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:
Apr. 16, 2019
Filed:
Aug. 24, 2017
Beijing Bbef Science & Technology Co.,ltd., Beijing, CN;
Liang Zhao, Beijing, CN;
Zhenyu Yuan, Beijing, CN;
Guangjian Li, Beijing, CN;
Weize Li, Beijing, CN;
Nianxi Xue, Beijing, CN;
Beijing BBEF Science & Technology Co.,Ltd., Beijing, CN;
Abstract
A filter circuit in a radio frequency power detection circuit includes input and output lines, wherein: an input terminal of the input and output lines is connected with a first capacitor, the first capacitor is connected with a first filtering sub-circuit; the first filtering sub-circuit is connected with a third capacitor, the third capacitor is connected with a second filtering sub-circuit; the second filtering sub-circuit is connected with an output terminal of the input and output lines. The filter circuit of the present invention is able to effectively improve the detection accuracy of the radio frequency electric source output power, thereby improving the power output accuracy of the radio frequency electric source.