公开(公告)号：US5790555A

公开(公告)日：1998-08-04

申请号：US663278

申请日：1996-06-07

申请人： Shoichi Narahashi ,  Ken Kumagai ,  Toshio Nojima ,  Yoshiaki Tarusawa

发明人： Shoichi Narahashi ,  Ken Kumagai ,  Toshio Nojima ,  Yoshiaki Tarusawa

IPC分类号： H03G3/30 ,  H04B1/04 ,  H04J1/00 ,  H04J1/06 ,  H04J1/16 ,  H04J1/20 ,  H04L5/06 ,  H04L27/10 ,  H04L27/12 ,  H04L27/26

CPC分类号： H04J1/06 ,  H03G3/30 ,  H03G3/3042 ,  H04J1/065 ,  H04J1/16 ,  H04J1/20 ,  H04L27/10 ,  H04L27/12 ,  H04L5/06 ,  H04L27/2621

摘要： The frequencies of input modulated signals fed via ports 11.sub.1 to 11.sub.n are converted by frequency converting parts 12.sub.1 to 12.sub.n to different bands, and the converted outputs are applied to power combining part 24 decides if 16 via variable attenuators 21.sub.1 to 21.sub.n, respectively, and provided therefrom as a multiplexed output a portion of which is branched. The envelope power level L is detected by level detecting part 23. Control with the detected level L exceeds a level L.sub.s that is k times the average power of the multiplexed signal k being about 4 to 5, and controls the attenuators 21.sub.1 to 21.sub.n to attenuate the average power of the modulated signal by k/n-fold or less for about 1/.DELTA.F.sub.0 (sec), where (.DELTA.F.sub.0 �Hz! is the frequency bandwidth of the multiplexed signal.

摘要翻译： PCT No.PCT / JP95 / 02467 Sec。 371日期1996年6月7日第 102（e）日期1996年6月7日PCT 1995年12月4日PCT PCT。 公开号WO96 / 18249 日期1996年6月13日经由端口111至11n馈送的输入调制信号的频率由频率转换部分121至12n转换为不同频带，并且转换后的输出被施加到功率合成部分24通过可变衰减器211至21n判定16 ，并作为其一部分分支的多路复用输出。 包络功率电平L由电平检测部23检测。具有检测电平L的控制超过多路复用信号k的k倍的k倍的电平Ls为约4〜5，并且控制衰减器211〜21n衰减 对于约1 / DELTA F0（sec），调制信号的平均功率为k / n倍或更小，其中（DELTA F0 [Hz]是多路复用信号的频率带宽）。

公开(公告)号：US5812296A

公开(公告)日：1998-09-22

申请号：US776925

申请日：1997-02-11

申请人： Yoshiaki Tarusawa ,  Toshio Nojima ,  Yasushi Ito

发明人： Yoshiaki Tarusawa ,  Toshio Nojima ,  Yasushi Ito

IPC分类号： H04B10/077 ,  H04B10/079 ,  H04B10/25 ,  H04B10/2507 ,  H04B10/2575 ,  H04B10/54 ,  H04B10/572 ,  H04B10/12

CPC分类号： H04B10/278 ,  H04B10/25753 ,  H04B10/27

摘要： In a fiber optics transmission system in which a plurality of access units are cascade-connected via up-link and down-link optical fiber lines and connected to a base unit, the base unit has a beat noise detector and a noise information generator and, upon detection of beat noise, noise information is sent to each access unit over the optical fiber lines. Each access unit has a random signal generator for generating a random value in response to the noise information and a wavelength control circuit for randomly selecting and controlling the oscillation wavelength of a laser diode, and each access unit repeats random wavelength selection until the noise information is reduced.

摘要翻译： PCT No.PCT / JP96 / 02340 Sec。 371日期1997年2月11日 102（e）日期1997年2月11日PCT提交1996年8月22日PCT公布。 出版物WO97 / 08856 日期1997年3月6日在其中多个存取单元通过上链路和下行链路光纤线路级联连接并连接到基本单元的光纤传输系统中，基本单元具有拍频噪声检测器和 噪声信息发生器，并且在检测到节拍噪声时，通过光纤线路将噪声信息发送到每个存取单元。 每个访问单元具有随机信号发生器，用于响应于噪声信息产生随机值，以及用于随机选择和控制激光二极管的振荡波长的波长控制电路，并且每个存取单元重复随机波长选择，直到噪声信息为 减少

公开(公告)号：US5302908A

公开(公告)日：1994-04-12

申请号：US995163

申请日：1992-12-22

申请人： Yoshiaki Tarusawa ,  Toshio Nojima ,  Kazuaki Murota

发明人： Yoshiaki Tarusawa ,  Toshio Nojima ,  Kazuaki Murota

IPC分类号： H03K5/26 ,  G01R25/08 ,  H03D13/00 ,  H03L7/091 ,  H03L7/183 ,  H03K9/06

CPC分类号： G01R25/08 ,  H03D13/001 ,  H03L7/091 ,  H03L7/183

摘要： A modulus counter counts first clock pulses to modulus M and outputs the count value as an m-bit reference signal, M being an integer. A latch circuit samples and holds the reference signal in response to a trigger signal generated by a trigger signal generator in synchronism with an input signal. A high-speed counter is supplied with second clock pulses of a frequency higher than that of the first clock pulses and starts counting the second clock pulses in response to the trigger signal and stops the counting in response to a first one of the first clock pulses immediately thereafter. A data processor converts the n-bit count value of the high-speed counter to n-bit data corresponding to a phase fraction of a phase quantization step in the latch, combines the n-bit data as low-order bits with m-bit data from the latch and outputs the combined data as phase difference data.

摘要翻译： 模数计数器将第一个时钟脉冲计数为模数M，并将该计数值作为m位参考信号输出，M为整数。 锁存电路响应于与输入信号同步的触发信号发生器产生的触发信号，采样并保持参考信号。 向高速计数器提供频率高于第一时钟脉冲的第二时钟脉冲，并响应于触发信号开始对第二时钟脉冲进行计数，并响应于第一时钟脉冲中的第一时钟脉冲停止计数 此后立即。 数据处理器将高速计数器的n位计数值转换为对应于锁存器中的相位量化步长的相位分数的n位数据，将n位数据组合为低位位与m位 来自锁存器的数据作为相位差数据输出。

公开(公告)号：US5202906A

公开(公告)日：1993-04-13

申请号：US137129

申请日：1987-12-23

申请人： Shigeki Saito ,  Hiroshi Suzuki ,  Yoshiaki Tarusawa

发明人： Shigeki Saito ,  Hiroshi Suzuki ,  Yoshiaki Tarusawa

IPC分类号： H03L3/00 ,  H03L7/08 ,  H03L7/10 ,  H03L7/14 ,  H03L7/197 ,  H03L7/199

CPC分类号： H03L7/14 ,  H03L3/00 ,  H03L7/0802 ,  H03L7/10 ,  H03L7/1972 ,  H03L7/199

摘要： A frequency division scheme which offsets for a phase lag produced on initial power-on is described. A division ratio of a programmable counter is initially set at a first division ratio at the time of releasing the programmable counter from its reset state. When the first division cycle is complete, the division ratio is reset to its steady state value. Thus, a delay equivalent to the phase lag is produced. A frequency synthesizer is also proposed where the division ratio is set, and a phase difference is detected. Reset signals are continually set while the phase difference is changed. This cycle is continued until the phase difference is reduced to one cycle of the input signals or less.

公开(公告)号：US4980652A

公开(公告)日：1990-12-25

申请号：US400665

申请日：1989-08-31

申请人： Yoshiaki Tarusawa ,  Shigeki Saito ,  Yasushi Yamao ,  Toshio Nojima

发明人： Yoshiaki Tarusawa ,  Shigeki Saito ,  Yasushi Yamao ,  Toshio Nojima

IPC分类号： H03L7/14 ,  H03L7/189 ,  H03L7/199

CPC分类号： H03L7/189 ,  H03L7/14 ,  H03L7/199 ,  H03L2207/05

摘要： In a phase locked loop frequency synthesizer, the frequency of a VCO is switched by changing the division ratio of a variable ratio frequency divider in the feedback path of the loop. At the time of switching, a prepositioning voltage is applied to the VCO to realize fast frequency switching. To correct for nonlinear response of the VCO, the prepositioning voltage is adjusted according to information received from a voltage measuring circuit connected to the VCO control circuit.

公开(公告)号：US07615188B2

公开(公告)日：2009-11-10

申请号：US11392570

申请日：2006-03-30

申请人： Takahiro Iyama ,  Yoshiaki Tarusawa ,  Shinji Uebayashi ,  Toshio Nojima

发明人： Takahiro Iyama ,  Yoshiaki Tarusawa ,  Shinji Uebayashi ,  Toshio Nojima

IPC分类号： C12Q1/68 ,  H04B1/10 ,  G01N27/00

CPC分类号： G01R29/08

摘要： In an apparatus for measuring absorbed power including an electromagnetic field probe 1 fixedly mounted within a head simulation phantom 2 which simulates the configuration and the electromagnetic characteristics of a head of a human body, and wherein the strength of an electric field or a magnetic field of a radio wave externally irradiated upon the head simulation phantom 2 is measured by the electromagnetic field probe 1, and the power of the radio wave absorbed by the head is estimated on the basis of measured values, the head simulation phantom 2 comprises a solid dielectric 10′ which simulates the configuration and the electromagnetic characteristics of a head of a human body or a liquid dielectric 10 which simulates the electromagnetic characteristics of a head of a human body and which is filled in an enclosed vessel 10 which simulates the configuration of a head of a human body. The volume of the solid dielectric 10′ or the volume of the enclosed vessel 11 is equal to or less than 5×105 mm3.

摘要翻译： 在一种用于测量吸收功率的装置中，包括固定地安装在模拟人体头部的构型和电磁特性的头模拟体模2内的电磁场探针1，并且其中电场或磁场的强度 通过电磁场探头1测量外部照射到头部模拟体模2上的无线电波，并且基于测量值来估计头部吸收的无线电波的功率，头部模拟模型2包括固体电介质10 其模拟人体头部或液体电介质10的结构和电磁特性，其模拟人体头部的电磁特性，并且填充在封闭容器10中，该容器10模拟头部的头部的构造 一个人体 固体电介质10'的体积或封闭容器11的体积等于或小于5×10 5 mm 3。

公开(公告)号：US07186377B2

公开(公告)日：2007-03-06

申请号：US10398205

申请日：2002-08-08

申请人： Takahiro Iyama ,  Yoshiaki Tarusawa ,  Shinji Uebayashi ,  Toshio Nojima

发明人： Takahiro Iyama ,  Yoshiaki Tarusawa ,  Shinji Uebayashi ,  Toshio Nojima

IPC分类号： C12Q1/68 ,  G01N15/06 ,  G01N33/00 ,  G01N33/48 ,  G01N25/18

CPC分类号： G01R29/08

摘要： In an apparatus for measuring absorbed power including an electromagnetic field probe 1 fixedly mounted within a head simulation phantom 2 which simulates the configuration and the electromagnetic characteristics of a head of a human body, and wherein the strength of an electric field or a magnetic field of a radio wave externally irradiated upon the head simulation phantom 2 is measured by the electromagnetic field probe 1, and the power of the radio wave absorbed by the head is estimated on the basis of measured values, the head simulation phantom 2 comprises a solid dielectric 10′ which simulates the configuration and the electromagnetic characteristics of a head of a human body or a liquid dielectric 10 which simulates the electromagnetic characteristics of a head of a human body and which is filled in an enclosed vessel 10 which simulates the configuration of a head of a human body. The volume of the solid dielectric 10′ or the volume of the enclosed vessel 11 is equal to or less than 5×105 mm3.

摘要翻译： 在一种用于测量吸收功率的装置中，包括固定地安装在模拟人体头部的构型和电磁特性的头模拟体模2内的电磁场探针1，并且其中电场或磁场的强度 通过电磁场探头1测量外部照射到头部模拟体模2上的无线电波，并且基于测量值来估计头部吸收的无线电波的功率，头部模拟模型2包括固体电介质10 其模拟人体头部或液体电介质10的结构和电磁特性，其模拟人体头部的电磁特性，并且填充在封闭容器10中，该容器10模拟头部的头部的构型 一个人体 固体电介质10'的体积或封闭容器11的体积等于或小于5×10 5 mm 3。

公开(公告)号：US07032600B2

公开(公告)日：2006-04-25

申请号：US10758232

申请日：2004-01-16

申请人： Atsushi Fukuda ,  Yoshiaki Tarusawa ,  Noriyoshi Terada

发明人： Atsushi Fukuda ,  Yoshiaki Tarusawa ,  Noriyoshi Terada

IPC分类号： A61B19/00

CPC分类号： A61B1/041 ,  A61B5/0031 ,  A61B5/06 ,  A61B5/062

摘要： A system for measuring the position of an in vivo radio device is disclosed. The system comprises the in vivo radio device administered into a living organism, a plurality of ex vivo radio devices disposed outside of the living organism, and a position measuring device. The in vivo radio device includes a transmitter for transmitting a vital information signal or a position measuring signal. Each of the ex vivo radio devices includes a receiver for receiving the vital information signal or the position measuring signal. The position measuring device includes a position measuring unit for measuring the position of the in vivo radio device based on receiving characteristics of the vital information signal or the position measuring signal received by the ex vivo radio devices.

摘要翻译： 公开了一种用于测量体内无线电设备的位置的系统。 该系统包括施用于活体的体内无线电装置，设置在生物体外部的多个离体无线电装置和位置测量装置。 体内无线电设备包括用于发送重要信息信号或位置测量信号的发射器。 每个离体无线电设备包括用于接收重要信息信号或位置测量信号的接收器。 位置测量装置包括：位置测量单元，用于基于生物信息信号的接收特性或由体内无线电设备接收的位置测量信号来测量体内无线电设备的位置。

公开(公告)号：US07013087B2

公开(公告)日：2006-03-14

申请号：US09983705

申请日：2001-10-25

申请人： Yasunori Suzuki ,  Ning Chen ,  Yoshiaki Tarusawa ,  Toshio Nojima

发明人： Yasunori Suzuki ,  Ning Chen ,  Yoshiaki Tarusawa ,  Toshio Nojima

IPC分类号： H04B10/00 ,  H04B10/24 ,  H04B7/00 ,  H04J14/00

CPC分类号： H04B10/25755

摘要： A divider/combiner unit combines RF signals, then converts the combined signal into an optical signal and sends it over an optical fiber. N radio access units each convert the optical signal received from the optical fiber into an RF signal and transmits it from an antenna, and each radio access unit converts an RF signal received by the antenna into an optical signal and sends it over an optical fiber to the divider/combiner unit. The divider/combiner unit converts the received optical signal into RF signals and outputs them. This system is operated as plurality of communication systems in common to them in correspondence to a plurality of input/output terminals of the divider/combiner unit.

公开(公告)号：US5715525A

公开(公告)日：1998-02-03

申请号：US672480

申请日：1996-06-26

申请人： Yoshiaki Tarusawa ,  Toshio Nojima

发明人： Yoshiaki Tarusawa ,  Toshio Nojima

IPC分类号： H04B1/3822 ,  H04B1/40 ,  H04B1/44 ,  H04B1/48 ,  H04B7/08 ,  H04B1/56

CPC分类号： H04B1/44 ,  H04B7/0802 ,  H04B1/48

摘要： Band-pass filters BPF1, BPF2, and BPF3 correspond to the reception frequency band for FDD, the transmission band for FDD, and the band for TDD, respectively. An antenna A1 is used in common for transmission and reception in the FDD and TDD systems. Another antenna A2 is used for diversity reception in the FDD system. A controller 20 controls switches SW1 through SW4. When the FDD system is selected, the reception signal is sent from the antenna A1 or A2 through the filter BPF1 to a reception amplifier RA, and the transmission signal is sent from the transmission amplifier TA through the filter BPF2 to the antenna A1. When the TDD system is selected, the reception signal is sent from the antenna A1 through the filter BPF3 to the reception amplifier RA, and the transmission signal is sent from the transmission amplifier TA through the filter BPF3 to the antenna A1.

摘要翻译： 带通滤波器BPF1，BPF2和BPF3分别对应于用于FDD的接收频带，FDD的传输频带和TDD的频带。 天线A1共同用于FDD和TDD系统中的发射和接收。 另一个天线A2用于FDD系统中的分集接收。 控制器20控制开关SW1至SW4。 当选择FDD系统时，接收信号通过滤波器BPF1从天线A1或A2发送到接收放大器RA，并且发送信号从发送放大器TA通过滤波器BPF2发送到天线A1。 当选择TDD系统时，将接收信号从天线A1通过滤波器BPF3发送到接收放大器RA，并且发送信号从发送放大器TA通过滤波器BPF3发送到天线A1。