Self-testing notification appliance
US8228182B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2009 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | Aug 8, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B29/126
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A self-testing notification appliance includes a notification emitter, a verification circuit, and a controller. The notification emitter is operable to output light or light and sound based on a control signal. The verification circuit includes a notification sensor to detect the light or light and sound and generate a verification signal. The controller sends the control signal to the notification emitter and receives information based on the verification signal from the verification circuit. The self-testing notification appliance may be part of a network including a fire control panel and a plurality of additional self-testing notification appliances. The self-testing notification appliances may be assigned addresses on the network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.