Uninterruptible power system
US5532523A · kind A · utility
18Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 1994 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | May 4, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved uninterruptible power system including a UPS auto off circuit, a current limit protecting circuit, a power on overload protecting circuit, a simple charging circuit, a relay driver circuit, an external power voltage detecting circuit, a driver circuit, and a synchronizing circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.