Dielectric resonator having a non-uniform effective...

Details Dielectric resonator having a non-uniform effective... Dielectric resonator having a non-uniform effective...

2007-09-18

2007-09-18

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Resonators

With tuning

C333S209000, C333S219100, C333S224000, C333S232000

Reexamination Certificate

active

10536616

ABSTRACT:
The present invention relates to an improved tuning arrangement to linearise the sensitivity to frequency changes within a certain frequency range in response to tuner displacements relative to a resonator body. The tuning arrangement comprises a tuner and/or resonator having a non-uniform distribution of the effective dielectric permittivity along the axis of tuner displacement. The non-uniform distribution of the effective dielectric permittivity is realised by subdividing the tuner into an arbitrary number of sections, each of which distinguishable at least by their geometrical shape and the value and distribution of the dielectric coefficient ∈r.

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patent: WO9966585 (1999-12-01), None
Tao Shen et al, Tunable Dielectric Resonators with Dielectric Tuning Disks in Cylindrical Enclosures, Microwave Theory and Techniques, IEEE Transactions on , vol. 3 Issue Dec. 2000, pp. 1441-1444, AN 6703859.
Swedish Patent Office, International Search Report for PCT/SE02/02451 dated Jul. 29, 2003.

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