| ES (1) | ES256203A1 (zh) |
| FR (1) | FR1229799A (zh) |
| GB (1) | GB918656A (zh) |
| LU (1) | LU38304A1 (zh) |
| NL (1) | NL249119A (zh) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1255755A (en) * | 1917-07-25 | 1918-02-05 | Emil G Johanson | Lens-screen. |
| GB309512A (en) * | 1927-10-12 | 1929-04-12 | Alexander James Irving | Improvements in anti-dazzle devices for use with the lamps of road vehicles |
| US2001378A (en) * | 1933-11-09 | 1935-05-14 | James E Cornwall | Automobile headlight |
| US2327818A (en) * | 1941-12-03 | 1943-08-24 | Eastman Kodak Co | Illuminating means for enlargers |
| US2321636A (en) * | 1942-02-05 | 1943-06-15 | Todd John Philip | Black-out lamp |
| US2629813A (en) * | 1948-02-04 | 1953-02-24 | David M Murphy | Adjustable lamp carrier |
| US2538681A (en) * | 1949-01-24 | 1951-01-16 | Spectrolite | Combined incandescent and circular fluorescent lighting unit |
-
0
- NL NL249119D patent/NL249119A/xx unknown
- LU LU38304D patent/LU38304A1/xx unknown
-
1959
- 1959-03-07 FR FR788713A patent/FR1229799A/fr not_active Expired
-
1960
- 1960-02-23 BE BE587944A patent/BE587944A/fr unknown
- 1960-02-25 GB GB6703/60A patent/GB918656A/en not_active Expired
- 1960-02-29 US US11830A patent/US3138334A/en not_active Expired - Lifetime
- 1960-02-29 CH CH228660A patent/CH365894A/fr unknown
- 1960-03-02 ES ES0256203A patent/ES256203A1/es not_active Expired
- 1960-03-03 DE DEJ8487U patent/DE1890206U/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB918656A (en) | 1963-02-13 |
| LU38304A1 (zh) | |
| FR1229799A (fr) | 1960-09-09 |
| US3138334A (en) | 1964-06-23 |
| DE1890206U (de) | 1964-04-02 |
| ES256203A1 (es) | 1960-07-01 |
| BE587944A (fr) | 1960-08-23 |
| CH365894A (fr) | 1962-11-30 |