DUAL MODE OPTICAL NAVIGATION DEVICE AND MODE SWITCHING METHOD THEREOF
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United States of America Patent
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app pub date -
Jan 28, 2014
filing date -
Jan 28, 2014
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Abandoned
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Abstract
There is provided a mode switching method of a dual mode optical navigation device. The dual mode optical navigation device is configured to be operated on a working surface and has a first bottom surface and a second bottom surface having an included angle with the first bottom surface. The mode switching method includes: determining whether the first bottom surface or the second bottom surface contacts with the working surface; switching the dual mode optical navigation device to a first mode when identifying that the first bottom surface contacts with the working surface; and switching the dual mode optical navigation device to a second mode when identifying that the second bottom surface contacts with the working surface.
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