Patent ID: 7218611
Filing Date: 2007-05-15
Classification: H04N

Abstract:
1. A broadcast apparatus for broadcasting a stream to a reception apparatus, comprising: a request reception section for receiving a proxy request including an identifier assigned to the reception apparatus, a command to be transmitted to the reception apparatus, and an execution start time of the command to be transmitted to the reception apparatus; a timer for keeping a current time; a request determination section for determining whether or not to accept the proxy request received by the request reception section by using the execution start time included in the received proxy request and the current time kept by the timer; a proxy request storage device for storing the proxy request that is determined by the request determination section to be acceptable; a command extraction section for extracting a set of an identifier of the reception apparatus and a command for the reception apparatus from the proxy request stored in the proxy request storage device a plurality of times at a predetermined time interval; a command packet assembler for assembling a command packet from the set of the identifier and the command extracted by the command extraction section; a multiplexer for generating a stream in which the command packet assembled by the command packet assembler is multiplexed; and a transmitter for sending out the stream generated by the multiplexer to a broadcast channel, wherein the request determination section comprises: