Large band inductive antenna for contactless communication systems
US8401471B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2008 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Dec 21, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q5/378
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Signal transmission and/or reception device, by contactless inductive coupling comprising at least one structure forming one or several antennas, said structure comprising a plurality of conducting links (102, 106) in at least two parallel and distinct planes, a first plurality of said conducting links forming a first conducting circuit (104, 204, 304, 404, 504, 604, 704) through which a current (I1) will circulate, and a second plurality of said conducting links forms at least one second conducting circuit (108, 208, 308, 408, 508, 608, 708), distinct from said first circuit, and through which a current (I2) will circulate, the links being arranged such that the coefficient coupling between pairs of said circuits is zero or at least less than 5% or less than 1%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.