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    • 1. 发明授权
    • Method for accepting sign-up applications from applicants who desire to utilize wireless communication services
    • 接受申请人申请人使用无线通信服务的方式
    • US07120466B2
    • 2006-10-10
    • US10472354
    • 2002-03-20
    • Noboru MatsumotoTadashi AizawaHiroshi Wada
    • Noboru MatsumotoTadashi AizawaHiroshi Wada
    • H04M1/00
    • H04W16/18G06Q30/02G06Q30/06
    • When a user inputs necessary details on a user's decision screen and transmits the inputted details (Step S3), an acceptance server 12 reads an address list from an address DB 21 and then transmits the address list to the user (Step S4). When the user selects an address from the address list and transmits the selected address, an area decision server 13 retrieves and reads a map of the surrounding of the selected address from a map DB 23 and transmits the map to the user (Step S6). The user then inputs the numbers of stories of a building where the user desires to utilize the wireless communication service and the direction of an antenna based on the map of the surrounding, and transmits those inputted particulars (Step S7). The area decision server 13 reads base station information from a base station DB 24 and calculates the transmission characteristic between two points, namely the antenna and the base station, to decide whether communication between the two points is executable or not. If it is decided that the communication is executable, the sign-up application is accepted.
    • 当用户在用户决定屏幕上输入必要的细节并发送输入的细节时(步骤S 3),接受服务器12从地址DB21读取地址列表,然后将该地址列表发送给用户(步骤S4)。 当用户从地址列表中选择地址并发送所选择的地址时,区域判定服务器13从地图DB 23检索并读取所选地址的周围的地图,并将该地图发送给用户(步骤S6) 。 然后,用户输入用户希望利用无线通信服务的建筑物的故事数量和基于周围的地图的天线的方向,并发送这些输入的细节(步骤S7)。 区域判定服务器13从基站DB24读取基站信息,并计算两点(即天线和基站)之间的传输特性,以决定两点之间的通信是否可执行。 如果确定通信是可执行的,则注册申请被接受。
    • 5. 发明申请
    • FREQUENCY CONVERSION CIRCUIT, FREQUENCY CONVERSION METHOD, AND ELECTRONIC APPARATUS
    • 频率转换电路,频率转换方法和电子设备
    • US20110292290A1
    • 2011-12-01
    • US13115038
    • 2011-05-24
    • Tadashi Aizawa
    • Tadashi Aizawa
    • H04N5/21
    • H03D7/165
    • A frequency conversion circuit includes: a phase shifter that generates a first signal and a second signal having a phase difference of 90 degrees from the first signal; a first mixer that multiplies the first signal by a local oscillation signal; a second mixer that multiplies the second signal by the local oscillation signal; a first filter that extracts a signal component of an intermediate frequency from the output signal of the first mixer; a second filter that extracts a signal component of the intermediate frequency from the output signal of the second mixer; an image signal remover that removes an image signal from the output signals of the first and second filters; and a phase shift quantity adjuster that adjusts a phase shift quantity of the signal in the phase shifter based on the output signal of the image signal remover at a predetermined time.
    • 频率转换电路包括:移相器,其产生与第一信号相差90度的第一信号和第二信号; 第一混频器,将第一信号乘以本地振荡信号; 第二混频器,将第二信号乘以本地振荡信号; 第一滤波器,从第一混频器的输出信号中提取中频信号分量; 第二滤波器,从第二混频器的输出信号中提取中频信号分量; 图像信号去除器,其从第一和第二滤波器的输出信号中去除图像信号; 以及相移量调整器,其基于在预定时间的图像信号去除器的输出信号来调整移相器中的信号的相移量。
    • 6. 发明授权
    • Similar word discrimination method and its apparatus
    • 类似词辨识方法及其装置
    • US6038531A
    • 2000-03-14
    • US10621
    • 1998-01-22
    • Yasunaga MiyazawaHiroshi HasegawaMitsuhiro InazumiTadashi Aizawa
    • Yasunaga MiyazawaHiroshi HasegawaMitsuhiro InazumiTadashi Aizawa
    • G10L15/16G10L9/06
    • G10L15/16
    • A method is provided which performs word recognition using the dynamic recurrent neural networks (DRNN) model and which is able to discriminate, with high precision, similar words for which misrecognition often occurs. When the vocal sounds of some words are input, the DRNN output corresponding to the input word vocal data is generated by the word detection signal output component using the DRNN word model and encoded into coded data by using a code book. When the DRNN output from the word detection signal output component has a correctness of a predetermined or greater level, a processor establishes a fixed period that includes the characteristic components of the input words in the DRNN output. The processor then examines the code data in the established fixed period. Discrimination of input words and words that are similar to the input words is accomplished on the basis of the examination results.
    • 提供了一种使用动态循环神经网络(DRNN)模型执行字识别的方法,其能够以高精度区分经常发生错误识别的相似词。 当输入一些单词的声音时,使用DRNN字模型,通过字检测信号输出分量产生对应于输入字语音数据的DRNN输出,并通过使用码本编码成编码数据。 当来自字检测信号输出分量的DRNN输出具有预定或更高电平的正确性时,处理器建立包括DRNN输出中的输入字的特征分量的固定周期。 然后,处理器在建立的固定时间段内检查代码数据。 根据检查结果,对与输入单词相似的输入单词和单词进行歧视。