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:
Aug. 07, 2012
Filed:
Jun. 05, 2009
Patrick S. Piemonte, San Francisco, CA (US);
Madhu Shrivastav, San Jose, CA (US);
Puneet Mishra, Santa Clara, CA (US);
Robert Mayor, Half Moon Bay, CA (US);
Ronald K. Huang, Milpitas, CA (US);
Parin Patel, San Francisco, CA (US);
Patrick S. Piemonte, San Francisco, CA (US);
Madhu Shrivastav, San Jose, CA (US);
Puneet Mishra, Santa Clara, CA (US);
Robert Mayor, Half Moon Bay, CA (US);
Ronald K. Huang, Milpitas, CA (US);
Parin Patel, San Francisco, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
The magnitude of a sensed, raw magnetic field in a portable device is monitored over a given time interval. The monitored magnitude is compared with predetermined criteria. Based on the comparison, recalibration of a compass function is signed. Other embodiments are also described and claimed.