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    • 24. 发明授权
    • Multiplex transmission system
    • 多路传输系统
    • US4644346A
    • 1987-02-17
    • US658022
    • 1984-10-05
    • Tetsuo ItoSetsuo Arita
    • Tetsuo ItoSetsuo Arita
    • H04L5/16G08C15/12H04J3/00H04J3/02H04L5/22G08B5/22G01J1/34G08B5/00
    • G08C15/12
    • The present invention consists in disposing a first transmission unit in a control panel which is installed in a central control room, and a second transmission unit in a control device which is installed near an equipment to-be-controlled of a plant. The first transmission unit and the second transmission unit are connected by a cable. Each of the first transmission unit and the second transmission unit comprises a transmitter, a receiver, a serializer, a deserializer, change-over means and change-over control means. The serializer, which produces a serial information signal wherein a plurality of received information signals are arrayed in series, is connected to the transmitter. The deserializer separates a serial information signal delivered from the receiver, into a plurality of information signals. The plurality of change-over means connect a plurality of signal transmission cables respectively connected thereto, to the serializer or the deserializer. The plurality of change-over control means control connectional statuses of the corresponding change-over means on the basis of the respective information signals separated and delivered by the deserializer.
    • 本发明在于将第一传输单元设置在安装在中央控制室中的控制面板中,以及在控制装置中的第二传输单元,该控制装置安装在工厂要被控制的设备附近。 第一传输单元和第二传输单元通过电缆连接。 第一传输单元和第二传输单元中的每一个包括发射机,接收机,串行器,解串器,转换装置和转换控制装置。 产生其中多个接收的信息信号串联排列的串行信号信号的串行器连接到发射机。 解串器将从接收器传送的串行信息信号分离成多个信息信号。 多个转换装置将分别与其连接的多个信号传输电缆连接到串行器或解串器。 多个切换控制装置基于由解串器分离和传送的各个信息信号来控制相应转换装置的连接状态。
    • 25. 发明授权
    • Middle value selection circuit
    • 中间值选择电路
    • US4593249A
    • 1986-06-03
    • US512000
    • 1983-07-08
    • Setsuo AritaTakao Sato
    • Setsuo AritaTakao Sato
    • G01R19/00G05B9/03H03K19/003H03K17/62
    • H03K19/00392G01R19/0038G05B9/03
    • The middle value selection circuit includes three high value selection circuits and one low value selection circuit. Each high value selection circuit consists of a pair of first NPN transistors and a first constant current circuit. The emitter of each first NPN transistor of the high value selection circuit is connected to the first constant current circuit and the base of the second NPN transistor of the low value selection circuit. The base of this second NPN transistor is connected to the second constant current circuit and to an output terminal. The collector of the second NPN transistor is connected to its base. The first constant current circuit produces a current which is twice the output current of the second constant current circuit. Two analog signals having mutually different combinations among three input analog signals are applied to the NPN transistors of one high value selection circuit. The analog signal having a greater value of the two analog signals is generated at the junction of the emitters of these NPN transistors. The analog signals, each representative of the greater value, from the high value selection circuits are applied the emitter of the second NPN transistor. The low value selection circuit produces an analog signal representative of the minimal value among the analog signals applied to the three second NPN transistors.
    • 中间值选择电路包括三个高值选择电路和一个低值选择电路。 每个高值选择电路由一对第一NPN晶体管和第一恒流电路组成。 高值选择电路的每个第一NPN晶体管的发射极连接到第一恒流电路和低值选择电路的第二NPN晶体管的基极。 该第二NPN晶体管的基极连接到第二恒流电路和输出端。 第二NPN晶体管的集电极连接到其基极。 第一恒流电路产生的电流是第二恒流电路的输出电流的两倍。 在三个输入模拟信号中具有相互不同组合的两个模拟信号被施加到一个高值选择电路的NPN晶体管。 在这些NPN晶体管的发射极的结处产生具有两个模拟信号的较大值的模拟信号。 来自高值选择电路的代表较大值的模拟信号被施加第二NPN晶体管的发射极。 低值选择电路产生表示施加到三个第二NPN晶体管的模拟信号中的最小值的模拟信号。
    • 26. 发明授权
    • Wireless communications device and wireless communications method
    • 无线通信设备和无线通信方式
    • US08817851B2
    • 2014-08-26
    • US13578053
    • 2011-02-15
    • Setsuo AritaShinji MurataYuji IchinoseHideaki Masuko
    • Setsuo AritaShinji MurataYuji IchinoseHideaki Masuko
    • H04B1/38
    • H04W28/04H04L1/0061H04L1/0072H04L1/0079H04L1/008H04L1/08
    • Disclosed is a wireless communications device with strong realtime performance, giving rise to no latency in communications even if communications errors arise in the communication frame MAC header. MAC header information is used to determine whether or not the destination address of a received data frame is the address of a concerned wireless communications device (1). MAC header information allocated among a plurality of MAC headers is employed in selecting MAC header information without errors. If all MAC header information is in error, a majority determination processing unit (13) is used to effect a majority determination of the MAC header information and generate correct MAC header information. A received data extraction unit (14) removes the received frame header, etc., extracts the received data, and outputs same to an external device.
    • 公开了一种具有强实时性能的无线通信设备,即使在通信帧MAC报头中出现通信错误,也不会导致通信延迟。 MAC头信息用于确定接收到的数据帧的目的地地址是否是相关无线通信设备(1)的地址。 在多个MAC头之间分配的MAC头信息被采用来选择MAC头信息而没有错误。 如果所有MAC头信息都是错误的,则多数确定处理单元(13)用于对MAC头信息进行多数确定,并生成正确的MAC头信息。 接收数据提取单元(14)去除所接收的帧头等,提取接收到的数据,并将其输出到外部设备。
    • 27. 发明授权
    • Communication system in trains
    • 列车通信系统
    • US08766877B2
    • 2014-07-01
    • US12019048
    • 2008-01-24
    • Nao SaitoSetsuo AritaSatoru ItoKazunori AyabeYukio Sagawa
    • Nao SaitoSetsuo AritaSatoru ItoKazunori AyabeYukio Sagawa
    • G09G5/00
    • B61D49/00B61L15/0036B61L15/009
    • A communication system in trains comprises a control data communication device 400 and an image data communication device 300 installed in each of the cars. The control data communication device 400 transmits train operation information, train location information, control instructions of train-mounted apparatuses, and the like. The image data communication device 300 transmits image information such as moving images and still images, audio information such as in-train announcement, textual information for caption display, and operation log information of apparatuses, which form the contents, to a display unit 200 installed in each of the cars and to apparatuses 500 such as a telephone. The display unit 200 switches the display on the screen in accordance with train control information transmitted from the control data communication device 400 through the image data communication device 300.
    • 列车中的通信系统包括控制数据通信设备400和安装在每个轿厢中的图像数据通信设备300。 控制数据通信装置400发送列车运行信息,列车位置信息,列车装置的控制指令等。 图像数据通信装置300将形成内容的诸如运动图像和静止图像的图像信息,诸如列车内公告的音频信息,字幕显示的文本信息和装置的操作日志信息发送到安装的显示单元200 在每个汽车中以及诸如电话的设备500。 显示单元200根据从控制数据通信设备400通过图像数据通信设备300发送的列车控制信息来切换屏幕上的显示。
    • 28. 发明申请
    • COMMUNICATION SYSTEM IN TRAINS
    • 火车通讯系统
    • US20080237406A1
    • 2008-10-02
    • US12019048
    • 2008-01-24
    • Nao SaitoSetsuo AritaSatoru ItoKazunori AyabeYukio Sagawa
    • Nao SaitoSetsuo AritaSatoru ItoKazunori AyabeYukio Sagawa
    • B61L25/02B61D37/00
    • B61D49/00B61L15/0036B61L15/009
    • A communication system in trains comprises a control data communication device 400 and an image data communication device 300 installed in each of the cars. The control data communication device 400 transmits train operation information, train location information, control instructions of train-mounted apparatuses, and the like. The image data communication device 300 transmits image information such as moving images and still images, audio information such as in-train announcement, textual information for caption display, and operation log information of apparatuses, which form the contents, to a display unit 200 installed in each of the cars and to apparatuses 500 such as a telephone. The display unit 200 switches the display on the screen in accordance with train control information transmitted from the control data communication device 400 through the image data communication device 300.
    • 列车中的通信系统包括控制数据通信设备400和安装在每个轿厢中的图像数据通信设备300。 控制数据通信装置400发送列车运行信息,列车位置信息,列车装置的控制指令等。 图像数据通信装置300将形成内容的诸如运动图像和静止图像的图像信息,诸如列车内公告的音频信息,字幕显示的文本信息和装置的操作日志信息发送到安装的显示单元200 在每个汽车中以及诸如电话的设备500。 显示单元200根据从控制数据通信设备400通过图像数据通信设备300发送的列车控制信息来切换屏幕上的显示。
    • 30. 发明授权
    • Multi-element information transmission system
    • 多元素信息传输系统
    • US4727539A
    • 1988-02-23
    • US844321
    • 1986-03-26
    • Setsuo AritaWataru KitauraYuji IchinoseKohyu Fukunishi
    • Setsuo AritaWataru KitauraYuji IchinoseKohyu Fukunishi
    • G08C15/12H04L12/423H04Q9/14H04J3/02
    • H04L12/423G08C15/12H04Q9/14
    • A plurality of slave stations receive a plurality of apparatus information signals concerning apparatus to be controlled (or sensors), and a master station allots the apparatus information signals to time slots in a transmission path and receives a specified apparatus information signal with priority from the respective slave stations. A priority change information signal adder in the master station adds a priority change information signal for changing priority of the information signals transmitted from each slave station to an information transmission signal string containing a sync signal and various information signals transmitted to each slave station. A multi-element information signal separator/processor in the master station separates and processes the multi-element information signals transmitted from each slave station, on the basis of the priority change information signal. A detector/counter in each slave station detects the sync signal transmitted from the master station and counts the number of time slots following the sync signal. A transmission pattern reconstructor in the slave station reconstructs transmission patterns of the respective slave stations in accordance with the priority change information signal when a count value coincides with a predetermined value.
    • 多个从站接收到关于要控制的设备(或传感器)的多个设备信息信号,并且主站将设备信息信号分配给传输路径中的时隙,并且从相应的接收到的优先级接收指定的设备信息信号 从站。 主站中的优先改变信息信号加法器将用于将从每个从站发送的信息信号的优先级改变为包含发送到每个从站的同步信号和各种信息信号的信息发送信号串的优先权改变信息信号。 主站中的多元素信息信号分离器/处理器基于优先级改变信息信号分离和处理从每个从站发送的多元素信息信号。 每个从站中的检测器/计数器检测从主站发送的同步信号,并对同步信号后的时隙数进行计数。 当计数值与预定值一致时,从站中的传输模式重建器根据优先级改变信息信号来重建各个从站的传输模式。