专利名称：Keyless entry system发明人：Nakashima, Satoshi,Hayasaka,
Satoshi,Nagaoka, Shuichi
申请号：EP07002114.2申请日：20070131公开号：EP1816039B1公开日：20090422
摘要：An on-vehicle control unit includes a memory storing a first data group havingsignal strength information of a plurality of request signals transmitted from a pluralityof transmitting antennas before and after movement of a movable object when aportable device is placed along an inner surface of a vehicle and a second data grouphaving signal strength information of the plurality of request signals transmitted fromthe plurality of transmitting antennas before and after the movement of the movableobject when the portable device is placed along an outer surface of the vehicle. The on-vehicle control unit determines which of the first and second data groups request signalstrength information received from the portable device closely resembles.
申请人：ALPS ELECTRIC CO LTD
地址：JP
国籍：JP
代理机构：Klunker . Schmitt-Nilson . Hirsch
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