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Traffic speed deviation computer
United States Patent 3082949
US Patent References:
Electrical computing apparatus
- - 2789760
Evaluation computer
- - 2965300
Inventors:
Barker, John L.
Publication Date:
03/26/1963
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Download PDF 3082949
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Assignee:
LAB FOR ELECTRONICS INC
Primary Class:
701/119
Other Classes:
340/936
International Classes:
G06G7/20
;
G06G7/76
;
G08G1/01
;
G06G7/00