公开(公告)号：US20100266053A1

公开(公告)日：2010-10-21

申请号：US12742061

申请日：2008-11-27

申请人： Takenori Sakamoto ,  Taisuke Matsumoto ,  Satoshi Hasako ,  Suguru Fujita ,  Masashi Kobayashi ,  Zhan Yu

发明人： Takenori Sakamoto ,  Taisuke Matsumoto ,  Satoshi Hasako ,  Suguru Fujita ,  Masashi Kobayashi ,  Zhan Yu

IPC分类号： H04L27/00 ,  H04L27/20 ,  H04L27/06

CPC分类号： H04L25/0224 ,  H04L27/0008 ,  H04L27/18 ,  H04L27/2071

摘要： A wireless communication method, a radio transmitter apparatus and a radio receiver apparatus wherein a signal sequence, which is used in a reception process using a first modulation scheme and can be generated from a signal sequence prepared for a reception process and used in a second modulation scheme, is employed, thereby achieving a performance to a similar extent to the reception process performance using the second modulation scheme. A radio transmitter apparatus (20) uses a first modulation scheme (e.g., OOK modulation scheme) to sequentially transmit, as a first sequence, both a sub-sequence a1(n), which is identical with a second sequence a(n) designed for use in a second modulation scheme (e.g., BPSK modulation scheme), and a sub-sequence a2(n), the bits of which are reverse to those of the second sequence a(n), in a time division manner. A radio receiver apparatus (30) detects the sub-sequence a1(n) and sub-sequence a2(n) in a received signal to send the detection result to the following stage for a signal processing.

摘要翻译： 一种无线通信方法，无线发送装置以及无线接收装置，其特征在于，在使用第一调制方式的接收处理中使用的信号序列，可以从为接收处理而准备的信号序列生成并在第二调制中使用的信号序列 方案，从而实现与使用第二调制方案的接收处理性能相似程度的性能。 无线电发射机装置（20）使用第一调制方案（例如，OOK调制方案）作为第一序列顺序地发送与被设计的第二序列a（n）相同的子序列a1（n） 用于第二调制方案（例如，BPSK调制方案）以及子序列a2（n），它们的比特以时分方式与第二序列a（n）的比特相反。 无线接收装置（30）检测接收信号中的子序列a1（n）和子序列a2（n），将检测结果发送到后续的信号处理阶段。

公开(公告)号：US20100208846A1

公开(公告)日：2010-08-19

申请号：US12162722

申请日：2007-01-25

申请人： Yew Soo Eng ,  Zhan Yu ,  Suguru Fujita

发明人： Yew Soo Eng ,  Zhan Yu ,  Suguru Fujita

IPC分类号： H04L7/00 ,  H04L27/06

CPC分类号： H04L7/042 ,  H04B1/709 ,  H04B1/7183 ,  H04L7/10

摘要： A radio receiving apparatus and a radio receiving method wherein synchronization is established at a high speed with high reliability. An IR receiver (100) includes a synchronization establishing unit (120), which comprises a correlator (154) that correlates a received pulse signal with a first pulse template; a first synchronization control means including a threshold value determining part (156) that determines, based on a result of that correlation, whether a first synchronization (coarse synchronization) is established and that shifts the correlation timing between the received pulse signal and the first pulse template when the first synchronization has not been established; a correlator (162) that correlates the correlation result of the first correlating means with a second shorter pulse template after establishment of the first synchronization; and a second synchronization control means including a threshold value determining part (164) that determines, based on a result of this correlation, whether a second synchronization (fine synchronization) is established and that shifts the correlation timing between the correlation result of the correlator (154) and the second pulse template when the second synchronization has not been established and that outputs timing information of establishment of the second synchronization when the second synchronization is established.

摘要翻译： 一种无线接收装置和无线接收方法，其中以高可靠性高速建立同步。 IR接收机（100）包括同步建立单元（120），该单元包括将接收到的脉冲信号与第一脉冲模板相关联的相关器（154） 第一同步控制装置，包括阈值确定部分（156），该阈值确定部分（156）基于该相关性的结果确定是否建立了第一同步（粗略同步），并且将接收到的脉冲信号和第一脉冲之间的相关定时 当第一同步尚未建立时的模板; 相关器（162），其在建立所述第一同步之后将所述第一相关装置的相关结果与第二较短脉冲模板相关; 以及包括阈值确定部分（164）的第二同步控制装置，其基于该相关性的结果确定是否建立了第二同步（精细同步），并且将相关器的相关结果（ 154）和第二脉冲模板，当第二同步尚未建立时，并且当建立第二同步时，输出第二同步建立的定时信息。

公开(公告)号：US20100166037A1

公开(公告)日：2010-07-01

申请号：US12377113

申请日：2007-10-10

申请人： Lei Soo Huang ,  Ping Luo ,  Suguru Fujita ,  Kazuaki Takahashi

发明人： Lei Soo Huang ,  Ping Luo ,  Suguru Fujita ,  Kazuaki Takahashi

IPC分类号： H04B1/69

CPC分类号： H04L27/0008 ,  H04B1/7176 ,  H04L27/02 ,  H04L27/18

摘要： A UWB transmission apparatus that, in a system using a mixture of amplitude and phase modulation schemes, can support both of the amplitude and phase modulation schemes, while preventing the signal powers of amplitude-modulated signals from degrading. In this UWB transmission apparatus, if the modulation mode is of QPSK, a mapping part (121) selects one of four signal points on the IQ plane in accordance with a 2-bit data, and outputs information related to the I- and Q-components of the selected signal point to a QPSK/ASK modulated signal forming part (122). If the modulation mode is of ASK, the mapping part (121) selects the origin point on the IQ plane when the data being ‘0’ and selects one of four signal points on the IQ plane, similarly to the case of QPSK modulation, when the data being ‘1,’ and outputs information, which is related to the selected signal point, to the QPSK/ASK modulated signal forming part (122).

摘要翻译： 一种UWB传输装置，其在使用幅度和相位调制方案的混合的系统中可以支持幅度和相位调制方案两者，同时防止幅度调制信号的信号功率降级。 在该UWB发送装置中，如果调制模式为QPSK，则映射部（121）根据2比特数据选择IQ平面上的四个信号点中的一个，并且输出与I和Q- 所选信号的分量指向QPSK / ASK调制信号形成部分（122）。 如果调制方式为ASK，映射部分（121）在数据为“0”时选择IQ平面上的原点，并选择IQ平面上的四个信号点中的一个，类似于QPSK调制的情况，当 数据为“1”，并将与所选信号点相关的信息输出到QPSK / ASK调制信号形成部分（122）。

公开(公告)号：US07706452B2

公开(公告)日：2010-04-27

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

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：US20090177954A1

公开(公告)日：2009-07-09

申请号：US12305570

申请日：2007-06-20

申请人： Kazuaki Takahashi ,  Suguru Fujita ,  Michiaki Matsuo ,  Yutaka Murakami ,  Satoshi Hasako

发明人： Kazuaki Takahashi ,  Suguru Fujita ,  Michiaki Matsuo ,  Yutaka Murakami ,  Satoshi Hasako

IPC分类号： H03M13/09 ,  G06F11/10

CPC分类号： H04L27/06 ,  H04L1/0045 ,  H04L1/06 ,  H04L1/1812 ,  H04L1/1829 ,  H04L25/03171 ,  H04L25/067

摘要： A code error detecting device that can more precisely detect a code error due to a delayed wave is disclosed. The code error detecting device includes a receiving antenna (121) for receiving a on-off keying modulated pulse and its code-reversed pulse, a pulse detector (124) for outputting detected data in accordance with the pulses, a code comparing unit (128) for comparing each code of first received data (R1) with one of second received data (R2), wherein the first and second received data are derived from the output detected data, and an error detecting unit (129) for detecting an error of each code from a comparison result (D2) indicative of a result compared in the code comparing unit (128).

摘要翻译： 公开了一种可以更精确地检测由于延迟波引起的码错误的码错误检测装置。 代码错误检测装置包括用于接收开关键控调制脉冲及其代码反转脉冲的接收天线（121），用于根据脉冲输出检测数据的脉冲检测器（124），代码比较单元（128 ），用于将第一接收数据（R1）的每个代码与第二接收数据（R2）中的一个进行比较，其中从所述输出检测数据导出第一和第二接收数据;以及错误检测单元（129），用于检测 来自代码比较单元（128）中比较结果的比较结果（D2）的每个代码。

公开(公告)号：US20090135974A1

公开(公告)日：2009-05-28

申请号：US11909910

申请日：2006-03-29

申请人： Masahiro Mimura ,  Kazuaki Takahashi ,  Suguru Fujita

发明人： Masahiro Mimura ,  Kazuaki Takahashi ,  Suguru Fujita

IPC分类号： H04L7/00

CPC分类号： H03K7/02

摘要： An impulse waveform generating apparatus includes a multistage delay pulse signal generating part for generating a plurality of delay pulse signals by a timing signal; a signal source signal generating part for generating a signal source signal indicating the frequency component of an impulse waveform signal by the delay pulse signals; an envelope formation signal generating part for generating an envelope formation signal indicating the amplitude component of the impulse waveform signal by the delay pulse signals; and a mixer part for multiplying the signal source signal by the envelope formation signal to generate a prescribed impulse waveform signal. The impulse waveform generating apparatus generates the impulse waveform signal from the timing signal. Therefore, the circuit arrangement requires no digital-to-analog converter, the operational frequency of each element can be reduced, and the power consumption can be reduced.

摘要翻译： 脉冲波形发生装置包括：多级延迟脉冲信号产生部分，用于通过定时信号产生多个延迟脉冲信号; 信号源信号产生部分，用于通过延迟脉冲信号产生指示脉冲波形信号的频率分量的信号源信号; 信封形成信号产生部分，用于通过延迟脉冲信号产生指示脉冲波形信号的振幅分量的包络信号; 以及混合器部分，用于将信号源信号乘以包络形成信号以产生规定的脉冲波形信号。 脉冲波形生成装置根据定时信号生成脉冲波形信号。 因此，该电路装置不需要数模转换器，可以降低各元件的工作频率，能够降低功耗。

公开(公告)号：US06357255B1

公开(公告)日：2002-03-19

申请号：US09555061

申请日：2000-05-23

申请人： Hisashi Onishi ,  Yukio Hiranaka ,  Noboru Tsubakihara ,  Katsuo Iwata ,  Tetsuro Furukawa ,  Masaharu Furutera ,  Mitsunobu Matsuda ,  Suguru Fujita ,  Takeshi Yano

发明人： Hisashi Onishi ,  Yukio Hiranaka ,  Noboru Tsubakihara ,  Katsuo Iwata ,  Tetsuro Furukawa ,  Masaharu Furutera ,  Mitsunobu Matsuda ,  Suguru Fujita ,  Takeshi Yano

IPC分类号： F25B3300

CPC分类号： F25B33/00 ,  F25B15/04 ,  F25B2333/003 ,  F25B2333/006

摘要： A regenerator for use in an ammonia absorption refrigerator comprises a heater for heating an ammonia aqueous solution and a rectifying column for enriching ammonia in an ammonia solution-vapor mixture obtained in and introduced from the heater, wherein the heater comprises a heater body having a heating chamber, a burner of lean pre-mixture combustion type disposed in a lower portion of the heating chamber, and a heat transfer tube bundle provided in a meandering arrangement above the burner within the heating chamber, the heat transfer tube bundle having an inlet and an outlet which are respectively connected to lower portions of the rectifying column via transfer pipes.

摘要翻译： 一种用于氨吸收式制冷机的再生器包括：加热器，用于加热氨水溶液;以及精馏塔，用于在从加热器中获得的和从加热器引入的氨溶液 - 蒸气混合物中富集氨，其中加热器包括加热器体， 腔室，设置在加热室的下部的贫混合燃烧型燃烧器，以及设置在加热室内的燃烧器上方的曲折设置的传热管束，传热管束具有入口和 出口，分别经由输送管连接到精馏塔的下部。

公开(公告)号：US09219307B2

公开(公告)日：2015-12-22

申请号：US13876919

申请日：2011-09-27

申请人： Kazuaki Takahashi ,  Masayuki Orihashi ,  Suguru Fujita

发明人： Kazuaki Takahashi ,  Masayuki Orihashi ,  Suguru Fujita

IPC分类号： H01Q3/24 ,  G01S3/38 ,  H04B7/06 ,  G01S5/02 ,  G01S5/12 ,  H04W16/28

CPC分类号： H01Q3/24 ,  G01S3/38 ,  G01S5/0242 ,  G01S5/12 ,  H04B7/0617 ,  H04B7/0695 ,  H04W16/28

摘要： A wireless communication device transmits and receives a signal by a wireless communication using a millimeter wave frequency band. The wireless communication device includes an antenna section having directivities in a plurality of different directions, an antenna control section adapted to form a directivity in a prescribed direction among the plurality of directivities of the antenna section, a direction and position estimation section adapted to estimate direction and position information of a wireless communication device to be communicated with, which is a target for the wireless communication, in accordance with a receiving signal received by the antenna section having the directivity formed, and a display section adapted to display the estimated direction and position information of the wireless communication device to be communicated with.

摘要翻译： 无线通信装置通过使用毫米波频带的无线通信发送和接收信号。 所述无线通信装置包括具有多个不同方向的方向性的天线部，天线控制部，其适于在所述天线部的所述多个方向性中形成规定方向的方向性，适于估计方向的方向和位置估计部 以及与作为无线通信目标的要通信的无线通信设备的位置信息，根据由具有指向性的天线部分接收到的接收信号，以及适于显示估计方向和位置的显示部分 要通信的无线通信设备的信息。

公开(公告)号：US08891697B2

公开(公告)日：2014-11-18

申请号：US13816076

申请日：2012-02-23

申请人： Masashi Kobayashi ,  Suguru Fujita ,  Taiji Akizuki

发明人： Masashi Kobayashi ,  Suguru Fujita ,  Taiji Akizuki

IPC分类号： H04L27/08 ,  H03F3/45 ,  H03F1/02 ,  H04B1/30 ,  H03G3/30 ,  H03F3/72 ,  H03F3/189 ,  H04L25/06

CPC分类号： H04L25/06 ,  H03F1/0277 ,  H03F3/189 ,  H03F3/45183 ,  H03F3/45748 ,  H03F3/72 ,  H03F2200/294 ,  H03F2200/336 ,  H03F2200/405 ,  H03F2200/411 ,  H03F2200/507 ,  H03F2203/45212 ,  H03F2203/45352 ,  H03F2203/45702 ,  H03F2203/7215 ,  H03F2203/7221 ,  H03F2203/7227 ,  H03F2203/7231 ,  H03F2203/7236 ,  H03G3/3068 ,  H04B1/30

摘要： A reception signal processing devices includes a converter which converts an analog signal amplified by an amplifying section to a digital signal, switches respectively provided in post-stages of variable gain amplifiers of the amplifying section, a bypass switch section which sets to open and close a path in which outputs of the variable gain amplifiers go around the variable gain amplifiers of the post-stages and are inputted to the converter, a switch controller which controls the switches and the bypass switch section and a DC offset controller which sets a correction value of a DC offset in accordance with a gain set to the variable gain amplifier as an object to be corrected.

摘要翻译： 接收信号处理装置包括将由放大部分放大的模拟信号转换为数字信号的转换器，分别设置在放大部分的可变增益放大器的后级中的开关，设置为打开和关闭的旁路开关部分 可变增益放大器的输出绕过后级的可变增益放大器并且被输入到转换器的路径，控制开关和旁路开关部分的开关控制器和设置校正值的DC偏移控制器 根据作为要校正对象的可变增益放大器设定的增益的DC偏移。

公开(公告)号：US08771512B2

公开(公告)日：2014-07-08

申请号：US12933995

申请日：2008-10-07

申请人： Suguru Fujita ,  Yoshinobu Takaki ,  Yoshihiro Asari

发明人： Suguru Fujita ,  Yoshinobu Takaki ,  Yoshihiro Asari

IPC分类号： B01D63/06

CPC分类号： B01D71/028 ,  B01D63/065 ,  B01D65/003 ,  B01D2313/02 ,  B01D2313/08 ,  B01D2313/22 ,  B01D2319/022 ,  B01D2319/04

摘要： In a separation membrane module in a module main body, an upper horizontal partition plate forms an upper fluid channel, a lower horizontal partition plate forms a lower fluid channel, a plurality of vertical outer tubes are fixed between the upper horizontal partition plate and the lower horizontal partition plate, and vertical tubular membrane elements extend through the respective outer tubes with a gap. An upper end of the gap is in communication with the upper fluid channel and a lower end of the gap is in communication with the lower fluid channel. An upper end opening of each of the membrane elements is open to outside of the module main body and a lower end opening each of the membrane elements is closed. A vertical partition plate is provided in either the upper fluid channel or the lower fluid channel to form an inlet chamber and an outlet chamber.

摘要翻译： 在模块主体的分离膜组件中，上水平隔板形成上流体通道，下水平隔板形成下流体通道，多个垂直外管固定在上水平隔板和下水平隔板之间 水平分隔板和垂直管状膜元件以间隙延伸通过相应的外管。 间隙的上端与上流体通道连通，间隙的下端与下流体通道连通。 每个膜元件的上端开口对模块主体的外部开放，并且每个膜元件的下端开口关闭。 在上部流体通道或下部流体通道中设置有垂直隔板以形成入口室和出口室。