- Patent Title: Portable siren and emergency call device and combination thereof
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Application No.: US16342970Application Date: 2017-03-13
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Publication No.: US10692358B2Publication Date: 2020-06-23
- Inventor: Rudolf King
- Applicant: Rudolf King
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@27434e76
- International Application: PCT/EP2017/055809 WO 20170313
- International Announcement: WO2018/133955 WO 20180726
- Main IPC: G08B25/00
- IPC: G08B25/00 ; H04W4/90 ; G08B25/01 ; G08B3/10 ; G08B15/02 ; G08B15/00 ; G08B21/02
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).
Public/Granted literature
- US20190272733A1 Portable Siren and Emergency Call Device and Combination Thereof Public/Granted day:2019-09-05
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