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31. 发明申请

US20130016017A1 CARD DEVICE 审中-公开
标题翻译：卡设备
公开(公告)号：US20130016017A1
公开(公告)日：2013-01-17
申请号：US13416484
申请日：2012-03-09
申请人： Koji AKITA , Seiichiro Horikawa , Hideo Kasami
发明人： Koji AKITA , Seiichiro Horikawa , Hideo Kasami
IPC分类号： H01Q1/24
CPC分类号： H01Q1/2275 , G06K19/07786
摘要： According to an embodiment, a card device connected to a device includes a wireless communication unit configured to make wireless communication. The wireless communication unit includes an antenna configured to be arranged therein as being apart from at least one of side faces of the card device by a distance corresponding to not less than a wavelength of a wireless signal that is emitted from the wireless communication unit.
摘要翻译：根据实施例，连接到设备的卡设备包括被配置为进行无线通信的无线通信单元。无线通信单元包括：天线，被配置为与卡装置的至少一个侧面相隔一定距离，该距离不小于从无线通信单元发射的无线信号的波长。

32. 发明申请

US20130015913A1 ELECTRONIC APPARATUS 有权
标题翻译：电子设备
公开(公告)号：US20130015913A1
公开(公告)日：2013-01-17
申请号：US13418562
申请日：2012-03-13
申请人： Seiichiro HORIKAWA , Koji Akita , Hideo Kasami
发明人： Seiichiro HORIKAWA , Koji Akita , Hideo Kasami
IPC分类号： G05F3/02
CPC分类号： G06F1/3212 , G06F1/3296 , Y02D10/172 , Y02D10/174
摘要： In an embodiment, an electronic apparatus is mounted with a card unit including first and second devices driven with different driving voltages. The electronic apparatus includes: first and second voltage generating units, first and second control units. The first voltage generating unit generates a first driving voltage for driving the first device and a second driving voltage for driving the second device using electric power from the battery. The second voltage generating unit generates the first driving voltage and second driving voltage using electric power transmitted from the external device. The first control unit controls the first selection unit such that any one of the first driving voltage generated by the first voltage generating unit and the first driving voltage generated by the second voltage generating unit is selected depending on the electric power supply capability of the battery.
摘要翻译：在一个实施例中，电子设备安装有具有由不同驱动电压驱动的第一和第二设备的卡单元。电子设备包括：第一和第二电压产生单元，第一和第二控制单元。第一电压产生单元使用来自电池的电力产生用于驱动第一装置的第一驱动电压和用于驱动第二装置的第二驱动电压。第二电压产生单元使用从外部装置发送的电力产生第一驱动电压和第二驱动电压。第一控制单元控制第一选择单元，使得由第一电压产生单元产生的第一驱动电压和由第二电压产生单元产生的第一驱动电压中的任何一个根据电池的电力供应能力来选择。

33. 发明申请

US20120129470A1 WIRELESS COMMUNICATION APPARATUS 审中-公开
标题翻译：无线通信设备
公开(公告)号：US20120129470A1
公开(公告)日：2012-05-24
申请号：US13221504
申请日：2011-08-30
申请人： Tomoya TANDAI , Koji Akita , Takeshi Tomizawa
发明人： Tomoya TANDAI , Koji Akita , Takeshi Tomizawa
IPC分类号： H04W88/02
CPC分类号： H04W76/14 , H04W24/10 , H04W84/18
摘要： According to one embodiment, a wireless communication apparatus includes a first timer, a generation unit, a transmitter, a receiver and a control unit. The first timer is configured to periodically measure a first time interval. The generation unit is configured to generate a connection request frame. The transmitter is configured to transmit the connection request frame. The receiver is configured to receive a response signal provided in response to the connection request frame. The control unit is configured to control the transmitter and the receiver in such a manner that iterative attempts are made to carry out a transmission of the connection request frame and a wait for reception of the response signal during the first time interval measured by the first timer.
摘要翻译：根据一个实施例，无线通信装置包括第一定时器，生成单元，发送器，接收器和控制单元。第一定时器被配置为周期性地测量第一时间间隔。生成单元被配置为生成连接请求帧。发送器被配置为发送连接请求帧。接收器被配置为接收响应于连接请求帧而提供的响应信号。控制单元被配置为以这样的方式控制发送器和接收器，即，进行迭代尝试以执行连接请求帧的传输，并且在由第一定时器测量的第一时间间隔期间等待接收响应信号。

34. 发明申请

US20120099668A1 TRANSMISSION METHOD, TRANSMITTER, AND RECEIVER FOR MULTI ANTENNA WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：多天线无线通信系统的传输方法，发射机和接收机
公开(公告)号：US20120099668A1
公开(公告)日：2012-04-26
申请号：US13336289
申请日：2011-12-23
申请人： Ren SAKATA , Koji Akita
发明人： Ren SAKATA , Koji Akita
IPC分类号： H04B7/02 , H04L27/00
CPC分类号： H04B7/06 , H04B7/0413 , H04B7/0613 , H04B7/0671 , H04B7/0684 , H04L27/2602 , H04L27/2626
摘要： A transmitter includes first generator to generate pilot source signal by modulating pilot sequence, second generator to generate data source signal with time length longer than that of pilot source signal by modulating data sequence, first cyclic shifter to perform cyclic shift of first shift amount to pilot source signal to generate first pilot signal, second cyclic shifter to performs cyclic shift of second shift amount to data source signal to generate first data signal, third cyclic shifter to perform cyclic shift of third shift amount to pilot source signal to generate second pilot signal, fourth cyclic shifter to perform cyclic shift of fourth shift amount to data source signal to generate second data signal, first transmit antenna to transmit first pilot signal and first data signal, and second transmit antenna to transmit second pilot signal and second data signal.
摘要翻译：发射机包括通过调制导频序列产生导频源信号的第一发生器，第二发生器通过调制数据序列产生时间长于导频源信号的数据源信号，第一循环移位器执行第一移位量到导频的循环移位源信号以产生第一导频信号，第二循环移位器执行第二移位量到数据源信号的循环移位以产生第一数据信号，第三循环移位器执行第三移位量到导频源信号的循环移位以产生第二导频信号，第四循环移位器，执行第四移位量到数据源信号的循环移位，生成第二数据信号，第一发送天线发送第一导频信号和第一数据信号;第二发送天线，发送第二导频信号和第二数据信号。

35. 发明授权

US08094553B2 Base station, radio terminal and radio communication method 有权
标题翻译：基站，无线终端和无线电通信方式
公开(公告)号：US08094553B2
公开(公告)日：2012-01-10
申请号：US11814960
申请日：2007-03-09
申请人： Koji Akita , Koichiro Ban
发明人： Koji Akita , Koichiro Ban
IPC分类号： H04B7/208 , H04J3/22
CPC分类号： H04L27/2602 , H04L5/023 , H04L27/2657
摘要： According to an aspect of the present invention, there is provided with a radio communication method using an OFDMA scheme for uplink communication from a plurality of radio terminals to a base station, including: detecting communication states of the radio terminals; and arranging null subcarriers between subcarriers used by the radio terminals to which frequency bands neighboring on the frequency domain are assigned, depending on the communication states of the radio terminals.
摘要翻译：根据本发明的一个方面，提供了一种使用OFDMA方案的从多个无线终端到基站的上行链路通信的无线通信方法，包括：检测无线终端的通信状态; 并且根据无线终端的通信状态，在被分配了与频域相邻的频带的无线终端使用的子载波之间排列无效的副载波。

36. 发明申请

US20110227571A1 MAGNETIC RESONANCE IMAGING APPARATUS 有权
标题翻译：磁共振成像装置
公开(公告)号：US20110227571A1
公开(公告)日：2011-09-22
申请号：US13048314
申请日：2011-03-15
申请人： Takahiro Sekiguchi , Koji Akita , Toshiyuki Nakanishi , Kazuya Okamoto , Sojuro Kato
发明人： Takahiro Sekiguchi , Koji Akita , Toshiyuki Nakanishi , Kazuya Okamoto , Sojuro Kato
IPC分类号： G01R33/44
CPC分类号： G01R33/3692 , G01R33/3607
摘要： According to one embodiment, a apparatus includes a coil, a clock generator, an echo transmitter, a carrier generator, a clock transmitter, a regenerator, an receiver, a reconstructor, a detector, and a controller. The echo transmitter generates and transmits an echo transmission signal synchronously with a clock signal generated by the clock generator to wirelessly transmit an echo signal output from the col. The carrier generator generates a carrier signal have a frequency within a variable range. The clock transmitter wirelessly transmits a clock transmission signal. The regenerator regenerates the clock signal based on the transmitted clock transmission signal. The receiver extracts the echo signal synchronously with the regenerated clock signal from the transmitted echo transmission signal. The detector detects a frequency of an interference wave. The controller controls the carrier generator to generate the carrier signal having a frequency which comparatively small interference with respect to the detected frequency.
摘要翻译：根据一个实施例，一种装置包括线圈，时钟发生器，回波发射器，载波发生器，时钟发射器，再生器，接收器，重建器，检测器和控制器。回波发射机与由时钟发生器产生的时钟信号同步地生成和发送回波发送信号，以无线地发送从该列输出的回波信号。载波发生器产生具有可变范围内的频率的载波信号。时钟发射机无线传输时钟传输信号。再生器基于发送的时钟传输信号再生时钟信号。接收机从发送的回波发送信号中与再生的时钟信号同步地提取回波信号。检测器检测到干扰波的频率。控制器控制载波发生器以产生具有相对于检测到的频率具有相对小的干扰的频率的载波信号。

37. 发明授权

US07742517B2 Method for modulating a bit string, modulator, radio transmitter, and radio receiver 失效
标题翻译：用于调制位串，调制器，无线电发射机和无线电接收机的方法
公开(公告)号：US07742517B2
公开(公告)日：2010-06-22
申请号：US11360504
申请日：2006-02-24
申请人： Koji Akita , Tomoya Horiguchi , Koji Ogura
发明人： Koji Akita , Tomoya Horiguchi , Koji Ogura
IPC分类号： H04B1/00
CPC分类号： H04J13/00 , H04B2201/709709 , H04L1/0625
摘要： A modulator includes a first input configured to input a first bit string; a first modulating device configured to modulate the inputted first bit string at a first bit rate; a second input configured to input a second bit string; a second modulating device configured to modulate the inputted second bit string at a second bit rate which is lower than the first bit rate; and an output configured to output a modulated signal including the modulated first bit string and the modulated second bit string.
摘要翻译：调制器包括被配置为输入第一位串的第一输入; 第一调制装置，被配置为以第一比特率调制所输入的第一比特串; 配置为输入第二位串的第二输入; 第二调制装置，被配置为以低于所述第一比特率的第二比特率调制所输入的第二比特串; 以及输出，被配置为输出包括调制的第一位串和调制的第二位串的调制信号。

38. 发明申请

US20080227389A1 RADIO COMMUNICATION METHOD, RADIO TRANSMISSION APPARATUS AND RECEIVING APPARATUS 失效
标题翻译：无线电通信方法，无线电传输设备和接收设备
公开(公告)号：US20080227389A1
公开(公告)日：2008-09-18
申请号：US11854070
申请日：2007-09-12
申请人： Ren Sakata , Koji Akita , Koichiro Ban , Noritaka Deguchi
发明人： Ren Sakata , Koji Akita , Koichiro Ban , Noritaka Deguchi
IPC分类号： H04B1/02 , H04B1/00 , H04B7/24
CPC分类号： H04B7/12 , H04L1/04 , H04L1/06 , Y02D70/442
摘要： A radio communication method including, generating a first transmit RF signal and a second transmit RF signal from a data signal to be transmitted, each of the first and second transmit RF signals having a power spectrum in symmetric shape in the frequency domain, transmitting the first transmit RF signal and the second transmit RF signal at a different time, receiving the first transmit RF signal and the second transmit RF signal to generate a first received RF signal and a second received RF signal, and reproducing the data signal from the first received RF signal and the second received RF signal.
摘要翻译：一种无线电通信方法，包括：从要发送的数据信号产生第一发射RF信号和第二发射RF信号，所述第一和第二发射RF信号中的每一个在频域中具有对称形状的功率谱，在不同的时间发射RF信号和第二发射RF信号，接收第一发射RF信号和第二发射RF信号以产生第一接收RF信号和第二接收RF信号，并且从第一接收RF再现数据信号信号和第二个接收的RF信号。

39. 发明申请

US20080037686A1 WIRELESS TRANSMISSION METHOD USING OFDM AND TRANSMITTER AND RECEIVER THEREOF 审中-公开
标题翻译：使用OFDM和发射机的无线传输方法及其接收机
公开(公告)号：US20080037686A1
公开(公告)日：2008-02-14
申请号：US11838254
申请日：2007-08-14
申请人： Koji AKITA , Noritaka Deguchi
发明人： Koji AKITA , Noritaka Deguchi
IPC分类号： H03C3/00 , H04J1/00 , H04Q7/00
CPC分类号： H04L5/0048 , H04B7/0671 , H04L5/0007 , H04L27/2626 , H04W72/04
摘要： A wireless transmitter includes an allocation unit allocating first modulation symbols to first subcarriers arranged in N subcarriers cycles, modulators performing OFDM modulation on the first modulation symbols allocated to the first subcarriers to generate OFDM signals including at least one OFDM symbol corresponding to the first modulation symbol, a cyclic delayer performing cyclic delay on the OFDM symbol in the delay amount corresponding to d/N times the symbol length, and transmission units transmitting the OFDM signals.
摘要翻译：无线发射机包括分配单元，将第一调制符号分配给以N个子载波周期排列的第一子载波，对分配给第一子载波的第一调制符号执行OFDM调制的调制器，以生成包含至少一个对应于第一调制符号的OFDM符号的OFDM信号循环延迟器以对应于符号长度的d / N倍的延迟量对OFDM符号执行循环延迟，以及发送单元发送OFDM信号。

40. 发明授权

US07308037B2 Radio receiving apparatus and method 有权
标题翻译：无线接收装置及方法
公开(公告)号：US07308037B2
公开(公告)日：2007-12-11
申请号：US10950396
申请日：2004-09-28
申请人： Koji Akita , Kazumi Sato , Kuniaki Ito , Akihiro Tsujimura
发明人： Koji Akita , Kazumi Sato , Kuniaki Ito , Akihiro Tsujimura
IPC分类号： H04B7/02
CPC分类号： H04B7/0874
摘要： Radio receiving apparatus includes antennas, radio units adjusting gains of received signals, and outputting the adjusted received signals, respectively, converters converting the adjusted received signals into digital signals, selector device which selects several of the digital signals, combination of the selected digital signals exhibiting good receiving characteristic, controller which determines the gains and outputs single control signal included in information of the determined gains to certain radio units, the certain radio units being included in the radio units and connected to certain converters of the converters which output digital signals included in the selected combination, weight calculator which calculates weight for each of the selected digital signals to enhance the receiving characteristic if the controller outputs the single control signal, synthesizer which synthesizes, into synthetic digital signal, digital signals obtained by multiplying each of the selected digital signals by the weight, and demodulator which demodulates the synthetic digital signal.
摘要翻译：无线接收装置包括天线，无线电单元，分别调整接收信号的增益，并分别输出经调整的接收信号，将经调整的接收信号转换为数字信号的转换器，选择数字信号的选择装置，所选数字信号的组合表现良好的接收特性，控制器，其确定增益和输出包括在确定的增益的信息中的单个控制信号到某些无线电单元，所述某些无线电单元包括在无线电单元中并连接到转换器的某些转换器，该转换器输出包括在所选择的组合，权重计算器，其计算每个所选数字信号的权重，以在控制器输出单个控制信号时提高接收特性，合成器将合成数字信号合成为通过将所选择的二进制重量信号，解调合成数字信号的解调器。

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