US 12,147,051 B2
Helmet-mounted display system comprising a helmet-mounted display and a movable visor compatible with the use of binoculars
Joël Baudou, Merignac (FR); and Mathieu Balet, Merignac (FR)
Assigned to THALES, Courbevoie (FR)
Appl. No. 17/424,185
Filed by THALES, Courbevoie (FR)
PCT Filed Dec. 18, 2019, PCT No. PCT/EP2019/086054
§ 371(c)(1), (2) Date Jul. 20, 2021,
PCT Pub. No. WO2020/160825, PCT Pub. Date Aug. 13, 2020.
Claims priority of application No. 1901161 (FR), filed on Feb. 7, 2019.
Prior Publication US 2022/0091424 A1, Mar. 24, 2022
Int. Cl. G02B 27/01 (2006.01); G02B 23/12 (2006.01)
CPC G02B 27/0176 (2013.01) [G02B 23/125 (2013.01); G02B 27/0172 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A helmet-mounted display system intended to be worn by a user, said display system comprising:
a helmet;
a mechanical arch securely mounted on the front part of said helmet, said arch comprising:
a display device comprising a combiner;
an optical position-detection device;
a binocular attachment assembly;
a movable visor;
detachable binoculars comprising a holder for attachment to said mechanical arch; wherein the movable visor comprises two axes of rotation situated symmetrically on either side of the mechanical arch and at the height of the user's forehead, said visor having the following two main positions:
a down use position, applied when the binoculars are not mounted in their holder, and in this down position, the visor covers the combiner and leaves the optical position-detection device uncovered;
an up use position, applied when the binoculars are mounted in their holder, and in this up position, the visor is situated on the top of the helmet and leaves the optical position-detection device uncovered.