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    • 1. 发明申请
    • DATA TRANSMISSION DEVICE AND DATA TRANSMISSION CONTROL DEVICE
    • 数据传输设备和数据传输控制设备
    • US20130232536A1
    • 2013-09-05
    • US13885464
    • 2011-11-25
    • Jun HiranoKouichi Masuda
    • Jun HiranoKouichi Masuda
    • H04N21/61
    • H04N21/6156H04H20/04H04H20/103H04H20/18H04H20/42H04H60/05H04H60/12H04L65/4007H04L65/80H04N21/2187H04N21/23439H04N21/2365H04N21/6587
    • Disclosed is a technique for effectively transmitting a plurality of contents under the situation securing minimum QoS. According to the technique, among a plurality of contents to be transmitted to a data reception device, two or more contents are set as main contents, and the remaining contents are set as stand-by contents. One of the two or more main contents is set as a broadcasting content to be broadcasted actually, and the remaining main content is set as a switching content. The data transmission device transmits the two main contents to the data reception device via a high-quality line (main content line) and transmits the remaining stand-by contents via a line of a quality lower than the main content line (proxy data transmission line). Contents are switched by interchanging between a broadcasting content and a switching content and interchanging between a switching content and a stand-by content.
    • 公开了一种在保证最低QoS的情况下有效发送多个内容的技术。 根据该技术,在要发送到数据接收装置的多个内容中,将两个或更多个内容设置为主要内容,并将剩余内容设置为备用内容。 将两个以上的主要内容中的一个设置为要实际广播的广播内容,并将剩余的主要内容设置为切换内容。 数据发送装置通过高品质线路(主内容线路)将两个主要内容发送到数据接收装置,并通过低于主内容线(代理数据传输线路)的质量线发送剩余的备用内容 )。 通过在广播内容和切换内容之间进行交换以及切换内容和待机内容之间的交换来切换内容。
    • 4. 发明申请
    • Wireless Lan Transmission System and Wireless Communication Terminal
    • 无线蓝牙传输系统和无线通信终端
    • US20070263578A1
    • 2007-11-15
    • US11664727
    • 2005-11-21
    • Mariko NakasoKouichi Masuda
    • Mariko NakasoKouichi Masuda
    • H04Q7/24
    • H04W36/0011H04W28/16H04W36/14H04W84/12H04W92/14
    • Provided in a wireless LAN transmission system, having convenience and improved security, in which a wireless communication terminal located in a wireless communication area is capable of changing a setting of a connection, and capable of disconnecting the wireless communication terminal from the connection if the connection is unnecessary. A control management section (7) controls a switching section (5) based on an initial setting (S001). When a beacon signal transmitted from the wireless communication terminal is detected in a signal monitoring block (8) (S002), the control management section switches an operation of the switching section (5) so as to transmit signals outputted from all of at least one access point (4) to the wireless communication terminal (S003). If the wireless communication terminal issues a communication path-setting-change request while the signals outputted from all of the at least one access point is transmitted to the wireless communication terminal (S004), the control management section examines whether the wireless communication terminal is operated by an authorized user (S005), further determines whether a setting can be changed in accordance with the communication path-setting-change request (S006), and updates a stored setting based on the communication path-setting-change request (S008). Thereafter, the control management section transmits a message indicating that a change in the setting has been completed (S009), and changes the setting of a communication path to the updated setting thereof (S0101), thereby allowing the wireless communication terminal to connect with a desired one of the at least one access point (4) (S011).
    • 在无线LAN传输系统中,具有便利性和改进的安全性,其中位于无线通信区域中的无线通信终端能够改变连接的设置,并且能够如果连接断开无线通信终端与连接 是不必要的 控制管理部(7)基于初始设定来控制切换部(5)(S 001)。 当在信号监视块(8)中检测到从无线通信终端发送的信标信号(S 002)时,控制管理部分切换切换部分(5)的操作,以便发送从至少全部输出的信号 一个接入点(4)发送到无线通信终端(S 003)。 如果无线通信终端在从所有至少一个接入点全部输出的信号发送到无线通信终端的同时发出通信路径设定变更请求(S 004),则控制管理部检查无线通信终端 由授权用户操作(S 005)进一步确定是否可以根据通信路径设置改变请求改变设置(S 006),并且基于通信路径设置改变请求更新存储的设置( S 008)。 此后,控制管理部分发送指示设置的改变已经完成的消息(S 009),并且将通信路径的设置改变为其更新的设置(S 0101),从而允许无线通信终端连接 具有所述至少一个接入点(4)中的期望的一个(S 011)。
    • 5. 发明申请
    • Multimode optical transmission apparatus and multimode optical transmission system
    • 多模光传输装置及多模光传输系统
    • US20060289730A1
    • 2006-12-28
    • US11474458
    • 2006-06-26
    • Tsutomu NiihoKouichi Masuda
    • Tsutomu NiihoKouichi Masuda
    • G01J1/04G01J5/08
    • H04B10/2581
    • Provided is a multimode optical transmission system for reducing a deterioration of a noise characteristic and a distortion characteristic caused by an interference between modes. In an optical transmitter 11, a signal output section outputs a predetermined signal based on an inputted electrical signal. A control section 130 controls the signal output section so as to adjust a frequency component of the signal outputted by the signal output section based on group delay information of modes which propagate in a multimode optical transmission line 310. An electric-optic conversion section 110 converts, into an optical signal, the signal outputted by the signal output section, and transmits the optical signal via the multimode optical transmission line 310.
    • 提供了一种用于减少由模式之间的干扰引起的噪声特性和失真特性恶化的多模光传输系统。 在光发射机11中,信号输出部根据输入的电信号输出规定的信号。 控制部分130控制信号输出部分,以便基于在多模光传输线路310中传播的模式的组延迟信息来调整由信号输出部分输出的信号的频率分量。 电光转换部110将由信号输出部输出的信号转换为光信号,并经由多模光传输线310发送光信号。
    • 6. 发明申请
    • Radio access system
    • 无线接入系统
    • US20060198332A1
    • 2006-09-07
    • US10546729
    • 2004-12-03
    • Tsutomu NiihoKouichi Masuda
    • Tsutomu NiihoKouichi Masuda
    • H04Q7/00
    • H04W72/121H04W74/0816H04W88/085
    • A wireless access system is provided which prevents the occurrence of a hidden terminal problem and minimizes the reduction in throughput. In the wireless access system, an access point (12) divides terminals into groups such that terminals in one group cannot recognize radio waves sent from terminals in another group, and performs communication with the terminals on a per-group basis. By this, the wireless access system avoids the occurrence of the hidden terminal problem. RTS/CTS packets used to avoid the occurrence of the hidden terminal problem are exchanged between the access point (12) and terminals (131 to 133, 141 to 142) on a per-group basis, whereby overhead is reduced and the reduction in throughput is minimized.
    • 提供了一种无线接入系统,其防止隐藏终端问题的发生并且最小化吞吐量的降低。 在无线接入系统中,接入点(12)将终端分成组,使得一组中的终端不能识别从另一组中的终端发送的无线电波,并且以每组为基础与终端进行通信。 由此,无线接入系统避免了隐藏终端问题的发生。 用于避免隐藏终端问题发生的RTS / CTS分组在每组基础上在接入点(12)和终端(131至133,141至142)之间交换,从而降低开销并减少吞吐量 被最小化。
    • 10. 发明授权
    • Wireless access system
    • 无线接入系统
    • US07440432B2
    • 2008-10-21
    • US10546729
    • 2004-12-03
    • Tsutomu NiihoKouichi Masuda
    • Tsutomu NiihoKouichi Masuda
    • H04Q7/24
    • H04W72/121H04W74/0816H04W88/085
    • A wireless access system is provided which prevents the occurrence of a hidden terminal problem and minimizes the reduction in throughput. In the wireless access system, an access point divides terminals into groups such that terminals in one group cannot recognize radio waves sent from terminals in another group, and performs communication with the terminals on a per-group basis. By this, the wireless access system avoids the occurrence of the hidden terminal problem. RTS/CTS packets used to avoid the occurrence of the hidden terminal problem are exchanged between the access point and the terminals on a per-group basis, whereby overhead is reduced and the reduction in throughput is minimized.
    • 提供了一种无线接入系统,其防止隐藏终端问题的发生并且最小化吞吐量的降低。 在无线接入系统中,接入点将终端分成组,使得一组中的终端不能识别从另一组中的终端发送的无线电波,并且基于每个组进行与终端的通信。 由此,无线接入系统避免了隐藏终端问题的发生。 用于避免隐藏终端问题的发生的RTS / CTS分组在每个组的基础上在接入点和终端之间进行交换,由此降低开销并且最小化吞吐量的降低。