Gas detection circuit
US6489787B1 · kind B1 · utility
19Cited by
29References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2000 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Jan 24, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A circuit capable of detecting natural gas at a wide range of concentrations is disclosed. The gas detection circuit includes a catalytic Wheatstone bridge circuit and an analyzing Wheatstone bridge circuit. A circuit for detecting natural gas, which includes placing a device containing the circuit described above in an area in which the air has a potential of containing natural gas, and monitoring the output signal for indications of the presence of natural gas is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.