Personal safety device and a harness for breathing apparatus
US9679466B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 25, 2014 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Jun 13, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/12
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A personal safety device, comprising: a housing; attachment means provided on the housing, the attachment means being configured to receive a strap so as to attach the device to a wearer; a motion sensor arranged to monitor the motion of the wearer; and an alarm configured to be activated when the motion sensor has not detected motion for a predetermined period of time; wherein the alarm comprises a first sounder disposed within a first chamber formed by the housing, the first chamber having a first outlet passage; wherein the first outlet passage is arranged such that, in use, it is aligned with a longitudinal axis of the strap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.