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:
Jun. 21, 2016
Filed:
Oct. 19, 2011
Christian Wietfeld, Dortmund, DE;
Mohamad Sbeiti, Bochum, DE;
Sebastian Subik, Dortmund, DE;
Andreas Wolff, Essen, DE;
Christian Wietfeld, Dortmund, DE;
Mohamad Sbeiti, Bochum, DE;
Sebastian Subik, Dortmund, DE;
Andreas Wolff, Essen, DE;
Abstract
An access method for accessing a protected communication service via a public communication network by using a secure communication network, whereby the secure communication network is based on user groups, including defining an access group having access to the communication service based on the user groups of the secure communication network, generating a group key for all members of the access group, providing the group key to a member of the access group via the secure communication network, and accessing the communication service via the public communication network using the group key, is provided. A communication system including a secure communication network based on user groups, a public communication network, a protected communication service, and an access server for managing access rights to the communication service, whereby the communication system implements the above method is further provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile