Combination smoke detector and severe weather warning device
US6121885A · kind A · utility
Inventors
Key dates
| Filing date | Apr 6, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Apr 6, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/00
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A combination smoke detector and severe weather warning device is housed in a common housing, such as a housing resembling that for a conventional smoke detector. The combination device includes a smoke detector and alarm for sensing smoke and/or fire in the immediate area and transmitting an audible alarm, and also includes a VHF FM radio for receiving severe weather broadcasts and alerts from the National Oceanic And Atmospheric Administration (NOAA), from a remotely located transmitter. Preferably different audible alarms are provided for the smoke detector and for severe weather warnings from the radio, in order that persons may distinguish the type of alarm issued by the device. The combination device is preferably powered by an electrical power supply installed within the building structure within which the device is installed, but may be powered by self contained electrical batteries. Preferably, a battery or batteries is/are provided as an alternative source of electrical power in the event of a power outage of the main electrical power supply. The combination device is of great value in areas where severe thunderstorms and tornadoes occur, and serves to provide a warning o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.