Duplexer filter with offset resonator holes
US6724279B1 · kind B1 · utility
3Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2000 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Oct 3, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/2136
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A filter with an equivalent circuit that functions as well as physically larger filters without substantial drop off in performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.