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    • 1. 发明申请
    • Optical transmission system
    • 光传输系统
    • US20050105900A1
    • 2005-05-19
    • US10958639
    • 2004-10-06
    • Takayuki AkimotoRyoji NoguchiKiichiro Shinokura
    • Takayuki AkimotoRyoji NoguchiKiichiro Shinokura
    • H04B10/07H04B10/077H04B10/079H04B17/00H04L1/00H04L29/14H04B10/08
    • H04B10/03H04B10/07H04B10/0775H04B2210/08
    • An optical transmission system which is capable of improving the stability of the system by appropriately adjusting a transmission data format and a transmitted optical output when a fault occurs on a transmission path, when a terminal is initiated, or when the transmission path is recovered from a fault. The optical transmission system comprises a first test signal supplying portion responsive to a detection of erroneous contents in a received signal received through the optical transmission path for supplying a test signal to the optical transmission path, a second test signal supplying portion responsive to a detection of a received signal received through the optical transmission path, which is equal to a test signal, and a communication stopping portion for stopping the transmission/reception of a signal through the optical transmission path when a frequency at which the erroneous contents are detected or a frequency at which the test signal is detected exceeds a predetermined threshold.
    • 一种光传输系统,其能够通过在终端被发起时在发送路径上发生故障时或者当传输路径从一个或多个传输路径恢复时适当地调整发送数据格式和发送的光输出来提高系统的稳定性 故障。 光传输系统包括:第一测试信号提供部分,响应于通过用于向光传输路径提供测试信号的光传输路径接收的接收信号中的错误内容的检测;第二测试信号提供部分, 通过光传输路径接收的等于测试信号的接收信号,以及通信停止部分,当检测到错误内容的频率或频率时停止通过光传输路径的信号的发送/接收 检测到测试信号超过预定阈值。
    • 2. 发明申请
    • INFORMATION CODE READING DEVICE AND READING METHOD, AND INFORMATION CODE DISPLAY READING SYSTEM
    • 信息代码读取装置和读取方法,以及信息代码显示读取系统
    • US20100170950A1
    • 2010-07-08
    • US12294677
    • 2007-03-27
    • Tomoaki IwaiManabu NoharaTakayuki AkimotoYusuke SogaRyoji Noguchi
    • Tomoaki IwaiManabu NoharaTakayuki AkimotoYusuke SogaRyoji Noguchi
    • G06K7/10
    • G06K9/32G06F3/0321G06F3/03545G06K7/10722G06K7/1095
    • It is an object to provide a reading apparatus of an information code, a reading method, and a display reading system of the information code, in which even if symbol areas serving as references when sampling a photograph image signal obtained by photographing a display screen are not provided in the information code, information code data representing the information code can be obtained from the photograph image signal. When reading the information code displayed on a display apparatus, first, an image signal obtained when all pixel cells of the display apparatus have emitted light is extracted as a first image signal from the photograph image signal obtained by photographing the display screen of the display apparatus. Further, an image signal obtained for a period of time during which the information code is displayed is extracted as a second image signal from the photograph image signal. By detecting a point of a center of gravity of the light emission of each of the pixel cells based on the first photograph image signal and sampling the second photograph image signal at the point of the center of gravity of the light emission, the information code data representing the information code is obtained.
    • 本发明的目的是提供一种信息码的读取装置,读取方法和显示读取系统,其中即使在对通过拍摄显示屏幕获得的照片图像信号进行采样时用作参考的符号区域是 不设置在信息码中,可以从照片图像信号中获得表示信息码的信息码数据。 当读取显示装置上显示的信息代码时,首先,从显示装置的显示屏幕拍摄得到的照片图像信号中提取当显示装置的所有像素单元发出光时获得的图像信号作为第一图像信号 。 此外,从照片图像信号中提取在其中显示信息码的一段时间中获得的图像信号作为第二图像信号。 通过基于第一照片图像信号检测每个像素单元的发光的重心点,并且在发光的重心点对第二照片图像信号进行采样,信息码数据 代表信息代码。
    • 3. 发明申请
    • TWO-DIMENSIONAL CODE PATTERN, TWO-DIMENSIONAL CODE PATTERN DISPLAY DEVICE, AND ITS READING DEVICE
    • 二维代码图案,二维代码图形显示装置及其读取装置
    • US20090207101A1
    • 2009-08-20
    • US12304940
    • 2007-06-15
    • Ryoji NoguchiManabu NoharaTakayuki AkimotoTomoaki IwaiYusuke Soga
    • Ryoji NoguchiManabu NoharaTakayuki AkimotoTomoaki IwaiYusuke Soga
    • G09G3/20
    • G06K19/06037G06F3/0321G06F3/03545Y10T428/24876
    • It is an object to provide a two-dimensional code pattern which can be precisely read out at a high speed, a two-dimensional code pattern display device, and its reading device.A two-dimensional code pattern according to the invention includes: a boundary pattern in which each of pixels arranged in an endmost column and each of pixels arranged in an endmost row in a block of pixels arranged in N columns×M rows are all set into a turn-on state or a turn-off state; a rotation detection pattern in which each pixel belonging to a predetermined second pixel group in each block is set into the turn-on state or the turn-off state by a light emitting pattern which can detect a rotational angle upon reading of the block; and an information pattern in which both of each pixel belonging to a first quadrant region in the block and each pixel belonging to a third quadrant region are set into the turn-on state or the turn-off state according to first information data and both of each pixel belonging to a second quadrant region and each pixel belonging to a fourth quadrant region are set into the turn-on state or the turn-off state according to second information data. When the two-dimensional code patterns are read out of a display screen or sheet surface on which the plurality of two-dimensional code patterns have been formed in a matrix form, first, the display screen or printed matter is photographed every photographing range corresponding to the block, thereby obtaining a photograph image signal. Subsequently, a point at which the boundary patterns cross each other is detected as a block reference point from the photograph image signal. The first and second information data are respectively extracted on the basis of the turn-on state and the turn-off state of each pixel belonging to a region corresponding to an existing position of the block reference point in the photographing range.
    • 本发明的目的是提供可以高速精确读出的二维码图案,二维码型显示装置及其读取装置。 根据本发明的二维码图案包括:边界图案,其中布置在最左列中的每个像素和排列在排列成N列×M行的像素块中的最末行中的每个像素都被设置成转弯 - 状态或关闭状态; 旋转检测图案,其中属于每个块中的预定第二像素组的每个像素通过能够在读取该块时检测旋转角度的发光图案被设置为导通状态或关断状态; 以及信息图案,其中属于块中的第一象限区域的每个像素和属于第三象限区域的每个像素的信号模式根据第一信息数据被设置为导通状态或关断状态,并且两者 属于第二象限区域的每个像素和属于第四象限区域的每个像素根据第二信息数据被设置为导通状态或关断状态。 当从以矩阵形式形成多个二维码图形的显示屏幕或纸张表面读出二维码图形时,首先,对应于 从而获得照片图像信号。 随后,从照片图像信号中检测出边界图案彼此交叉的点作为块参考点。 基于属于与拍摄范围中的块参考点的现有位置相对应的区域的每个像素的打开状态和关闭状态,分别提取第一和第二信息数据。
    • 5. 发明申请
    • Signal transmitting and receiving device and signal transmitting and receiving method
    • 信号发射和接收装置和信号发射和接收方法
    • US20060115009A1
    • 2006-06-01
    • US11283680
    • 2005-11-22
    • Ryoji NoguchiYusuke SogaTakayuki AkimotoTomoaki Iwai
    • Ryoji NoguchiYusuke SogaTakayuki AkimotoTomoaki Iwai
    • H04L27/00
    • G06F1/3218H04B7/155H04W24/00H04W52/0229H04W52/0238H04W52/287H04W52/46H04W88/04Y02D70/446
    • A signal transmitting and receiving device and a signal transmitting and receiving method which can reduce power consumption in a terminal device in a standby state in an optical and electric communication system. The signal transmitting and receiving device is for transmitting and receiving an information signal through a predetermined transfer path between terminal devices each of which transmits and receives the information signal while controlling an operation thereof in a self-sustaining manner based on an internally-generated signal. The signal transmitting and receiving device includes: a signal relaying part for relaying the information signal between each of the terminal devices and the transfer path; a device-state detecting part for generating a state indication signal indicating a state of the terminal device based on the internally-generated signal; and a power controlling part for controlling power supply to the signal relaying part based on the state indication signal. The internally-generated signal may include a standby signal and a clock signal in the terminal device.
    • 一种信号发送和接收装置和信号发送和接收方法,其可以在光和电通信系统中降低处于待机状态的终端设备的功耗。 信号发送和接收装置用于通过终端设备之间的预定传输路径发送和接收信息信号,每个终端设备在基于内部产生的信号以自维持方式控制其操作的同时发送和接收信息信号。 信号发送和接收装置包括:用于在每个终端设备和传送路径之间中继信息信号的信号中继部分; 设备状态检测部分,用于基于内部产生的信号产生指示终端设备的状态的状态指示信号; 以及功率控制部,其基于所述状态指示信号来控制对所述信号中继部的电力供给。 内部产生的信号可以包括终端设备中的备用信号和时钟信号。
    • 7. 发明申请
    • INPUT SYSTEM AND METHOD, AND COMPUTER PROGRAM
    • 输入系统和方法以及计算机程序
    • US20100085333A1
    • 2010-04-08
    • US12524090
    • 2007-01-30
    • Takayuki AkimotoManabu NoharaTomoaki IwaiYusuke SogaRyoji Noguchi
    • Takayuki AkimotoManabu NoharaTomoaki IwaiYusuke SogaRyoji Noguchi
    • G06F3/033G06F3/038
    • G06F3/03545G06F3/0321G06K9/222G06K2009/226
    • An input system (1) comprise: a display (11) for displaying an image including coordinate information on the display surface; a plurality of indicators (12) having (i) a detecting means for detecting the image displayed on the display surface, and (ii) a transmitting means for transmitting transmission information generated according to the coordinate information contained in the detected image; and a controller (13) having (i) a receiving means for receiving the transmission information, (ii) a generating means for generating drawing information indicating the path along which each of the indicators moves on the display surface according to the transmission information, and (iii) a control means for controlling the display so as to perform the drawing processing corresponding to the drawing information generated by the generating means. The display displays an image by emitting a plurality of pulses and displays the coordinate information by using part of the pulses.
    • 输入系统(1)包括:显示器(11),用于在显示表面上显示包括坐标信息的图像; 多个指示器(12),具有:(i)检测装置,用于检测在显示面上显示的图像;以及(ii)发送装置,用于发送根据包含在检测图像中的坐标信息生成的发送信息; 以及控制器(13),具有(i)接收所述发送信息的接收装置,(ii)生成装置,用于根据所述发送信息,生成表示各显示器在所述显示面上移动的路径的图形信息,以及 (iii)控制装置,用于控制显示器,以便执行与由生成装置生成的绘图信息相对应的绘图处理。 显示器通过发出多个脉冲来显示图像,并通过使用部分脉冲显示坐标信息。