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    • 73. 发明授权
    • Communication circuit and method utilizing a single communication line
    • 采用单通道的通信电路及方法
    • US08788610B2
    • 2014-07-22
    • US13370454
    • 2012-02-10
    • Wei Chen
    • Wei Chen
    • G06F15/16H04L5/14G06F1/26H04L25/49H04L25/02
    • H04L5/1415G06F1/266H04L25/0276H04L25/4902
    • The present invention relates to a communication circuit and method utilizing a single communication line. In one embodiment, a communication circuit can include: a host apparatus having a host sub-circuit and a host port; and a slave apparatus having a slave sub-circuit and a slave port, where the host and slave apparatuses are coupled by the host and slave ports via the single communication line, when the slave apparatus is in a normal working condition, the host sub-circuit receives a first controlling signal, and generates an output controlling signal for the slave sub-circuit, which generates a second controlling signal, when the slave apparatus is in an abnormal working condition, the slave sub-circuit receives a first feedback signal, and generates a feedback controlling signal for the host apparatus, and generates a second feedback signal that regulates the first controlling signal such that the slave apparatus recovers to the normal working condition.
    • 本发明涉及利用单个通信线路的通信电路和方法。 在一个实施例中,通信电路可以包括:具有主机子电路和主机端口的主机设备; 以及具有从子子电路和从端口的从设备,其中当从设备处于正常工作状态时,主设备和从设备通过主通信线路和从端口经由单通信线路耦合, 电路接收第一控制信号,并且当从属设备处于异常工作状态时,从子子电路接收第一反馈信号,并产生用于从子子电路的输出控制信号,产生第二控制信号,以及 生成用于主机装置的反馈控制信号,并产生调节第一控制信号的第二反馈信号,使从属装置恢复到正常工作状态。
    • 74. 发明授权
    • Method for data exchange in a transport system and vehicle control system
    • 运输系统和车辆控制系统中的数据交换方法
    • US08688291B2
    • 2014-04-01
    • US13655063
    • 2012-10-18
    • Siemens Aktiengesellschaft
    • Stephan RupfHorst Wolf
    • G06F17/00
    • H04L27/24H04L5/1415H04L5/1469
    • A vehicle control system for data exchange in a transport system, where a control unit is configured to transfer control commands to a vehicle configured to transfer status messages to the control unit, where a signal generator is connected to a first data line and a second data line and provides a changeover signal, a first switching means is arranged in the control unit and is configured to change positive half-waves of the changeover signal, and a second switching means is arranged in the vehicle and is configured to change negative half-waves of the changeover signal, in a circuit formed by the first and second data lines to transfer binary values back-and-forth between the control unit and the vehicle.
    • 一种用于传输系统中的数据交换的车辆控制系统,其中控制单元被配置为将控制命令传送到配置成将状态消息传送到控制单元的车辆,其中信号发生器连接到第一数据线和第二数据 并且提供切换信号,第一切换装置布置在控制单元中,并且被配置为改变切换信号的正半波,并且第二切换装置布置在车辆中并且被配置为改变负半波 在由第一和第二数据线形成的电路中,在控制单元和车辆之间来回传递二进制值。
    • 78. 发明授权
    • Interface device and image forming apparatus
    • 接口装置和图像形成装置
    • US08203976B2
    • 2012-06-19
    • US12014499
    • 2008-01-15
    • Nobuhito Komoda
    • Nobuhito Komoda
    • H04L5/14H04L12/50G06F13/00
    • H04L5/1415G03G15/50G03G15/80H04L25/0272
    • An interface device includes a parallel-to-serial converting unit, a driver, a receiver, and a serial-to-parallel converting unit. The parallel-to-serial converting unit converts parallel signals into a single-ended signal. The driver converts the single-ended signal from the parallel-to-serial converting unit into a differential signal and transmits the differential signal to an external device via signal lines. The receiver converts a differential signal received via the signal lines from an external device into a single-ended signal. The serial-to-parallel converting unit converts the single-ended signal from the receiver into parallel signals. A direction in which the differential signal is to be transmitted is determined based on a control signal.
    • 接口设备包括并行到串行转换单元,驱动器,接收器和串行到并行转换单元。 并行到串行转换单元将并行信号转换为单端信号。 驱动器将来自并行到串行转换单元的单端信号转换成差分信号,并通过信号线将差分信号发送到外部设备。 接收机将经由信号线从外部设备接收的差分信号转换为单端信号。 串并转换单元将来自接收器的单端信号转换为并行信号。 基于控制信号确定差分信号要发送的方向。
    • 79. 发明申请
    • INPUT/OUTPUT SIGNAL CONTROLLER
    • 输入/输出信号控制器
    • US20100277217A1
    • 2010-11-04
    • US12811771
    • 2008-07-15
    • Mitsuo Takarada
    • Mitsuo Takarada
    • H03K17/56H03K17/687
    • H04L5/1415H03K19/018592H04B2203/5445H04B2203/547H04L25/0272H04L25/0298
    • To easily judge a transmission signal outputted from an own electronic device. A transmission part 7 outputs a transmission signal to a transmission path 1 side. Switching parts Q1 and Q2 are connected between a constant voltage power source and the transmission path 1, to switch on/off of a signal supplied from the constant voltage power source, being the transmission signal from the transmission part 7, and output it to the transmission path 1. A reception part 9 receives the transmission signal from the transmission path 1. A detection part 13 is connected between the constant voltage power source and the switching parts Q1, Q2, to detect the transmission signal from the transmission part 7 flowing through the switching parts Q1 and Q2. A selection part 15 selects the reception part 9, when the transmission signal from the transmission part 7 is not detected by the detection part 13.
    • 容易地判断从自己的电子设备输出的发送信号。 发送部7向发送路径1侧输出发送信号。 开关部分Q1和Q2连接在恒压电源和传输路径1之间,以将来自恒压电源的信号作为来自发送部分7的发送信号的接通/断开,并将其输出到 传输路径1.接收部分9从传输路径1接收传输信号。检测部分13连接在恒压电源和开关部分Q1,Q2之间,以检测来自传输部分7的传输信号 开关部分Q1和Q2。 当来自发送部分7的发送信号未被检测部分13检测到时,选择部分15选择接收部分9。
    • 80. 发明申请
    • INTERFACE DEVICE AND IMAGE FORMING APPARATUS
    • 接口装置和图像形成装置
    • US20080170604A1
    • 2008-07-17
    • US12014499
    • 2008-01-15
    • Nobuhito KOMODA
    • Nobuhito KOMODA
    • H04L25/52
    • H04L5/1415G03G15/50G03G15/80H04L25/0272
    • An interface device includes a parallel-to-serial converting unit, a driver, a receiver, and a serial-to-parallel converting unit. The parallel-to-serial converting unit converts parallel signals into a single-ended signal. The driver converts the single-ended signal from the parallel-to-serial converting unit into a differential signal and transmits the differential signal to an external device via signal lines. The receiver converts a differential signal received via the signal lines from an external device into a single-ended signal. The serial-to-parallel converting unit converts the single-ended signal from the receiver into parallel signals. A direction in which the differential signal is to be transmitted is determined based on a control signal.
    • 接口设备包括并行到串行转换单元,驱动器,接收器和串行到并行转换单元。 并行到串行转换单元将并行信号转换为单端信号。 驱动器将来自并行到串行转换单元的单端信号转换成差分信号,并通过信号线将差分信号发送到外部设备。 接收机将经由信号线从外部设备接收的差分信号转换为单端信号。 串并转换单元将来自接收器的单端信号转换为并行信号。 基于控制信号确定差分信号要发送的方向。