发明名称 PERSONAL SURVEILLANCE SYSTEM WITH LOCATING CAPABILITIES
摘要 A personal surveillance system configured to be worn by an individual includes a communication system configured to record communication files, a locating system configured to determine a location of the personal surveillance system, and a transmitter configured to send the communication files and the location of the personal surveillance system to a remote monitoring station. The locating system includes a satellite system interface configured to determine the location of the personal surveillance system and an alternate positioning system configured to determine the location of the personal surveillance system in at least one situation where the satellite system interface cannot determine the location of the personal surveillance system.
申请公布号 US2004164896(A1) 申请公布日期 2004.08.26
申请号 US20030371911 申请日期 2003.02.21
申请人 LOCKHEED MARTIN CORPORATION 发明人 EVANS JAMES P.
分类号 G01S5/00;G01S5/14;G01S19/35;G01S19/48;(IPC1-7):G01S5/14 主分类号 G01S5/00
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