Dual protocol input device
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United States of America Patent
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Apr 29, 2014
Grant Date -
N/A
app pub date -
Mar 27, 2009
filing date -
Mar 27, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A dual protocol input device for use with a host system is provided. In one embodiment, the input device comprises a chip with a number of semiconductor devices integrally formed thereon, including: an optical navigation sensor (ONS) to sense movement of the ONS relative to a surface; a wired protocol block to communicate data from the ONS to the host system by a wired communication protocol; a wireless protocol block to communicate data from the ONS to the host system by a wireless communication protocol; and a micro-controller coupled to the ONS, the wired protocol block and the wireless protocol block, to switch the input device between the wireless communication protocol and the wired communication protocol.
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