04395624 is referenced by 65 patents and cites 15 patents.

A system for and a method of recording information concerning vehicle operation comprising a logic circuit interfacing with a microprocessor whereby accurate velocity information can be recorded to provide a precise record of operation, including acceleration and deceleration information, over a period of time.

Title
Moving vehicle monitoring system
Application Number
6/203329
Publication Number
4395624
Application Date
November 3, 1980
Publication Date
July 26, 1983
Inventor
Heinz Wartski
Brookline
MA, US
Assignee
Fleet Tech
MA, US
IPC
G01P 3/48
View Original Source