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    Image forming apparatus supporting Wi-Fi direct and method of activating Wi-Fi direct
    1.
    发明授权
    Image forming apparatus supporting Wi-Fi direct and method of activating Wi-Fi direct 有权
    直接支持Wi-Fi的图像形成设备和直接激活Wi-Fi的方法

    公开(公告)号：US09483223B2

    公开(公告)日：2016-11-01

    申请号：US14686263

    申请日：2015-04-14

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sung-joon Park ,  Jin-hyung Kim ,  Hyun-wook Park

    IPC: G06F3/12 ,  G06K15/00 ,  H04N1/00 ,  H04W76/02

    CPC classification number: H04N1/32797 ,  G06F3/1204 ,  G06F3/1236 ,  G06F3/1292 ,  G06F3/1296 ,  G06K15/00 ,  G06K15/4005 ,  G06K15/4045 ,  H04N1/00204 ,  H04N1/00214 ,  H04N1/00307 ,  H04N1/00954 ,  H04N2201/0015 ,  H04N2201/0039 ,  H04N2201/0041 ,  H04N2201/0055 ,  H04N2201/0094 ,  H04W8/005 ,  H04W76/14 ,  H04W76/15 ,  Y02D10/1592

    Abstract: An image forming apparatus supporting peer to peer (P2P) connection includes a print engine to perform a print operation; a first wireless interface to connect the image forming apparatus to an access point (AP) of an infrastructured network; a second wireless interface to connect the image forming apparatus to an external mobile device by P2P; a soft AP module to allow the image forming apparatus to perform as an AP when the image forming apparatus is P2P connected; a dynamic host configuration protocol (DHCP) server unit to allocate an internet protocol (IP) address to the mobile device that is P2P connected to the image forming apparatus; a soft AP activating unit to activate the soft AP module; and a control unit. If a discovery packet is received from the mobile device via P2P interface, the control unit is operable to control the image forming apparatus to process the discovery packet.

    Abstract translation: 支持对等（P2P）连接的图像形成装置包括执行打印操作的打印引擎; 用于将图像形成装置连接到基础网络的接入点（AP）的第一无线接口; 通过P2P将图像形成装置连接到外部移动装置的第二无线接口; 软件AP模块，用于当图像形成装置为P2P连接时允许图像形成装置作为AP执行; 动态主机配置协议（DHCP）服务器单元，用于向连接到图像形成设备的P2P连接的移动设备分配互联网协议（IP）地址; 软AP激活单元来激活软AP模块; 和控制单元。 如果通过P2P接口从移动设备接收到发现分组，则控制单元可操作以控制图像形成设备来处理发现分组。

    Terminal device and method for transceiving data thereof
    3.
    发明授权
    Terminal device and method for transceiving data thereof 有权
    用于收发数据的终端装置及方法

    公开(公告)号：US09357337B2

    公开(公告)日：2016-05-31

    申请号：US14104781

    申请日：2013-12-12

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Ka-won Cheon ,  Jae-uk Han ,  Ji-su Jung ,  Hyun-koo Kwak ,  Sung-joon Park ,  Soo-hyun Jo

    IPC: H04B5/00 ,  H04W4/00 ,  G06F3/01 ,  H04B7/00 ,  H04B1/38 ,  H04M1/725

    CPC classification number: H04W4/80 ,  G06F3/017 ,  H04M1/7253 ,  H04M1/72558 ,  H04M2250/12 ,  H04M2250/64

    Abstract: A terminal device and a data transceiving method are provided. The terminal device includes a sensing unit which senses a momentum of the terminal device, an interface unit which receives a momentum from at least one external device, and a control unit which performs one of a data receiving operation, a data transmitting operation, and a data transceiving operation with the at least one external device depending on a comparison value obtained from a comparison of the sensed momentum with the received momentum to allow two devices to exchange data more easily.

    Abstract translation: 提供终端设备和数据收发方法。 终端装置包括感测终端装置的动量的感测单元，从至少一个外部装置接收动量的接口单元，以及执行数据接收操作，数据发送操作和数据发送操作之一的控制单元 根据从感测到的动量与接收到的动量的比较获得的比较值，使用至少一个外部设备进行数据收发操作，以允许两个设备更容易地交换数据。

    Method of managing user key for broadcast encryption
    4.
    再颁专利
    Method of managing user key for broadcast encryption 有权

    公开(公告)号：USRE45213E1

    公开(公告)日：2014-10-28

    申请号：US13867150

    申请日：2013-04-22

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Weon-il Jin ,  Dae-youb Kim ,  Hwan-joon Kim ,  Sung-joon Park ,  Jung-hee Cheon ,  Myung-hwan Kim ,  Nam-su Jho ,  Eun-sun Yoo

    IPC: H04L9/08

    Abstract: A user key management method for a broadcast encryption includes assigning node path identifiers (IDs) to nodes arranged in sequence; assigning random seed value keys to the nodes according to the node path IDs; generating key values by repeatedly applying a hash function to the assigned random seed value keys; and assigning the generated key values to the nodes in sequence. Accordingly, it is possible to reduce the transmission overhead that is most important matter in the broadcast encryption to less than the number of the revoked users. Further, there is an advantage that the transmission overhead of the exemplary embodiments of the present invention is remarkably reduced compared with the Subset Difference method.

    Method of managing user key for broadcast encryption
    9.
    再颁专利
    Method of managing user key for broadcast encryption 有权
    管理广播加密用户密钥的方法

    公开(公告)号：USRE45191E1

    公开(公告)日：2014-10-14

    申请号：US13865725

    申请日：2013-04-18

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Weon-il Jin ,  Dae-youb Kim ,  Hwan-joon Kim ,  Sung-joon Park ,  Jung-hee Cheon ,  Myung-hwan Kim ,  Nam-su Jho ,  Eun-sun Yoo

    IPC: H04L9/08

    Abstract: A user key management method for a broadcast encryption includes assigning node path identifiers (IDs) to nodes arranged in sequence; assigning random seed value keys to the nodes according to the node path IDs; generating key values by repeatedly applying a hash function to the assigned random seed value keys; and assigning the generated key values to the nodes in sequence. Accordingly, it is possible to reduce the transmission overhead that is most important matter in the broadcast encryption to less than the number of the revoked users. Further, there is an advantage that the transmission overhead of the exemplary embodiments of the present invention is remarkably reduced compared with the Subset Difference method.

    Abstract translation: 用于广播加密的用户密钥管理方法包括将节点路径标识符（ID）分配给依次排列的节点; 根据节点路径ID向节点分配随机种子值密钥; 通过重复地将哈希函数应用于所分配的随机种子值键来产生密钥值; 并将生成的密钥值依次分配给节点。 因此，可以将在广播加密中最重要的传输开销降低到小于被撤销用户的数量。 此外，与子集差分法相比，本发明的示例性实施例的传输开销显着降低是有利的。

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