| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | 压控放大器以及使用压控放大器的方法 | CN201410096153.0 | 2014-03-14 | CN104113294A | 2014-10-22 | 艾里克·门登霍尔; 贾里德·亨廷顿 |
| 提出了一种简化的压控放大器(VCA)以及使用压控放大器的方法。与现有基于OTA的VCA相比，本发明的VCA使用更少的组件并且不那么复杂。此外，与现有VCA相比，本发明的VCA具有改善的总谐波失真(THD)和DC偏移特性。通过添加截断检测电路，VCA可以用于防止截断。 | ||||||
| 2 | 耦合器、电子部件以及电子部件的制造方法 | CN201380011244.3 | 2013-02-22 | CN104145367B | 2016-08-24 | 须贺武; 藤原俊康 |
| 本发明的耦合器抑制导体膜与电阻膜的接触电阻并减少由频率引起的衰减量的差异。耦合器(1A)具备分别被设置于基板(基板(K1)、平坦化膜(H0)以及绝缘膜(H01))上的输入端子以及输出端子、被设置于基板上并且一端被连接于输入端子且另一端被连接于输出端子的主线路、包含分别被设置于基板上的导体膜(M1)以及电阻膜(R1)并且在导体膜(M1)的一部分上与主线路相电磁耦合的副线路，导体膜(M1)具有配线图形(L23,L25)，电阻膜(R1)具有包含以嵌入于配线图形(L23)与基板之间的形式被配置的端部(R13a)和以嵌入于配线图形(L25)与基板之间的形式被配置的端部(R13b)的电阻膜图形(R13)，端部(R13a,R13b)分别至少在上表面以及端面上接触于导体膜(M1)。 | ||||||
| 3 | 耦合器、电子部件以及电子部件的制造方法 | CN201380011244.3 | 2013-02-22 | CN104145367A | 2014-11-12 | 须贺武; 藤原俊康 |
| 本发明的耦合器抑制导体膜与电阻膜的接触电阻并减少由频率引起的衰减量的差异。耦合器(1A)具备分别被设置于基板(基板(K1)、平坦化膜(H0)以及绝缘膜(H01))上的输入端子以及输出端子、被设置于基板上并且一端被连接于输入端子且另一端被连接于输出端子的主线路、包含分别被设置于基板上的导体膜(M1)以及电阻膜(R1)并且在导体膜(M1)的一部分上与主线路相电磁耦合的副线路，导体膜(M1)具有配线图形(L23,L25)，电阻膜(R1)具有包含以嵌入于配线图形(L23)与基板之间的形式被配置的端部(R13a)和以嵌入于配线图形(L25)与基板之间的形式被配置的端部(R13b)的电阻膜图形(R13)，端部(R13a,R13b)分别至少在上表面以及端面上接触于导体膜(M1)。 | ||||||
| 4 | 信号处理装置和方法、程序以及数据记录介质 | CN201180004404.2 | 2011-09-06 | CN102598505A | 2012-07-18 | 辻实; 知念徹 |
| 本发明涉及一种信号处理装置和方法、一种程序和一种数据记录介质，它们被配置成使得能够容易地和有效地增强音频信号的播放水平而不需要预先分析。分析器(21)生成具有所提供的音频信号的给定区间中的样本的均方根的形式的映射控制信息。映射处理器(22)将所取得的映射控制信息确定的非线性函数取为映射函数，并且使用该映射函数对所提供的音频信号进行幅度转换。这样，通过使用根据音频信号的各个区间中的特性改变的非线性函数进行音频信号的幅度转换，能够容易地和有效地增强音频信号的播放水平而不需要预先分析。本发明可以应用于便携式播放装置。 | ||||||
| 5 | 高频功率放大器电路与用于高频功率放大器的电子部件 | CN200410085267.1 | 2004-10-18 | CN1610251A | 2005-04-27 | 弦卷宏和; 长井浩之; 古屋富男; 石川诚 |
| 在使用一种电流镜方法向放大FET提供偏压的高频功率放大器电路中，能够自动校正因FET沟道杂质浓度的耗散所导致的临界电压Vth的耗散、以及因短沟道效应所导致的临界电压Vth和沟道长度调制系数λ的耗散所产生的一个偏压点的偏移，并且能够减小高频功率放大特性的耗散。在使用一种电流镜方法向放大放大FET提供偏压的高频功率放大器电路中，电流模拟晶体管拥有与放大晶体管相同的沟道长度或基极宽度，并且按与放大晶体管相同的工艺加以形成。一个偏压生成电路，用于把一个根据施加于晶体管的电流所形成的一个电压与一个由把来自恒流电路的电流转换成电压的电流－电压转换元件所生成的一个参考电压加以比较，并向所述放大晶体管和电流模拟晶体管提供一个能够禁止放大晶体管的无功电流因短沟道效应或早期效应而变化的偏压。 | ||||||
| 6 | VARIABLE GAIN AMPLIFIER | EP16895370.1 | 2016-03-23 | EP3419164A1 | 2018-12-26 | TSUTSUMI, Koji; FUJIWARA, Takanobu; KATO, Atsushi; INABE, Shinichi |
A variable gain amplifier (1) includes: a signal transmission circuit (10, 20) including amplifying transistor units (111 to 11N, and 211 to 21N) connected in parallel between a signal input port (2P, 2N) and a signal output port (3P, 3N); a load circuit (40) connected between a supply line of power supply voltage (VDD) and an output end of the signal transmission circuit (10, 20); a signal short circuit (30) including a short-circuit transistor unit (31) connected between the supply line of the power supply voltage (VDD) and an input end of the signal transmission circuit (10, 20), a constant-current source circuit (42), and a transistor control circuit (46). The transistor control circuit (46) selects transistor units to be turned on, from among the amplifying transistor units (111 to 11N, and 211 to 21N) and the short-circuit transistor unit (31), and supplies control voltages for turning on the selected transistor units. |
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| 7 | REVERSE CURRENT PREVENTION | EP14706147.7 | 2014-01-21 | EP2949040B1 | 2018-10-17 | MATHE, Lennart Karl-Axel; RUTKOWSKI, Joseph D.; SHI, Song S. |
| Techniques for preventing reverse current in applications wherein a tracking supply voltage is placed in parallel with a switching power stage. The tracking supply voltage may be boosted to a level higher than a battery supply voltage using, e.g., a boost converter. In an aspect, a negative current detection block is provided to detect negative current flow from the boosted tracking supply voltage to the battery supply voltage. A high-side switch of the switching power stage may be disabled in response to detecting the negative current. To prevent false tripping, the tracking supply voltage may be further compared with the battery supply voltage, and a latch may be provided to further control the high-side switch. | ||||||
| 8 | SIGNAL PROCESSING DEVICE AND METHOD, PROGRAM, AND DATA RECORDING MEDIUM | EP11823574.6 | 2011-09-06 | EP2615736B1 | 2018-08-08 | TSUJI Minoru; CHINEN Toru |
| The present invention relates to a signal processing apparatus and method, a program, and a data recording medium configured such that the playback level of an audio signal can be easily and effectively enhanced without requiring prior analysis. An analyzer 21 generates mapping control information in the form of the root mean square of samples in a given segment of a supplied audio signal. A mapping processor 22 takes a nonlinear function determined by the mapping control information taken as a mapping function, and conducts amplitude conversion on a supplied audio signal using the mapping function. In this way, by conducting amplitude conversion of an audio signal using a nonlinear function that changes according to the characteristics in respective segments of an audio signal, the playback level of an audio signal can be easily and effectively enhanced without requiring prior analysis. The present invention may be applied to portable playback apparatus. | ||||||
| 9 | TRANSMISSION MODULE, ARRAY ANTENNA DEVICE PROVIDED WITH SAME, AND TRANSMISSION DEVICE | EP16824092.7 | 2016-01-28 | EP3324202A1 | 2018-05-23 | NONOMURA, Hiroyuki |
A transmission module (30) includes n oscillator modules (50) and a phase command signal generator (40). Each of the oscillator modules (50) includes a voltage controlled oscillator (60) and an amplification circuit (70). The voltage controlled oscillators (60) output transmission high-frequency signals having the same frequency and synchronized among the n oscillator modules (50) by synchronous control based on a common reference signal (Sr). The amplification circuits (70) each perform power amplification for the transmission high-frequency signal from a corresponding one of the voltage controlled oscillators (60) and output the resultant signal. Phases of the transmission high-frequency signals synchronized among the n oscillator modules (50) and output from the voltage controlled oscillators (60) are separately controlled according to respective n phase command signals (ϕ1* to ϕn*) from the phase command signal generator (40). |
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| 10 | Schaltungsanordnung zur Lautstärkestellung | EP83201447.6 | 1983-10-10 | EP0106408A2 | 1984-04-25 | Dünnebacke, Joachim |
Die Erfindung betrifft eine Schaltung zur Lautstärkestellung mittels eines Verstärkers, dessen Verstärkung elektronisch steuerbar ist. Der Steuereingang dieses Verstärkers ist mit einem ersten Gleichspannungsgeber, z.B. einem Spannungsteiler, verbunden, der zur Lautstärkeeinstellung dient, und über eine geeignet gepolte Diode mit einem zweiten Gleichspannungsgeber, dessen Ausgangsgleichspannung durch ein Steuersignal von einem ersten auf einen zweiten Wert umschaltbar ist. Dieser zweite Gleichspannungsgeber dient dazu, die Lautstärke beim Auftreten des Steuersignals auf einen Mindestwert anzuheben. |
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| 11 | MEMORYLESS ACTIVE DEVICE WHICH TRAPS EVEN HARMONIC SIGNALS | EP15809735 | 2015-06-19 | EP3158642A4 | 2018-03-14 | ARAM FARBOD |
| An active device and circuits utilized therewith are disclosed. In an aspect, the active device comprises an n-type transistor having a drain, gate and bulk and a p-type transistor having a drain, gate and bulk. The n-type transistor and the p-type transistor include a common source. The device includes a first capacitor coupled between the gate of the n-type transistor and the gate of the p-type transistor, a second capacitor coupled between the drain of the n-type transistor and the drain of p-type transistor and a third capacitor coupled between the bulk of the n-type transistor and the bulk of p-type transistor. The active device has a high breakdown voltage, is memoryless and traps even harmonic signals. | ||||||
| 12 | Adaptive stepped gain amplifier system and method | EP12290284.4 | 2012-08-28 | EP2704321B1 | 2016-04-06 | Deforeit, Fabien; Robert, Sebastien; Amiot, Sebastien |
| 13 | Adaptive stepped gain amplifier system and method | EP12290284.4 | 2012-08-28 | EP2704321A1 | 2014-03-05 | Deforeit, Fabien; Robert, Sebastien; Amiot, Sebastien |
An adaptive stepped gain amplifier, for example for use in broadband receivers, has a step size which is dynamically compensated (for each received frequency) to cope with step error caused by frequency dependence of the amplifier performance.
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| 14 | SIGNAL PROCESSING DEVICE AND METHOD, PROGRAM, AND DATA RECORDING MEDIUM | EP11823574.6 | 2011-09-06 | EP2615736A1 | 2013-07-17 | TSUJI Minoru; CHINEN Toru |
The present invention relates to a signal processing apparatus and method, a program, and a data recording medium configured such that the playback level of an audio signal can be easily and effectively enhanced without requiring prior analysis. An analyzer 21 generates mapping control information in the form of the root mean square of samples in a given segment of a supplied audio signal. A mapping processor 22 takes a nonlinear function determined by the mapping control information taken as a mapping function, and conducts amplitude conversion on a supplied audio signal using the mapping function. In this way, by conducting amplitude conversion of an audio signal using a nonlinear function that changes according to the characteristics in respective segments of an audio signal, the playback level of an audio signal can be easily and effectively enhanced without requiring prior analysis. The present invention may be applied to portable playback apparatus. |
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| 15 | Circuit arrangement for sound volume control | EP83201447 | 1983-10-10 | EP0106408A3 | 1986-11-20 | Dünnebacke, Joachim |
| 16 | 압전액츄에이터의 연동파형 고전압증폭 구동장치 및 방법 | KR1020040018744 | 2004-03-19 | KR1020050093419A | 2005-09-23 | 조정대; 함영복; 윤소남; 박중호; 최병오 |
| 본 발명은 압전액츄에이터의 연동파형 고전압증폭 구동장치에 관한 것으로서, 더욱 상세하게는 입력되는 교류를 직류로 변환하여 구동전원을 출력하는 구동전원부와; 입력되는 교류를 직류로 변환하여 구동전원을 출력하는 구동전원부(P10)와; 직류전원을 공급하고 주파수를 가변 또는 발생시키는 주파수가변부(P20)와; 상기 구동전원부(P10)와 주파수가변부(P20)의 출력신호가 입력되면, 고전압으로 증폭하는 고전압증폭부(P30)와; 상기 고전압증폭부(P30)로 인가되는 증폭신호의 위상차를 가변하여 복수개 이상의 압전액츄에이터(P42, P43, P44)를 순차적으로 구동시키는 위상가변부(P40)를 포함하는 것을 특징으로 한다. 여기서, 상기 고전압증폭부(P30)는 상기 구동전원부(P10)와 주파수가변부(P20)에서 출력된 저전압신호를 고전압으로 선형적으로 증폭하는 고전압증폭수단(P31)과; 상기 고전압증폭수단(P31)의 출력신호와 상기 위상가변부(P40)의 입력신호의 임피던스를 매칭시키는 임피던스매칭수단(P32)을 포함하는 것을 특징으로 한다. | ||||||
| 17 | 고주파 시스템 출력 레벨 제한 회로 | KR1019980059497 | 1998-12-28 | KR1020000043152A | 2000-07-15 | 양준석 |
| PURPOSE: A circuit for limiting output level of high frequency system is provided to prevent internal cell damages and an efficiency depreciation in the high frequency system, by limiting an output when a regular level abnormality is inputted. CONSTITUTION: A circuit for limiting output level of high frequency system comprises amplifiers(10), a connector(20), a detector(30), an automatic level control(ALC) circuit(40), a limit circuit of minimum voltage value(50), and a variable attenuator(60). The amplifiers decide a high frequency profits. The connector is connected with the amplifiers to connect a signal. The detector is connected with the connector to detect the signal. The ALC circuit makes a regular signal output for an input signal having predetermined limits detected through the detector to control the system. The minimum voltage value limit circuit fixes the controlled signal to the minimum voltage value. The variable attenuator moves according to the voltage value generated in the ALC circuit by connecting with the minimum voltage value limit circuit. And the ALC circuit comprises an user interface board(UIA) and an information viewer(UIB) of the operation(OP) amplifiers, the detector, the amplifier, and the variable attenuator. | ||||||
| 18 | 전압 제어형 가변 이득 회로 | KR1019810002740 | 1981-07-28 | KR1019860001018B1 | 1986-07-26 | 가다구라마사유끼; 아까기리겐죠 |
| First and second differential amplifiers are each supplied with a signal derived from the input signal. The amplifying elements of each is complementary to the amplifying elements of the other. A first pair of transistors have their emitters coupled to the output of the first differential amplifier and a second pair of transistors have their emitters coupled to the output of the second differential amplifier. Control voltage input terminals are respectively connected to one transistor of each pair and an opposite transistor of the other pair. | ||||||
| 19 | MEMORYLESS COMMON-MODE INSENSITIVE AND LOW PULLING VCO | EP16735368.9 | 2016-01-06 | EP3243273A1 | 2017-11-15 | ARAM, Farbod |
| A voltage controlled oscillator (VCO) is disclosed. The VCO includes an active device. The VCO comprises an active device, wherein the active device further includes an n-type transistor having a drain, gate and bulk; a p-type transistor having a drain, gate and bulk. The n-type transistor and the p-type transistor share a common source. The active device further includes a first capacitor coupled between the gate of n-type transistor and the gate of p-type transistor; a second capacitor coupled between the drain of the n-type transistor and the drain of p-type transistor; and a third capacitor coupled between the bulk of n-type transistor and the bulk of p-type transistor. The VCO includes a tuning block coupled to the common source to form a common gate amplifier and at least one tuning element coupled to the active device for changing the overall capacitance of the VCO. | ||||||
| 20 | SIGNAL PROCESSING DEVICE AND METHOD, PROGRAM, AND DATA RECORDING MEDIUM | EP11823574 | 2011-09-06 | EP2615736A4 | 2016-02-10 | TSUJI MINORU; CHINEN TORU |
| The present invention relates to a signal processing apparatus and method, a program, and a data recording medium configured such that the playback level of an audio signal can be easily and effectively enhanced without requiring prior analysis. An analyzer 21 generates mapping control information in the form of the root mean square of samples in a given segment of a supplied audio signal. A mapping processor 22 takes a nonlinear function determined by the mapping control information taken as a mapping function, and conducts amplitude conversion on a supplied audio signal using the mapping function. In this way, by conducting amplitude conversion of an audio signal using a nonlinear function that changes according to the characteristics in respective segments of an audio signal, the playback level of an audio signal can be easily and effectively enhanced without requiring prior analysis. The present invention may be applied to portable playback apparatus. | ||||||
