Transponder power supply, a transponder and a method for providing a transponder power supply current
US8737947B2 · kind B2 · utility
1Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2010 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Feb 6, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B5/79
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transponder power supply for providing a supply current based on an antenna input signal. The transponder power supply comprises an emergency circuit comprising a charging circuit, an emergency capacitor, and an output stage. The charging circuit is configured to charge the emergency capacitor based on the antenna input signal to a maximum voltage which is higher than a voltage of the antenna input signal. The output stage is configured to provide a contribution to the supply current using a charge of the emergency capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.