Filtering device with metal cavity provided with dielectric inserts
US6211752A · kind A · utility
7Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1999 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Jun 30, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P7/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A filter device including a metal cavity (1, 11) closed by two end walls (3a, 3b; 13, 13b) extending transversely relative to the axis of said cavity (1, 11) and at least two dielectric inserts (4a, 4b; 14a to 14d) defining a resonator (5, 15a, 15b) in said cavity, characterized in that it includes at least one coupling iris (7a, 7b; 17) which also extends transversely relative to said axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.