Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Wide-field and wide-aperture optical system, notably designed for a night channel for periscopes, and periscope fitted out with such an optical system

Wide-field and wide-aperture optical system, notably designed for a night channel for periscopes, and periscope fitted out with such an optical system

US Patent 5239411 · Granted Aug 24, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Head-borne viewing system comprising crossed optics2020
Modular night-vision system with fused optical sensors2015
Night vision aiming sight with two eyepieces2008
System for the reduction of laser equivalent surface and for optical protection2000
Compact binoculars for nighttime vision1998
Day-and-night optical observation device1994
Combined night/day viewing apparatus1988
Combined night/day viewing apparatus having a large field1988