Title:
TM DUAL MODE FILTER
Document Type and Number:
WIPO Patent Application WO/2018/039993
Kind Code:
A1
Abstract:
The present disclosure provides a filter comprises an enclosure having two cavities separated by a wall; a first TM dual-mode resonator and a second TM dual-mode resonator, each TM dual-mode resonator having two modes and comprising a body having a central portion with a plurality of arms extending outwardly from the central portion; a gradient aperture formed in the wall for coupling between two TM dual-mode resonators. The filter is capable of forming two transmission zeros between four resonances modes.
Inventors:
ZHANG XIAOLIANG (CN)
Application Number:
PCT/CN2016/097586
Publication Date:
March 08, 2018
Filing Date:
August 31, 2016
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
ZHANG XIAOLIANG (CN)
ZHANG XIAOLIANG (CN)
International Classes:
H01P1/20
Domestic Patent References:
| WO2014128491A1 | 2014-08-28 |
Foreign References:
| US5783979A | 1998-07-21 | |||
| US20060176129A1 | 2006-08-10 | |||
| CN104577269A | 2015-04-29 | |||
| CN204375882U | 2015-06-03 | |||
| EP0661770A2 | 1995-07-05 | |||
| US20060176129A1 | 2006-08-10 | |||
| EP0759645A2 | 1997-02-26 |
Other References:
See also references of EP 3507854A4
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
Download PDF:
Previous Patent: COMMUNICATION ENHANCEMENT METHOD BASED ON FORCE TOUCH
Next Patent: DRIVING DEVICE, PROPELLER AND POWER SYSTEM
Next Patent: DRIVING DEVICE, PROPELLER AND POWER SYSTEM