KEYBOARD AND CONTROL METHOD THEREOF
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United States of America Patent
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Issued Date -
Nov 3, 2016
app pub date -
Apr 28, 2016
filing date -
Apr 30, 2015
priority date (Note) -
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Abstract
A keyboard wirelessly connecting to one of multiple hosts is provided. Each host has a device ID code and a device authorization code. The keyboard includes a host selection device, a storage device, a connection device, and a communication device. The storage device stores a lookup table including multiple host codes, each corresponding to one device ID code and one device authorization code. The host selection device selects a candidate host code when receiving a first operation. The connection device receives a second operation different from the first operation. When the second operation lasts shorter than a threshold period, the keyboard connects to a host having the device ID code and the device authorization code corresponding to the candidate host code. When the second operation lasts longer than the threshold period, the keyboard updates the device ID code and the device authorization code corresponding to the candidate host code.
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