Driver circuits for dimmable solid state lighting apparatus
US8810144B2 · kind B2 · utility
9Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | May 2, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/3725
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voltage regulator for generating a housekeeping voltage in a high voltage power supply circuit includes a charging switch coupled to a high voltage node and to a storage device at an output node, and a control voltage regulation circuit coupled to the charging switch and configured to cause the charging switch to generate a current pulse for charging the storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.