Title:
携帯用サイレン及び緊急通報装置、並びにその組み合わせ
Document Type and Number:
Japanese Patent JP6851654
Kind Code:
B2
Abstract:
Portable siren or emergency call device with a portable siren, comprising a loudspeaker (8), so as to emit an audio signal, preferably with a high sound pressure; an inner and/or outer switching element (14) for turning off and preferably for turning the audio signal on and off, and an outer switch and/or outer dummy switch (4).
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Inventors:
Rudolph Seeking
Application Number:
JP2019536875A
Publication Date:
March 31, 2021
Filing Date:
March 13, 2017
Export Citation:
Assignee:
Rudolph Seeking
International Classes:
G08B25/04; G08B15/00; G08B21/00; G10K15/04
Domestic Patent References:
| JP2008172451A | ||||
| JP2007316450A | ||||
| JP2007150650A |
Foreign References:
| CN103942915A | ||||
| US20040066299 | ||||
| US20160192164 | ||||
| US5489045 | ||||
| WO2010084328A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yuro Yoshizawa
Mitsutsugu Sugimura
Yuro Yoshizawa