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:
Jan. 01, 2013
Filed:
May. 24, 2010
Mark T. Montgomery, Melbourne Beach, FL (US);
Frank M. Caimi, Vero Beach, FL (US);
Paul A. Tornatta, Jr., Melbourne, FL (US);
Mark W. Kishler, Rockledge, FL (US);
LI Chen, Melbourne, FL (US);
Mark T. Montgomery, Melbourne Beach, FL (US);
Frank M. Caimi, Vero Beach, FL (US);
Paul A. Tornatta, Jr., Melbourne, FL (US);
Mark W. Kishler, Rockledge, FL (US);
Li Chen, Melbourne, FL (US);
SkyCross, Inc., Viera, FL (US);
Abstract
A method is provided for reducing near-field radiation and specific absorption rate (SAR) values in a communications device. The communications device includes a multimode antenna structure transmitting and receiving electromagnetic signals and circuitry for processing signals communicated to and from the antenna structure. The method includes adjusting the relative phase between signals fed to neighboring antenna ports of the antenna structure such that a signal fed to the one antenna port has a different phase than a signal fed to the neighboring antenna port to provide antenna pattern control and to increase gain in a selected direction toward a receive point. The method features using a transmit power lower than the transmit power used in a non-pattern control operation of the antenna structure such that the communications device obtains generally equivalent wireless link performance with the receive point using reduced transmit power compared to the non-pattern control operation, thereby reducing the specific absorption rate.