Autonomous interrogatable information and position device

Details Autonomous interrogatable information and position device Autonomous interrogatable information and position device

1997-10-20

2000-07-04

Tsang, Fan S.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455439, 455436, 455456, 370331, 342450, 342457, H04Q 720, H04Q 700, G01S 302

Patent

active

060850906

ABSTRACT:
An autonomous interrogatable information and position device combines the functionality of a satellite communications device capable of sending and receiving voice and digital data messages, a geo-location device capable of self-determining its positional location; an input/output port configured to allow attachment of the device to external local site sensors or equipment in order to obtain external local site sensor data or control the equipment, and a control processor capable of monitoring and responding to positional location information, input sensor data, and incoming voice and digital data messages.

REFERENCES:
patent: 5418537 (1995-05-01), Bird
patent: 5715297 (1998-02-01), Wiedeman
patent: 5777580 (1998-07-01), Janky et al.
patent: 5839088 (1998-11-01), Hancock et al.

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