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. 25, 1998
Filed:
Nov. 15, 1996
Yoshiyuki Shimokawa, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
In a distance measuring apparatus, a plurality of line beams transmitted from a light source irradiate objects to form a plurality of images on the objects. Linear light sensors receive the plurality of images and generate a plurality of electric signals corresponding to the quantity of received light. A distance calculator portion carries out a product-sum operation using a predetermined function based on the plurality of electric signals, estimates a function to approximate a location of an image from a result of the product-sum operation, and calculates a distance to the object. Thus, the distance to the object can be measured at high speed and with high precision.