Method and apparatus for activating and controlling fire and mass notification visual devices
US9406205B2 · kind B2 · utility
2Cited by
2References
20Claims
0Family size
Inventors
Key dates
| Filing date | Jan 26, 2012 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | May 23, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J3/0638
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
One embodiment of a method for activating a stimulus on a notification device includes encoding an instruction to activate the stimulus in a voltage dropout pulse of a synchronization protocol and sending the synchronization protocol, including the voltage dropout pulse, over a single two wire circuit to which a fire notification device and a mass notification device are coupled, where the notification device is the fire notification device or the mass notification device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.