Filter tuning assmebly
US5825267A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1997 |
| Grant date | Oct 20, 1998 |
| Priority date | — |
| Expiry date | Jul 24, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/2084
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A tuning assembly for an RF filter having an internal cavity. The tuning assembly is mounted on one of the filter walls and comprises an adjustment screw threadedly secured in the wall and having an inner end in the cavity and an outer free end external of the wall, a generally circular tuning plate, and a formed in situ molded connector fixedly securing the tuning plate to the inner end of the screw and for preventing relative movement therebetween. A formation is provided at the free end of the adjustment screw for facilitating rotation of the adjustment screw relative to the wall so that the tuning plate may be moved within the cavity toward and away from the wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.