DE244024C - - Google Patents
Info
- Publication number
- DE244024C DE244024C DENDAT244024D DE244024DA DE244024C DE 244024 C DE244024 C DE 244024C DE NDAT244024 D DENDAT244024 D DE NDAT244024D DE 244024D A DE244024D A DE 244024DA DE 244024 C DE244024 C DE 244024C
- Authority
- DE
- Germany
- Prior art keywords
- disk
- mercury
- shaft
- magnets
- insulating material
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052753 mercury Inorganic materials 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/18—Fire preventing or extinguishing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE244024C true DE244024C (enrdf_load_stackoverflow) |
Family
ID=503098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT244024D Active DE244024C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE244024C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT244024D patent/DE244024C/de active Active
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