Shielding for radiotelephones with retractable antennas
US6137998A · kind A · utility
6Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1997 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Dec 19, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/244
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Shields for radiotelephones with a retractable antenna include a conductive tubular antenna guide operably associated with an electronic ground, and preferably configured to form an inductor or capacitor in a matching circuit operable when the antenna is in the retracted position. Associated methods include directing RF radiation produced by the antenna positioned internal to the radiotelephone along a longitudinal exit path out of the radiotelephone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.