RFID tag with frequency adjusting portion
US7486192B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2006 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Jan 3, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/28
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A radio frequency identification tag includes an antenna including a conductor pattern in a form of dipole, and connected to an integrated circuit chip of the radio frequency identification tag; an adjusting portion including at least one adjusting pattern connected to the conductor pattern to make the antenna compatible with an environment in which the antenna is used; and a marking portion at which directions for an adjusting operation using the adjusting portion is indicated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.