Gas sensor
US4661320A · kind A · utility
43Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1984 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Aug 2, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/783
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas sensor comprising a device by which photo absorption is changed in the presence of hydrogen gas or hydrogen containing compound gas and an optical detecting means for detecting the change of photo absorption. The device is provided in the form of a laminate made of a metal adsorbing and dissociating hydrogen or hydrogen containing compound gas and a solid compound which is reduced by hydrogen atoms produced in the metal to change photo absorption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.