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    • 73. 发明申请
    • EVENT DETECTING APPARATUS
    • 活动检测装置
    • US20100164780A1
    • 2010-07-01
    • US12449964
    • 2008-02-29
    • Tomoaki OhtsukiHiroyuki TsujiShouhei Ikeda
    • Tomoaki OhtsukiHiroyuki TsujiShouhei Ikeda
    • G01S13/04H04B7/04
    • H04B7/0413G01S13/0209G01S13/56G01S13/886
    • An event detecting apparatus capable of high-precision detection of an event even by use of a narrow-band signal comprises: a plurality of antennas 21 that receive radio waves transmitted from a transmitter, a correlation matrix operation unit 22 that expresses signals received by the plurality of antennas 21 as received vectors, to operate a correlation matrix on the basis of the received vectors, an eigenvector operation unit 23 that performs eigenvalue expansion of the correlation matrix operated by the correlation matrix operation unit 22, to operate eigenvectors covering a signal subspace, and an event detecting unit 24 that detects a temporal change in the eigenvectors operated by the eigenvector operation unit 23, to detect an event.
    • 即使通过使用窄带信号也能够对事件进行高精度检测的事件检测装置包括:接收从发送器发送的无线电波的多个天线21,相关矩阵运算部22,其表示由 多个天线21作为接收向量,基于接收到的向量来操作相关矩阵;特征向量运算单元23,执行由相关矩阵运算单元22操作的相关矩阵的特征值扩展,以操作覆盖信号子空间的特征向量 以及事件检测单元24,其检测由特征向量运算单元23操作的特征向量的时间变化,以检测事件。
    • 74. 发明授权
    • Image forming apparatus in which reading of image data stored in a delay memory is controlled based on pixel counts of a page stored in a length holding unit
    • 基于存储在长度保持单元中的页面的像素数量来控制存储在延迟存储器中的图像数据的读取的图像形成装置
    • US07593131B2
    • 2009-09-22
    • US11672255
    • 2007-02-07
    • Hiroyuki Tsuji
    • Hiroyuki Tsuji
    • G06K15/00B41J2/435
    • H04N1/506
    • An image forming apparatus including plural image forming units arranged for respective color components at predetermined intervals. A transportation unit transports a recording medium to the plural image forming units. A delay memory delays sending of image data for a time required to transport the recording medium between the plural image forming units. A length holding unit stores, for each page, plural pixel counts, the pixel counts representing respective numbers of pixels in rows of pixels spaced in the sub-scan directions, which pixels represent the image data for image formation. A reading control unit controls reading of the image data stored in the delay memory on the basis of the pixel counts of each page stored in the length holding unit.
    • 一种图像形成装置,包括以预定间隔布置用于各个颜色分量的多个图像形成单元。 传送单元将记录介质传送到多个图像形成单元。 延迟存储器延迟在多个图像形成单元之间传送记录介质所需的时间的图像数据的发送。 长度保持单元对于每一页存储多个像素数,像素计数表示副扫描方向间隔开的像素行的像素数,哪个像素表示用于图像形成的图像数据。 读取控制单元基于存储在长度保持单元中的每个页面的像素计数来控制对延迟存储器中存储的图像数据的读取。
    • 77. 发明授权
    • Radio communicate method and system
    • 无线电通信方式和系统
    • US07292831B2
    • 2007-11-06
    • US10508488
    • 2003-01-09
    • Yozo ShojiKiyoshi HamaguchiHiroyuki TsujiHiroyo Ogawa
    • Yozo ShojiKiyoshi HamaguchiHiroyuki TsujiHiroyo Ogawa
    • H04B1/18H01Q9/00H01Q21/08G01S5/02G01S5/04
    • H01Q1/2208H01Q1/22H01Q21/08H01Q23/00
    • A transmitter 1 transmits from a transmission antenna 7 a mixture signal containing a radio-frequency (RF)-band modulated signal, and a portion of power of a local oscillation signal used for frequency conversion. Meanwhile, a receiver 8 detects the transmitted signal by means of a reception antenna-detection section 9. In the reception antenna-detection section 9, a plurality of base unit reception circuits 11 are disposed. Each base unit reception circuit 11 includes a planar printed antenna 12 such as a patch antenna, an amplifier circuit 13 formed on a very small planar circuit by means of an MMIC technique, and a mixer circuit 14 serving as a square-law detector. Respective outputs of the base unit reception circuits 11 are power-mixed and fed to the IF signal demodulation section. The IF signal demodulation section 10 demodulate reception data. This configuration enables realization of a reception antenna which occupies a very small space, has a detection function and a high gain, and has a wide beam characteristic comparable to that of a single-element antenna.
    • 发送器1从发送天线7发送包含射频(RF)带调制信号和用于频率转换的本地振荡信号的一部分功率的混合信号。 同时,接收机8通过接收天线检测部分9检测发射信号。 在接收天线检测部9中设置有多个基本单元接收电路11。 每个基本单元接收电路11包括平面印刷天线12,例如贴片天线,通过MMIC技术形成在非常小的平面电路上的放大器电路13,以及用作平方律检测器的混频器电路14。 基本单元接收电路11的各个输出被电力混合并馈送到IF信号解调部分。 IF信号解调单元10对接收数据进行解调。 该配置能够实现占用非常小的空间,具有检测功能和高增益的接收天线,并且具有与单元件天线相当的宽光束特性。