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1. (WO2016006973) BROADCAST RECEPTION DEVICE, OPERATING METHOD OF BROADCAST RECEPTION DEVICE, CONDITIONAL ACCESS MODULE AND OPERATING METHOD OF CONDITIONAL ACCESS MODULE

Pub. No.:    WO/2016/006973    International Application No.:    PCT/KR2015/007214
Publication Date: Fri Jan 15 00:59:59 CET 2016 International Filing Date: Sat Jul 11 01:59:59 CEST 2015
IPC: H04N 21/235
H04N 21/236
H04N 21/434
Applicants: LG ELECTRONICS INC.
Inventors: YOON, Joonhee
KIM, Kyounghwan
SUH, Jongyeul
Title: BROADCAST RECEPTION DEVICE, OPERATING METHOD OF BROADCAST RECEPTION DEVICE, CONDITIONAL ACCESS MODULE AND OPERATING METHOD OF CONDITIONAL ACCESS MODULE
Abstract:
A broadcast reception device is provided. The broadcast reception device includes a broadcast reception unit receiving a broadcast signal comprising scrambled content, and a control unit transmitting a first data unit and receiving a second data unit, wherein the first data unit comprises a request for information on the number of devices that play the scrambled content simultaneously with the broadcast reception device and the second data unit comprises a reply to the first data unit.