Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yu Jianping0
Haidong Liu0
Pan Guozhi0
Yang Zhao0
Date of Patent
March 20, 2012
0Patent Application Number
127048960
Date Filed
February 12, 2010
0Patent Primary Examiner
Patent abstract
The use of magnetic field sensing to perform sophisticated command control and data input into a portable device is disclosed. A magnetic field sensor is embedded or fixedly attached to a portable device to measure changes in the magnetic field strength and/or direction accompanying movement, motion or tilt of the device in one-, two- or three-dimensions when the portable device is used to air-write or make gestures.
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