04258421 is referenced by 370 patents and cites 18 patents.

A device monitoring and recording system is described which is particularly applicable to on-board vehicle monitoring and recording of operating engine parameters. The system comprises a plurality of sensors for sensing operating parameters of the engine and for generating data signals in response thereto, a data processing unit for receiving the data signals and a portable data link for extracting the processed data. Means are also provided for analyzing the processed data in remote computing means to provide printouts for record keeping, maintenance and diagnostic purposes.

Title
Vehicle monitoring and recording system
Application Number
881221
Publication Number
4258421
Application Date
March 14, 1979
Publication Date
March 24, 1981
Inventor
Hansel O Williams
Troy
MI, US
John E Juhasz
Lake Orion
MI, US
Assignee
Rockwell International Corporation
PA, US
IPC
G08B 23/00
G06F 13/00
View Original Source