Patent application number | Description | Published |
20080240431 | Dynamically shifting control word - A method for generating a plurality of control words, each control word controlling access to an object. The method includes providing a control word packet (CWP), generating a first control word (CW) from the CWP, providing a second CW generation input and producing a second CW based, at least in part, on both of the following the first CW and the second CW generation input. Control word generating apparatus for generating a plurality of control words is also disclosed. | 10-02-2008 |
20090178073 | Method and system for control of broadcast content access - A method for controlling access to content, the method comprising: receiving content in an area in which access to the content is blacked out, the content corresponding to a blacked out event; preventing display of the content at the time of receipt; recording the received content; and allowing access to the recorded content after a time criterion is met, wherein the time criterion comprises an elapse of a predetermined period of time measured from a specified one of the following: commencement of the blacked out event and termination of the blacked out event. | 07-09-2009 |
20090199231 | Time shifted interactive television - Methods and apparatus for managing, implementing and using interactive applications and content that are digitally recorded and viewed in real-time and/or a time-shifted moded are provided. The interactive applications may be associated with television programs or may be unrelated thereto, and may be transmitted together with television programs or separately therefrom. Interactive applications that are employed in a time-shifted mode can be matched to current conditions and interactive content may be updated to include current data. Users may view and manipulate highlights of television programs and receive alerts of occurrence of real-time events during viewing of recorded material. Additional manipulations of interactive applications and content are also enabled. Related apparatus and methods are also described. | 08-06-2009 |
20090234743 | SYSTEM FOR MULTIMEDIA VIEWING BASED ON ENTITLEMENTS - An advertising control method is described. The method includes receiving an advertisement identification message (AIM) ( | 09-17-2009 |
20100138668 | CONTENT DELIVERY SYSTEM - An information delivery device interacting with a user's eye, the device comprising an eye characteristic reader for reading at least one characteristic of the user's eye, a retinal projector for projecting information onto the retina, and an eye characteristic processor operative to receive at least one characteristic of the eye and to select the information based at least partly thereupon. A content protection system may comprise a multiplicity of such eye characteristic readers and a content protector receiving said at least one characteristic from such readers and controlling the user population's use of content to be protected based on that at least one characteristic. Related apparatus and methods are also provided. | 06-03-2010 |
20110103582 | System for securing access to data streams - A method and an apparatus for protecting digital content, in which an output format for received compressed encrypted digital content is determined based, at least in part, on a rule determining whether clear compressed output format is allowed. When the clear compressed output format is not allowed, the content is received in a form in which it has been encrypted by at least two different encryption methods, and processing of the content comprises a combination of decrypting in accordance with one of the encryption methods and decompression in an atomic operation. | 05-05-2011 |
20120233290 | SYSTEM FOR MULTIMEDIA VIEWING BASED ON ENTITLEMENTS - An advertising control method is described. The method includes receiving an advertisement identification message (AIM) ( | 09-13-2012 |
20120254954 | SYSTEM FOR MULTIMEDIA VIEWING BASED ON ENTITLEMENTS - An advertising control method is described. The method includes receiving an advertisement identification message (AIM) ( | 10-04-2012 |