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71. 发明申请

US20060028271A1 HIGH EFFICIENCY AMPLIFICATION 有权
标题翻译：高效率放大
公开(公告)号：US20060028271A1
公开(公告)日：2006-02-09
申请号：US11161854
申请日：2005-08-19
申请人： Martin Wilson
发明人： Martin Wilson
IPC分类号： H03F1/00
CPC分类号： H03F1/0222 , H03F1/00 , H03F1/02 , H03F1/025 , H03F3/189 , H03F3/19 , H03F3/21 , H03F3/245 , H03F2200/102 , H03F2200/331 , H03F2200/451 , H03F2200/504 , H03F2200/511
摘要： There is disclosed a radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage.
摘要翻译：公开了一种射频放大级，包括：放大器，用于接收待放大的输入信号和电源电压; 以及用于提供所述电源电压的电源电压级，包括：用于提供表示所述输入信号的包络的参考信号的装置; 用于根据参考信号选择多个电源电压电平中的一个的装置; 以及用于产生经调整的所选择的电源电压的装置，包括用于放大参考信号与所选择的电源电压电平或所调整的所选电源电压电平之一之间的差的交流放大器，以及用于将所放大的差与所选择的电源电压相加的加法器供给电压，从而生成调整后的电源电压。

72. 发明授权

US06980831B2 Radio communication base state system including optical advanced base station 失效
标题翻译：无线电通信基站状态系统包括光纤高级基站
公开(公告)号：US06980831B2
公开(公告)日：2005-12-27
申请号：US10432356
申请日：2001-12-06
申请人： Toshimitsu Matsuyoshi , Kaoru Ishida , Hisashi Adachi
发明人： Toshimitsu Matsuyoshi , Kaoru Ishida , Hisashi Adachi
IPC分类号： H04B10/2575 , H04L12/28 , H04W88/08 , H04M1/00 , H03F1/00
CPC分类号： H04W88/08 , H04B10/25758 , H04W88/085 , Y02D70/46
摘要： A wireless communication base station system of the present invention includes a wireless key base station, an optical forward base station, and an optical transmitter which connects the wireless key base station and the optical forward base station to each other. An optical signal modulated by a signal component and that modulated by a distortion component are transmitted from the wireless key base station to the optical forward base station. In the optical forward base station, these optical signals are converted to high-frequency electrical signals, and the high-frequency signal consisting of the signal component is amplified. Thereafter, the amplified signal is combined with the high-frequency signal consisting of the distortion component with their phases opposite to each other, so that the distortion component include in the amplified signal is removed.
摘要翻译：本发明的无线通信基站系统包括无线密钥基站，光学前向基站和将无线密钥基站与光学前向基站相互连接的光发送器。由信号分量调制并由失真分量调制的光信号从无线键基站发送到光前向基站。在光学正向基站中，这些光信号被转换为高频电信号，由信号分量组成的高频信号被放大。此后，放大的信号与由相位相反的失真分量组成的高频信号组合，从而去除放大信号中的失真分量。

73. 发明授权

US06977541B2 Variable time constant circuit and filter circuit using the same 失效
标题翻译：可变时间常数电路和滤波电路使用相同
公开(公告)号：US06977541B2
公开(公告)日：2005-12-20
申请号：US10743949
申请日：2003-12-24
申请人： Daisuke Kurose , Tetsuro Itakura , Rui Ito
发明人： Daisuke Kurose , Tetsuro Itakura , Rui Ito
IPC分类号： H03F3/45 , G06G7/18 , H03F1/00 , H03F3/345 , H03H11/04 , H03H11/12 , H03H11/24 , H03H11/32 , H04B1/10
CPC分类号： H03H11/32 , H03F3/345 , H03F3/45475 , H03F2203/45511 , H03F2203/45512 , H03F2203/45592 , H03F2203/45652 , H03H11/1291 , H03H11/245
摘要： A variable time constant circuit includes an inverting amplifier which has an amplifier input terminal and an amplifier output terminal connected to a signal output terminal and inverts a signal inputted to the amplifier input terminal, a first and a second resistor which are connected in series between the signal input terminal and the amplifier input terminal, a capacitor connected between the amplifier input terminal and the amplifier output terminal, a field effect transistor including a gate terminal connected to a junction point of the first and second resistors, a source terminal kept at a constant potential, and a drain terminal connected to the amplifier input terminal, the transistor flowing a current through the drain terminal according to a voltage between the gate terminal and the source terminal, and a control circuit which controls a voltage-current conversion ratio of the transistor according to a time constant control signal.
摘要翻译：可变时间常数电路包括反相放大器，其具有放大器输入端和连接到信号输出端的放大器输出端，并且反相输入到放大器输入端的信号，第一和第二电阻串联在第信号输入端子和放大器输入端子，连接在放大器输入端子和放大器输出端子之间的电容器，场效应晶体管，其包括连接到第一和第二电阻器的接合点的栅极端子，源极端子保持恒定电位和连接到放大器输入端子的漏极端子，晶体管根据栅极端子和源极端子之间的电压流过漏极端子，以及控制电路，其控制晶体管的电压 - 电流转换比根据时间常数控制信号。

74. 发明授权

US06972622B2 Optimization of error loops in distributed power amplifiers 失效
标题翻译：分布式功率放大器误差环路优化
公开(公告)号：US06972622B2
公开(公告)日：2005-12-06
申请号：US10435815
申请日：2003-05-12
申请人： Donald G. Jackson , Russell J. Hoppenstein
发明人： Donald G. Jackson , Russell J. Hoppenstein
IPC分类号： H03F1/32 , H03F3/21 , H03F3/72 , H03F1/00
CPC分类号： H03F3/72 , H03F1/3229 , H03F3/211
摘要： Several feed-forward RF power amplifiers configured for use in a distributed array, each having a main amplifier within a carrier null loop and an error amplifier within an error loop. Each carrier null loop includes a switch configured to selectively disable the carrier null loop, thereby disabling the carrier null loop, and injecting an actual RF signal into the error loop allowing the error loop to be optimized using the actual RF signal.
摘要翻译：配置用于分布式阵列中的几个前馈RF功率放大器，每个具有载波零回路内的主放大器和误差环路内的误差放大器。每个载波空循环包括被配置为选择性地禁用载波空环路的开关，从而禁用载波空环路，并将实际的RF信号注入到误差环路中，从而允许使用实际RF信号优化误差环路。

75. 发明授权

US06958644B2 Active filter circuit with dynamically modifiable gain 失效
标题翻译：有源滤波电路具有动态可调增益
公开(公告)号：US06958644B2
公开(公告)日：2005-10-25
申请号：US10450650
申请日：2002-01-10
申请人： George Palaskas , Yannis Tsividis , Laszlo Toth
发明人： George Palaskas , Yannis Tsividis , Laszlo Toth
IPC分类号： H03B1/00 , H03F1/00 , H03G1/04 , H03G3/00 , H03G5/00 , H03G7/00 , H03H11/04 , H03H11/12 , H03K5/00
CPC分类号： H03G1/04 , H03G3/001 , H03G7/00 , H03H11/04 , H03H11/1252 , H03H11/1256 , H03H11/126 , H03H11/1291
摘要： A signal processing system (100) comprises an input terminal (102), and a main path having a main filter input gain unit (126) coupled to said input terminal (102), a main filter (132) and an output gain unit (138). An auxiliary path includes an auxiliary filter input gain unit (106) coupled to the input terminal (102), an auxiliary filter (112) and an auxiliary filter output gain unit (118). An adder (144) is coupled to the output gain units (118, 138) for generating an output signal to an output terminal (148). The gains of the gain units are adjusted by a control unit (18) responsive to a detecting signal from a detector (160).
摘要翻译：信号处理系统（100）包括输入端（102），以及具有耦合到所述输入端（102）的主滤波器输入增益单元（126）的主路径，主滤波器（132）和输出增益单元 138）。辅助路径包括耦合到输入端子（102）的辅助滤波器输入增益单元（106），辅助滤波器（112）和辅助滤波器输出增益单元（118）。加法器（144）耦合到输出增益单元（118,138），用于产生到输出端子（148）的输出信号。响应于来自检测器（160）的检测信号，控制单元（18）调整增益单元的增益。

76. 发明申请

US20050200387A1 Method for RIAA correction without capacitors in correcting circuits 审中-公开
标题翻译：校正电路中没有电容器的RIAA校正方法
公开(公告)号：US20050200387A1
公开(公告)日：2005-09-15
申请号：US10898013
申请日：2004-07-22
申请人： Alexander Sokolov
发明人： Alexander Sokolov
IPC分类号： H03F1/00 , H03K5/153
CPC分类号： H03F1/3264 , H03F3/181 , H03F2200/534 , H03F2200/537
摘要： RIAA correction of electrical signals without the use of capacitors in a correction circuit is disclosed. A transformer is used with two or more windings, including at least two secondary windings are loaded on resistive circuits to form frequency correction. Additional inductors are installed in series with each of the secondary windings or with just one of the secondary windings.
摘要翻译：公开了在校正电路中不使用电容器的电信号的RIAA校正。变压器与两个或多个绕组一起使用，包括至少两个次级绕组被加载在电阻电路上以形成频率校正。附加的电感器与每个次级绕组或仅一个次级绕组串联安装。

77. 发明申请

US20050140434A1 Inductor element containing circuit board and power amplifier module 失效
标题翻译：电感元件电路板和功率放大器模块
公开(公告)号：US20050140434A1
公开(公告)日：2005-06-30
申请号：US11010327
申请日：2004-12-14
申请人： Toshiyuki Abe , Yoshihiro Suzuki , Masashi Katsumata
发明人： Toshiyuki Abe , Yoshihiro Suzuki , Masashi Katsumata
IPC分类号： H01L23/12 , H03F3/195 , H03F3/60 , H03G3/30 , H05K1/02 , H05K1/16 , H05K3/24 , H05K3/46 , H03F1/00
CPC分类号： H05K1/0265 , H01L2924/1423 , H03F3/195 , H03F2200/294 , H05K1/165 , H05K3/243 , H05K3/4644 , H05K2201/0352 , H05K2201/09736 , H05K2201/09881 , H05K2203/0542
摘要： An inductor element containing circuit board of the present invention comprises a plurality of conductive layers, and a conductor having an inductor function (inductor conductor segment) in one or more of the conductive layers, wherein at least part of the inductor conductor segment is made thicker than other conductors disposed within the circuit board. The at least part of the inductor conductor segment extends through an insulating layer disposed between the conductive layers, or is embedded in the insulating layer, wherein the part of the inductor conductor segment has a thickness one-half or more the thickness of the insulating layer. A power amplifier module of the present invention comprises the multi-layer circuit board, a semiconductor amplifier fabricated in the multi-layer circuit board, and an impedance matching circuit coupled to the output of the semiconductor amplifier. The impedance matching circuit has a portion thereof formed of the inductor conductor segment.
摘要翻译：本发明的电感器元件电路板包括多个导电层，以及在一个或多个导电层中具有电感器功能（电感器导体段）的导体，其中电感器导体段的至少一部分变厚而不是设置在电路板内的其它导线。电感器导体段的至少一部分延伸穿过设置在导电层之间的绝缘层，或者嵌入在绝缘层中，其中电感器导体段的一部分具有绝缘层的厚度的一半或更多的厚度。本发明的功率放大器模块包括多层电路板，在多层电路板中制造的半导体放大器和耦合到半导体放大器的输出的阻抗匹配电路。阻抗匹配电路具有由电感器导体段形成的部分。

78. 发明申请

US20050134378A1 Input structure for a power amplifier and associated methods 有权
标题翻译：功率放大器的输入结构及相关方法
公开(公告)号：US20050134378A1
公开(公告)日：2005-06-23
申请号：US10743220
申请日：2003-12-22
申请人： Alan Westwick , Timothy Dupuis , Susanne Paul
发明人： Alan Westwick , Timothy Dupuis , Susanne Paul
IPC分类号： H03F1/00 , H03F1/30 , H03F3/26 , H03F3/68
CPC分类号： H03F3/265 , H03F1/301 , H03F3/68
摘要： A method and apparatus provides an input structure for a power amplifier. In one example, the input structure has an input network and a predriver circuit to provide an input signal to the power amplifier. The input network includes a transformer for helping to maintain a constant input impedance. The predriver includes a limiting amplifier that provides isolation between the power amplifier and the RF input. A DC feedback circuit is used by the predriver that maintains the DC level of the inverters to a desired level.
摘要翻译：方法和装置提供功率放大器的输入结构。在一个示例中，输入结构具有输入网络和预驱动电路，以向功率放大器提供输入信号。输入网络包括用于帮助保持恒定输入阻抗的变压器。预驱动器包括限幅放大器，可在功率放大器和RF输入之间提供隔离。预驱动器使用DC反馈电路，将逆变器的直流电平维持在期望的水平。

79. 发明申请

US20050088329A1 Output circuit, digital analog circuit and display device 有权
标题翻译：输出电路，数字模拟电路和显示设备
公开(公告)号：US20050088329A1
公开(公告)日：2005-04-28
申请号：US10970706
申请日：2004-10-21
申请人： Hiroshi Tsuchi
发明人： Hiroshi Tsuchi
IPC分类号： G02F1/133 , G09G3/20 , G09G3/26 , G09G3/36 , H03F1/00 , H03F3/45 , H03K19/00 , H03M1/00 , H03M1/66 , H03M1/76
CPC分类号： G09G3/3696 , G09G3/3688 , G09G2310/027 , H03M1/765
摘要： A selection circuit receives a plural number (m) of respective different values of voltages as reference voltages to select and output two voltages. An amplifier receives at two input terminals the two reference voltages output from the selection circuit to output an output voltage extrapolated from the two input terminal voltages.
摘要翻译：选择电路接收多个（m）个不同的电压值作为参考电压，以选择和输出两个电压。放大器在两个输入端接收从选择电路输出的两个参考电压，以输出从两个输入端电压外推的输出电压。

80. 发明申请

US20050084120A1 System, circuit, and amplifier for reducing pop sound 有权
标题翻译：用于减少流行音乐的系统，电路和放大器
公开(公告)号：US20050084120A1
公开(公告)日：2005-04-21
申请号：US10953435
申请日：2004-09-29
申请人： Kohichi Hagino
发明人： Kohichi Hagino
IPC分类号： H03F1/00 , H03F1/30 , H03F99/00 , H03F21/00
CPC分类号： H03F1/305
摘要： An audio power amplifier includes a differential amplifier circuit that serves as an input circuit. The differential amplifier circuit includes a signal ground terminal that receives a signal ground voltage, and an audio signal input terminal that receives an audio signal. A signal ground voltage generation circuit is provided to output the signal ground voltage. The signal ground voltage generation circuit includes a voltage follower amplifier that outputs a current, a reference voltage source that is input to the voltage follower amplifier, and a current control circuit that controls the current output from the voltage follower amplifier. The signal ground voltage rises in a prescribed manner while suppressing a pop sound during its transition.
摘要翻译：音频功率放大器包括用作输入电路的差分放大器电路。差分放大电路包括接收信号接地电压的信号接地端子和接收音频信号的音频信号输入端子。提供信号接地电压产生电路以输出信号接地电压。信号接地电压产生电路包括输出电流的电压跟随放大器，输入到电压跟随放大器的参考电压源，以及控制从电压跟随放大器输出的电流的电流控制电路。信号接地电压以规定的方式上升，同时抑制其转换期间的流行声音。

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