Manufacturing apparatus for manufacturing TM dual mode dielectri

Details Manufacturing apparatus for manufacturing TM dual mode dielectri Manufacturing apparatus for manufacturing TM dual mode dielectri

1997-06-13

1998-07-14

Nguyen, Khanh P.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

425193, 425414, 425468, 425DIG10, 249 63, 249 64, B29C 4336

Patent

active

057800723

ABSTRACT:
In a TM dual mode dielectric resonator apparatus, a cross-shaped TM dual mode dielectric resonator is provided in an electrically conductive case, and the TM dual mode dielectric resonator includes first and second dielectric resonators integrally formed so as to be perpendicular to each other, and there is further formed at least one coupling groove for coupling an operation mode of the first dielectric resonator with that mode of the second dielectric resonator, wherein the coupling groove is formed on at least one of front and back surfaces of a crossing portion of the first and second dielectric resonators, in a diagonal direction thereof so as to cut electric lines of force of either one of an odd mode and an even mode. Alternatively, at least one coupling projection may be formed instead of the coupling groove.

REFERENCES:
patent: 4213932 (1980-07-01), Young
patent: 4867672 (1989-09-01), Sovensen
patent: 5275548 (1994-01-01), Tibiletti
patent: 5389329 (1995-02-01), Watanabe et al.
patent: 5458473 (1995-10-01), Banji

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