Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating
Patent
1985-05-07
1987-03-17
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Position indicating
342450, 342389, 340539, 340 63, G01S 302, B60R 2500
Patent
active
046511571
ABSTRACT:
A method and apparatus for positively indicating the position of a land-based vehicle, a marine vessel or an aircraft, utilizing a security system provided in the secured mode of transportation monitored by a central station. Navigational information transmitted by LORAN-C transmitters or satellite transmitters are received and then retransmitted to the central station which determines the exact latitude/longitude coordinates of the secured mode of transportation. The secured mode of transportation also includes a security panel for monitoring the condition of various parameters. An interface is connected to the security panel and the navigational receiver for coordinating the transmission of information relating to the conditions monitored by the security panel as well as the information received by the navigational receiver before they are sent to a radio for transmission to the central station.
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Carey and Welsh, "Location and Control of Vehicles" The SERT Journal V5, 7/71, No. 4, pp. 87-92.
Carrott John A.
Gendler Robert L.
Gray Donald R.
Green, III Lawrence R.
Blum Theodore M.
Cain D.
Mets, Inc.
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