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Patent Searching and Data


Title:
TDOA分散アンテナを使用したターゲットの位置特定方法及び装置
Document Type and Number:
Japanese Patent JP4644197
Kind Code:
B2
Abstract:
This invention is a system and method of locating a target using distributed antenna. The antenna consists of several receiving elements in known locations. At least one of the receiving elements is also a transmitter and transmits an interrogation signal to a target. The return signal from the target is received by a plurality of receiving elements and the target's position is calculated using the time of arrivals of the reply signal and the round trip delay between the transmission of the interrogation signal and the reception of the subsequent reply signal.

Inventors:
Ilhaf Pearl
Michael jay jerry
Application Number:
JP2006523261A
Publication Date:
March 02, 2011
Filing Date:
August 09, 2004
Export Citation:
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Assignee:
Sensis Corporation
International Classes:
G01S13/46; G01S5/02; G01S5/06; G01S5/12; G01S5/14; G01S13/74; G01S13/87; G01S13/91
Domestic Patent References:
JP4289481A
JP2003215225A
JP9297175A
JP2500390A
JP2001512240A
JP2002357651A
JP2002296335A
JP11271418A
JP9159755A
JP61147984U
JP5002070A
Foreign References:
US6208297
Attorney, Agent or Firm:
Inoue Ichi
Takekoshi Noboru
Enami Tomokazu
Yasushi Kuroda