JPH0157801U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the main parts of an embodiment of the present invention, Fig. 2 is a perspective view showing an example of a conventional dielectric filter, and Fig. 3 shows the relationship between the dielectric column and the metal case in the conventional example. 4 is a sectional view for explaining the problems of the conventional example, FIGS. 5 to 7 are perspective views for explaining each dielectric resonator used in the embodiment, and FIG. 8 is a sectional view for explaining the problems of the conventional example. 9 is a cross-sectional view showing an example of a coupling structure with the outside in the embodiment, and FIG. 9 is a schematic cross-sectional view showing another embodiment of the present invention. In the figure, 11 is a metal case, 12 to 14 are dielectric resonators, 12a, 13a, and 17 are frame bodies, and 1
2b, 13b, 15, 16 are dielectric pillars, 12c,
13c and 17c indicate electrodes.

Claims (1)

[Claims for Utility Model Registration] Comprising a frame made of dielectric ceramics with electrodes formed on its outer surface, and dielectric columns made of the same material as the frame and integrally provided within the frame. A plurality of dielectric resonators are provided, the plurality of dielectric resonators are assembled so that the openings of the frames overlap with each other, and the plurality of dielectric resonators are assembled to hold the assembled dielectric resonators. A dielectric filter further comprising a metal case housing a dielectric resonator.