Patent №
US 5,081,541
Granted
1992-01-14
Filed 1990
Owner
ETAT FRANCAIS, REPRESENTE PAR LE MINISTRE DES POSTES, TELECOMMUNICATIONS ET DE L'ESPACE (CENTRE NATIONAL D'ETUDES DES TELECOMMUNICATIONS)
+1 more
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
07511552
A holographic method of the type implementing a conoscopic system including a birefrigent crystal inserted between two polarizers and a photosensitive element, wherein the method includes a step consisting in inserting one-dimensional optical means on the path of the light rays such that the conoscopic system only collects light that is parallel or quasi-parallel to a plane including the axis of the conoscopic system. The invention also provides apparatus for implementing the method.
AI classification
Ownership
ETAT FRANCAIS, REPRESENTE PAR LE MINISTRE DES POSTES, TELECOMMUNICATIONS ET DE L'ESPACE (CENTRE NATIONAL D'ETUDES DES TELECOMMUNICATIONS)
assignment · 53690220
CDO-CONTROLE DIMENSIONNEL OPTIQUE
assignment · 95640458
Assignors
SIRAT, GABRIEL, MAITRE, HENRI
On an employer assignment, the assignors are typically the inventors.