Data processing: measuring – calibrating – or testing – Calibration or correction system – Direction
Reexamination Certificate
2011-05-24
2011-05-24
Nghiem, Michael P (Department: 2857)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Direction
Reexamination Certificate
active
07949485
ABSTRACT:
A portable terminal device101of the invention having at least two or more cases joinable in a plurality of different joining shapes includes a magnetism detection section8being provided in at least one of the two or more cases for detecting a magnetism quantity; a storage section9for storing the effect amount produced by magnetism from a magnetism generation source of the portable terminal device101in the detected magnetism quantities for each of the plurality of different joining shapes of the portable terminal device101; a case shape detection section4for detecting a joining shape of the portable terminal device101; a data processing section3for correcting the detected magnetism quantity based on the stored effect amount in the detected joining shape; and a position measurement section2for measuring an azimuth based on the corrected magnetism quantity.
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Nghiem Michael P
Panasonic Corporation
Pearne & Gordon LLP
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