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:
Oct. 18, 1988
Filed:
Jul. 08, 1987
Applicant:
Inventors:
Masashi Konno, Yamagata, JP;
Takeshi Inoue, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310325 ; 310334 ;
Abstract
A front mass and a rear mass are respectively provided at both ends of a piezoelectric vibrator. The piezoelectric vibrator, front mass and rear mass are firmly cramped and are contained in a cylindrical resonator. Either the rear mass or the front mass and the cylindrical resonator are connected by a coupler.
Konno, Masashi. (1988). Ultrasonic transducer (U.S. Patent No. 4779020). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4779020
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile