Audible alert device
US11514774B2 · kind B2 · utility
0Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2020 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Jan 21, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B5/36
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An audible alert device and method of playing an audible message. The audible alert device includes a motion sensor, a speaker, and a control unit. The control unit is configured to store an audible message, determine whether an activating condition is met in which the activating condition is based on a directionality of movement of the person relative to the motion sensor, and play a corresponding audible message when the activating condition has been met.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.