发明授权
US08139030B2 Magnetic sensor for use with hand-held devices 有权
用于手持设备的磁性传感器

Magnetic sensor for use with hand-held devices
摘要:
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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