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. 20, 1995
Filed:
Jan. 12, 1994
Hiroyuki Tsuru, Tokyo, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A distance-measuring apparatus comprises a light emitting device for emitting a beam toward a plurality of portions in a field, a light receiving device for receiving a reflection beam from an object located at each of the plurality of portions and outputting a receiving signal according thereto, a selecting device for searching out a region where the receiving signal exceeds a predetermined value out of the plurality of portions and selecting an aimed portion for distance measurement from the searched-out region where the receiving signal exceeds the predetermined value, and a measuring device for measuring an object distance based on a receiving signal from the aimed portion for distance measurement.