Antenna
US6094179A · kind A · utility
52Cited by
11References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Nov 2, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q11/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna for portable radio apparatus, comprising a conductive filament arranged in a tapering corrugated configuration having an envelope extending from a narrow portion to a wider portion. The conductive filament is arcuately disposed about a longitudinal direction of the tapering configuration, thereby forming a generally tubular antenna. The conductive filament may be fabricated using metal printing technology.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.