Title:
警報器
Document Type and Number:
Japanese Patent JP7165861
Kind Code:
B2
Abstract:
An object is to provide an alarm configured to secure a sound volume while a sound outputter is protected. An alarm (10) includes a sound outputter (30) configured to generate a sound and a housing (50) in which the sound outputter (30) is accommodated. The housing (50) includes a shielding part (61c) and one or more air passages (P11). The shielding part (61c) has an airtight structure and covers the sound outputter (30). The one or more air passages (P11) are configured to transmit the sound from the sound outputter (30) through an opening (51) disposed at a location different from a location of the shielding part (61c) to an outside of the housing (50).
Inventors:
Yoshitake Shimada
Application Number:
JP2018123641A
Publication Date:
November 07, 2022
Filing Date:
June 28, 2018
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G10K9/12; G08B17/00; G08B17/10; G10K9/15
Domestic Patent References:
| JP2009230546A | ||||
| JP2014086636A | ||||
| JP2011186643A |
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office
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