FR598772A - - Google Patents
Info
- Publication number
- FR598772A FR598772A FR598772DA FR598772A FR 598772 A FR598772 A FR 598772A FR 598772D A FR598772D A FR 598772DA FR 598772 A FR598772 A FR 598772A
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB13352/24A GB238327A (en) | 1924-05-30 | 1924-05-30 | Improvements in coverings for glass lamp shades or reflectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR598772A true FR598772A (en) | 1925-12-24 |
Family
ID=10021386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR598772D Expired FR598772A (en) | 1924-05-30 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1603055A (en) |
| FR (1) | FR598772A (en) |
| GB (1) | GB238327A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3240923A (en) * | 1962-03-16 | 1966-03-15 | Zeiss Ikon Ag | Reflector for flash guns |
| US7352339B2 (en) * | 1997-08-26 | 2008-04-01 | Philips Solid-State Lighting Solutions | Diffuse illumination systems and methods |
| US6806659B1 (en) | 1997-08-26 | 2004-10-19 | Color Kinetics, Incorporated | Multicolored LED lighting method and apparatus |
| US20030133292A1 (en) | 1999-11-18 | 2003-07-17 | Mueller George G. | Methods and apparatus for generating and modulating white light illumination conditions |
| US7186003B2 (en) | 1997-08-26 | 2007-03-06 | Color Kinetics Incorporated | Light-emitting diode based products |
| PT1422975E (en) | 2000-04-24 | 2010-07-09 | Philips Solid State Lighting | Light-emitting diode based product |
-
0
- FR FR598772D patent/FR598772A/fr not_active Expired
-
1924
- 1924-05-30 GB GB13352/24A patent/GB238327A/en not_active Expired
-
1925
- 1925-05-19 US US31425A patent/US1603055A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1603055A (en) | 1926-10-12 |
| GB238327A (en) | 1925-08-20 |