Piezoelectric sound element

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United States of America Patent

PATENT NO 9398377
APP PUB NO 20140241550A1
SERIAL NO

14237438

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
ANDEN CO LTD1-10 SASAME-CHO ANJO-CITY AICHI-PREF 446-8503
HOKURIKU ELECTRIC INDUSTRY CO LTD3158 SHIMO-OKUBO OSAWANO-MACHI KAMI-NIIKAWAGUN TOYAMA PREF

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawasaki, Osamu Toyama, JP 67 1269
Miwa, Nobuhiro Anjo, JP 3 16
Sakamoto, Hitoshi Anjo, JP 170 1468
Sunahara, Tadao Toyama, JP 6 78
Suzuki, Ryuta Anjo, JP 53 361
Tamura, Masahide Toyama, JP 11 64
Tsuchiya, Masaru Anjo, JP 41 438
Tsuruta, Makoto Anjo, JP 49 572

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