Title:
DIELECTRIC WAVEGUIDE FILTER
Document Type and Number:
WIPO Patent Application WO/2021/168916
Kind Code:
A1
Abstract:
Disclosed in the present utility model is a dielectric waveguide filter. The dielectric waveguide filter comprises a dielectric body and a metal spray coated on the surface of the dielectric body. The dielectric body is provided as a cylindrical structure. The dielectric body comprises a first surface and a second surface arranged opposite to each other. The first surface is provided with a plurality of resonance holes recessed toward the second surface, and the second surface is provided with an input hole and an output hole recessed toward the first surface. A coupling hole is provided between any two adjacent resonance holes. The present utility model has a simple structure. Compared to a square filter, the dielectric waveguide filter provided with a cylindrical structure has a smaller volume and surface area, which may reduce the materials used during a fabrication process, further reduces production costs, and is more competitive.
Inventors:
HAN LI (CN)
LI LULONG (CN)
JIANG HUA (CN)
YUE YUEHUA (CN)
LI LULONG (CN)
JIANG HUA (CN)
YUE YUEHUA (CN)
Application Number:
PCT/CN2020/079237
Publication Date:
September 02, 2021
Filing Date:
March 13, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H01P1/20
Foreign References:
| CN110828947A | 2020-02-21 | |||
| CN110729534A | 2020-01-24 | |||
| CN110729540A | 2020-01-24 | |||
| CN110112517A | 2019-08-09 | |||
| US20150207193A1 | 2015-07-23 |
Attorney, Agent or Firm:
GUANGZHOU YUEXIU JILY PATENT & TRADEMARK LAW OFFICE (CN)
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