Power sourcing equipment having auto-zero circuit for determining and controlling output current
US7639469B2 · kind B2 · utility
5Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2005 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Oct 14, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/351
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A novel system and methodology for controlling an output of Power Sourcing Equipment in a Power over Ethernet system based on a current limit threshold. The PSE has an auto-zero circuit for comparing a monitored output current of the PSE with the current limit threshold to control the output of the PSE.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.