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:
Nov. 02, 1993
Filed:
Apr. 06, 1992
Toshikazu Nakamura, Saitama, JP;
Sadachika Tsuzuki, Saitama, JP;
Kazunori Noda, Saitama, JP;
Kenji Kamimura, Saitama, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A position detection system for a moving body comprising means for rotatively scanning the light beam projected from a light beam generator mounted on the moving body in a substantially horizontal plane, and vibrating to vertically vibrate the rotatively scanned light beam in a cycle two times or more longer than the cycle of the rotative scan. The light beam projected from the moving body and reflected by the retroreflector means provided at at least three positions spaced apart from the moving body is received by a light beam receiver on the moving body, and the position of the moving body is detected on the basis of the directions of the light reception and the known positional information on the retroreflector means.