Patents by Inventor Yuri Novozhenets

Yuri Novozhenets has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Security system for access control using smart cards
    Patent number: 7475812
    Abstract: An improved security system for access control using smart card badges and readers, and one or more access controllers coupled to the readers. Each access controller has a database storing for each badge at least a Credential Identifier and an encrypted Authorization Code as badge number and issue code, respectively, and access privileges data for the cardholder. Each badge has memory storing a Credential Identifier and unique Smart Card Serial Number. The Authorization Code is encrypted using a badge's Credential Identifier and unique Smart Card Serial Number using a Site Secret Key. Each reader can read a badge's Credential Identifier and Smart Card Serial Number and generate an encrypted Authorization Code using the read Credential Identifier and Smart Card Serial Number, and the Site Secret Key.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: January 13, 2009
    Assignee: Lenel Systems International, Inc.
    Inventors: Yuri Novozhenets, Michael Regelski