Device for automatically checking a plurality of electric indicator lights
US4451822A · kind A · utility
13Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1981 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Aug 26, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/44
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a device for checking a plurality of indicator lights, wherein the intensity passing through each indicator light is sequentially measured and the measurements are compared with nominal intensities. The invention is more particularly applicable to the checking of the indicator lights of devices monitoring functional members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.