Smart key system
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United States of America Patent
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Oct 31, 2017
Grant Date -
Sep 28, 2017
app pub date -
Mar 14, 2017
filing date -
Mar 23, 2016
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A smart key system includes a control unit mounted on a vehicle and configured to cause vehicle-mounted equipment to perform a predetermined operation when a first receiving unit has shifted from a state where a response signal is receivable to a state where the response signal is unreceivable in a case where a predetermined manipulation has been performed in the vehicle or a portable device; and a communicable distance extending unit configured such that at least one of a transmission intensity with which a first transmitting unit transmits a request signal and a reception sensitivity with which a second receiving unit receives the request signal is made higher than a predetermined normal value until a predetermined timing when the predetermined manipulation has been performed in the vehicle or the portable device.
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