Detector with ambient photon sensor and other sensors
US6967582B2 · kind B2 · utility
40Cited by
38References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2002 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | Dec 24, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B17/12
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A sensor of incident ambient photons is combined, in a detector with one or more sensors responsive to other types of ambient parameters such as gas, humidity, temperature or the like. Outputs from the sensors are processed to establish the existence of one of a hazardous condition, a non-hazardous condition and a false alarm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.