Location monitoring and sonar determination of presence
US7710824B1 · kind B1 · utility
28Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2007 |
| Grant date | May 4, 2010 |
| Priority date | — |
| Expiry date | May 7, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system is provided for location monitoring. The system includes an event sensor and a sonar sensor in communication with the event sensor. The event sensor detects an event at a location. The sonar sensor determines a presence at the location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.