Abstract
The invention relates to an antenna construction for an RFID chip for long ranges, which comprises a substrate, an antenna of conducting material supported by the substrate, the antenna is formed as a magnetic dipole, and coupling means for coupling the antenna to a circuit, which coupling means are formed by overlapping extensions of the antenna conductor. In accordance with the invention the antenna is formed of at least three sections each of different width W1, W2 and W3, where the sections are widest and the section is the narrowest W2 with an optimized shape.
Patent family as of 6.10.2021
P2774218 A1 20140910 EP20120798334 20121031
JP2014533057 T2 20141208 JP20140540528T 20121031
JP6253588 B2 20171227 JP20140540528T 20121031
US2014374490 AA 20141225 US20120355850 20121031
US9349091 BB 20160524 US20120355850 20121031
WO13064741 A1 20130510 WO2012FI51058 20121031
Link to current patent family on right
| Original language | English |
|---|---|
| Patent number | US2014374490 |
| IPC | H01Q 9/ 28 A I |
| Priority date | 31/10/12 |
| Publication status | Published - 25 Dec 2014 |
| MoE publication type | H1 Granted patent |