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    • 3. 发明授权
    • Rake combining circuit and rake combining method
    • 耙组合电路和耙组合方法
    • US07167455B2
    • 2007-01-23
    • US10240115
    • 2001-12-20
    • Hisashi Kondo
    • Hisashi Kondo
    • H04B7/216H04Q7/28H04B7/208H04B1/00
    • H04B1/707H04B1/712H04B2201/70701
    • Not only an instantaneous pilot symbol value resulting from correcting a phase of one demodulated pilot symbol in response to phase deviation of the one pilot symbol but also a pilot symbol value resulting from correcting a phase of the same pilot symbol corresponding to the instantaneous pilot symbol value in response to averaged phase deviation of a plurality of demodulated receive pilot symbols is calculated. Further, weight factors are generated on the basis of a difference between the instantaneous pilot symbol value and the pilot symbol value, and the respective demodulated receive data is weighted by using the weight factors to combine the receive data.
    • 不仅是响应于一个导频符号的相位偏差校正一个解调导频符号的相位而产生的瞬时导频符号值,而且还是由对应于瞬时导频符号值的相同导频符号的相位校正而导致的导频符号值 响应于多个解调的接收导频符号的平均相位偏差来计算。 此外,基于瞬时导频符号值和导频符号值之间的差异生成加权因子,并且通过使用加权因子对相应的解调的接收数据进行加权,以组合接收数据。
    • 6. 发明授权
    • Selective calling radio-receiver and method of receiving selective calling radio signal
    • 选择性呼叫无线电接收机和接收选择呼叫无线电信号的方法
    • US06292655B1
    • 2001-09-18
    • US09320539
    • 1999-05-27
    • Hisashi Kondo
    • Hisashi Kondo
    • H04Q700
    • H04W88/023
    • There is provided a selective calling radio-receiver including (a) a demodulator demodulating a received selective calling radio signal, (b) a waveform-shaper shaping waveform of a demodulation signal transmitted from the demodulator, (c) a data-receiving signal generator generating a data-receiving signal which is in synchronization with the modulation signal having a waveform having been shaped by the waveform-shaper, and which has a plurality of pulses per a symbol term, (d) a data-receiver receiving the demodulation signal at every pulse of the data-receiving signal, (e) a sign discriminator discriminating a sign of received data at every symbol, based on data having been received in the data-receiver, and (f) a processor processing the received data a sign of which has been discriminated by the sign discriminator. The selective calling radio receiver ensures receiving a signal without an error even in an overlapping area where selective calling radio signals transmitted from a plurality of base stations overlap one another in a common service area.
    • 提供一种选呼接收机,包括:(a)解调接收的选呼信号的解调器,(b)从解调器发送的解调信号的波形整形波形,(c)数据接收信号发生器 产生数据接收信号,该数据接收信号与具有由波形整形器成形的波形的调制信号同步,并且每个符号项具有多个脉冲,(d)数据接收器接收解调信号 数据接收信号的每个脉冲,(e)基于在数据接收器中接收到的数据的每个符号识别接收数据的符号的符号鉴别器,以及(f)处理器接收数据的符号 这已被符号鉴别器区分开来。 选择呼叫无线电接收机确保即使在从多个基站发送的选择呼叫无线电信号在公共服务区域中彼此重叠的重叠区域中也不会有错误地接收信号。
    • 7. 发明授权
    • Radio selective call receiver
    • 无线电选呼接收机
    • US5907289A
    • 1999-05-25
    • US891390
    • 1997-07-11
    • Hisashi Kondo
    • Hisashi Kondo
    • G08B5/22H04B7/26H04J3/06H04W88/02
    • H04W88/022G08B5/229H04J3/0685
    • A radio selective call receiver includes an instruction input device which produces an analog input signal and a radio receiver which receives a radio signal and demodulating it to produce an analog demodulated signal whose amplitude varies in a symbol period. A selector selects one of the analog input signal and the analog demodulated signal and is connected to an A-D converter. The A-D converter is shared between the analog demodulated signal and the analog input signal. An A-D conversion of the analog demodulated signal is performed at intervals synchronizing with the analog demodulated signal. An A-D conversion of the analog input signal is performed within a time period during which the analog-to-digital conversion of the analog demodulated signal is not performed.
    • 无线电选呼接收机包括产生模拟输入信号的指令输入装置和接收无线电信号并进行解调的无线电接收机,以产生在符号周期内振幅变化的模拟解调信号。 选择器选择模拟输入信号和模拟解调信号之一,并连接到A-D转换器。 A-D转换器在模拟解调信号和模拟输入信号之间共享。 以与模拟解调信号同步的间隔进行模拟解调信号的A-D转换。 在不执行模拟解调信号的模数转换的时间段内进行模拟输入信号的A-D转换。
    • 9. 发明授权
    • Paging receiver with message dividing function
    • 寻呼接收机具有消息分割功能
    • US6028530A
    • 2000-02-22
    • US933123
    • 1997-09-18
    • Hisashi Kondo
    • Hisashi Kondo
    • H04Q7/14G08B5/22
    • G08B5/227
    • A paging receiver has a function setting memory for storing message division information to divide a message contained in a received message signal into a plurality of messages, and a message processor for dividing the message into a plurality of messages according to the message division information, storing the messages in a message memory, and displaying the messages on a display unit. The paging receiver allows the user to reliably and quickly confirm a long message in the same period of time and with the same operation as when shorter messages divided from the long message and stored in the message memory are confirmed.
    • 寻呼接收机具有功能设置存储器,用于存储消息分割信息,以将接收到的消息信号中包含的消息划分成多个消息;以及消息处理器,用于根据消息分割信息将消息分成多个消息,存储 消息存储器中的消息,并在显示单元上显示消息。 寻呼接收机允许用户在同一时间段内可靠且快速地确认长消息,并且具有与从长消息划分的较短消息并存储在消息存储器中的较短消息相同的操作。