Laser cavity helmet mounted sight
US5208641A · kind A · utility
12Cited by
19References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1992 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Mar 3, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0093
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A laser illuminated helmet mounted sight that determines helmet or sight position from an externally mounted light source. The electronics, including light sources and detectors, are on the helmet. Also, no electrical cables or mechanical linkage is connected to the helmet. The helmet only has passive reflectors for reflecting light beams from a laser source. The return times and directions of the returning light beams processed by off-helmet electronics, result in a position indication of the helmet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.