Patent Number: 7,712,144

Title: Secure device for sharing copy protection identification information, a rendering device for executing copy protected content based on the identification information, and corresponding methods

Abstract: The present invention relates to a secure device for copy protection comprising an ID database (3) for storing identification numbers IDs for decrypting copy protected encrypted content, a transceiving means (5,2) for transmitting and/or receiving IDs to and/or from an external device via a short range transmission system and an ID handler (4) for controlling the transmission and reception of the IDs in accordance with predefined transmission and/or reception rights. The present invention further relates to a rendering device for executing copy protected content comprising a data source (18,19,20) for providing copy protected encrypted content, a receiving means (5,2) for receiving IDs for decrypting the encrypted content from a secure device (1) via a short range transmission system and a controller (11) for assigning to every copy protected encrypted content the respective ID for decrypting said content in order to execute the decrypted content. The present invention in addition relates to a method for copy protection and to a method for executing copy protected content.

Inventors: Hagg; Wilhelm (Korb, DE), Krusche; Arnd (Stuttgart, DE)

Assignee: Sony Deutschland GmbH

International Classification: H04N 7/16 (20060101)

Expiration Date: 5/04/12018