CAR ENTERTAINMENT CONTROL SYSTEM
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United States of America Patent
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app pub date -
Jan 20, 2017
filing date -
Jan 20, 2016
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Abandoned
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Abstract
A method of pairing a smartphone to a head unit in a motor vehicle includes determining whether the smartphone is in motion by use of an accelerometer within the smartphone. A first signal is transmitted from the head unit to the smartphone. A first RSSI is received from the head unit. The first RSSI is indicative of a strength of the first signal. A second signal is transmitted from the head unit to the smartphone. A second RSSI is received from the head unit. The second RSSI is indicative of a strength of the second signal. Pairing between the smartphone and the head unit is initiated only if it was determined that the smartphone is in motion, the second RSSI is greater than the first RSSI, and the second RSSI is greater than a threshold value.
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