Operating device having a test switch and status indicator
US10757780B2 · kind B2 · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 3, 2017 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Oct 3, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Arrangement comprising an operating device (1) for emergency lighting and a first light-emitting diode (12), a second light-emitting diode (13, and a test switch (11), wherein the operating device (1) comprises a first connection (9.1) and a second connection (9.2), wherein the first light emitting diode (12) and the second light emitting diode (13) are connected in parallel between the first connection (9.1) and the second connection (9.2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.