Inventor
GUSTAVSON ROBERT L
US6 patents
Patents
6 patentsUS5793491AAug 11, 1998
Intelligent vehicle highway system multi-lane sensor and method
SCHWARTZ ELECTRO OPTICS INC372 citations98
US5546188AAug 13, 1996
Intelligent vehicle highway system sensor and method
SCHWARTZ ELECTRO OPTICS INC192 citations97
US5757472AMay 26, 1998
Intelligent vehicle highway system sensor and method
SCHWARTZ ELECTRO OPTICS INC94 citations96
US5896190AApr 20, 1999
Intelligent vehicle highway system sensor and method
SCHWARTZ ELECTRO OPTICS INC69 citations95
US6304321B1Oct 16, 2001
Vehicle classification and axle counting sensor system and method
SCHWARTZ ELECTRO OPTICS INC80 citations94
US5321490AJun 14, 1994
Active near-field object sensor and method employing object classification techniques
SCHWARTZ ELECTRO OPTICS INC53 citations94