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:
Sep. 22, 1987
Filed:
Mar. 18, 1986
Applicant:
Inventor:
Seiei Takeoka, Yokohama, JP;
Assignee:
Niles Parts Co., Ltd, Omorinishi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S / ; H04R / ;
U.S. Cl.
CPC ...
367 87 ; 367 99 ; 367140 ;
Abstract
A cylindrical member for preventing a roundabout of the supersonic wave is arranged around the transmitting and receiving opening of one of the sender or receiver of a supersonic wave device for a vehicle which is installed on the vehicle. Thereby the phenomenon of the roundabout of the supersonic wave is reduced and at the same time the duration time of phenomenon of the roundabout of the supersonic wave is decreased and the object of the short distance can be sensed.