FR2266853B1 - - Google Patents
Info
- Publication number
- FR2266853B1 FR2266853B1 FR7412523A FR7412523A FR2266853B1 FR 2266853 B1 FR2266853 B1 FR 2266853B1 FR 7412523 A FR7412523 A FR 7412523A FR 7412523 A FR7412523 A FR 7412523A FR 2266853 B1 FR2266853 B1 FR 2266853B1
- Authority
- FR
- France
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7412523A FR2266853A1 (en) | 1974-04-03 | 1974-04-03 | Light adjustment unit for radar installation - has polariser discs on inside of housing door with tubes in base |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7412523A FR2266853A1 (en) | 1974-04-03 | 1974-04-03 | Light adjustment unit for radar installation - has polariser discs on inside of housing door with tubes in base |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2266853A1 FR2266853A1 (en) | 1975-10-31 |
FR2266853B1 true FR2266853B1 (en) | 1976-10-08 |
Family
ID=9137475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7412523A Granted FR2266853A1 (en) | 1974-04-03 | 1974-04-03 | Light adjustment unit for radar installation - has polariser discs on inside of housing door with tubes in base |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2266853A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3208617A1 (en) * | 1982-03-10 | 1983-09-22 | Ahlemann & Schlatter, 2800 Bremen | Electric luminaire of variable luminosity |
-
1974
- 1974-04-03 FR FR7412523A patent/FR2266853A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2266853A1 (en) | 1975-10-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CN | Change in juridical nature | ||
ST | Notification of lapse |