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:
Jun. 29, 1993
Filed:
Feb. 14, 1992
Applicant:
Inventor:
Yoshiaki Asayama, Hyogo, JP;
Assignee:
Mitsubishi Denki K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
356-1 ; 356-4 ; 358105 ; 358126 ;
Abstract
A guard rail detecting device mounted on a motor vehicle has: two image sensors spaced vertically to sense a scene in front of the motor vehicle; a window setting device for setting a plurality of windows on the display screen at predetermined positions; a distance calculating device for calculating the distances from the vehicle to the parts of the guard rail which are held as images in the windows; and a device for calculating the curvature of the guard rail from the distances thus calculated.