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:
Jan. 18, 1977
Filed:
Jun. 05, 1975
Applicant:
Inventors:
Jean-Pierre Biet, Verrieres le Buisson, FR;
Michel Duchet, Briis Sous Forges, FR;
Assignee:
Compagnie Generale d'Electricite, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
3501 / ; 331 / ; 331 / ;
Abstract
Device for blocking a laser return pulse reflected by a target lit up by an incident high power pulse. It comprises a semiconductive plate on the path of the incident and reflected pulses and means, for generating charge carriers in this semiconductive plate after the crossing by the incident pulse, in order to make it opaque for the reflected pulse and thus to avoid damaging of the laser pulse generator.