Apparatus and method for transforming cable channel
    1.
    发明授权
    Apparatus and method for transforming cable channel 有权
    用于转换电缆通道的装置和方法

    公开(公告)号:US08401040B2

    公开(公告)日:2013-03-19

    申请号:US11299214

    申请日:2005-12-08

    IPC分类号: H04H20/28

    CPC分类号: H04L12/2801 H04L12/2854

    摘要: Provided is apparatus and method for transforming cable channel. The apparatus includes a data mixing unit for receiving and mixing a band data and a first broadband data, to thereby generate a second broadband data of a broadband cable channel, and a channel adapting unit for dividing a band data from the second broadband data received through the broadband cable channel, bypassing the second broadband data to a first subscriber apparatus and transmitting the band data to a second subscriber apparatus.

    摘要翻译: 提供了用于转换有线电视频道的装置和方法。 该装置包括:数据混合单元,用于接收和混合频带数据和第一宽带数据,从而产生宽带有线频道的第二宽带数据;以及信道适配单元,用于将频带数据与从第 宽带电缆信道,绕过第二宽带数据到第一用户设备,并将频带数据发送到第二用户设备。

    Apparatus and method for scrambling high-rate data
    2.
    发明授权
    Apparatus and method for scrambling high-rate data 有权
    用于扰乱高速率数据的装置和方法

    公开(公告)号:US07480383B2

    公开(公告)日:2009-01-20

    申请号:US10950328

    申请日:2004-09-23

    IPC分类号: H04L9/00

    摘要: The apparatus and method for scrambling high-rate data is disclosed. The apparatus includes a first storing unit for storing a transport stream (TS) inputted from an external device; a common key (CK) generating unit for generating a CK by receiving a control word (CW) from an external conditional access system (CAS); a key scheduling unit for generating predetermined number of keys (KK)s by receiving the CK from the CK generating unit; a plurality of enciphering units for enciphering the TS transmitted from the first storing unit based on the predetermined number of KKs and the CK; a second storing unit for storing the TS enciphered by the enciphering units and outputting the enciphered TS; and a controlling unit for controlling the multiple enciphering units.

    摘要翻译: 公开了用于扰乱高速率数据的装置和方法。 该装置包括:第一存储单元,用于存储从外部设备输入的传输流(TS); 公共密钥(CK)生成单元,用于通过从外部条件访问系统(CAS)接收控制字(CW)来生成CK; 密钥调度单元,用于通过从CK生成单元接收CK来生成预定数量的密钥(KK); 多个加密单元,用于基于预定数量的KK和CK来加密从第一存储单元发送的TS; 第二存储单元,用于存储由加密单元加密的TS并输出加密的TS; 以及用于控制多个加密单元的控制单元。

    Apparatus and method for scrambling high-rate data
    4.
    发明申请
    Apparatus and method for scrambling high-rate data 有权
    用于扰乱高速率数据的装置和方法

    公开(公告)号:US20050135617A1

    公开(公告)日:2005-06-23

    申请号:US10950328

    申请日:2004-09-23

    摘要: The apparatus and method for scrambling high-rate data is disclosed. The apparatus includes a first storing unit for storing a transport stream (TS) inputted from an external device; a common key (CK) generating unit for generating a CK by receiving a control word (CW) from an external conditional access system (CAS); a key scheduling unit for generating predetermined number of keys (KK)s by receiving the CK from the CK generating unit; a plurality of enciphering units for enciphering the TS transmitted from the first storing unit based on the predetermined number of KKs and the CK; a second storing unit for storing the TS enciphered by the enciphering units and outputting the enciphered TS; and a controlling unit for controlling the multiple enciphering units.

    摘要翻译: 公开了用于扰乱高速率数据的装置和方法。 该装置包括:第一存储单元,用于存储从外部设备输入的传输流(TS); 公共密钥(CK)生成单元,用于通过从外部条件访问系统(CAS)接收控制字(CW)来生成CK; 密钥调度单元,用于通过从CK生成单元接收CK来生成预定数量的密钥(KK); 多个加密单元,用于基于预定数量的KK和CK来加密从第一存储单元发送的TS; 第二存储单元,用于存储由加密单元加密的TS并输出加密的TS; 以及用于控制多个加密单元的控制单元。

    Restricted reception device for digital cable broadcasting system, and reception system and method using the same
    5.
    发明授权
    Restricted reception device for digital cable broadcasting system, and reception system and method using the same 有权
    用于数字有线广播系统的限制接收装置,以及使用其的接收系统及方法

    公开(公告)号:US07383562B2

    公开(公告)日:2008-06-03

    申请号:US10439818

    申请日:2003-05-16

    IPC分类号: H04N7/20

    摘要: A restricted reception device enabling a subscriber receiver to selectively receive broadcasting data transferred via a digital cable broadcasting network, includes: a demultiplexer for receiving broadcasting data and an ECM including a CW from the subscriber receiver, and demultiplexing them, the broadcasting data and the ECM being transferred through an in-band channel; an out-of-band channel signal processor for receiving an EMM from the subscriber receiver, and processing the EMM, the EMM being transferred through an out-of-band channel; a restricted reception processor for descrambling the scrambled broadcasting data using the ECM and the EMM received from the out-of-band channel signal processor; and a remultiplexer for multiplexing the descrambled broadcasting data received from the restricted reception processor, and sending the multiplexed broadcasting data to the subscriber receiver.

    摘要翻译: 允许用户接收机选择性地接收经由数字有线广播网络传送的广播数据的受限接收装置包括:解复用器,用于从用户接收机接收广播数据和包括CW的ECM,并对它们进行解复用,广播数据和ECM 通过带内频道传输; 用于从所述用户接收机接收EMM的带外信道信号处理器,以及处理所述EMM,所述EMM通过带外信道传送; 限制接收处理器,用于使用ECM和从带外信道信号处理器接收的EMM来解扰加扰的广播数据; 以及多路复用器,用于复用从受限接收处理器接收的解扰频广播数据,并将多路复用广播数据发送给用户接收机。