Antenna apparatus
US7515111B2 · kind B2 · utility
5Cited by
1References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2006 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Feb 2, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q19/13
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A magnetic member is interposed and arranged between an antenna element and a printed circuit board, and an air member or a dielectric member is interposed between the antenna element and the magnetic member. The magnetic member is constituted of a nanogranular structure in which magnetic nanoparticles with ferromagnetism are three-dimensionally dispersed and arranged in an insulating matrix substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.