RFID reader cancelling leakage signal
US8410905B2 · kind B2 · utility
6Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2008 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Oct 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2209/84
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A radio frequency identification (RFID) recorder for cancelling a leakage signal includes a digital unit calculating and storing an amplitude and a phase of the leakage signal, and a leakage cancellation circuit generating a leakage cancellation signal to cancel the leakage signal in response to a control of the digital unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.