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公开(公告)号：US09141781B2
公开(公告)日：2015-09-22
申请号：US13415264
申请日：2012-03-08
申请人： Koji Akita , Seiichiro Horikawa , Hideo Kasami
发明人： Koji Akita , Seiichiro Horikawa , Hideo Kasami
摘要： According to one embodiment, a card device includes an authentication unit, a wireless communication unit, and a control unit. The authentication unit performs an authentication process with an external device via wired communication. The wireless communication unit performs wireless communication with the external device. The control unit controls the wireless communication unit to reduce radio waves radiated from the wireless communication unit when the control unit detects that the authentication process is being performed.
摘要翻译： 根据一个实施例，卡设备包括认证单元，无线通信单元和控制单元。 认证单元通过有线通信与外部设备进行认证处理。 无线通信单元与外部设备进行无线通信。 当控制单元检测到正在进行认证处理时，控制单元控制无线通信单元以减少从无线通信单元辐射的无线电波。
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公开(公告)号：US09232561B2
公开(公告)日：2016-01-05
申请号：US13683336
申请日：2012-11-21
申请人： Koji Akita , Takayoshi Ito , Seiichiro Horikawa , Hideo Kasami
发明人： Koji Akita , Takayoshi Ito , Seiichiro Horikawa , Hideo Kasami
摘要： A wireless communication device has a plurality of wireless units each configured to cover a different wireless communication range and be capable of receiving data in the corresponding wireless communication range, a status information generator provided corresponding to the wireless unit utilized to receive data among the plurality of wireless units, in order to generate status information concerning the wireless communication range of the wireless unit utilized to receive the data, and a storage configured to store the status information in association with the data.
摘要翻译： 无线通信设备具有多个无线单元，每个无线单元被配置为覆盖不同的无线通信范围并且能够接收相应无线通信范围内的数据;与用于在多个 无线单元，以便生成关于用于接收数据的无线单元的无线通信范围的状态信息;以及存储器，被配置为与数据相关联地存储状态信息。
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公开(公告)号：US09158360B2
公开(公告)日：2015-10-13
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
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。
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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。
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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。
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公开(公告)号：US20080025431A1
公开(公告)日：2008-01-31
申请号：US11689092
申请日：2007-03-21
IPC分类号： H04L27/00
CPC分类号： H04L27/2071 , H04L27/00 , H04L27/2075 , H04L27/2278 , H04L27/2331
摘要： A transmitting apparatus converts a unit data item of the unit data items having a predetermined bit length into a time shift amount, stores, in a memory, a first symbol including a plurality of samples, generates a second symbol corresponding to the unit data item by cyclically shifting the samples in the first symbol by the time shift amount, and transmits the second symbol. A receiving apparatus receives two consecutive symbols each including a plurality of samples, detects sample values of the samples in each of the symbols, detects a time shift amount between the symbols based on the sample values of the samples in each of the symbols, and converts the time shift amount into a data item having the bit length.
摘要翻译： 发送装置将具有预定比特长度的单位数据项的单位数据项转换为时移量，在存储器中存储包含多个样本的第一符号，生成与单位数据项对应的第二符号， 将第一符号中的样本循环移位时移量，并发送第二符号。 接收装置接收两个包括多个样本的连续符号，检测每个符号中的采样的采样值，根据每个符号中的样本的采样值，检测符号之间的时移量，并将其转换 将时间量转换成具有位长度的数据项。
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7.发明申请公开(公告)号：US20070127361A1
公开(公告)日：2007-06-07
申请号：US11531190
申请日：2006-09-12
IPC分类号： H04J11/00
CPC分类号： H04L27/2647 , H04L27/2602
摘要： According to an aspect of the present invention, there is provided with an OFDM (Orthogonal Frequency Division Multiplexing) transmission apparatus, including: a subcarrier modulator configured to perform subcarrier modulation on a data sequence to generate subcarrier modulated signals; an IFFT unit configured to perform IFFT (Inverse Fast Fourier Transform) processing on the subcarrier modulated signals to generate a first OFDM symbol having a length corresponding to the number of FFT points at the IFFT processing; a symbol length shortener configured to obtain a part of the generated first OFDM symbol as a second OFDM symbol; and a transmitter configured to transmit the second OFDM symbol obtained to an other communication apparatus.
摘要翻译： 根据本发明的一个方面，提供了一种OFDM（正交频分复用）传输装置，包括：副载波调制器，被配置为对数据序列执行子载波调制以产生副载波调制信号; IFFT单元，被配置为对所述子载波调制信号执行IFFT（快速傅里叶逆变换）处理，以产生具有与所述IFFT处理中的FFT点数相对应的长度的第一OFDM符号; 符号长度缩短器，被配置为获得所生成的第一OFDM符号的一部分作为第二OFDM符号; 以及发送器，被配置为将获得的第二OFDM符号发送到另一通信装置。
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8.发明授权Wireless magnetic resonance imaging apparatus generating synchronized clock-regenerated signals and video 有权无线磁共振成像装置产生同步的时钟再生信号和视频公开(公告)号：US08502540B2
公开(公告)日：2013-08-06
申请号：US12614943
申请日：2009-11-09
IPC分类号： G01R33/36 , G01R33/3607
CPC分类号： G01R33/3692 , G01R33/3607 , G01R33/3621
摘要： A magnetic resonance imaging apparatus includes a probe unit and a control/imaging unit. The probe unit includes a converter converting a sampled magnetic-resonance signal into a digital signal, a first transmitter converting the digital signal into a first-radio signal, a first receiver receiving and performing detection on the second-radio signal to obtain a first-received signal, and a clock-regeneration unit regenerating a clock component from the first-received signal to generate a regenerated-clock signals. The control/imaging unit includes a second-receiver receiving the first-radio signal to obtain a second-received signal, a data processor performing data processing on the second-received signal in synchronism with a reference-clock signal to obtain a video signal, and a second transmitter which modulates a carrier wave using the reference-clock signal, converts the reference-clock signal into the second-radio signal, and transmits the second-radio signal through the second-wireless channel.
摘要翻译： 磁共振成像装置包括探针单元和控制/成像单元。 探头单元包括将采样的磁共振信号转换为数字信号的转换器，将数字信号转换为第一无线电信号的第一发射机，第一接收机接收并对第二无线电信号执行检测， 以及时钟再生单元，从第一接收信号再生时钟分量，以产生再生时钟信号。 控制/成像单元包括接收第一无线电信号以获得第二接收信号的第二接收机，数据处理器与参考时钟信号同步地对第二接收信号执行数据处理以获得视频信号， 以及使用基准时钟信号对载波进行调制的第二发送器，将基准时钟信号转换为第二无线信号，并通过第二无线信道发送第二无线信号。
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公开(公告)号：US20100117649A1
公开(公告)日：2010-05-13
申请号：US12614943
申请日：2009-11-09
IPC分类号： G01R33/44
CPC分类号： G01R33/3692 , G01R33/3607 , G01R33/3621
摘要： An apparatus including a probe unit and a control/imaging unit, the probe unit including a converter converting a sampled magnetic-resonance signal into a digital signal, a first transmitter converting the digital signal into a first-radio signal, a first receiver receiving a second-radio signal, and performing detection on the second-radio signal to obtain a first-received signal, and a clock-regeneration unit regenerating a clock component from the first-received signal to generate a regenerated-clock signal, the control/imaging unit including a second-receiver receiving the first-radio signal to obtain a second-received signal, a data processor performing data processing on the second-received signal in synchronism with a reference-clock signal to obtain a video signal, and a second transmitter including a modulator modulating a carrier wave using the reference-clock signal, the second transmitter converting the reference-clock signal into the second-radio signal and transmitting the second-radio signal through the second-wireless channel.
摘要翻译： 一种包括探针单元和控制/成像单元的装置，所述探针单元包括将采样的磁共振信号转换为数字信号的转换器，将所述数字信号转换为第一无线电信号的第一发射机， 第二无线电信号，并且对第二无线电信号执行检测以获得第一接收信号，以及时钟再生单元，从第一接收信号再生时钟分量以产生再生时钟信号，控制/成像 单元，包括接收第一无线电信号的第二接收器以获得第二接收信号;数据处理器，与参考时钟信号同步地对第二接收信号执行数据处理，以获得视频信号;以及第二发射机 包括使用参考时钟信号调制载波的调制器，第二发射机将参考时钟信号转换成第二无线电信号并发送第 第二无线电信号通过第二无线信道。
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公开(公告)号：US07627047B2
公开(公告)日：2009-12-01
申请号：US11288112
申请日：2005-11-29
申请人： Makoto Tsuruta , Hidehiro Matsuoka , Hideo Kasami
发明人： Makoto Tsuruta , Hidehiro Matsuoka , Hideo Kasami
IPC分类号： H04K1/10
CPC分类号： H04B7/0874 , H04B7/084 , H04B7/0857 , H04L27/2657 , H04L27/2675
摘要： An OFDM receiver apparatus mounted on a movable object for receiving an OFDM signal, includes a plurality of directional antennas which receive an OFDM signal, an estimator to estimate a center frequency of a spectrum of a Doppler component from one of the received signals or a multiplexed signal obtained by multiplexing the received signals, a shift quantity calculator to calculate a shift quantity from the estimated center frequency of the estimator and directivity information representing directivity directions of the directional antennas, a plurality of frequency shifters to subject the received signals to frequency shift according to the shift quantity to compensate for Doppler shift, a combining unit to diversity-combine frequency shifted signals of the frequency shifters, and a demodulator/decoder to demodulate and decode combining diversity signals of the combining unit.
摘要翻译： 安装在用于接收OFDM信号的可移动物体上的OFDM接收机装置包括接收OFDM信号的多个定向天线，估计器，用于从接收信号之一估计多普勒分量的频谱的中心频率，或多路复用 通过多路复用接收信号获得的信号;移位量计算器，用于根据估计器的估计中心频率计算偏移量，以及指示方向性天线的方向性方向的方向性信息;多个频移器，用于使接收到的信号进行频移， 到用于补偿多普勒频移的移位量，用于对移频器的频移信号进行分集组合的组合单元，以及解调/解码器，对组合单元的组合分集信号进行解调和解码。
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