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:
Nov. 26, 2024
Filed:
Nov. 16, 2022
Applicant:
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Inventor:
Jean-François Mainguet, Grenoble, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G09F 9/30 (2006.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
G09F 9/30 (2013.01); H04L 63/0435 (2013.01);
Abstract
A display device including an array of display blocks, each display block including luminous elements and a driving circuit for the luminous elements; an array of control circuits associated with the display blocks; and a video card receiving an encrypted digital signal to be displayed and sending the encrypted digital data to be displayed to the control circuits Each control circuit includes: a first memory circuit receiving and storing the encrypted digital data; a second memory circuit storing a decryption key; and a decryption circuit decrypting the encrypted digital data using the decryption key.