The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2021
Filed:
Jun. 26, 2019
Safran Electronics & Defense, Boulogne-Billancourt, FR;
Arnaud Davenel, Paris, FR;
Bernard Ruocco-Angari, Boulogne-Billancourt, FR;
SAFRAN ELECTRONICS & DEFENSE, Boulogne-Billancourt, FR;
Abstract
An infra-red imaging device comprising: a cryostat (), an infra-red detector () arranged inside the cryostat () to receive an optical signal coming from outside the imaging device, a linear polarizer configured to polarize the optical signal along a variable direction of polarization, before the optical signal reaches the infra-red detector (), the linear polarizer comprising: a first polarizing element () arranged outside the cryostat () and movable in rotation with respect to the cryostat (), and a second polarizing element () arranged inside the cryostat () between the first polarizing element () and the infra-red detector () and fixed with respect to the cryostat ().