Communication device, communication system, and algorithm selection method
    1.
    发明授权
    Communication device, communication system, and algorithm selection method 失效
    通信设备,通信系统和算法选择方法

    公开(公告)号:US07313234B2

    公开(公告)日:2007-12-25

    申请号:US10695936

    申请日:2003-10-30

    IPC分类号: H04L9/28

    CPC分类号: H04L9/0891 H04L2209/601

    摘要: An encryption information determination section in a communication device negotiates an encryption algorithm to be used for encrypted communications with an encryption information determination section in a network camera, which is a communication counterpart. At this time, the encryption algorithm to be selected is varied depending on the CPU load of the communication device. That is, if the CPU utilization rate is high, a low-load encryption algorithm is selected, and if the CPU utilization rate is low, a high-load encryption algorithm is selected. A encryption/decryption processing section performs code processing using the encryption algorithm selected by the encryption information determination section.

    摘要翻译: 通信装置中的加密信息确定部分协商用于与作为通信对方的网络摄像机中的加密信息确定部分进行加密通信的加密算法。 此时,要选择的加密算法根据通信设备的CPU负载而变化。 也就是说,如果CPU利用率高,则选择低负载加密算法,如果CPU利用率低,则选择高负载加密算法。 加密/解密处理部分使用由加密信息确定部分选择的加密算法来执行代码处理。

    COMMUNICATION APPARATUS
    2.
    发明申请
    COMMUNICATION APPARATUS 审中-公开
    通讯设备

    公开(公告)号:US20110019555A1

    公开(公告)日:2011-01-27

    申请号:US12439758

    申请日:2007-09-12

    IPC分类号: H04L12/26 G08C17/00 H04W52/02

    摘要: To provide a communication apparatus for achieving further improvements in communication quality and power saving effect, without depending on network environments. A portable terminal (211) as a communication apparatus includes: a communication I/F unit (108) performing data transmission/reception with a transmitter apparatus (203) on a communication protocol having flow control such as TCP; a power control unit (106) switching power on and off to the communication I/F unit (108); and a suppression/resumption control unit (104) determining cycle interval Tc and cycle data size Dc according to communication quality required by a communication application program and, per cycle interval Tc, causing data of cycle data size Dc to be transmitted in a burst state, suppressing data transmission from the transmitter apparatus (203), and causing the power control unit (106) to power off the communication I/F unit (108) while the data transmission is suppressed (T2 to T3), using the flow control mechanism.

    摘要翻译: 提供一种用于实现通信质量和省电效果的进一步改进的通信装置,而不依赖于网络环境。 作为通信装置的便携式终端(211)包括:通信I / F单元(108),对具有诸如TCP的流量控制的通信协议执行与发送装置(203)的数据发送/接收; 功率控制单元(106),其向所述通信I / F单元(108)接通和断开电力; 抑制/恢复控制单元(104)根据通信应用程序所需的通信质量确定周期间隔Tc和周期数据大小Dc,并且每个周期间隔Tc使周期数据大小Dc的数据以突发状态发送 ,抑制从发送装置(203)的数据发送,并且在数据发送被抑制(T2〜T3)时使电力控制单元(106)断开通信I / F单元(108),使用流量控制机构 。

    Communications device and communications program
    3.
    发明授权
    Communications device and communications program 有权
    通信设备和通信程序

    公开(公告)号:US07558956B2

    公开(公告)日:2009-07-07

    申请号:US11049686

    申请日:2005-02-04

    IPC分类号: H04L9/00 H04K1/00

    摘要: A transmitting side communications device transmits a Delete Payload of an IPsec SA using an ISAKMP SA that satisfies a transmission condition, and more preferably using all ISAKMP SAs that exist between communications devices. The receiving side communications device accepts a Delete Payload by an ISAKMP SA that satisfies a reception condition, and preferably any ISAKMP SA that exists between the communications devices. As long as there exists an IPsec SA that was established using the ISAKMP SA, it remains possible to maintain an ISAKMP SA, without completely deleting it, and to transmit and receive a Delete Payload by that ISAKMP SA.

    摘要翻译: 发送侧通信装置使用满足发送条件的ISAKMP SA,更优选使用存在于通信装置之间的所有ISAKMP SA来发送IPsec SA的删除有效载荷。 接收侧通信装置接受由满足接收条件的ISAKMP SA的删除有效载荷,优选接收存在于通信装置之间的任何ISAKMP SA。 只要存在使用ISAKMP SA建立的IPsec SA,则可以在不完全删除ISAKMP SA的情况下维护ISAKMP SA,并且可以通过ISAKMP SA发送和接收删除有效载荷。

    Communications device and communications program
    4.
    发明申请
    Communications device and communications program 有权
    通信设备和通信程序

    公开(公告)号:US20050185644A1

    公开(公告)日:2005-08-25

    申请号:US11049686

    申请日:2005-02-04

    IPC分类号: H04L29/06 H04L29/08 H04L12/28

    摘要: A transmitting side communications device transmits a Delete Payload of an IPsec SA using an ISAKMP SA that satisfies a transmission condition, and more preferably using all ISAKMP SAs that exist between communications devices. The receiving side communications device accepts a Delete Payload by an ISAKMP SA that satisfies a reception condition, and preferably any ISAKMP SA that exists between the communications devices. As long as there exists an IPsec SA that was established using the ISAKMP SA, it remains possible to maintain an ISAKMP SA, without completely deleting it, and to transmit and receive a Delete Payload by that ISAKMP SA.

    摘要翻译: 发送侧通信装置使用满足发送条件的ISAKMP SA,更优选使用存在于通信装置之间的所有ISAKMP SA来发送IPsec SA的删除有效载荷。 接收侧通信装置接受由满足接收条件的ISAKMP SA的删除有效载荷,优选接收存在于通信装置之间的任何ISAKMP SA。 只要存在使用ISAKMP SA建立的IPsec SA,则可以在不完全删除ISAKMP SA的情况下维护ISAKMP SA,并且可以通过ISAKMP SA发送和接收删除有效载荷。

    COMMUNICATION APPARATUS
    5.
    发明申请
    COMMUNICATION APPARATUS 审中-公开
    通讯设备

    公开(公告)号:US20090268747A1

    公开(公告)日:2009-10-29

    申请号:US12066224

    申请日:2006-10-02

    IPC分类号: H04L12/56

    摘要: To provide a communication apparatus which is capable of voluntarily controlling, according to its own reception capability, data transmission traffic, while reducing the burden for the control. The communication apparatus includes: a communication unit (35) which receives data; an ACK generating unit (45) which generates an ACK packet and transmit the ACK packet to a transmitting side apparatus (38), the ACK packet indicating a response to the transmitting side apparatus (38), the response corresponding to the data received by the communication unit (35); and a window updating notification generating unit (46) which generates a window updating notifying packet and transmit the window updating notifying packet to the transmitting side apparatus (38) irrespective of a result of the data reception by the communication unit (35), the window updating notifying packet requesting the transmitting side apparatus (38) to transmit data.

    摘要翻译: 为了提供能够根据其自身的接收能力自动控制数据传输业务的通信装置,同时减少了控制的负担。 通信装置包括:通信单元(35),其接收数据; 生成ACK分组并将ACK分组发送到发送侧装置(38)的ACK生成单元(45),所述ACK分组指示对发送侧装置(38)的响应,对应于由所述发送侧装置接收到的数据的响应 通信单元(35); 窗口更新通知生成单元(46),其生成窗口更新通知单元,并将通知单元(35)的数据接收结果与窗口更新通知单发送给发送侧装置(38),窗口 更新请求发送侧装置(38)发送数据的通知分组。

    Communication Device, Storage Medium, Integrated Circuit, and Communication System
    6.
    发明申请
    Communication Device, Storage Medium, Integrated Circuit, and Communication System 审中-公开
    通信设备,存储介质,集成电路和通信系统

    公开(公告)号:US20080008183A1

    公开(公告)日:2008-01-10

    申请号:US11793020

    申请日:2005-11-22

    IPC分类号: H04L12/56

    摘要: It is an object of the present invention to provide a QoS controllable communication device and communication system. A device 114 such as a first IP telephone comprising a QoS control unit 121 of the present invention transmits first transmission control data to a device 111 such as a PC performing lower priority communication. The first transmission control data includes data for changing the communication path of the lower priority communication, and the PC 111, having received the first transmission control data, performs subsequent lower priority communication through the first IP telephone or other device 114, enabling the first QoS control unit 121 to perform priority control. Because the present invention employs widely used protocols such as ARP and ICMP, the device 111 receiving the control data does not need protocols specific to the present invention.

    摘要翻译: 本发明的目的是提供一种QoS可控通信设备和通信系统。 诸如包括本发明的QoS控制单元121的第一IP电话的设备114向诸如执行较低优先级通信的PC的设备111发送第一传输控制数据。 第一传输控制数据包括用于改变较低优先级通信的通信路径的数据,并且已经接收到第一传输控制数据的PC 111经由第一IP电话或其他设备114执行后续的较低优先级通信,使能第一QoS 控制单元121执行优先级控制。 由于本发明采用广泛使用的协议,如ARP和ICMP,接收控制数据的设备111不需要本发明特有的协议。

    CONTENT PLAYBACK DEVICE, CONTENT PLAYBACK SYSTEM, AND CONTENT PLAYBACK METHOD
    7.
    发明申请
    CONTENT PLAYBACK DEVICE, CONTENT PLAYBACK SYSTEM, AND CONTENT PLAYBACK METHOD 有权
    内容回放装置,内容回放系统和内容回放方法

    公开(公告)号:US20140003790A1

    公开(公告)日:2014-01-02

    申请号:US14004662

    申请日:2012-03-13

    申请人: Keiichi Takagaki

    发明人: Keiichi Takagaki

    IPC分类号: H04N21/472

    CPC分类号: H04N21/47217 H04N21/43622

    摘要: A content playback device includes a communication unit which communicates with a control device; a display unit which displays content; an input unit which accepts input; and a content playback authorization determination unit which determines whether to switch from content being displayed to acquired content, wherein the content playback authorization determination unit determines whether it is necessary to acquire an instruction as to whether to switch from the content being displayed to the acquired content, and when the content playback authorization determination unit acquires an authorization instruction or determines that it is not necessary to acquire the instruction, the content playback authorization determination unit switches from the content being displayed to the acquired content, and when the content playback authorization determination unit acquires a rejection instruction, the content playback authorization determination unit causes the display unit to continue display of the content being displayed.

    摘要翻译: 内容回放设备包括与控制设备通信的通信单元; 显示单元,显示内容; 接受输入的输入单元; 以及内容回放授权确定单元,其确定是否从正在显示的内容切换到所获取的内容,其中所述内容重放授权确定单元确定是否需要获取关于是否从正在显示的内容切换到所获取的内容的指令 ,并且当内容播放授权确定单元获取授权指令或确定不需要获取指令时,内容重放授权确定单元从正在显示的内容切换到所获取的内容,并且当内容播放授权确定单元 获取拒绝指令,内容播放授权确定单元使显示单元继续显示正在显示的内容。

    Content reproduction system, content reproduction method, content reproduction device, and server
    9.
    发明授权
    Content reproduction system, content reproduction method, content reproduction device, and server 有权
    内容再现系统,内容再现方法,内容再现设备和服务器

    公开(公告)号:US08788626B2

    公开(公告)日:2014-07-22

    申请号:US13000112

    申请日:2009-07-29

    IPC分类号: G06F15/16 G06F15/173

    摘要: The content reproduction device receives, from a server, information for indicating the location of content reproduction control information that is required for acquiring the content reproduction control information, and acquires the content reproduction control information from the server. Then, the content reproduction device extracts AV data and clip identification information for specifying clip information for managing the AV data. Then, the content reproduction device converts a predetermined part of the information for indicating the location of the content reproduction control information by applying the clip identification information and a predetermined conversion rule, generates information for indicating the location of the clip information and the AV data, and acquires the clip information and the AV data from the server.

    摘要翻译: 内容再现装置从服务器接收用于指示获取内容再现控制信息所需的内容再现控制信息的位置的信息,并且从服务器获取内容再现控制信息。 然后,内容再现装置提取用于指定用于管理AV数据的剪辑信息的AV数据和剪辑标识信息。 然后,内容再现装置通过应用剪辑标识信息和预定转换规则来转换用于指示内容再现控制信息的位置的信息的预定部分,生成用于指示剪辑信息和AV数据的位置的信息, 并从服务器获取剪辑信息和AV数据。