基本信息:
- 专利标题： 방송 수신 단말기 및 방송 수신 방법
- 专利标题（英）：Broadcast reception terminal and broadcast reception method
- 专利标题（中）：广播接收终端和广播接收方法
- 申请号：KR1020127004735 申请日：2010-09-06
- 公开(公告)号：KR1020120040720A 公开(公告)日：2012-04-27
- 发明人： 이시이고지 , 사사오노부아키
- 申请人： 가부시키가이샤 엔.티.티.도코모
- 申请人地址： 일본 도쿄도 지요다쿠 나가타쵸 *쵸메 **반 *고
- 专利权人： 가부시키가이샤 엔.티.티.도코모
- 当前专利权人： 가부시키가이샤 엔.티.티.도코모
- 当前专利权人地址： 일본 도쿄도 지요다쿠 나가타쵸 *쵸메 **반 *고
- 代理人： 유미특허법인
- 优先权： JPJP-P-2009-260927 2009-11-16
- 国际申请： PCT/JP2010/065238 2010-09-06
- 国际公布： WO2011058809 2011-05-19
- 主分类号： H04N7/173
- IPC分类号： H04N7/173
Without being affected by the update frequency of the decryption key for reproduction of data to be broadcast, and an object thereof is to realize the playback control according to the actual playback time. Broadcast receiving terminal 1 and a renderer (102) for reproducing video and audio data included in the CAS module 105 and broadcast signal to obtain the key information from the broadcasting signal, CAS module 105 reproduces history information the history information storage section 113 and calculates the playback remaining time information on the video and audio data to store and includes a reproduction time calculation unit 111 for transmitting the scramble key and the playback remaining time information to the renderer 102 , renderer 102 may decode and playback using the scramble key, the video and audio, and the descrambling unit 107 and decoding unit 108 for transmitting the history information about the reproduction to the CAS module 105 and the playback remaining time and a preview control unit 109 so as to control so as to decode the video and audio data as shown in the time information.