Optical warning system
US5057820A · kind A · utility
133Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1989 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | May 1, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S3/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A lightning and strobe light detector and warning system capable of distinguishing strobe light and lightning flashes and indicating to an operator of the existence of a flash even under high illumination background conditions. The device may comprise a plurality of detectors and therefore not only distinguish between the strobe and lighting flashes but also indicate the direction of a flash.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.