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:
Oct. 12, 1999
Filed:
Sep. 18, 1996
Applicant:
Inventors:
Yihong Qi, Waterloo, CA;
Lizhong Zhu, Waterloo, CA;
Peter J Edmonson, Hamilton, CA;
Perry Jarmuszewski, Guelph, CA;
Steven Carkner, Waterloo, CA;
Assignee:
Research In Motion Limited, Waterloo, CA;
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343702 ; 343806 ; 343821 ; 343822 ;
Abstract
An RF data communications device antenna system is shown that includes a dipole and an electromagnetic coupler that provides coupling between each dipole arm to establish a desired resonant bandwidth. An LC matching circuit is provided for matching the dipole to the impedance of the RF data communications device and for transforming the RF signal between the dipole arms of the antenna system.
Quick Actions:
Qi, Yihong. (1999). Antenna system for an rf data communications device (U.S. Patent No. 5966098). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5966098
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile