Thursdays the Patent Office publishes new pending patent applications. Both of today's Spotlight Applications concern aspects of conditional access systems used in cable and IPTV systems. Assigned to Samsung (KR), the first application discloses an electronic apparatus with a safe conditional access system (CAS) and control method. Assigned to Intellectual Discovery Co Ltd. (KR), the second application discloses techniques for a mobile IPTV service system using a downloadable conditional access system.
20130166833, "Electronic apparatus with a safe conditional access system (CAS) and control method thereof," assigned to Samsung (KR).
An electronic apparatus is provided, which includes a central processing unit (CPU), a first memory unit which performs communication with the CPU, and a second memory unit which stores therein conditional access system (CAS) software and platform software. According to the method of controlling the apparatus, upon booting, the CPU copies the CAS software to an internal memory area which may be within the CPU, copies the platform software to the first memory unit and executes the CAS and platform software, and executes CAS operations through communication between the CAS software and the platform software.
20130156187, "Mobile IPTV service system using downloadable conditional access system and method thereof," assigned to Intellectual Discovery Co., Ltd. (KR).
An apparatus and method associated with an Internet Protocol Television (IPTV) service in a mobile environment are provided. A streaming server may provide a mobile terminal with a mobile certificate and an encryption key. In response to a content request received from the mobile terminal, the streaming server may provide the mobile terminal with encrypted content and a Downloadable Conditional Access System (DCAS) code. The mobile terminal may decrypt the encrypted content using the encryption key and the DCAS code, and may play back the decrypted content.