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42 条记录 (耗时 0.037 秒)

    SYSTEM AND METHOD FOR DETECTING COPY OF SECURE MICRO
    31.
    发明申请
    SYSTEM AND METHOD FOR DETECTING COPY OF SECURE MICRO 审中-公开
    用于检测安全微生物复制的系统和方法

    公开(公告)号：US20110202769A1

    公开(公告)日：2011-08-18

    申请号：US12944451

    申请日：2010-11-11

    申请人： Han Seung KOO ,  Young Ho JEONG ,  Soon Choul KIM

    发明人： Han Seung KOO ,  Young Ho JEONG ,  Soon Choul KIM

    IPC分类号： H04L9/00 ,  G06F21/00

    CPC分类号： H04L9/321 ,  H04L9/0822 ,  H04L9/3273 ,  H04L2209/60 ,  H04N21/25816 ,  H04N21/4181 ,  H04N21/44236

    摘要： A Secure Micro (SM) copy detection system includes at least one Access Point (AP) that is connected to at least one host group including at least one SM, at least one Multiple-Services Operator (MSO) that is used to manage the at least one SM and includes the at least one AP, and a host information management server that is used to perform authentication of the at least one SM and that is independently connected to the at least one MSO.

    摘要翻译： 安全微（SM）复制检测系统包括至少一个接入点（AP），其至少连接到至少一个主机组，所述至少一个主机组包括至少一个SM，至少一个多业务运营商（MSO），用于管理 至少一个SM并且包括所述至少一个AP，以及主机信息管理服务器，其用于执行所述至少一个SM的认证，并且独立地连接到所述至少一个MSO。

    ONU and method for converting/combining frequency, and apparatus and method for converting/combining frequency in CATV headend system
    34.
    发明授权
    ONU and method for converting/combining frequency, and apparatus and method for converting/combining frequency in CATV headend system 有权

    公开(公告)号：US07669224B2

    公开(公告)日：2010-02-23

    申请号：US11630160

    申请日：2004-12-30

    申请人： Han-Seung Koo ,  O-Hyung Kwon ,  Woongshik You ,  Soo-in Lee

    发明人： Han-Seung Koo ,  O-Hyung Kwon ,  Woongshik You ,  Soo-in Lee

    IPC分类号： H04N7/22

    CPC分类号： H04H20/69 ,  H04H60/97 ,  H04J14/0298 ,  H04N7/10 ,  H04N7/17309 ,  H04N7/22 ,  H04N21/4402 ,  H04N21/6118

    摘要： Provided is an outdoor optical node unit (ONU) and method for converting/combining frequencies, and an apparatus and method for converting/combining frequencies in a cable television headend system. The optical node unit (ONU) includes: a downstream optic-to-electric converting unit for converting a downstream optic signal transferred through an optical cable network from a headend system to a downstream electric signal; a down frequency converting and combining unit for isolating the downstream electric signal to a broadcasting signal transmitted as a coaxial cable usable frequency band (In-Band signal) and a band signal higher than the coaxial cable usable frequency band (Super-Band (SB) signal), isolating each of channel signals in the SB signal, converting the isolated channel signals to downstream signals in a coaxial cable usable frequency band, and combining each of the frequency-converted downstream signals with the In-Band signal to generate a coaxial cable usable frequency band downstream signal; an up/down band isolating unit for outputting each of the coaxial cable usable frequency band downstream signals inputted from the down frequency converting and combining unit to a corresponding coaxial cable, or dividing an upstream signal transferred through a coaxial cable from each of subscriber's sub cells to a cable TV upstream frequency band signal and In-Band upstream channel band signal (IUC band signal) which is other upstream channel in a coaxial cable usable frequency band excepting the cable TV upstream frequency band, and outputting the cable TV upstream frequency band signal and the IUC band signal to an upstream frequency converting and combining unit; an upstream frequency converting and combining unit for converting the upstream signals which are the cable TV upstream frequency band signal and the IUC band signal inputted from the up/down band isolating unit to channels not overlapped in the coaxial cable usable frequency band, combining the converted channel signals to generate a coaxial cable usable frequency band upstream electric signal; an up electric-to-optic converting unit for receiving the optical cable usable frequency band upstream electric signal, converting the optical cable usable frequency band upstream electric signal to an upstream optical signal, and outputting the upstream optical signal to the headend system through an optical cable network; and a local oscillating unit for generating local oscillating signal for frequency-conversion, and providing the generated local oscillating signal to the down frequency converting and combining unit or the up frequency converting and combining unit.

    MULTI-CHANNEL TUNING RECEIVER AND MULTI-CHANNEL TUNING METHOD THEREOF
    35.
    发明申请
    MULTI-CHANNEL TUNING RECEIVER AND MULTI-CHANNEL TUNING METHOD THEREOF 失效
    多频道调谐接收机及其多通道调谐方法

    公开(公告)号：US20090141833A1

    公开(公告)日：2009-06-04

    申请号：US12273176

    申请日：2008-11-18

    申请人： Yang Su KIM ,  Han Seung KOO ,  Doh-Wook KIM ,  Yun Jeong SONG ,  Soo In LEE

    发明人： Yang Su KIM ,  Han Seung KOO ,  Doh-Wook KIM ,  Yun Jeong SONG ,  Soo In LEE

    IPC分类号： H04L27/06

    CPC分类号： H04B1/0053

    摘要： Provided are a multi-channel tuning receiver, including: a broadband radio frequency (RF) tuner to receive a broadband signal, divide the broadband signal into a plurality of signals, tune the divided signals, combine the tuned signals into a single signal, and output the combined single signal; an analog-to-digital (A/D) converter to convert the combined single signal to digital signal; a channelizer to extract only a bonded channel from the digital signal; and a plurality of demodulators to demodulate the bonded channel, and a multi-channel tuning method thereof.

    摘要翻译： 提供了一种多通道调谐接收机，包括：宽带射频（RF）调谐器，用于接收宽带信号，将宽带信号划分为多个信号，调谐分频信号，将调谐信号组合成单个信号;以及 输出组合单信号; 用于将组合的单个信号转换成数字信号的模拟（A / D）转换器; 信道化器，从数字信号中仅提取绑定信道; 以及多个解调器来解调接合信道，以及多信道调谐方法。

    METHOD FOR CONSTRUCTING KEY GRAPH FOR MULTI-GROUP MULTI-CASTING SERVICE AND MANAGING KEY
    36.
    发明申请
    METHOD FOR CONSTRUCTING KEY GRAPH FOR MULTI-GROUP MULTI-CASTING SERVICE AND MANAGING KEY 审中-公开
    用于构造多组多重服务和管理关键图的关键图形的方法

    公开(公告)号：US20090125545A1

    公开(公告)日：2009-05-14

    申请号：US12167392

    申请日：2008-07-03

    申请人： Han-Seung KOO ,  Yun-Jeong SONG ,  Soo-In LEE

    发明人： Han-Seung KOO ,  Yun-Jeong SONG ,  Soo-In LEE

    IPC分类号： G06F7/00 ,  G06F17/30

    CPC分类号： G06F21/6218 ,  G06F21/604 ,  G06F2221/2117 ,  G06F2221/2141 ,  G06F2221/2145 ,  H04L9/0836 ,  H04L9/0891 ,  H04L63/065 ,  H04L65/4076

    摘要： Provided is a method for constructing a key graph for multi-group multi-casting service and managing a key. The method includes: searching for a user group set (common group set) having the same access right to each resource combination comprising multiple resource selected from resources for a service and non-overlapping with other resource combinations by using an access right relations between user groups and the resource; and constructing a key graph by interconnecting a user group key and a resource key using the access right relation, where user groups pertaining to the searched common group set are connected to corresponding resources via intermediate nodes.

    摘要翻译： 提供了一种用于构建多组多播服务和管理密钥的关键图的方法。 该方法包括：通过使用用户组之间的访问权限关联，搜索具有与每个资源组合相同的访问权限的用户组集合（公共组集合），其包括从用于服务的资源选择的多个资源，并且与其他资源组合不重叠 和资源; 以及通过使用访问权限关联来互连用户组密钥和资源密钥来构建密钥图，其中属于所搜索的公共组集合的用户组经由中间节点连接到对应的资源。

    Method for securing DOCSIS cable modem against physical security attacks
    38.
    发明申请
    Method for securing DOCSIS cable modem against physical security attacks 失效
    保护DOCSIS电缆调制解调器防止物理安全攻击的方法

    公开(公告)号：US20070039061A1

    公开(公告)日：2007-02-15

    申请号：US11483999

    申请日：2006-07-10

    申请人： Han-Seung Koo ,  Joon-Young Jung ,  Eun-Jung Kwon ,  O-Hyung Kwon ,  Soo-In Lee

    发明人： Han-Seung Koo ,  Joon-Young Jung ,  Eun-Jung Kwon ,  O-Hyung Kwon ,  Soo-In Lee

    IPC分类号： G06F11/00

    CPC分类号： G06F21/575 ,  H04L63/1441

    摘要： Provided is a method for securing cable modem (CM) following a Data Over Cable Service Interface Specification (DOCSIS) against physical security attacks. The method includes the steps of: a) classifying information to be stored in the DOCSIS CM based on a requirement degree of confidentiality and anti-alteration; b) storing the information in a non-volatile memory of the DOCSIS CM when the information is absolute confidential information, but processing a mechanism for deleting the information stored in the non-volatile memory in case that attacks by a hacker is sensed; c) storing the information in the non-volatile memory of the DOCSIS CM when the information is middle-level security information; and d) storing the information in a write-once (WO) memory of the DOCSIS CM when the information is absolute anti-alteration information.

    摘要翻译： 提供了一种用于保护电缆调制解调器（CM）的方法，该电缆调制解调器（CM）遵循电缆数据服务接口规范（DOCSIS），防止物理安全攻击。 该方法包括以下步骤：a）根据需要的机密性和抗变形度对DOCSIS CM中存储的信息进行分类; b）当信息是绝对机密信息时，将信息存储在DOCSIS CM的非易失性存储器中，但是在感测到黑客的攻击的情况下处理用于删除存储在非易失性存储器中的信息的机制; c）当信息是中级安全信息时，将信息存储在DOCSIS CM的非易失性存储器中; 以及d）当所述信息是绝对抗变换信息时，将信息存储在DOCSIS CM的一次写入（WO）存储器中。