The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2002
Filed:
Apr. 02, 2001
Applicant:
Inventors:
Masahito Takagi, Cambridge, MA (US);
Ichiro Masaki, Boxboro, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08G 1/00 ;
U.S. Cl.
CPC ...
G08G 1/00 ;
Abstract
A road surface monitoring system for monitoring the condition of a road surface wherein at least one sensor unit is interchangeably provided in a sealed container disposed below the road surface and a power source is provided to power the sensor unit, and a communications device is provided to obtain measurement and/or monitoring data from the at least one sensor unit and to provide control signals to the at least one sensor unit, whereby an inexpensive and readily maintainable system is provided.