The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 03, 2026

Filed:

Feb. 25, 2022
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Jun Fu, Beijing, CN;

Weidong Wang, Beijing, CN;

Xueyuan Zhang, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/213 (2006.01); H01P 1/208 (2006.01); H01P 7/06 (2006.01);
U.S. Cl.
CPC ...
H01P 1/208 (2013.01); H01P 1/2136 (2013.01); H01P 7/06 (2013.01);
Abstract

The present disclosure relates to a communication device such as a multiplexer or a demultiplexer, comprising: a housing comprising a common first port and a plurality of second ports; a plurality of cavity filters for transmitting a wireless signal between the first port and a corresponding one of the second ports, each of the plurality of cavity filters comprising one or more cavities formed in the housing and a resonator arranged in each cavity; and a coupler for coupling the first port to each cavity filter. The coupler is arranged in one cavity of each cavity filter, and is coupled to the resonator in the one cavity.


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Fu, Jun. (2026). Communication device (U.S. Patent No. 12785238). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785238

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