Radio communication equipment
    1.
    发明专利
    Radio communication equipment 审中-公开
    无线电通信设备

    公开(公告)号:JP2011124840A

    公开(公告)日:2011-06-23

    申请号:JP2009281459

    申请日:2009-12-11

    发明人: KAWADA TOSHIHIKO

    IPC分类号: H04B1/04 H03G3/20

    摘要: PROBLEM TO BE SOLVED: To maintain successful ACP characteristics even when the number of carriers changes with time.
    SOLUTION: Radio communication equipment transmits a transmission signal in a predetermined frequency band, and includes: a power amplifier for amplifying a multicarrier transmission signal; a storage part which preliminarily stores bias setting data showing correspondence relation between a transmission output setting value of the transmission signal set based on adjacent channel leakage power characteristics and a bias voltage setting value of the power amplifier, and carrier number correction data showing correspondence relation between the number of subcarriers for transmitting the transmission signal and a carrier number correction value of the transmission output setting value; and a control part which obtains a carrier number correction value corresponding to the number of subcarriers which attempt to transmit the transmission signal from the carrier number correction data, corrects the transmission output setting value using the obtained carrier number correction value, and determines the bias voltage setting value corresponding to the transmission output setting value after correction by the carrier number correction value based on the bias setting data.
    COPYRIGHT: (C)2011,JPO&INPIT

    摘要翻译: 要解决的问题:即使当载波数量随时间变化时,也能保持成功的ACP特性。 解决方案:无线通信设备以预定频带发送发送信号,并且包括:功率放大器,用于放大多载波发送信号; 存储部,其预先存储表示基于相邻信道泄漏功率特性设定的发送信号的发送输出设定值与功率放大器的偏置电压设定值之间的对应关系的偏置设定数据,以及表示功率放大器的对应关系的载波号校正数据 用于发送发送信号的子载波的数量和发送输出设定值的载波号校正值; 以及控制部,其从载波号校正数据中求出与试图发送发送信号的副载波数相对应的载波号校正值,使用所获得的载波号校正值来校正发送输出设定值,并且确定偏置电压 基于偏置设定数据,通过载波号校正值对应于校正后的发送输出设定值的设定值。 版权所有(C)2011,JPO&INPIT

    Wireless communication device and transmission control method
    2.
    发明专利
    Wireless communication device and transmission control method 有权
    无线通信设备和传输控制方法

    公开(公告)号:JP2009100446A

    公开(公告)日:2009-05-07

    申请号:JP2008190885

    申请日:2008-07-24

    发明人: KAWADA TOSHIHIKO

    IPC分类号: H04B1/04 H03G3/20 H03G3/30

    摘要: PROBLEM TO BE SOLVED: To provide a wireless communication device and a transmission control method which allow an optimum ACP to be always maintained in transmitting each transmission output.
    SOLUTION: A transmission output acquiring section 13 acquires the transmission output when modulating signals amplified by a power amplifier are transmitted. A storage section 15 stores a bias setting table which associates bias voltage of the power amplifier set up based on an ACP property with the transmission output. A control section 14 controls to set up the bias voltage corresponding to the acquired transmission output using the bias setting table stored in the storage section 15, when a transmission output value is acquired by the transmission output acquiring section 13.
    COPYRIGHT: (C)2009,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种无线通信设备和传输控制方法,其允许在发送每个传输输出时始终保持最佳ACP。 解决方案:当发送调制由功率放大器放大的信号时,发送输出获取部分13获取发送输出。 存储部15存储将基于ACP特性的功率放大器的偏置电压与发送输出相关联的偏置设定表。 当通过发送输出获取部分13获取发送输出值时,控制部分14控制使用存储在存储部分15中的偏置设置表来设置与所获取的发送输出相对应的偏置电压。

    COPYRIGHT :(( C)2009年,JPO&INPIT

    Communication apparatus
    3.
    发明专利
    Communication apparatus 有权
    通讯设备

    公开(公告)号:JP2007266854A

    公开(公告)日:2007-10-11

    申请号:JP2006087466

    申请日:2006-03-28

    摘要: PROBLEM TO BE SOLVED: To provide a communication apparatus, wherein oscillation of a power amplifier that is a new problem caused by provision of a conductor for suppressing the effects of noise on a chip antenna. SOLUTION: The communication apparatus, wherein the chip antenna 2 for acquiring a radio wave with a desired frequency, an RF circuit 3 for down-converting the frequency of the received signal from the chip antenna 2, and a digital circuit 4 for applying demodulation processing to the down-converted received signal received from the RF circuit 3 are mounted on a printed wiring board 1, includes a conductor 5, extended between the chip antenna 2 and the digital circuit 4 to a position of a prescribed height from the printed wiring board 1, and one end of which is connected to a ground conductor of the printed wiring board 1; and a radio wave absorbing body 13 attached to the conductor 5. COPYRIGHT: (C)2008,JPO&INPIT

    摘要翻译: 解决的问题:提供一种通信装置,其中由于提供用于抑制芯片天线上的噪声的影响的导体引起的新问题的功率放大器的振荡。 解决方案:通信装置,其中用于获取具有期望频率的无线电波的芯片天线2,用于对来自芯片天线2的接收信号的频率进行下变频的RF电路3和用于 对从RF电路3接收的下变频接收信号进行解调处理安装在印刷电路板1上,包括在芯片天线2和数字电路4之间延伸到规定高度的位置的导体5 印刷电路板1,其一端连接到印刷电路板1的接地导体; 以及附着在导体5上的无线电波吸收体13.(C)2008,JPO&INPIT

    Band limiting circuit and method of manufacturing the same
    4.
    发明专利
    Band limiting circuit and method of manufacturing the same 审中-公开
    带限制电路及其制造方法

    公开(公告)号:JP2007005863A

    公开(公告)日:2007-01-11

    申请号:JP2005180268

    申请日:2005-06-21

    发明人: KAWADA TOSHIHIKO

    IPC分类号: H03H11/04

    摘要: PROBLEM TO BE SOLVED: To flatten a frequency-gain characteristic in a used band of an output signal in a band limiting circuit including an operational amplifier and a band pass filter.
    SOLUTION: The band limiting circuit 1 includes the operational amplifier 2 for amplifying a signal, and the band pass filter 4 for limiting passing of a frequency component other than the used band of the frequency component of the signal. The circuit 1 changes a gain increase/decrease rate for the frequency of the used band in the operational amplifier 2 in response to a signal to be output from the circuit 1.
    COPYRIGHT: (C)2007,JPO&INPIT

    摘要翻译: 要解决的问题:在包括运算放大器和带通滤波器的带限制电路中,使输出信号的使用频带中的频率增益特性变平。 解决方案:频带限制电路1包括用于放大信号的运算放大器2和用于限制除了信号频率分量的使用频带之外的频率分量的通过的带通滤波器4。 电路1响应于从电路1输出的信号,改变运算放大器2中所使用频带的频率的增益/增减率。(C)2007,JPO和INPIT

    無線通信機器
    5.
    发明专利
    無線通信機器 有权
    无线电通信设备

    公开(公告)号:JP2015046831A

    公开(公告)日:2015-03-12

    申请号:JP2013178145

    申请日:2013-08-29

    IPC分类号: H04B1/10 H04B1/16

    摘要: 【課題】本発明は、受信した信号の変調精度の劣化(ベクトルエラーの増大)を低減する無線通信機器を提供することを目的とする。【解決手段】本発明の携帯電話機1は、受信した信号のうち妨害信号を減衰させるフィルタ(IFフィルタ135、アクティブフィルタ138)と、受信した信号についてフィルタ(IFフィルタ135、アクティブフィルタ138)を経由させた上でDU比を測定し、受信した信号についてフィルタ(IFフィルタ135、アクティブフィルタ138)を経由させずにDU比を測定し、互いのDU比の差分が所定値以内である場合には、以後、受信した信号についてフィルタ(IFフィルタ135、アクティブフィルタ138)を経由させないようにフィルタ(IFフィルタ135、アクティブフィルタ138)を制御する制御部150と、を備える。【選択図】図1

    摘要翻译: 要解决的问题:提供一种降低接收信号的调制精度(矢量误差增大)的劣化的无线通信装置。解决方案:本发明的移动电话1包括:滤波器(IF滤波器135,有源滤波器138 )衰减接收信号中的干扰信号; 以及控制单元150,其测量接收信号在通过滤波器(IF滤波器135,有源滤波器138)之后的DU比,测量接收信号的DU比,而不使它们通过滤波器(IF滤波器135 ,有源滤波器138)。 如果DU比之间的差值在规定值内,则在控制单元150控制滤波器(IF滤波器135,有源滤波器138)之后,使得滤波器(IF滤波器135,有源滤波器138)不会使接收到​​的信号 经过他们

    Radio communication equipment
    6.
    发明专利
    Radio communication equipment 审中-公开
    无线电通信设备

    公开(公告)号:JP2013085097A

    公开(公告)日:2013-05-09

    申请号:JP2011223254

    申请日:2011-10-07

    发明人: KAWADA TOSHIHIKO

    IPC分类号: H04B1/04

    摘要: PROBLEM TO BE SOLVED: To suppress degradation of signal quality while significantly suppressing vicinity spurious.SOLUTION: Radio equipment 100 can connect a spurious attenuation filter 140. The spurious attenuation filter 140 removes vicinity spurious included in a transmission signal. The radio equipment 100 includes a storage section 114, a temperature detection section 130, and a correction processing section 112. The storage section 114 stores a filter characteristic correspondingly to temperatures. The filter characteristic relates to a phase delay corresponding to a frequency of the spurious attenuation filter 140. A correction processing section 112 corrects a transmission signal on the basis of the filter characteristic stored in the storage section 114.

    摘要翻译: 要解决的问题:抑制信号质量的降低,同时显着抑制附近的杂散。 解决方案:无线电设备100可以连接寄生衰减滤波器140.伪衰减滤波器140去除发射信号中包括的附近杂散。 无线电设备100包括存储部分114,温度检测部分130和校正处理部分112.存储部分114存储对应于温度的滤波器特性。 滤波器特性涉及对应于伪衰减滤波器140的频率的相位延迟。校正处理部分112基于存储在存储部分114中的滤波器特性校正发送信号。(C) 2013年,JPO&INPIT

    Radio communication equipment
    7.
    发明专利
    Radio communication equipment 审中-公开
    无线电通信设备

    公开(公告)号:JP2011071834A

    公开(公告)日:2011-04-07

    申请号:JP2009222284

    申请日:2009-09-28

    发明人: KAWADA TOSHIHIKO

    IPC分类号: H04B1/04

    摘要: PROBLEM TO BE SOLVED: To provide radio communication equipment capable of maintaining successful ACP (adjacent channel leakage power) characteristics without depending on a transmission frequency and suppressing the deterioration of signal quality.
    SOLUTION: The radio communication equipment transmits a transmission signal in a predetermined frequency band, and is provided with: a power amplifier which amplifies the transmission signal; a storage part which preliminarily stores bias setting data showing a correspondence relation between a transmission output setting value and a bias voltage setting value set based on adjacent channel leakage power characteristics and frequency correction data showing a correspondence relation between a transmission frequency setting value and a frequency correction value of the transmission output setting value; and a control part which acquires the frequency correction value corresponding to the present transmission frequency setting value from the frequency correction data, corrects the present transmission output setting value using the acquired frequency correction value, and determines a bias voltage setting value corresponding to the transmission output setting value after correction based on the bias setting data.
    COPYRIGHT: (C)2011,JPO&INPIT

    摘要翻译: 要解决的问题:提供能够保持ACP成功(相邻信道泄漏功率)特性的无线电通信设备,而不依赖于传输频率并抑制信号质量的恶化。 解决方案:无线电通信设备以预定的频带发送发送信号,并且具有:放大发送信号的功率放大器; 存储部,预先存储表示发送输出设定值与基于相邻信道泄漏功率特性设定的偏置电压设定值的对应关系的偏置设定数据,以及表示发送频率设定值与频率之间的对应关系的频率校正数据 传输输出设定值的修正值; 以及控制部,其从所述频率校正数据获取与所述当前的发送频率设定值对应的频率校正值,使用所获取的频率校正值来校正所述当前的发送输出设定值,并且确定与所述发送输出对应的偏置电压设定值 基于偏置设定数据进行校正后的设定值。 版权所有(C)2011,JPO&INPIT

    Agc circuit, radio equipment employing the same, and control method of agc circuit
    8.
    发明专利
    Agc circuit, radio equipment employing the same, and control method of agc circuit 审中-公开
    AGC电路,使用其的无线电设备以及AGC电路的控制方法

    公开(公告)号:JP2010081568A

    公开(公告)日:2010-04-08

    申请号:JP2008301126

    申请日:2008-11-26

    发明人: KAWADA TOSHIHIKO

    摘要: PROBLEM TO BE SOLVED: To provide an AGC (Automatic Gain Control) circuit performing stable temperature control by reducing errors, caused by the temperature correction for gain characteristics of AGC amplifiers.
    SOLUTION: The AGC circuit 11 includes a plurality of AGC amplifiers 12, 13 arrayed in series and controls in parallel gains of the plurality of AGC amplifiers 12, 13 in accordance with a common AGC voltage. The AGC circuit 11 further includes a linearity correction circuit 14 for correcting the AGC voltage in such a way that output characteristics from the plurality of AGC amplifiers 12, 13 become linear with respect to the AGC voltage.
    COPYRIGHT: (C)2010,JPO&INPIT

    摘要翻译: 要解决的问题:提供通过降低由AGC放大器的增益特性的温度校正引起的误差来执行稳定温度控制的AGC(自动增益控制)电路。 解决方案:AGC电路11包括串联排列的多个AGC放大器12,13,并根据公共AGC电压控制多个AGC放大器12,13的并联增益。 AGC电路11还包括用于校正AGC电压的线性校正电路14,使得来自多个AGC放大器12,13的输出特性相对于AGC电压成线性。 版权所有(C)2010,JPO&INPIT

    Electronic apparatus equipment
    9.
    发明专利
    Electronic apparatus equipment 审中-公开
    电子设备设备

    公开(公告)号:JP2006253238A

    公开(公告)日:2006-09-21

    申请号:JP2005064641

    申请日:2005-03-08

    发明人: KAWADA TOSHIHIKO

    IPC分类号: H05K9/00

    摘要: PROBLEM TO BE SOLVED: To provide electronic apparatus equipment which inhibits the radiation of an unnecessary electromagnetic wave in a projection member and noise generation by an unnecessary electromagnetic wave from the outside by suppressing a signal current leaked from an electronic part by a simple structure.
    SOLUTION: The electronic apparatus equipment configured by mounting the electronic part 1 in a conductive housing 10 has a conductive projection member 11 which projects and is formed on the external surface of the housing 10; and a conductive counter member 12 which is electrically connected at one end with the projection member 11 and arranged opposite to the other end to the projection member 11 in a state of a movable end, and can generate an electric field between the projection member 11 in cooperating with the projection member 11. The counter member 12 constitutes so that electric field strength in the movable end of the other end may be maximum when the electric field is formed between it and the projection member 11.
    COPYRIGHT: (C)2006,JPO&NCIPI

    摘要翻译: 要解决的问题:提供一种电子设备设备,其通过简单地抑制从电子部件泄漏的信号电流来抑制投影部件中的不必要的电磁波的辐射和来自外部的不必要的电磁波的噪声产生 结构体。 解决方案:通过将电子部件1安装在导电壳体10中而构成的电子设备设备具有突出并形成在壳体10的外表面上的导电突出部件11; 以及在一端与突出构件11电连接并且在可动端的状态下与另一端相对配置到突出构件11的导电计数构件12,并且可以在突出构件11之间产生电场 相反构件12构成为当在其与突出构件11之间形成电场时,另一端的可动端的电场强度可以是最大的。(C) 2006年,JPO&NCIPI

    Electronic apparatus and shield case
    10.
    发明专利
    Electronic apparatus and shield case 有权
    电子设备和屏蔽盒

    公开(公告)号:JP2013258378A

    公开(公告)日:2013-12-26

    申请号:JP2012135106

    申请日:2012-06-14

    IPC分类号: H05K9/00

    摘要: PROBLEM TO BE SOLVED: To provide an electronic apparatus which improves the shielding against noise caused by electromagnetic waves.SOLUTION: An electronic apparatus includes: a circuit board 10 on which electronic components 11, 12 are mounted; and a shield case 20 attached to the circuit board 10. The shield case 20 includes: a frame member 210 which is attached to the circuit board 10 so as to enclose the electronic components 11, 12; and a lid member 220 that is attached to the frame member 210 so as to cover the side opposite to the circuit board 10. The frame member 210 includes: an outer wall part 211 enclosing the electronic components 11, 12; and a bridge part 212 partitioning an internal region of the outer wall part 211. In the lid member 220, an opening 221 is formed at a region corresponding to the bridge part 212.

    摘要翻译: 要解决的问题:提供一种改善对电磁波产生的噪声的屏蔽的电子设备。解决方案:电子设备包括:电路板10,其上安装有电子部件11,12; 以及附接到电路板10的屏蔽壳20.屏蔽壳20包括:框架构件210,其附接到电路板10以包围电子部件11,12; 以及盖构件220,其被附接到框架构件210以覆盖与电路板10相对的一侧。框架构件210包括:封闭电子部件11,12的外壁部211; 以及分隔外壁部211的内部区域的桥接部212.在盖构件220中,在对应于桥接部212的区域形成有开口部221。