Sighting arrangements
US4988166A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 7, 1988 |
| Grant date | Jan 29, 1991 |
| Priority date | — |
| Expiry date | Oct 7, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A sight for aiming a spotlight on a particular target, such as a performer on stage, has a partially reflective panel supported on the spotlight in an inclined position through which the operator can see the target, and sight also includes a light source which, by means of a mirror, is reflected onto the panel. The light from this source passes through an adjustable lens and, by adjusting the position of the mirror and the lens, the operator can cause the virtual image visible on the panel to correspond with the target as seen through the panel thereby informing him that when the beam of the spotlight when used will be directed onto the target,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.