Modular day/night weapon aiming system
US5272514A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 6, 1991 |
| Grant date | Dec 21, 1993 |
| Priority date | — |
| Expiry date | Dec 6, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41G1/32
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The improved day/night weapon sight comprises a red dot aiming portion having a light emitting diode, a combining mirror, and an apparatus for mounting the LED and the mirror on a weapon to produce a virtual image of the LED at an infinite distance in alignment with the bore sight of the weapon, and a removable night vision portion having an objective lens, an eyepiece, and an image intensification tube for intensifying a received image intermediate the objective lens and the eyepiece, wherein the virtual image is visible to the operator at night through the eyepiece, and the night vision portion is removed for use of the red dot aiming portion during the day.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.