Antenna device
US7109925B2 · kind B2 · utility
4Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2004 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Jun 27, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/526
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The structure of an antenna device is simplified to reduce the size and cost. In an antenna case having a top cover and a bottom plate joined with each other, an antenna module receiving a signal transmitted from a GPS satellite, a low noise amplifier circuit (LNA circuit) directly provided on the ground plane of the antenna module for amplifying the signal received by the antenna module, and a shield case that shields the LNA circuit are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.