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:
Jul. 19, 2016
Filed:
Aug. 02, 2012
Tadao Sunahara, Toyama, JP;
Masahide Tamura, Toyama, JP;
Osamu Kawasaki, Toyama, JP;
Masaru Tsuchiya, Anjo, JP;
Ryuta Suzuki, Anjo, JP;
Makoto Tsuruta, Anjo, JP;
Nobuhiro Miwa, Anjo, JP;
Hitoshi Sakamoto, Anjo, JP;
Tadao Sunahara, Toyama, JP;
Masahide Tamura, Toyama, JP;
Osamu Kawasaki, Toyama, JP;
Masaru Tsuchiya, Anjo, JP;
Ryuta Suzuki, Anjo, JP;
Makoto Tsuruta, Anjo, JP;
Nobuhiro Miwa, Anjo, JP;
Hitoshi Sakamoto, Anjo, JP;
HOKURIKU ELECTRIC INDUSTRY CO., LTD., Toyama-Shi, JP;
ANDEN CO., LTD., Anjo, JP;
Abstract
A piezoelectric sound generating element capable of providing flatter and less fluctuated sound pressure frequency characteristics includes a diaphragm that is formed in a circular plate shape with a circular profile. A piezoelectric element is affixed to the side of a bottom wall portion of the diaphragm. The piezoelectric element has an asymmetric octagonal profile including a pair of long side portions opposing each other, a pair of short side portions opposing each other, and four connecting side portions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile