Title:
SIREN
Document Type and Number:
WIPO Patent Application WO/2011/027200
Kind Code:
A1
Abstract:
Provided is a siren comprising: a piezoelectric disc which vibrates when a voltage is applied thereto; a vibrating disc which is formed substantially in a dome shape by being made up of a bulging portion bulging toward one side and a flange portion formed at the periphery of the bulging portion, and which generates sound by vibrating when vibration of the piezoelectric disc is transmitted to the vibrating disc with the piezoelectric disc being provided so as to cover a concaved portion formed on a side of the bulging portion, the side facing the other side; and a housing having a fixing means that fixes thereto the flange portion of the vibrating disc.
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Inventors:
ABE, Yutaka (1048,,Oaza-Kadoma, Kadoma-sh, Osaka Japan, 〒571-8686, JP)
阿部 豊 (〒 大阪府門真市大字門真１０４８番地 パナソニック電工株式会社内 Osaka, 〒571-8686, JP)
阿部 豊 (〒 大阪府門真市大字門真１０４８番地 パナソニック電工株式会社内 Osaka, 〒571-8686, JP)
Application Number:
IB2010/002128
Publication Date:
March 10, 2011
Filing Date:
August 31, 2010
Export Citation:
Assignee:
PANASONIC ELECTRIC WORKS CO., LTD. (1048, Oaza-Kadoma Kadoma-shi, Osaka, 〒571-8686, JP)
パナソニック電工株式会社 (〒 大阪府門真市大字門真１０４８番地 Osaka, 〒571-8686, JP)
ABE, Yutaka (1048,,Oaza-Kadoma, Kadoma-sh, Osaka Japan, 〒571-8686, JP)
パナソニック電工株式会社 (〒 大阪府門真市大字門真１０４８番地 Osaka, 〒571-8686, JP)
ABE, Yutaka (1048,,Oaza-Kadoma, Kadoma-sh, Osaka Japan, 〒571-8686, JP)
International Classes:
G10K9/122; B60Q5/00; B60R11/02; H04R1/28; H04R1/30; H04R17/00
Attorney, Agent or Firm:
JANG, Seong Ku (19th Fl, Trust Tower275-7 Yangjae-dong,Seocho-gu, Seoul 137-130, 137-130, KR)
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