Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nadav Lavi0
Moshe Laifenfeld0
Kobi J. Scheim0
Date of Patent
February 13, 2018
0Patent Application Number
151638930
Date Filed
May 25, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A passive entry-passive start portable device detection system. A portable device includes a transceiver. At least one vehicle-based transceiver broadcasts an interrogation signal. The transceiver of the portable device transmits a response signal in response to the interrogation signal. A controller determining at least a range of the portable device as a function of the time-of-flight of the interrogation and response signals. The controller controls a measurement duty cycle of the interrogation signal as a function of the determined range.
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