Voltage adjusting circuit and contactless card and contactless card system which include the same
US8891270B2 · kind B2 · utility
5Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2012 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Dec 7, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A voltage adjusting circuit includes an inducing circuit configured to induce a voltage from electromagnetic waves, a first rectifying circuit configured to rectify an output signal of the inducing circuit, a second rectifying circuit configured to rectify the output signal of the inducing circuit, a first regulator configured to regulate an output signal of the first rectifying circuit, and a second regulator configured to regulate an output signal of the second rectifying circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.