Both of today's patent applications deal with aspects of conditional access techniques. The first discloses a conditional access system that uses Entitlement Management Messages (EMMs), no assignee given. Assigned to LG Industries (KR), the second application discloses a digital television receiver and method for processing a digital television signal.
20070261076, "Conditional Access System," no assignee given.
A conditional access system in which entilement [sic] management messages (EMMs) sent to a receiver include transmission time information for future EMMs. The transmission time information is used at the receiver to control the receiver so that it is powered on only when required to receive the future EMMs.
20070258589, "Digital television receiver and method for processing a digital television signal," assigned to LG. Electronics, Inc. (KR).
A method of processing a digital television signal in a digital television receiver, the method includes receiving a digital television signal including blocks of content and a conditional access table including conditional access management information; parsing the conditional access table, the parsed conditional access table including copy control information specifying content copy permission; and determining whether to permit generation of a copy of the content according to the copy control information.