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:
Mar. 05, 1996
Filed:
Sep. 26, 1994
Applicant:
Inventors:
Masaharu Kota, Nagaokakyo, JP;
Kazuya Nakatera, Nagaokakyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01H / ;
U.S. Cl.
CPC ...
73652 ; 73649 ; 73 3511 ;
Abstract
An ultrasonic sensor (21) includes a case consisting of a case body (21) and a base (23), a piezoelectric diaphragm (25) which is arranged in the case, a conical vibrator (32) which is bonded to an ultrasonic transmitting/receiving side of the piezoelectric diaphragm (25), and a tubular member (24) which is arranged in front of the vibrator (32) for guiding ultrasonics.