Title:
パケット化データ・ストリームの処理方法
Document Type and Number:
Japanese Patent JP4458438
Kind Code:
B2
Abstract:
The present invention is a system/method for layered entitlement data transmission/reception. A receiver embodiment includes a packet transport processor for selecting packets having payloads containing a conditional access payload header and a remaining payload of entitlement data. Respective payload headers include groups of bytes which are coded in a manner to allow or disallow the respective receiver from processing the entitlement data. A conditional access filter preprogrammed with a subscriber specific conditional access codeword examines respective byte groupings of the conditional access header for a match with the subscriber specific conditional access codeword. Only if a match occurs is the processor permitted to process the entitlement data.
Inventors:
Tamer, gregory, george
Dice, Michael, Scott
Chanei, John, William
Hayley, james, edwin
Dice, Michael, Scott
Chanei, John, William
Hayley, james, edwin
Application Number:
JP2009220003A
Publication Date:
April 28, 2010
Filing Date:
September 25, 2009
Export Citation:
Assignee:
THOMSON CONSUMER ELECTRONICS,INCORPORATED
International Classes:
H04N5/00; H04N5/44; H04N7/16; H04N7/167; H04N21/266; H04N21/418; H04N21/426; H04N21/4385; H04N21/4405; H04N21/4623; H04N21/4627
Foreign References:
| US5289276 |
Attorney, Agent or Firm:
Riki Kikoshi
Takashi Ishii
Takashi Ishii