Security system
US11380349B2 · kind B2 · utility
0Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2019 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Sep 24, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C9/00
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Verification of presence of a detected target is carried out following an initial presence determination on the basis of detected non-verbal sound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.