RF tag and method of manufacturing the RF tag
US7548167B2 · kind B2 · utility
9Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2008 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | Jan 14, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/285
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An RF tag to accompany a conductive object is disclosed that includes an antenna and an integrated circuit connected to the antenna. The antenna includes a first radiating element, a second radiating element, a feeding part connected in series between the first and second radiating elements, and an impedance control part connected parallel to the feeding part. The antenna has an effective length shorter than half of a wavelength used in communication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.