RFID tag for rubber product and method of manufacturing RFID tag for rubber product
US12265875B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2021 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Feb 12, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An RFID tag 1 for a rubber product is provided with a coupling transformer 40, an RF chip 10 connected to a secondary side of the coupling transformer, a printed circuit board 20 on which the RF chip is mounted, and an antenna 30, wherein the antenna comprises a coil section 31, a first element 32 extending from one end of the coil section, and a second element 33 extending from another end of the coil section in parallel with the first element and shorter than the first element, the coil section has fewer windings than the coupling transformer 40 on the secondary side, and the printed circuit board 20 is held in a gap between strands of the coil section such that the coil section forms a primary side of the coupling transformer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.