Electronic device, computer program product and method of...

Details Electronic device, computer program product and method of... Electronic device, computer program product and method of...

2007-01-09

2007-01-09

Fulton, Christopher W. (Department: 2859)

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

Reexamination Certificate

active

11036406

ABSTRACT:
There is provided an electronic device having a built-in compass, comprising: a processing unit for controlling functions of the electronic device; an input device for giving control commands; an acceleration sensor for measuring tilt angle of the electronic device. The processing unit is configured to set a horizontal condition required for the built-in compass, the horizontal condition indicating admissible values of tilt angle of the electronic device, to detect activation of a navigation application on the basis of the input device, to send a control command to the acceleration sensor for measuring a tilt angle of the electronic device when activation of the navigation application is detected, to compare the measured tilt angle with the horizontal condition for the built-in compass, and to calculate a compass direction when, on the basis of the comparison, it is detected that the electronic device meets the horizontal condition required.

REFERENCES:
patent: 2424254 (1947-07-01), Sawyer
patent: 5761094 (1998-06-01), Olson et al.
patent: 6516526 (2003-02-01), Iden
patent: 6651003 (2003-11-01), Woloszyk et al.
patent: 6877237 (2005-04-01), Withanawasam
patent: 6962001 (2005-11-01), Yano et al.

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