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Title:
MULTIMODAL DIELECTRIC RESONANCE DEVICE, DIELECTRIC FILTER, COMPOSITE DIELECTRIC FILTER, SYNTHESIZER, DISTRIBUTOR, AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/1999/012225
Kind Code:
A1
Abstract:
A multimodal dielectric resonance device wherein the arrangement of dielectric cores in the cavity is easy and which comprises a plurality of stages of resonators and has a high Qo value. Dielectric cores (1b, 1c) that resonate in a plurality of modes such as TM01$g(d)-(x-z), TE01$g(d)-y, TM01$g(d)-(x+z) are supported in nearly the central portion of a cavity (2) in a floated state by using support members (3) and spaced from the inner wall surfaces of the cavity (2) at predetermined distances.

Inventors:
HATTORI JUN (JP)
TANAKA NORIHIRO (JP)
ABE SHIN (JP)
KURISU TORU (JP)
Application Number:
PCT/JP1998/003831
Publication Date:
March 11, 1999
Filing Date:
August 28, 1998
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
HATTORI JUN (JP)
TANAKA NORIHIRO (JP)
ABE SHIN (JP)
KURISU TORU (JP)
International Classes:
H01P1/208; H01P1/213; H01P5/12; H01P1/20; H01P7/10; (IPC1-7): H01P7/10; H01P1/20; H01P1/213
Foreign References:
JPH07193405A1995-07-28
JPH0878903A1996-03-22
JPH09148810A1997-06-06
JPH0758516A1995-03-03
JPH0563414A1993-03-12
JPS61277205A1986-12-08
Other References:
See also references of EP 1014474A4
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