FR2275730B3 - - Google Patents
Info
- Publication number
- FR2275730B3 FR2275730B3 FR7518230A FR7518230A FR2275730B3 FR 2275730 B3 FR2275730 B3 FR 2275730B3 FR 7518230 A FR7518230 A FR 7518230A FR 7518230 A FR7518230 A FR 7518230A FR 2275730 B3 FR2275730 B3 FR 2275730B3
- 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
- F21V5/00—Refractors for light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Polarising Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48034374A | 1974-06-18 | 1974-06-18 | |
| US57117175A | 1975-05-01 | 1975-05-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2275730A1 FR2275730A1 (fr) | 1976-01-16 |
| FR2275730B3 true FR2275730B3 (ko) | 1978-02-03 |
Family
ID=27046551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7518230A Granted FR2275730A1 (fr) | 1974-06-18 | 1975-06-11 | Panneau pour luminaire |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5167681A (ko) |
| DE (1) | DE2526059A1 (ko) |
| FR (1) | FR2275730A1 (ko) |
| GB (1) | GB1515004A (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59188942A (ja) * | 1983-04-11 | 1984-10-26 | Nec Corp | 高耐圧ｉｃ |
| AT403403B (de) * | 1987-02-12 | 1998-02-25 | Zumtobel Ag | Abdeckung für leuchten |
| JP2022104454A (ja) * | 2020-12-28 | 2022-07-08 | 株式会社ダイセル | マイクロレンズアレイ、拡散板及び照明装置 |
-
1975
- 1975-05-23 GB GB22949/75A patent/GB1515004A/en not_active Expired
- 1975-06-11 DE DE19752526059 patent/DE2526059A1/de not_active Ceased
- 1975-06-11 FR FR7518230A patent/FR2275730A1/fr active Granted
- 1975-06-18 JP JP50073258A patent/JPS5167681A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2275730A1 (fr) | 1976-01-16 |
| JPS5167681A (ko) | 1976-06-11 |
| GB1515004A (en) | 1978-06-21 |
| DE2526059A1 (de) | 1976-03-25 |