Single feed point matching systems
US5856808A · kind A · utility
17Cited by
5References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1997 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Sep 29, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/244
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Single feed point matching systems for radiotelephones include a retractable antenna and a stationary ferrule contact which are configured to define a coaxial capacitor therebetween when the antenna is in the extended position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.