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:
May. 05, 2015
Filed:
Aug. 27, 2012
Wei-shin Tung, Taoyuan, TW;
Yu-meng Yen, Taoyuan, TW;
Chen-fang Tai, Taoyuan, TW;
Pei-zong Rao, Taoyuan, TW;
Wan-ming Chen, Taoyuan, TW;
Wei-Shin Tung, Taoyuan, TW;
Yu-Meng Yen, Taoyuan, TW;
Chen-Fang Tai, Taoyuan, TW;
Pei-Zong Rao, Taoyuan, TW;
Wan-Ming Chen, Taoyuan, TW;
HTC Corporation, Taoyuan, TW;
Abstract
An electronic device includes an antenna, an RF circuit, and a matching circuit. The matching circuit is configured to provide variable impedance between the antenna and the RF circuit, wherein the matching circuit includes a first element having a first terminal and a second terminal, and wherein the first terminal is coupled to the antenna; a second element having a third terminal connected to the second terminal of the first element and a fourth terminal coupled to the RF circuit; a first tuning cell connected to the second terminal of the first element and the third terminal of the second element, and comprising a first tuning element, a second tuning element and a first control element, wherein the first control element determines whether to make a first node connected between the first and second tuning elements couple to a voltage level.