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. 12, 2013
Filed:
Oct. 19, 2005
Hubert E. Kukla, Oberding, DE;
Ingo Barth, Unterfohring, DE;
Hubert E. Kukla, Oberding, DE;
Ingo Barth, Unterfohring, DE;
Comvenient GmbH & Co. KG, Munich, DE;
Abstract
The invention relates to a method for decrypting encrypted broadband data by one or more authorized users comprising the following steps: provision of the encrypted broadband data () for a plurality of users; provision of encrypted or non-encrypted key data (), which is of a comparatively narrower band than the broadband data () and which is personalized for one or more authorized users, exclusively in a decryption unit (), said narrow-band key data () being held in the decryption unit () in a form that is not accessible to the authorized user; at least partial decryption of the encrypted broadband data () in the decryption unit () in order to output a broadband data stream () that is at least partially decrypted; or generation of broadband key information () from the narrow-band key information () in the decryption unit () for the subsequent decryption of the encrypted broadband data ().