DE241720C - - Google Patents
Info
- Publication number
- DE241720C DE241720C DENDAT241720D DE241720DA DE241720C DE 241720 C DE241720 C DE 241720C DE NDAT241720 D DENDAT241720 D DE NDAT241720D DE 241720D A DE241720D A DE 241720DA DE 241720 C DE241720 C DE 241720C
- Authority
- DE
- Germany
- Prior art keywords
- chamber
- arc
- darkening
- stage
- coals
- 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
- 239000003245 coal Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B31/00—Electric arc lamps
- H05B31/003—Electric arc lamps of a special type
- H05B31/0036—Electric arc lamps of a special type for projection, copying or stage lighting
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE241720C true DE241720C (https=) |
Family
ID=500996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT241720D Active DE241720C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE241720C (https=) |
-
0
- DE DENDAT241720D patent/DE241720C/de active Active
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