Patents Assigned to Communaute Europeenne de l'Energie Atomique (Euratom)
  • Surface texture reading access checking system
    Patent number: 4677435
    Abstract: Surface texture reading access checking system. The identification information attached to each support object serving as a key is constituted by the texture of a surface portion of said object. A reader reads this information and communicates it to the processing means, which carry out a comparison between the signal read and recorded signals. Application to the production of locks or access checking means for data processing, telematic, banking and similar systems.
    Type: Grant
    Filed: July 16, 1985
    Date of Patent: June 30, 1987
    Assignees: Communaute Europeenne de l'Energie Atomique (Euratom), Association pour la Promotion de la Technologie (Promotech)
    Inventors: Bertrand Causse D'Agraives, Janny Mathieu, Patrick Jamar