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. 25, 1978
Filed:
Jul. 22, 1975
Applicant:
Inventor:
Lucien Guyot, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315 10 ; 315 / ;
Abstract
A device for the non-destructive electrical read-out of a light image, using an electronic tube which comprises in particular a target for recording and read-out of the image and an electrongun for scanning the image. The read-out device is constituted by the tube and means which divide by a factor of n the electron beam current, thus preventing the destruction of the light information during n successive read-out operations.