BE466870A - - Google Patents
Info
- Publication number
- BE466870A BE466870A BE466870DA BE466870A BE 466870 A BE466870 A BE 466870A BE 466870D A BE466870D A BE 466870DA BE 466870 A BE466870 A BE 466870A
- Authority
- BE
- Belgium
- Prior art keywords
- producing
- dark
- lighting
- essential elements
- electrical installations
- Prior art date
Links
- 230000011664 signaling Effects 0.000 claims description 10
- 238000010616 electrical installation Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE466870A true BE466870A (cs) |
Family
ID=118055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE466870D BE466870A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE466870A (cs) |
-
0
- BE BE466870D patent/BE466870A/fr unknown
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