DE200591C - - Google Patents
Info
- Publication number
- DE200591C DE200591C DENDAT200591D DE200591DA DE200591C DE 200591 C DE200591 C DE 200591C DE NDAT200591 D DENDAT200591 D DE NDAT200591D DE 200591D A DE200591D A DE 200591DA DE 200591 C DE200591 C DE 200591C
- Authority
- DE
- Germany
- Prior art keywords
- screen
- cone
- light source
- constrictions
- axis
- Prior art date
- 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.)
- Active
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
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE200591C true DE200591C (cs) |
Family
ID=463216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT200591D Active DE200591C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE200591C (cs) |
-
0
- DE DENDAT200591D patent/DE200591C/de active Active
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