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:
Nov. 01, 2005
Filed:
Jan. 26, 2001
Paul W. Dent, Pittsboro, NC (US);
Howard Eugene Holshouser, Efland, NC (US);
John Charles Phillips, Newhill, NC (US);
Rod Dolman, Forest, VA (US);
Ron Boesch, Morrisville, NC (US);
Paul W. Dent, Pittsboro, NC (US);
Howard Eugene Holshouser, Efland, NC (US);
John Charles Phillips, Newhill, NC (US);
Rod Dolman, Forest, VA (US);
Ron Boesch, Morrisville, NC (US);
Ericsson Inc., Research Triangle Park, NC (US);
Abstract
An adjustable matching network is provided for a wireless communications device transmitting and receiving signals in multiple frequency bands via an antenna. The adjustable matching network selectively connecting the antenna to a select power amplifier corresponding to a selected transmit frequency band and automatically matching the impedance of the antenna to the select power amplifier. The adjustable matching network also selectively connecting the antenna to a select bandpass filter corresponding to a selected receive frequency band and automatically matching the impedance of the antenna to the select bandpass filter.