Portable radio communication device with improved antenna radiation efficiency
US6348895B1 · kind B1 · utility
6Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2000 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Jul 26, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q19/10
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A portable radio telephone (1) with improved antenna radiation efficiency. The radio telephone (1) has an antenna (5) asymmetrical about a feedpoint (9). A two part housing (3, 4) partially encloses the antenna (5) and an electrically conductive surface provides a reflector (10) for antenna (5), the reflector (10) having a length that is at least half a wavelength of an intended lowest operating frequency of the radio telephone (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.