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:
Mar. 14, 1989
Filed:
Jul. 07, 1987
Applicant:
Inventors:
Dominique Broussoux, Marcoussis, FR;
Francois Micheron, Gif sur Yvette, FR;
Alain Staron, Paris, FR;
Jacques Trotel, Palaiseau, FR;
Assignee:
Thomson-CSF, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250227 ; 362 32 ;
Abstract
The device can be used for the displacement of light lines above determined zones of a surface and for the optical identification of these zones. It comprises one or more lateral diffusion light guides arranged parallel to the surface, coupled by one end to a light source and to controlling means in order to selectively illuminate each zone of the surface by means of at least one light guide.