Method and system to reduce infrastructure costs with simplified indoor location and reliable communications
US11382511B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2019 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Apr 3, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG16H40/20
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A system for issuing a notification responsive to the occurrence of an event affecting a monitored person. The system has a monitoring device that determines occurrence of an event related to the health or safety of the person and produces a first signal when the event occurs. A first communications device issues a second signal upon receiving the first signal and a second communications device issues a notification signal upon receiving the second signal. The notification signal is issued to one or more entities and advises that an event has occurred. The first communications device has a shorter communications range than the second communications device. Also, the second communications device operating at a higher power level or a greater signal bandwidth than the first communications device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.