Fire and explosion detection apparatus
US4765413A · kind A · utility
11Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1986 |
| Grant date | Aug 23, 1988 |
| Priority date | — |
| Expiry date | Jun 10, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B17/12
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Detection apparatus comprising UV sensing apparatus, IR sensing apparatus, inhibitible AND gate logic apparatus operative to receive outputs from the UV sensing apparatus and the IR sensing apparatus and being operative unless inhibited by receipt of an inhibit signal to produce an output signal in response to simultaneous detection by the UV and IR sensing apparatus, and inhibit signal generating apparatus operative to produce an inhibit signal in response to characteristics of the UV sensed by the UV sensing apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.