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.
Patent No.:
Date of Patent:
Feb. 01, 2011
Filed:
Jul. 20, 2009
Pinghua He, Shenzhen, CN;
Xinlu LI, Shenzhen, CN;
Jianjun Chen, Shenzhen, CN;
Zhaolu Wei, Shenzhen, CN;
Gang Ju, Shenzhen, CN;
Pinghua He, Shenzhen, CN;
Xinlu Li, Shenzhen, CN;
Jianjun Chen, Shenzhen, CN;
Zhaolu Wei, Shenzhen, CN;
Gang Ju, Shenzhen, CN;
Huawei Technologies, Co., Ltd., Shenzhen, CN;
Abstract
A directional coupler and a receiving or transmitting device. The directional coupler includes: a primary signal line composed of a metal rod; and a coupled signal line composed of a microstrip line in a curved shape on a printed circuit board; wherein the medium between the metal rod and the microstrip line is air. Compared with existing directional coupler, the directional coupler of the embodiments of the disclosure has a lower transmitting loss, a large power capacity, and a high directional qualification. The directional coupler is capable of ensuring a higher passive intermodulation qualification. The advantages of the embodiments of the present disclosure are easier assembly, good uniformity of the qualifications, and adaptability for various application environments. The directional coupler of the disclosure ensures different parameter qualifications, and is simple to assemble, so that the low cost is achieved.