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:
Jan. 30, 2024

Filed:

Apr. 12, 2022
Applicant:

Wistron Neweb Corporation, Hsinchu, TW;

Inventor:

Fu-Chi Chuang, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/48 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
H04B 1/48 (2013.01); H05K 1/0243 (2013.01);
Abstract

A communication device and a radio frequency circuit are provided. The communication device includes an antenna element, a transceiver, and the radio frequency circuit. The radio frequency circuit includes a substrate, a first conducting wire, a second conducting wire, and four transmission lines. The four transmission lines are respectively connected to two ends of the first conducting wire and two ends of the second conducting wire to form an input part, an output part, a coupling part, and an isolation part, respectively. The first conducting wire and the second conducting wire are separate from each other and coupled to each other, and each of a width of the first conducting wire and a width of the second conducting wire is not equal to a width of any one of the four transmission lines.


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