Band pass filter having resonators connected by off-set wire couplings
US7305261B2 · kind B2 · utility
2Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2004 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | May 5, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/20372
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A band pass filter which is configured by a microstrip line, or a strip line is provided. The band pass filter has a first half wavelength resonator which resonates at a center frequency of a pass band, a second half wavelength resonator which resonates at the center frequency of the pass band, and a transmission line through which the first half wavelength resonator is wire-coupled to the second half wavelength resonator. A strong coupling can be stably realized without causing deviation of the resonance frequencies of resonators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.