公开(公告)号：US07630460B2

公开(公告)日：2009-12-08

申请号：US11569133

申请日：2006-03-08

申请人： Masahiro Mimura ,  Kazuaki Takahashi ,  Suguru Fujita ,  Yoshinori Kunieda ,  Noriyuki Ueki

发明人： Masahiro Mimura ,  Kazuaki Takahashi ,  Suguru Fujita ,  Yoshinori Kunieda ,  Noriyuki Ueki

IPC分类号： H04L27/06

CPC分类号： H04B1/7183 ,  H04B1/7163

摘要： An impulse radio communication device includes a wave detector for generating a detected signal, a switching section for selecting either a received signal or the detected signal in accordance with an external control signal and outputting it as a demodulation target signal, a reference waveform generating section synchronized with the demodulation target signal and generating a reference waveform signal having a different waveform in accordance with the external control signal, a demodulator for generating a demodulated signal from the demodulation target signal in accordance with the reference waveform signal, and a decoding section for decoding received data from the demodulated signal. This impulse radio communication device switches the demodulation target signal and the reference waveform signal simultaneously in accordance with a receiving and synchronizing state. This makes it difficult that synchronization is pulled in a correlation position having low electric power, and can reduce a acquisition time.

摘要翻译： 脉冲无线电通信装置包括用于产生检测信号的波检测器，用于根据外部控制信号选择接收信号或检测信号并将其输出作为解调目标信号的切换部分，基准波形产生部分同步 利用解调对象信号，根据外部控制信号生成具有不同波形的参考波形信号;解调器，用于根据参考波形信号从解调目标信号产生解调信号;以及解码部分，用于解码接收 来自解调信号的数据。 该脉冲无线电通信装置根据接收和同步状态同时切换解调目标信号和参考波形信号。 这使得难以在具有低功率的相关位置中拉出同步，并且可以减少采集时间。

公开(公告)号：US07430199B2

公开(公告)日：2008-09-30

申请号：US10850339

申请日：2004-05-20

申请人： Suguru Fujita ,  Kazuaki Takahashi ,  Masahiro Mimura

发明人： Suguru Fujita ,  Kazuaki Takahashi ,  Masahiro Mimura

IPC分类号： H04J3/06

CPC分类号： H04B1/7183

摘要： Using an inputted transmission information signal, a synchronizing signal and a data signal are generated. The synchronizing signal is set at and outputted to a first frequency channel comprising at least one frequency channel. The data signal is set at a second frequency channel comprising at least one frequency channel. The first frequency channel and the second frequency channel use frequency channels different from each other. This provides the signal synchronizing information at a frequency channel separate from that of the data. A sufficient time can be assigned for synchronization, making it possible to swiftly demodulate the signal during data reception.

摘要翻译： 使用输入的传输信息信号，产生同步信号和数据信号。 同步信号被设置在包括至少一个频率信道的第一频率信道中并被输出。 数据信号被设置在包括至少一个频率信道的第二频道上。 第一频道和第二频道使用彼此不同的频道。 这提供了与数据分离的频道的信号同步信息。 可以分配足够的时间进行同步，使得可以在数据接收期间快速解调信号。

公开(公告)号：US20080232506A1

公开(公告)日：2008-09-25

申请号：US10599378

申请日：2005-03-15

申请人： Suguru Fujita ,  Kazuaki Takahashi ,  Masahiro Mimura

发明人： Suguru Fujita ,  Kazuaki Takahashi ,  Masahiro Mimura

IPC分类号： H04L27/00 ,  H03K9/00

CPC分类号： H04B1/7174 ,  G01S13/931 ,  H04B1/71632 ,  H04B1/71637 ,  H04B1/719

摘要： A transmitter using a plurality of pulse signals having different pulse sequence times, a receiver for steadily demodulating pulse signals of only desirable wave, and a wireless system are disclosed. In the transmitter, a control signal generating circuit outputs a control signal for generating a plurality of pulse signals having different pulse sequence generating times, a pulse generating circuit generates a plurality of pulse signals by using the control signal. In the receiver, reception front end receives the plurality of pulse signals having different pulse sequence generating times, delay circuit delays at least one of reception front-end output signals supplied from the reception front-end by a given time, delay pulse composition circuit combines delay signal with reception front-end output signal so that the receiver steadily demodulates the pulse signals of only the desirable wave.

摘要翻译： 公开了使用具有不同脉冲序列时间的多个脉冲信号的发射机，用于稳定地解调仅期望波的脉冲信号的接收机和无线系统。 在发送器中，控制信号发生电路输出用于产生具有不同脉冲序列产生时间的多个脉冲信号的控制信号，脉冲发生电路通过使用控制信号产生多个脉冲信号。 在接收机中，接收前端接收具有不同脉冲序列产生时间的多个脉冲信号，延迟电路将从接收前端提供的接收前端输出信号中的至少一个延迟给定时间，延迟脉冲合成电路组合 具有接收前端输出信号的延迟信号，使得接收机稳定地解调仅需要的波的脉冲信号。

公开(公告)号：US20070297487A1

公开(公告)日：2007-12-27

申请号：US11718570

申请日：2005-11-04

申请人： Masahiro Mimura ,  Kazuaki Takahashi ,  Suguru Fujita ,  Yoshinori Kunieda ,  Noriyuki Ueki

发明人： Masahiro Mimura ,  Kazuaki Takahashi ,  Suguru Fujita ,  Yoshinori Kunieda ,  Noriyuki Ueki

IPC分类号： H04B1/30

CPC分类号： H04B1/7174 ,  H03K7/04 ,  H04B1/71635 ,  H04B1/71637 ,  H04B1/7176 ,  H04L25/4902 ,  H04L27/0004

摘要： A communication system includes a modulating circuit to increase the amount of information to be transmitted, a transmitting apparatus capable of easily generating a desired waveform even for any very short wavelets, a receiving apparatus capable of easily separating wavelets even if the intervals thereof are narrow. The modulating circuit includes clock generating, transmission signal generating, control signal generating, delay and wavelet generating parts. The clock generating part generates a clock signal at predetermined time interval “Tp”. The transmission signal generating part generates a transmission signal at interval “Tp”. The control signal generating part outputs a control signal of a predetermined duration based on the clock signal. The delay part generates the control signal as a delay signal that has been delayed by a delay amount based on the transmission signal. The wavelet generating part generates a wavelet at the generation timing of the delay signal.

摘要翻译： 一种通信系统包括：调制电路，用于增加要发送的信息量;即使对于任何非常短的小波也能够容易地产生期望的波形的发送装置，即使其间隔窄也能够容易地分离小波的接收装置。 调制电路包括时钟产生，发送信号产生，控制信号产生，延迟和小波发生部分。 时钟产生部分以预定时间间隔“Tp”产生时钟信号。 发送信号生成部以间隔“Tp”生成发送信号。 控制信号产生部分基于时钟信号输出预定持续时间的控制信号。 延迟部分产生作为延迟信号的控制信号，该延迟信号已经基于发送信号被延迟延迟量。 小波生成部在延迟信号的产生定时产生小波。

公开(公告)号：US20100316043A1

公开(公告)日：2010-12-16

申请号：US12526248

申请日：2008-02-05

申请人： Hiroshi Doi ,  Taisuke Matsumoto ,  Suguru Fujita ,  Masahiro Mimura

发明人： Hiroshi Doi ,  Taisuke Matsumoto ,  Suguru Fujita ,  Masahiro Mimura

IPC分类号： H04J3/06

CPC分类号： H04L27/0006 ,  H04W74/0816 ,  H04W84/18 ,  Y02D70/144 ,  Y02D70/22

摘要： Provided is a radio communication method which can reduce the power consumption as compared to the conventional technique while realizing coexistence of a plurality of radio communication methods and can perform synchronization with a super frame of other radio communication device. The super frame has life confirmation slots (2820, 2830) through which radio communication devices of various modulation types should transmit tone signals. A radio communication device has a chance to judge whether one or more radio communication devices using a different modulation type exist or no such device exists in the vicinity. If no such device exists, the slot to be used by the radio communication device of the modulation method is reported as a time that can be used by a radio communication group of other modulation method. Thus, by confirming existence of an object in the vicinity by other radio communication device with which communication cannot be performed, communication can be performed by sharing the super frame.

摘要翻译： 提供一种无线电通信方法，其可以在实现多种无线电通信方法的共存的同时与现有技术相比降低功耗，并且可以与其他无线电通信装置的超帧执行同步。 超帧具有生命确认时隙（2820,2830），各种调制类型的无线电通信设备将通过该确认时隙发送音调信号。 无线电通信装置有机会判断是否存在使用不同调制类型的一个或多个无线通信装置，或者在附近不存在这种装置。 如果不存在这样的装置，则由调制方式的无线通信装置使用的时隙被报告为可以由其他调制方式的无线通信组使用的时间。 因此，通过确认不能进行通信的其他无线通信装置附近的对象的存在，可以通过共享超帧来进行通信。

公开(公告)号：US08320345B2

公开(公告)日：2012-11-27

申请号：US12526248

申请日：2008-02-05

申请人： Hiroshi Doi ,  Taisuke Matsumoto ,  Suguru Fujita ,  Masahiro Mimura

发明人： Hiroshi Doi ,  Taisuke Matsumoto ,  Suguru Fujita ,  Masahiro Mimura

IPC分类号： H04W4/00 ,  H04J3/06

CPC分类号： H04L27/0006 ,  H04W74/0816 ,  H04W84/18 ,  Y02D70/144 ,  Y02D70/22

摘要： Provided is a radio communication method which can reduce the power consumption as compared to the conventional technique while realizing coexistence of a plurality of radio communication methods and can perform synchronization with a super frame of other radio communication device. The super frame has life confirmation slots (2820, 2830) through which radio communication devices of various modulation types should transmit tone signals. A radio communication device has a chance to judge whether one or more radio communication devices using a different modulation type exist or no such device exists in the vicinity. If no such device exists, the slot to be used by the radio communication device of the modulation method is reported as a time that can be used by a radio communication group of other modulation method.Thus, by confirming existence of an object in the vicinity by other radio communication device with which communication cannot be performed, communication can be performed by sharing the super frame.

摘要翻译： 提供一种无线电通信方法，其可以在实现多种无线电通信方法的共存的同时与现有技术相比降低功耗，并且可以与其他无线电通信装置的超帧执行同步。 超帧具有生命确认时隙（2820,2830），各种调制类型的无线电通信设备将通过该确认时隙发送音调信号。 无线电通信装置有机会判断是否存在使用不同调制类型的一个或多个无线通信装置，或者在附近不存在这种装置。 如果不存在这样的装置，则由调制方式的无线通信装置使用的时隙被报告为可以由其他调制方式的无线通信组使用的时间。 因此，通过确认不能进行通信的其他无线通信装置附近的对象的存在，可以通过共享超帧来进行通信。

公开(公告)号：US5414736A

公开(公告)日：1995-05-09

申请号：US925673

申请日：1992-08-07

申请人： Makoto Hasegawa ,  Kazuaki Takahashi ,  Masahiro Mimura ,  Kazunori Watanabe ,  Katsushi Yokozaki ,  Hiroyuki Harada

发明人： Makoto Hasegawa ,  Kazuaki Takahashi ,  Masahiro Mimura ,  Kazunori Watanabe ,  Katsushi Yokozaki ,  Hiroyuki Harada

IPC分类号： H04L27/152 ,  H03D3/00

CPC分类号： H04L27/152

摘要： An FSK data receiving system is provided which is capable of constituting a direct-conversion receiver suitable for realizing an integrated circuit, is capable of decoding in a wide receiving band width, and is capable of realizing a small-sized and less-electric power consumption data receiving. An FSK-modulated local oscillator signal 3 is applied to a local oscillator 2, and there is provided a decode circuit 15 which obtains the decode signal 14 by judging whether the FSK-modulated frequency deviation of the carrier wave signal 1 is a positive deviation or a negative deviation on the basis of a comparison result of a voltage change in a frequency-voltage conversion circuit 16 for a base-band signal 8; i.e. the output signal of a frequency mixer 6. An offset amount of the local oscillator frequency is judged by a voltage judging circuit 17 to produce a control signal 18 Further, there is provided another decode circuit 22 which makes a judgement of frequency change of the base-band signal 8 and a judgement of in-phase/opposite-phase relationship from the decode signal 14 and the output of the voltage judging circuit 17 so as to obtain a decode signal 23. Moreover, there is provided a decode signal processing circuit 25 which obtains a decode signal 24 from the decode signals 14, 23 in response to the control signal 18.

摘要翻译： 提供一种FSK数据接收系统，其能够构成适合于实现集成电路的直接转换接收机，能够以宽的接收带宽进行解码，并且能够实现小型和小电力的功耗 数据接收。 FSK调制的本地振荡器信号3被施加到本地振荡器2，并且提供了解码电路15，其通过判断载波信号1的FSK调制的频率偏差是正偏差来获得解码信号14，或者 基于用于基带信号8的频率 - 电压转换电路16中的电压变化的比较结果的负偏差; 即混频器6的输出信号。本地振荡器频率的偏移量由电压判断电路17判定，以产生控制信号18。另外，还提供另一个解码电路22， 基带信号8和来自解码信号14和电压判断电路17的输出的同相/反相位关系的判断，以获得解码信号23.此外，提供了一种解码信号处理电路 25，其响应于控制信号18从解码信号14,23获得解码信号24。

公开(公告)号：US5293408A

公开(公告)日：1994-03-08

申请号：US942183

申请日：1992-09-09

申请人： Kazuaki Takahashi ,  Makoto Hasegawa ,  Katsushi Yokozaki ,  Yasumi Imagawa ,  Hiroyuki Harada ,  Masahiro Mimura ,  Yasuaki Namura

发明人： Kazuaki Takahashi ,  Makoto Hasegawa ,  Katsushi Yokozaki ,  Yasumi Imagawa ,  Hiroyuki Harada ,  Masahiro Mimura ,  Yasuaki Namura

IPC分类号： H04B1/30 ,  H04L27/152 ,  H04B1/10

CPC分类号： H04B1/30 ,  H04L27/152

摘要： A data receiving system comprising an I base-band signal and a Q base-band signal which are used in a quadrature demodulation operation. Zero-crossing points of respective base-band signals are detected and a control signal is generated in response to each zero-crossing point. A phase-shift switching circuit alternately selects either the I base-band signal or the Q base-band signal in response to the control signal to generate an I/Q base-band signal. And, a demodulation operation is executed on the basis of the I/Q signal.

摘要翻译： 一种数据接收系统，包括在正交解调操作中使用的I基带信号和Q基带信号。 检测各基带信号的过零点，并响应于每个过零点产生控制信号。 相移切换电路响应于控制信号交替地选择I基带信号或Q基带信号以产生I / Q基带信号。 并且，基于I / Q信号执行解调操作。

公开(公告)号：US08204279B2

公开(公告)日：2012-06-19

申请号：US13090577

申请日：2011-04-20

申请人： Kenta Takahashi ,  Shinji Hirata ,  Hideitsu Hino ,  Masahiro Mimura

发明人： Kenta Takahashi ,  Shinji Hirata ,  Hideitsu Hino ,  Masahiro Mimura

IPC分类号： G06K9/00

CPC分类号： G06K9/00885 ,  G06F21/32 ,  G06F2221/2107 ,  G06K2009/00953 ,  G07C9/00158 ,  G07C2209/12 ,  H04K1/00 ,  H04L9/3231 ,  H04L2209/805

摘要： A computer readable medium embodying a program to be executed by a terminal device used for a biometric authentication, the program including: an image generation code generating an enrolled image and a verification image from biometric information of a user collected at a sensor coupled to the terminal device; a filter generation code generating a random filter for scrambling the enrolled image and an inverse filter of the random filter; a transformation code transforming the enrolled image to a registration template by applying the random filter to the enrolled image and transforming the verification image to a filtered verification image by applying the inverse filter to the verification image; communication code transmitting the registration template and the filtered verification image to a biometric server thereby the biometric server performs biometric authentication of the user based on the cross-correlation between the registration template and the filtered verification image.

摘要翻译： 一种体现由用于生物认证的终端设备执行的程序的计算机可读介质，所述程序包括：生成注册图像的图像生成代码和来自耦合到所述终端的传感器收集的用户的生物特征信息的验证图像 设备; 生成随机滤波器的滤波器生成代码，用于对登记的图像进行加扰和随机滤波器的反相滤波器; 转换代码，通过将随机过滤器应用于登记图像，并通过对验证图像应用逆滤波器将验证图像变换为滤波后的验证图像，将注册的图像变换为注册模板; 通信代码将注册模板和过滤的验证图像发送到生物测定服务器，从而生物测定服务器基于注册模板和经滤波的验证图像之间的互相关来执行用户的生物体认证。

公开(公告)号：US08059637B2

公开(公告)日：2011-11-15

申请号：US12472869

申请日：2009-05-27

申请人： Hiroshi Doi ,  Masahiro Mimura ,  Taisuke Matsumoto

发明人： Hiroshi Doi ,  Masahiro Mimura ,  Taisuke Matsumoto

IPC分类号： H04L12/50

CPC分类号： H04W48/12 ,  H04W28/06 ,  Y02D70/142

摘要： A beacon slot position control section of a radio communication apparatus constituting a radio network system which detects whether empty beacon slots are present in a beacon period. When an empty beacon slot is present before the period in which the radio communication apparatus transmits a beacon, a movable counter starts counting a specified number of super frames. When the count is completed, the radio communication apparatus transmits a beacon of the radio communication apparatus at the earlier empty beacon slot. Consequently, since the empty beacon slots are eliminated and the beacon period is compacted, even if the number of radio communication apparatuses joining the radio network system fluctuates dynamically, the radio communication apparatus can perform radio communication with high efficiency and less waste of consumed electricity.

摘要翻译： 构成无线电网络系统的无线电通信装置的信标时隙位置控制部分，其检测信标周期中是否存在空信标时隙。 当在无线通信装置发送信标的期间之前存在空信标时隙时，可移动计数器开始计数指定数量的超帧。 当计数完成时，无线通信装置在较早的空信标时隙发送无线通信装置的信标。 因此，由于空信标时隙被消除并且信标周期被压缩，即使加入无线电网络系统的无线电通信装置的数量动态地波动，无线电通信装置可以以高效率和较少的消耗电力浪费进行无线电通信。