Antenna pattern, RFID inlay, RFID label, and RFID medium
US11227205B2 · kind B2 · utility
0Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2019 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Jan 31, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/285
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna pattern used in a UHF frequency band RFID inlay is provided with a substance; a dipole antenna formed from a metal foil upon the front surface of the substance; and a sub-element formed from a metal foil upon the back surface of the substance, wherein the dipole antenna is provided with a loop portion having a IC chip connecting portion; a pair of meanders configured to respectively extend from the loop portion so as to be line symmetrical; and capacitance hats, the sub-element has a pair of U-shapes, and a part of the sub-element overlaps with the dipole antenna through the substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.