Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 12, 2007
Patent Application Number
10919882
Date Filed
August 16, 2004
Patent Primary Examiner
Patent abstract
A wireless terminal position detecting device for a portable device includes a plural n-number of transmission antennas disposed such that a portion of their reachable areas overlap, a signal dividing device for dividing a request signal into the plural n-number of divided parts, and a signal distributing device for causing the divided parts of the request signal to be transmitted sequentially from these transmission antennas. The position of the portable device is detected based on an answer signal returned from the portable device in response to the request signal.
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