Lighted switch
US9281140B2 · kind B2 · utility
0Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2014 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Aug 26, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention is directed to a switch comprising an LED for indicating when a connected electrical device is activated or not. In certain examples, the electrical device is a water pump. In certain examples, the invention is drawn to a circuit comprising a switch, a logic circuit, an electrical device, and an LED subcircuit, whereby the electrical device is turned on by closing the switch, and whereby the LED functions as an indicator light remaining on while the electrical device remains on, and turning off when the electrical device is turned off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.