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    • 1. 发明授权
    • Command within asynchronous packet for controlling
    • 用于控制异步包内的命令
    • US06195711B1
    • 2001-02-27
    • US09103837
    • 1998-06-24
    • Hiraku InoueMakoto SatoHarumi Kawamura
    • Hiraku InoueMakoto SatoHarumi Kawamura
    • G06F1310
    • G06F3/068G06F3/061G06F3/0658G06F13/426G06F2213/0012
    • A communication controlling method and apparatus, a communication controlling system, and a transmission medium exchanges a plurality of media by using a simple command. In controlling exchanging of a plurality of media, a medium exchanging sub unit and a medium driving sub unit are defined, and in the OPC of a command which instructs the medium exchanging sub unit for movement of a medium, a code of a command for instruction for loading or unloading of a predetermined medium is placed: in the OPR1 a slot number of the medium exchanging sub unit (changer) in which the predetermined medium is accommodated is placed; and in the OPR2 a number of a port through which a medium is to be loaded into or unloaded from the medium driving sub unit by the medium exchanging sub unit is placed.
    • 通信控制方法和装置,通信控制系统和传输介质通过简单的命令来交换多个媒体。 在控制多个介质的交换中,定义介质交换子单元和介质驱动子单元,并且在指示介质交换子单元移动介质的命令的OPC中,指令命令的代码 放置预定介质的装载或卸载:在OPR1中放置容纳有预定介质的介质交换子单元(更换器)的槽号; 并且在OPR2中,放置了通过介质交换子单元将媒体从介质驱动子单元装入或卸载的多个端口。
    • 9. 发明授权
    • Assuring data read/write operation in an electronic appliance
    • 确保电子设备中的数据读/写操作
    • US5942983A
    • 1999-08-24
    • US759457
    • 1996-12-05
    • Yuko IijimaHisato ShimaHarumi KawamuraMakoto Sato
    • Yuko IijimaHisato ShimaHarumi KawamuraMakoto Sato
    • G06F13/42G06F13/00G06F13/14H04Q3/00
    • H04N21/4135H04N21/43632H04N5/765H04N21/4108
    • In a communication system, when data is read/written from/into a memory contained in a recording medium employed in one electronic appliance by another electronic appliance via a communication control bus such as the IEEE-1394 serial bus, the data read/write operations can be assured. At least one electronic appliance manages the below-mentioned items (1) to (5) when at least one electronic appliance receives commands transmitted when another electronic appliance executes data read/write operations to the storage element; (1) a first electronic appliance is brought into an open state by accepting an open command while being under a close condition; (2) a first electronic appliance is maintained in a close state by accepting a close command while being under a close condition; (3) a,first electronic appliance memorizes the identity of a second electronic appliance which has transmitted an open command when in an open condition; (4) when a first electronic appliance accepts a read/write open command from a third electronic appliance other than the memorized second electronic appliance under a read open condition, the first electronic appliance forcibly closes the read open condition; and (5) when a first electronic appliance receives one of a read open command and a read/write open command from a third electronic appliance other than the memorized second electronic appliance under read/write open condition, the first electronic appliance returns a reject response to the third electronic appliance issuing the read/write open command.
    • 在通信系统中,当通过诸如IEEE-1394串行总线的通信控制总线由另一电子设备从包含在一个电子设备中的记录介质中的存储器中读取/写入数据时,数据读/写操作 可以放心 当至少一个电子设备接收另一电子设备向存储元件执行数据读/写操作时发送的命令,至少一个电子设备管理下述项目(1)至(5) (1)第一电子设备在处于闭合状态的同时接受打开指令而处于打开状态; (2)第一电子设备在处于关闭状态的同时接受关闭命令而保持在关闭状态; (3)a,第一电子设备记录在处于打开状态时已经发送打开命令的第二电子设备的身份; (4)当第一电子设备在读取打开状态下接受来自第三电子设备而不是存储的第二电子设备的读/写打开命令时,第一电子设备强制关闭读取打开状态; 和(5)当第一电子设备在读/写打开状态下从除第二电子设备之外的第三电子设备接收到读取打开命令和读/写打开命令之一时,第一电子设备返回拒绝响应 到发出读/写打开命令的第三台电子设备。