Wireless monitoring and alarm system
US8194592B2 · kind B2 · utility
14Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2009 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Jul 17, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W28/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A monitoring system includes a multi-hop time division multiple access communication system to link a control unit wirelessly and redundantly with a plurality of modules. Communications to modules occur during predetermined time slots in a first portion of a selected frame. Communications from the modules occur during corresponding time slots during a second portion of the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.