公开(公告)号：US07840201B2

公开(公告)日：2010-11-23

申请号：US11629349

申请日：2006-06-08

申请人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Takeshi Fujii

发明人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Takeshi Fujii

IPC分类号： H04B1/18 ,  H05K1/11

CPC分类号： H05K1/186 ,  H01L2224/16225 ,  H01L2924/00011 ,  H01L2924/00014 ,  H01L2924/15313 ,  H01L2924/19105 ,  H01L2924/19106 ,  H01L2924/3025 ,  H01L2924/3511 ,  H04B1/082 ,  H05K1/0237 ,  H05K3/3405 ,  H05K3/403 ,  H05K2201/10371 ,  H05K2203/061 ,  H05K2203/063 ,  H01L2224/0401

摘要： A communication module is provided in which its characteristic of separation between its first and second tuner units is improved. The module is equipped with a circuit board having a first main surface, and a second main surface opposite to the first main surface; a first amplifier arranged on the first main surface, for amplifying a first signal; a first mixer arranged on the first main surface, for converting a signal supplied from the first amplifier to an intermediate-frequency signal; a second amplifier for amplifying a second signal; and a mixer for converting a signal supplied from the second amplifier to an intermediate-frequency signal, both arranged on the second main surface of the circuit board.

摘要翻译： 提供了一种通信模块，其中其第一和第二调谐器单元之间的分离特性得到改善。 该模块配备有具有第一主表面的电路板和与第一主表面相对的第二主表面; 布置在所述第一主表面上的第一放大器，用于放大第一信号; 布置在第一主表面上的第一混合器，用于将从第一放大器提供的信号转换成中频信号; 用于放大第二信号的第二放大器; 以及混合器，用于将从第二放大器提供的信号转换成中间频率信号，两者都布置在电路板的第二主表面上。

公开(公告)号：US20090011726A1

公开(公告)日：2009-01-08

申请号：US11629349

申请日：2006-06-08

申请人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Takeshi Fujii

发明人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Takeshi Fujii

IPC分类号： H04B1/04

CPC分类号： H05K1/186 ,  H01L2224/16225 ,  H01L2924/00011 ,  H01L2924/00014 ,  H01L2924/15313 ,  H01L2924/19105 ,  H01L2924/19106 ,  H01L2924/3025 ,  H01L2924/3511 ,  H04B1/082 ,  H05K1/0237 ,  H05K3/3405 ,  H05K3/403 ,  H05K2201/10371 ,  H05K2203/061 ,  H05K2203/063 ,  H01L2224/0401

摘要： A communication module is provided in which its characteristic of separation between its first and second tuner units is improved. The module is equipped with circuit board (21) having a first main surface, and a second main surface opposite to the first main surface; a first amplifier arranged on the first main surface, for amplifying a first signal; a first mixer arranged on the first main surface, for converting a signal supplied from the first amplifier to an intermediate-frequency signal; and a second amplifier for amplifying a second signal; and a mixer for converting a signal supplied from the second amplifier to an intermediate-frequency signal, both arranged on the second main surface of circuit board (21).

摘要翻译： 提供了一种通信模块，其中其第一和第二调谐器单元之间的分离特性得到改善。 模块配备有具有第一主表面的电路板（21）和与第一主表面相对的第二主表面; 布置在所述第一主表面上的第一放大器，用于放大第一信号; 布置在第一主表面上的第一混合器，用于将从第一放大器提供的信号转换成中频信号; 以及第二放大器，用于放大第二信号; 以及混合器，用于将从第二放大器提供的信号转换为布置在电路板（21）的第二主表面上的中频信号。

公开(公告)号：US08145173B2

公开(公告)日：2012-03-27

申请号：US12159811

申请日：2007-11-21

申请人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yoshio Fuwa ,  Kazuyori Doumoto

发明人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yoshio Fuwa ,  Kazuyori Doumoto

IPC分类号： H04B1/10

CPC分类号： H04B7/082 ,  H04B7/0877

摘要： A receiver includes a first receiving section, a second receiving section, and a controller. A controller is operable to switch between a diversity receiving mode in which both of the first receiving section and the second receiving section are activated and a single receiving mode in which the first receiving section is activated while the second receiving section is deactivated. The controller allows the first mixer to heterodyne the signal output from the first RF amplifier with using the second oscillation signal and output the heterodyned signal in the first single receiving mode.

摘要翻译： 接收机包括第一接收部分，第二接收部分和控制器。 控制器可操作以在所述第一接收部分和所述第二接收部分被激活的分集接收模式和在所述第二接收部分被去激活时所述第一接收部分被激活的单个接收模式之间切换。 控制器允许第一混频器利用第二振荡信号对来自第一RF放大器的信号进行外差，并以第一单个接收模式输出外差信号。

公开(公告)号：US07532871B2

公开(公告)日：2009-05-12

申请号：US11517673

申请日：2006-09-08

申请人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yasuo Ooba

发明人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yasuo Ooba

IPC分类号： H04B1/18 ,  H04B7/08

CPC分类号： H04B1/0053 ,  H04B1/0064 ,  H04B7/12

摘要： A receiver includes (i) a first filter coupled to a first antenna and passing a signal in a first frequency band, (ii) a first receiver part for receiving the signal in the first frequency band from one of input terminals thereof coupled on the output side of the first filter, (iii) a second filter coupled to the first antenna and passing a signal in a second frequency band, and (iv) a second receiver part for receiving the signal in the second frequency band from one of input terminals thereof coupled on the output side of the second filter. The receiver makes diversity reception of a signal in a third frequency band received from the other input terminal of the first receiver part, and a signal in the third frequency band received from the other input terminal of the second receiver part.

摘要翻译： 接收机包括：（i）耦合到第一天线并在第一频带中传递信号的第一滤波器，（ii）第一接收器部分，用于从耦合在输出端的输入端之一接收第一频带中的信号 第一滤波器侧，（iii）耦合到第一天线并且传递第二频带中的信号的第二滤波器，以及（iv）第二接收器部分，用于从其输入端子之一接收第二频带中的信号 耦合在第二滤波器的输出侧。 接收机对从第一接收机部分的另一输入端接收的第三频带中的信号进行分集接收，并从第二接收机部分的另一输入端接收第三频带中的信号。

公开(公告)号：US20090203348A1

公开(公告)日：2009-08-13

申请号：US12159811

申请日：2007-11-21

申请人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yoshio Fuwa ,  Kazuyori Doumoto

发明人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yoshio Fuwa ,  Kazuyori Doumoto

IPC分类号： H04B1/16

CPC分类号： H04B7/082 ,  H04B7/0877

摘要： A receiver includes a first receiving section, a second receiving section, and a controller. A controller is operable to switch between a diversity receiving mode in which both of the first receiving section and the second receiving section are activated and a single receiving mode in which the first receiving section is activated while the second receiving section is deactivated. The controller allows the first mixer to heterodyne the signal output from the first RF amplifier with using the second oscillation signal and output the heterodyned signal in the first single receiving mode.

摘要翻译： 接收机包括第一接收部分，第二接收部分和控制器。 控制器可操作以在所述第一接收部分和所述第二接收部分被激活的分集接收模式和在所述第二接收部分被去激活时所述第一接收部分被激活的单个接收模式之间切换。 控制器允许第一混频器利用第二振荡信号对来自第一RF放大器的信号进行外差，并以第一单个接收模式输出外差信号。

公开(公告)号：US20100321114A1

公开(公告)日：2010-12-23

申请号：US12918419

申请日：2009-02-24

申请人： Eiji Okada ,  Daisuke Nishimura ,  Hiroaki Ozeki ,  Noriaki Saito ,  Susumu Fukushima

发明人： Eiji Okada ,  Daisuke Nishimura ,  Hiroaki Ozeki ,  Noriaki Saito ,  Susumu Fukushima

IPC分类号： H03G3/30

CPC分类号： H03G3/3068 ,  H03G3/3078

摘要： An amplifier circuit includes a variable gain amplifier that amplifies and outputs a signal from an output port, a controller operable to change an gain of the variable gain amplifier, a mixer that mixes the signal output from the output port of the variable gain amplifier with a local oscillating signal to heterodyne the signal and outputs the heterodyned signal, a filter that outputs a signal component having a predetermined frequency out of the signal output from the mixer, and a detector that detects a power level based on power of the signal output from the filter. The controller is operable to change the gain according to the first power level such that a quality level representing quality of the signal output from the filter becomes a target quality level immediately after the gain is changed. The amplifier circuit can have small power consumption.

摘要翻译： 放大器电路包括放大并输出来自输出端口的信号的可变增益放大器，可操作以改变可变增益放大器的增益的控制器，将从可变增益放大器的输出端口输出的信号与 本地振荡信号外差信号并输出​​外差信号;滤波器，其输出从混频器输出的信号中具有预定频率的信号分量;以及检测器，其基于从所述混频器输出的信号的功率来检测功率电平 过滤。 控制器可操作以根据第一功率电平改变增益，使得表示从滤波器输出的信号的质量的质量水平在增益改变之后立即成为目标质量水平。 放大器电路可以具有较小的功耗。

公开(公告)号：US20070060080A1

公开(公告)日：2007-03-15

申请号：US11517673

申请日：2006-09-08

申请人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yasuo Ooba

发明人： Daisuke Nishimura ,  Hiroaki Ozeki ,  Yasuo Ooba

IPC分类号： H04B17/02 ,  H04B1/18

CPC分类号： H04B1/0053 ,  H04B1/0064 ,  H04B7/12

摘要： A receiver includes (i) a first filter coupled to a first antenna and passing a signal in a first frequency band, (ii) a first receiver part for receiving the signal in the first frequency band from one of input terminals thereof coupled on the output side of the first filter, (iii) a second filter coupled to the first antenna and passing a signal in a second frequency band, and (iv) a second receiver part for receiving the signal in the second frequency band from one of input terminals thereof coupled on the output side of the second filter. The receiver makes diversity reception of a signal in a third frequency band received from the other input terminal of the first receiver part, and a signal in the third frequency band received from the other input terminal of the second receiver part.

摘要翻译： 接收机包括：（i）耦合到第一天线并在第一频带中传递信号的第一滤波器，（ii）第一接收器部分，用于从耦合在输出端的输入端之一接收第一频带中的信号 第一滤波器侧，（iii）耦合到第一天线并且传递第二频带中的信号的第二滤波器，以及（iv）第二接收器部分，用于从其输入端子之一接收第二频带中的信号 耦合在第二滤波器的输出侧。 接收机对从第一接收机部分的另一输入端接收的第三频带中的信号进行分集接收，并从第二接收机部分的另一输入端接收第三频带中的信号。

公开(公告)号：US20100311382A1

公开(公告)日：2010-12-09

申请号：US12867121

申请日：2009-04-16

申请人： Takashi Umeda ,  Hiroaki Ozeki ,  Yosuke Wada ,  Takeshi Fujii

发明人： Takashi Umeda ,  Hiroaki Ozeki ,  Yosuke Wada ,  Takeshi Fujii

IPC分类号： H04B15/00

CPC分类号： H03D7/165 ,  H04N5/455 ,  H04N5/46 ,  H04N21/42638 ,  H04N21/4382

摘要： Provided is a reception device that selectively receives an analog broadcast signal and a digital broadcast signal. The reception device includes: an oscillation unit operable to output an oscillator signal; a frequency conversion unit operable to output an IF (Intermediate Frequency) signal group based on the oscillator signal outputted from the oscillation unit and a reception signal; a filter unit connected to an output side of the frequency conversion unit; and a control unit operable to control a frequency of the oscillator signal outputted from the oscillation unit. The control unit controls: the frequency of the oscillator signal to be within a reception frequency band when receiving the digital broadcast signal; and the frequency of the oscillator signal to be outside the reception frequency band when receiving the analog broadcast signal. With this configuration, it is possible to improve reception quality when receiving an analog broadcast signal.

摘要翻译： 提供了选择性地接收模拟广播信号和数字广播信号的接收装置。 接收装置包括：振荡单元，用于输出振荡器信号; 频率转换单元，用于基于从振荡单元输出的振荡器信号和接收信号输出IF（中频）信号组; 连接到所述变频单元的输出侧的滤波器单元; 以及控制单元，用于控制从振荡单元输出的振荡器信号的频率。 控制单元控制：当接收到数字广播信号时，振荡器信号的频率在接收频带内; 并且当接收到模拟广播信号时，振荡器信号的频率在接收频带之外。 利用这种配置，可以在接收模拟广播信号时改善接收质量。

公开(公告)号：US20100260295A1

公开(公告)日：2010-10-14

申请号：US12159491

申请日：2007-11-08

申请人： Eiji Okada ,  Takeshi Fujii ,  Hiroaki Ozeki

发明人： Eiji Okada ,  Takeshi Fujii ,  Hiroaki Ozeki

IPC分类号： H04B1/10 ,  H03H11/04 ,  H04L27/00

CPC分类号： H04B1/1036 ,  H03H11/1252 ,  H03H11/1291 ,  H04W52/0238 ,  Y02D70/164 ,  Y02D70/40

摘要： Filter circuit includes Nth-order active filters switching circuit which switches shorting or non-shorting of active filter, and power-supply control circuit which controls such that a power supply of active filter is turned off when switching circuit shorts active filter. A receiver employing filter circuit turns off the power supply of active filter not needed when no interference wave exists within a given range from a desired frequency band. The foregoing structure allows lowering the power consumption of filter circuit.

摘要翻译： 滤波电路包括有源滤波器的短路或不短路的N阶有源滤波器开关电路，以及开关电路短路有源滤波器时有源滤波器的电源被切断的电源控制电路。 采用滤波电路的接收器在不期望频带的给定范围内不存在干扰波时，关闭不需要的有源滤波器的电源。 上述结构允许降低滤波电路的功耗。

公开(公告)号：US07733986B2

公开(公告)日：2010-06-08

申请号：US11572942

申请日：2006-06-08

申请人： Takeshi Fujii ,  Hiroaki Ozeki

发明人： Takeshi Fujii ,  Hiroaki Ozeki

IPC分类号： H03D3/24

CPC分类号： H04B1/28 ,  H03J2200/02 ,  H03J2200/07 ,  H03L7/193 ,  H04L27/2657 ,  H04L2027/0028 ,  H04L2027/0055 ,  H04L2027/0065

摘要： A receiver has a receiving unit including a PLL, a mixer, and a filter, and demodulating unit including a frequency error detector for detecting a frequency error in a signal from a filter. The PLL includes a local oscillator for supplying a local oscillation signal to a mixer, a variable frequency divider for frequency-dividing the local oscillation signal based on a signal from the frequency error detector, and a phase comparator for comparing a signal from the variable frequency divider with a signal from a crystal oscillator. The PLL can reduce the frequency error of the local oscillation signal.

摘要翻译： 接收机具有包括PLL，混频器和滤波器的接收单元，以及包括用于检测来自滤波器的信号中的频率误差的频率误差检测器的解调单元。 PLL包括用于向混频器提供本地振荡信号的本地振荡器，用于基于来自频率误差检测器的信号对本地振荡信号进行分频的可变分频器，以及用于比较来自可变频率的信号的相位比较器 分频器与来自晶体振荡器的信号。 PLL可以降低本地振荡信号的频率误差。