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    • 21. 发明授权
    • Time information acquisition apparatus and radio wave timepiece
    • 时间信息采集装置和无线电波表
    • US08446800B2
    • 2013-05-21
    • US13086484
    • 2011-04-14
    • Hideo Abe
    • Hideo Abe
    • G04C11/02
    • G04R20/10
    • A time information acquisition apparatus comprises an input waveform data pattern generator configured to sample a standard time radio wave signal in order to generate an input waveform data pattern, a predicted waveform data pattern generator configured to generate predicted waveform data patterns, represents a string of codes based on a base time, and has a head position, an error detector configured to detect non-coincidence between the input waveform data pattern and each of the predicted waveform data patterns in order to acquire a number of errors indicative of a number of non-coincidences, a current time correction module configured to correct the base time based on the predicted waveform data pattern indicative of a minimum value of the number of errors, and a controller configured to determine the number of predicted waveform data patterns to be generated.
    • 时间信息获取装置包括被配置为对标准时间无线电波信号进行采样以便生成输入波形数据模式的输入波形数据模式发生器,被配置为生成预测波形数据模式的预测波形数据模式发生器代表一串代码 基于基准时间,并且具有头部位置,误差检测器,被配置为检测输入波形数据模式与每个预测波形数据模式之间的不一致,以便获取指示非数字的数量的错误数量, 当前时间校正模块被配置为基于表示错误数量的最小值的预测波形数据模式来校正基准时间;以及控制器,被配置为确定要生成的预测波形数据模式的数量。
    • 22. 发明授权
    • Time information receiver, radio wave timepiece and storage medium having program stored therein
    • 时间信息接收机,无线电波表和存储有程序的存储介质
    • US08391422B2
    • 2013-03-05
    • US12652192
    • 2010-01-05
    • Keiichi NomuraHideo Abe
    • Keiichi NomuraHideo Abe
    • H04L27/08
    • G04R20/10
    • A time information receiver including a reception unit for receiving and demodulating a standard radio wave containing a time code in which data pulses are arranged at a predetermined period; an analyzer for analyzing the time code from a demodulated signal obtained by demodulating the standard radio wave; a time-shift adder for executing an addition processing of adding a pulse waveform of the demodulated signal and a pulse waveform of a signal obtained by shifting the demodulated signal by a predetermined time; and a judger for judging a code type of the time code contained in the received standard radio wave on the basis of a addition result of the time-shift adder.
    • 一种时间信息接收机,包括:接收单元,用于接收和解调包含数据脉冲以预定周期排列的时间码的标准无线电波; 分析器,用于从通过解调标准无线电波获得的解调信号中分析时间码; 时移加法器,用于执行将解调信号的脉冲波形相加的相加处理和通过将解调信号移位预定时间而获得的信号的脉冲波形; 以及用于根据时移加法器的相加结果来判断包含在接收的标准无线电波中的时间码的代码类型的判断器。
    • 23. 发明授权
    • Time information-acquiring apparatus and radio wave timepiece
    • 时间信息获取装置和无线电波表
    • US08379490B2
    • 2013-02-19
    • US12892021
    • 2010-09-28
    • Hideo AbeKeiichi Nomura
    • Hideo AbeKeiichi Nomura
    • G04C11/02
    • G04R20/10
    • A time information-acquiring apparatus comprises a receiver receiving a standard time radio wave, an input waveform generator sampling a signal output from the receiver and to generating input waveform data with one or more unit time lengths, the input waveform data at each sampling point having a first value indicating a low level or a second value, the input waveform data within a first characteristic section having a predetermined value unique to codes forming a time code included in the standard time radio wave, an accumulator accumulating the value of the input waveform data during the first characteristic section, a calculator multiplying the accumulated value by characteristic values, and calculating correlation values between the input waveform data and the codes based on multiplied values.
    • 时间信息获取装置包括接收标准时间无线电波的接收机,对从接收机输出的信号进行采样并输出一个或多个单位时间长度的输入波形数据的输入波形发生器,每个采样点的输入波形数据具有 指示低电平或第二值的第一值,第一特征部分内的输入波形数据具有对形成包括在标准时间无线电波中的时间码的代码唯一的预定值;累加器,累加输入波形数据的值 在第一特征部分期间,计算器将累积值乘以特征值,并且基于相乘值计算输入波形数据和代码之间的相关值。
    • 24. 发明授权
    • Time information-acquiring apparatus and radio wave timepiece
    • 时间信息获取装置和无线电波表
    • US08264915B2
    • 2012-09-11
    • US12888678
    • 2010-09-23
    • Hideo AbeKeiichi Nomura
    • Hideo AbeKeiichi Nomura
    • G04C11/02
    • G04R20/10
    • A time information-acquiring apparatus comprises an input waveform generator which generates an input waveform, a predicted waveform generator which generates plural phase-shifted predicted waveforms, a correlation calculator which calculates a positive correlation based on a first value of the input waveform and a first value of the predicted waveform or a second value of the input waveform and a second value of the predicted waveform, and calculates a negative correlation based on the first value of the input waveform and the second value of the predicted waveform or the second value of the input waveform and the first value of the predicted waveform, a comparator which compares the correlation values to detect an optimal value, and a controller which detects a head position of a second based on a predicted waveform related to the optimal value.
    • 时间信息获取装置包括产生输入波形的输入波形发生器,产生多个相移预测波形的预测波形发生器,基于输入波形的第一值计算正相关的相关计算器和第一 预测波形的值或输入波形的第二值和预测波形的第二值,并且基于输入波形的第一值和预测波形的第二值或者预测波形的第二值来计算负相关 输入波形和预测波形的第一值,将相关值进行比较以检测最佳值的比较器,以及基于与最优值相关的预测波形来检测第二个头部位置的控制器。
    • 25. 发明授权
    • Jitter correction method and circuit
    • 抖动校正方法和电路
    • US08000429B2
    • 2011-08-16
    • US11520609
    • 2006-09-14
    • Hideo AbeYuji ObanaHideaki Mochizuki
    • Hideo AbeYuji ObanaHideaki Mochizuki
    • H04L7/00
    • H04L7/0008H04L1/205
    • In a jitter correction method and circuit, combination data combined by adding, to referenced data, an end bit of data 1 clock prior to and a head bit of data 1 clock subsequent to the referenced data is sequentially generated. Each bit of the combination data is sequentially referred. When a change between a referenced bit and a bit directly adjoining the referenced bit is detected, and when a number of references reaches a multiplication number of the oversampling and a change between at least three adjoining bits including the referenced bit is not detected, change position display data regarding the directly adjoining bit as a change bit of the referenced data is generated and the number of references is initialized. When the change is not detected and the number of references does not reach the multiplication number, the number of references is incremented. All the change bits are extracted from the referenced data and the change position display data, and a data reproduction is performed corresponding to the multiplication number.
    • 在抖动校正方法和电路中,通过将参考数据的1位时钟之后的数据的结束位和参考数据后的数据1个时钟的头位相加,结合数据组合数据。 顺序地参考组合数据的每一位。 当检测到参考位和与参考位直接相邻的位之间的变化时,并且当参考数量达到过采样的乘数并且未检测到包括参考位的至少三个相邻位之间的变化时,改变位置 生成关于直接相邻位的显示数据作为参考数据的改变位,并且引用的数量被初始化。 当未检测到变化,引用次数未达到乘数时,引用次数增加。 从参考数据和改变位置显示数据中提取所有改变位,并且对应于乘数执行数据再现。
    • 26. 发明授权
    • Time information obtaining apparatus and radio timepiece
    • 时间信息获取装置和无线电时计
    • US07929381B2
    • 2011-04-19
    • US12498609
    • 2009-07-07
    • Hideo Abe
    • Hideo Abe
    • G04C11/02
    • G04R20/10
    • A signal composing circuit 12 receives a signal including a time code from a receiving circuit 10, and detects input waveform data of a unit time length, whose value at ach sampling point is given by a value expressed in plural bits. The input waveform data is accumulated. CPU 13 calculates a minimum position on a time axis, where the minimum value of the accumulated input waveform data is given and a maximum gradient position on the time axis, where a difference between values of the accumulated input waveform data at adjacent sampling points is maximum, and further calculates a leading position of a unit time length of the signal including the time code.
    • 信号合成电路12接收包括来自接收电路10的时间码的信号,并且检测单位时间长度的输入波形数据,其单位时间长度的值是以多位表示的值给出的。 输入波形数据被累加。 CPU13计算给定累计输入波形数据的最小值的时间轴上的最小位置和时间轴上的最大梯度位置,其中相邻采样点的累积输入波形数据的值之间的差最大 并且还计算包括时间码的信号的单位时间长度的前导位置。
    • 27. 发明申请
    • RADIO WAVE RECEIVER
    • 无线电接收器
    • US20100311370A1
    • 2010-12-09
    • US12777400
    • 2010-05-11
    • Kazuaki ABEHideo Abe
    • Kazuaki ABEHideo Abe
    • H04B1/18
    • H03J3/20H03J7/04H03J2200/06H03J2200/10H04B1/18
    • Disclosed is a radio wave receiver including an antenna to receive a radio wave, a tuning unit to switch a frequency characteristic of the antenna in a stepwise fashion, an oscillation unit to oscillate the antenna and a circuit section of the tuning unit, a receiving process unit to carry out a signal process by extracting a signal of a desired wave among received signals which are received from the antenna, a search control unit in which the oscillation unit is made to generate an oscillation signal at the circuit section and in which the oscillation signal searches a setting condition of the tuning unit which is extracted in the receiving process unit by switching a setting of the tuning unit and a search range deciding unit to selectively decide an adjustable range in which the switching of the setting of the tuning unit is carried out by the search control unit so as to be a specific adjustable range which is a portion of an entire adjustable range of the tuning unit corresponding to a frequency of the desired wave.
    • 公开了一种包括接收无线电波的天线的无线电波接收机,以逐步方式切换天线的频率特性的调谐单元,振荡天线的振荡单元和调谐单元的电路部分,接收处理 单元,通过从从天线接收的接收信号中提取期望波的信号来执行信号处理;搜索控制单元,其中使振荡单元在电路部分产生振荡信号,并且其中振荡 信号通过切换调谐单元和搜索范围决定单元的设置来搜索在接收处理单元中提取的调谐单元的设置条件,以选择性地确定调节单元的设置的切换被传送的可调节范围 由搜索控制单元输出,作为对应的调谐单元的整个可调整范围的一部分的特定可调整范围 到所需波的频率。