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:
Apr. 01, 1980
Filed:
Jul. 25, 1977
Applicant:
Inventors:
Assignee:
Le Materiel Telephonique, Boulogne-Billancourt, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350171 ;
Abstract
A continuous panoramic image seen at infinity from an observation space E is obtained from a prismatic image whose facets consist of alternate and edge-to-edge real images I11, I12, . . . and virtual images I'21, 22, . . . , and by reflection of this prismatic image in a set of sperical concave mirrors MC1, MC2, . . . forming a reflection area. The real images are produced by a first set of image generators M11, M12, . . . The virtual images are the conjugates by reflection in the semi-transparent plane mirrors L1, L2, . . . of images I21, I22, . . . produced by a second set of image generators M21, M22, . . . Amongst other applications, that of ship-control training equipment.