04897642 is referenced by 238 patents and cites 25 patents.

Apparatus and method for monitoring the status of a multiple part vehicle are disclosed. Apparatus according to the invention comprises a tag on a second part of the vehicle which impresses a unique ID code of the vehicle's existing electrical system. An interface unit in a first part of the vehicle detects the presence of a valid ID code on the vehicle's electrical system and in response provides an indication that the second part of the vehicle is connected. A mobile satellite transmitter provides data indicative of the status of the vehicle to an earth station via a satellite. Vehicle position data is also provided to the earth station with each transmission.

Title
Vehicle status monitor and management system employing satellite communication
Application Number
7/258162
Publication Number
4897642
Application Date
October 14, 1988
Publication Date
January 30, 1990
Inventor
Kenneth W Paist
Philadelphia
PA, US
Michael Negin
Pennsauken
NJ, US
Stephan C Schifter
Philadelphia
PA, US
Joseph V DiLullo
Rydal
PA, US
Agent
Woodcock Washburn Kurtz Mackiewicz & Norris
Assignee
Secura Corporation
PA, US
IPC
G08B 5/22
H04B 1/00
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