送受信方法

Japanese Patent JP6926000

B2

To provide a reception device that can allow viewing of contracted programs without failing to execute ECM and EMM processing necessary for descrambling.SOLUTION: According to the embodiment, a reception device comprises: a tuner part which receives a service signal transmitted by each of first and second providers that carry out CS digital broadcasting; a descrambler which receives scrambled content output from the tuner part; a control part which controls at least the tuner part and the descrambler; and a CAS module which acquires a second key (Ks) to be given to the descrambler. The control part is set to process EMMs of minimum R (an integer of 1 or more) within a processing grace period to the CAS module after the EMM is received per one provider.SELECTED DRAWING: Figure 25

JP2008042398	INFORMATION PROCESSING APPARATUS
JP4494530	Packetized data format for digital data recording media
JPH06153195	AUTOMATIC DISCRIMINATION DEVICE FOR SCRAMBLE SIGNAL

Yasuyuki Nonaka
Katsunori Tanaka

JP2018011226A

August 25, 2021

January 26, 2018

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TVS REGZA Corporation

H04N21/4623; H04H20/28; H04H40/90; H04H60/13; H04H60/15; H04H60/23; H04L9/08; H04L9/14; H04N21/418

JP2007195103A

地上デジタルテレビジョン放送運用規定 OPERATIONAL GUIDELINES FOR DIGITAL TERRESTRIAL TELEVISION BROADCASTING,標準規格(通信分野、放送分野)及び技術資料(通信分野、放送分野、共通分野) ,第6.2版,日本,電波産業会,2016年07月06日,pp.5-32,33,70,71
デジタル放送におけるアクセス制御方式 CONDITIONAL ACCESS SYSTEM SPECIFICATIONS FOR DIGITAL BROADCASTING,標準規格(通信分野、放送分野)及び技術資料(通信分野、放送分野、共通分野) ,第6.5版,日本,電波産業会,2015年03月17日,pp.183-186,191-195,221
BS/広帯域CSデジタル放送運用規定 OPERATIONAL GUIDELINES FOR DIGITAL SATELLITE BROADCASTING,標準規格(通信分野、放送分野)及び技術資料(通信分野、放送分野、共通分野) ,第7.3版,日本,電波産業会,2017年03月24日,pp.5-4,5,46,61,68
高度広帯域衛星デジタル放送運用規定 OPERATIONAL GUIDELINES FOR ADVANCED DIGITAL SATELLITE BROADCASTING,標準規格(通信分野、放送分野)及び技術資料(通信分野、放送分野、共通分野) ,第1.3版,日本,電波産業会,2017年03月24日,pp.5-31,32,93,94

Suzue International Patent Office

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