Planar antenna device
US6002367A · kind A · utility
126Cited by
8References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | May 19, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/0421
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An compact antenna device which is intended for a small-size portable radio communication device and comprises a ground plane (1), a first radiating patch (2), a grounding means (3) connecting the patch and the ground plane. The patch is fed by a feeding means (6) which is situated on the same or opposite side of the ground plane or coplanar therewith and couples through a slot (5) provided in the ground plane. The disclosed antenna device may include further radiating patches in the same or higher levels as the first radiating patch. The antenna device also provides for wideband and/or multiband operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.