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    • 23. 发明授权
    • Method and apparatus for transmitting data over data bus at maximum speed
    • 用于通过数据总线以最大速度发送数据的方法和装置
    • US06397277B1
    • 2002-05-28
    • US09315092
    • 1999-05-19
    • Junji KatoTakehiko Nakano
    • Junji KatoTakehiko Nakano
    • G06F1300
    • H04L12/4013H04L12/40052Y02D50/10
    • A method and apparatus for transmitting data among devices connected to a serial data bus at maximum speeds are disclosed. Each device may be capable of transmitting data at several speeds. A transmitting device first transmits a data packet to a target recipient device at a maximum transmission speed of the transmitting device. If an acknowledgement signal confirming receipt of the initial data transmission is received from the target recipient, then the transmission speed for subsequent data packet transmissions's set to the speed of the just-transmitted data. Otherwise, the transmission speed is reduced and the process is repeated. Once an acknowledgement is received and the speed is set, the speed may be stored in a memory of the transmitting device for use in future communications with the recipient device. The process is repeated to establish maximum suitable transmission speeds to other target devices connected to the bus. The invention has particular utility when used in conjunction with an IEEE 1394 serial bus interface in the absence of a bus manager. Following a bus reset operation in which the memory of each device is cleared, individual devices reestablish appropriate data transmission speeds to each of the other devices by transmitting packets at varying speeds, if necessary, until acknowledgements are received.
    • 公开了一种用于在以最大速度连接到串行数据总线的设备之间传输数据的方法和装置。 每个设备可能能够以几种速度传输数据。 发送设备首先以发送设备的最大传输速度向目标接收方设备发送数据分组。 如果从目标接收方接收到确认接收到初始数据传输的确认信号,则将后续数据分组传输的传输速度设置为刚发送的数据的速度。 否则,传输速度降低,重复处理。 一旦接收到确认并且设置了速度,则速度可以存储在发送设备的存储器中,以用于将来与接收设备的通信。 重复该过程以建立与连接到总线的其他目标设备的最佳合适的传输速度。 在没有总线管理器的情况下,当与IEEE 1394串行总线接口结合使用时,本发明具有特别的用途。 在每个设备的存储器被清除的总线复位操作之后,如果需要,各个设备通过以不同的速度发送分组来重新建立到每个其他设备的适当的数据传输速度,直到接收到确认。
    • 29. 发明授权
    • Program, data processing method and data processing apparatus
    • 程序,数据处理方法和数据处理装置
    • US07734630B2
    • 2010-06-08
    • US10518992
    • 2004-04-16
    • Junji Kato
    • Junji Kato
    • G06F17/30
    • G06F17/30758G06F17/30029G06F17/30749G06F17/30761G11B27/105
    • A specifying portion 371 for specifying a favorite content list of other user “U” indicating same contents as those indicated by a favorite content list D_t1 of a user U_A among a plurality of favorite content lists D_t respectively indicating contents favored by respective users “U” defined by corresponding to the respective users “U”; and a recommendation list generation portion 372 for ranking based on number of respective contents indicated by the favorite content lists D_t of other users by using the favorite content list D_t1 and a favorite content lists of other users “U”, and generating a recommendation content list D_r1; are provided.
    • 指定部分371,用于指定分别指示各个用户“U”所喜爱的内容的多个收藏内容列表D_t中的与用户U_A的喜好内容列表D_t1所指示的内容相同的其他用户“U”的收藏内容列表 由相应的用户“U”定义; 以及推荐列表生成部372,用于通过使用收藏内容列表D_t1和其他用户“U”的收藏内容列表,基于由其他用户的收藏内容列表D_t指示的各个内容的数量进行排名,并生成推荐内容列表 D_r1; 被提供。