Radio frequency antenna
US6366249B1 · kind B1 · utility
9Cited by
2References
1Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 5, 2000 |
| Grant date | Apr 2, 2002 |
| Priority date | — |
| Expiry date | Sep 5, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/32
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A vehicle antenna comprising: an antenna structure having an input impedance, ZA, equal to a sum of a resistance and an active impedance; a circuit element having high circuit element impedance at an operating frequency range of the antenna, wherein the circuit element is coupled in parallel with the input impedance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.