DE242531C - - Google Patents
Info
- Publication number
- DE242531C DE242531C DENDAT242531D DE242531DC DE242531C DE 242531 C DE242531 C DE 242531C DE NDAT242531 D DENDAT242531 D DE NDAT242531D DE 242531D C DE242531D C DE 242531DC DE 242531 C DE242531 C DE 242531C
- Authority
- DE
- Germany
- Prior art keywords
- pairs
- coals
- coal
- lamp
- carbon
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 239000003245 coal Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 description 8
- 230000001960 triggered Effects 0.000 description 3
- 230000001105 regulatory Effects 0.000 description 2
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
- H05B31/0081—Controlling of arc lamps
- H05B31/009—Controlling of arc lamps with tightening devices
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE242531C true DE242531C (fr) |
Family
ID=501730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT242531D Active DE242531C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE242531C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1055121B (de) * | 1953-07-07 | 1959-04-16 | Dresden Feinmess | Verfahren und Vorrichtung zur Verlaengerung der Brenndauer von Bogenlampen, insbesondere Kinobogenlampen |
-
0
- DE DENDAT242531D patent/DE242531C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1055121B (de) * | 1953-07-07 | 1959-04-16 | Dresden Feinmess | Verfahren und Vorrichtung zur Verlaengerung der Brenndauer von Bogenlampen, insbesondere Kinobogenlampen |
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