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:
Jul. 05, 2011
Filed:
May. 30, 2008
Jacobus Cornelis Haartsen, Hardenberg, NL;
Frank Hooijschuur, Emmen, NL;
William O. Camp, Jr., Chapel Hill, NC (US);
Charles Liu, Chapel Hill, NC (US);
Jacobus Cornelis Haartsen, Hardenberg, NL;
Frank Hooijschuur, Emmen, NL;
William O. Camp, Jr., Chapel Hill, NC (US);
Charles Liu, Chapel Hill, NC (US);
Sony Ericsson Mobile Communications AB, Lund, SE;
Abstract
Methods of operating a satellite navigation system (SNS) receiver in a portable electronic device according to some embodiments include determining the presence or absence of a low frequency signal associated with power distribution lines, and disabling the SNS receiver in response to detecting the low frequency signal associated with power distribution lines. The methods may further include detecting weakening of a satellite navigation signal, and determining the presence or absence of a low frequency signal associated with power distribution lines may be performed in response to a detected weakening of the satellite navigation signal. Related devices are also disclosed.