MICROPHONE ASSEMBLY WITH INTEGRATED SELF-TEST CIRCUITRY
    1.
    发明申请
    MICROPHONE ASSEMBLY WITH INTEGRATED SELF-TEST CIRCUITRY 审中-公开
    麦克风组件与集成自检电路

    公开(公告)号:WO2009127568A1

    公开(公告)日:2009-10-22

    申请号:PCT/EP2009/054202

    申请日:2009-04-08

    CPC classification number: H04R29/004 H04R19/005 H04R19/016 H04R19/04

    Abstract: The present invention relates to a condenser microphone assembly comprising an electro-acoustic transducer element comprising a diaphragm and a back plate, signal processing circuitry operatively connected to the transducer element so as to process signals generated by the transducer element, and a mode-setting circuitry for selectively setting the condenser microphone assembly in a test mode or an operational mode. The electro-acoustic sensitivity of the condenser microphone assembly, when operated in the test mode, is at least 40 dB lower than the corresponding electro-acoustic sensitivity of the assembly when operated in the operational mode. The present invention further relates to a method for determining a performance parameter of a signal processing circuitry mounted inside a housing of an assembled condenser microphone assembly.

    Abstract translation: 本发明涉及一种电容传声器组件,其包括电声换能器元件,其包括隔膜和背板,操作地连接到换能器元件的信号处理电路,以便处理由换能器元件产生的信号,以及模式设置电路 用于选择性地将电容式麦克风组件设置在测试模式或操作模式中。 当在测试模式下操作时,电容式麦克风组件的电声灵敏度比操作模式下组件的电声灵敏度低至少40dB。 本发明还涉及一种用于确定安装在组装的电容式麦克风组件的壳体内部的信号处理电路的性能参数的方法。

    ELECTRONIC CIRCUIT FOR A MICROPHONE AND MICROPHONE
    2.
    发明申请
    ELECTRONIC CIRCUIT FOR A MICROPHONE AND MICROPHONE 审中-公开
    麦克风和麦克风的电子电路

    公开(公告)号:WO2017016591A1

    公开(公告)日:2017-02-02

    申请号:PCT/EP2015/067180

    申请日:2015-07-27

    Applicant: EPCOS AG

    Inventor: ROCCA, Gino

    Abstract: The electronic circuit (10)comprises an input stage (Pre_amp)for pre-amplifying an electrical input signal of the electronic circuit (10)provided by a transducer (MEMS). Furthermore, the electronic circuit (10)comprises an output stage (T_amp)for providing a microphone output signal by processing an output signal of the input stage (Pre_amp). The electronic circuit (10)comprises an adjustable output load (RS)arranged and configured for setting a current draw of the output stage (T_amp). Additionally, the electronic cir- cuit (10)comprises a measurement circuit(P_det)configured to capture the output signal of the input stage (Pre_amp)and an automatic control circuit (ACC) configured to adjust the adjustable output load (RS)dependent on the captured output signal of the input stage (Pre_amp).

    Abstract translation: 电子电路(10)包括用于对由换能器(MEMS)提供的电子电路(10)的电输入信号进行预放大的输入级(Pre_amp)。 此外,电子电路(10)包括用于通过处理输入级(Pre_amp)的输出信号来提供麦克风输出信号的输出级(T_amp)。 电子电路(10)包括布置和配置用于设置输出级(T_amp)的电流消耗的可调输出负载(RS)。 另外,电子电路(10)包括被配置为捕获输入级(Pre_amp)的输出信号的测量电路(P_det)和被配置为调整可调输出负载(RS)的自动控制电路(ACC),该自动控制电路 输入级的捕获输出信号(Pre_amp)。

    IMPEDANCE CIRCUIT FOR A CHARGE PUMP ARRANGEMENT AND CHARGE PUMP ARRANGEMENT
    4.
    发明申请
    IMPEDANCE CIRCUIT FOR A CHARGE PUMP ARRANGEMENT AND CHARGE PUMP ARRANGEMENT 审中-公开
    充电泵装置和充电泵装置的阻抗电路

    公开(公告)号:WO2016116138A1

    公开(公告)日:2016-07-28

    申请号:PCT/EP2015/050993

    申请日:2015-01-20

    Applicant: EPCOS AG

    CPC classification number: H02M3/07 H04R3/00 H04R19/04 H04R2201/003 H04R2410/03

    Abstract: The impedance circuit (BigR) comprises a first current mirror circuit (CM1) with a first bias (pbias) serving as a current input terminal, a first output (outl) serving as a current output terminal and a first input (inl) for coupling with a pre-selected potential. Furthermore the impedance circuit (BigR) comprises a first charge pump (CP1) for biasing the first current mirror circuit (CM1) with a first reference current, wherein the first charge pump (CP1) comprises a first biasing output (biasl) coupled with the first bias (pbias) of the first current mirror circuit (CM1).

    Abstract translation: 阻抗电路(BigR)包括具有用作电流输入端的第一偏置(pbias)的第一电流镜电路(CM1),用作电流输出端的第一输出(out1)和用于耦合的第一输入(inl) 具有预先选择的潜力。 此外,阻抗电路(BigR)包括用于利用第一参考电流偏压第一电流镜电路(CM1)的第一电荷泵(CP1),其中第一电荷泵(CP1)包括第一电荷泵 第一电流镜电路(CM1)的第一偏置(pbias)。

    CHARGE PUMP ASSEMBLY
    5.
    发明申请
    CHARGE PUMP ASSEMBLY 审中-公开
    充电泵组件

    公开(公告)号:WO2016150486A1

    公开(公告)日:2016-09-29

    申请号:PCT/EP2015/056249

    申请日:2015-03-24

    Applicant: EPCOS AG

    Inventor: ROCCA, Gino

    CPC classification number: H04R19/016 H03F1/30 H03F2200/468

    Abstract: A charge pump assembly allowing MEMS microphones being temperature-compensated in a large temperature range and corresponding microphones are provided. An assembly comprises a charge pump and a bias circuit electrically connected to the charge pump. A bias voltage provided by the bias circuit has a temperature dependence.

    Abstract translation: 提供了一种电荷泵组件,其允许在大温度范围内对MEMS麦克风进行温度补偿和相应的麦克风。 组件包括电荷泵和电连接到电荷泵的偏置电路。 由偏置电路提供的偏置电压具有温度依赖性。

    MICROPHONE ASSEMBLY AND METHOD FOR DETERMINING PARAMETERS OF A TRANSDUCER IN A MICROPHONE ASSEMBLY
    6.
    发明申请
    MICROPHONE ASSEMBLY AND METHOD FOR DETERMINING PARAMETERS OF A TRANSDUCER IN A MICROPHONE ASSEMBLY 审中-公开
    麦克风组件和确定麦克风组件中传感器参数的方法

    公开(公告)号:WO2015149871A1

    公开(公告)日:2015-10-08

    申请号:PCT/EP2014/056843

    申请日:2014-04-04

    Applicant: EPCOS AG

    CPC classification number: H04R29/004 H04R1/04 H04R3/00 H04R3/04 H04R19/005

    Abstract: A microphone assembly (1) is provided, the assembly comprising a transducer (2) and an electronic circuit (3) operatively connected to the transducer (2). The electronic circuit (3) comprises a test mode circuitry (12) for selectively setting the microphone assembly (1) in one or more test modes or an operational mode. The test modes enable determining at least one parameter of the transducer (2). Furthermore, a method is provided, the method enabling determining at least one parameter of a transducer (2) in a microphone assembly (1).

    Abstract translation: 提供了一种麦克风组件(1),该组件包括可操作地连接到换能器(2)的换能器(2)和电子电路(3)。 电子电路(3)包括用于以一种或多种测试模式或操作模式选择性地设置麦克风组件(1)的测试模式电路(12)。 测试模式使得能够确定换能器(2)的至少一个参数。 此外,提供了一种方法,该方法使得能够确定麦克风组件(1)中的换能器(2)的至少一个参数。

    MEMS MICROPHONE ASSEMBLY AND METHOD OF OPERATING THE MEMS MICROPHONE ASSEMBLY
    7.
    发明申请
    MEMS MICROPHONE ASSEMBLY AND METHOD OF OPERATING THE MEMS MICROPHONE ASSEMBLY 审中-公开
    MEMS麦克风组件和操作MEMS麦克风组件的方法

    公开(公告)号:WO2013167183A1

    公开(公告)日:2013-11-14

    申请号:PCT/EP2012/058570

    申请日:2012-05-09

    Abstract: The present invention concerns a MEMS microphone assembly (1), comprising a MEMS transducer element (2) comprising a back plate (17) and a diaphragm (18) displaceable in relation to the back plate (17), a bias voltage generator (6) adapted to provide a DC bias voltage applicable between the diaphragm (18) and the back plate (17), an amplifier (7) for receiving an electrical signal from the MEMS transducer element (2) and for providing an output signal, the amplifier (7) being adapted to amplify the electrical signal from the MEMS transducer element (2) according to an amplifier gain setting, and a processor (8) adapted to carry out a calibration routine at power-on of the microphone assembly (1) determining information regarding the DC bias voltage and/or the amplifier gain setting. Furthermore, the present invention concerns a method of operating said MEMS microphone assembly.

    Abstract translation: 本发明涉及一种MEMS麦克风组件(1),其包括MEMS换能器元件(2),所述MEMS换能器元件(2)包括相对于所述背板(17)可移位的背板(17)和隔膜(18),偏置电压发生器 ),其适于提供适用于所述隔膜(18)和所述背板(17)之间的DC偏置电压;放大器(7),用于从所述MEMS换能器元件(2)接收电信号并提供输出信号,所述放大器 (7)适于根据放大器增益设置放大来自MEMS换能器元件(2)的电信号;以及处理器(8),适于在麦克风组件(1)的通电时执行校准程序,确定 关于直流偏置电压和/或放大器增益设置的信息。 此外,本发明涉及一种操作所述MEMS麦克风组件的方法。

    INTEGRATED CIRCUIT, CIRCUIT ASSEMBLY AND A METHOD FOR ITS OPERATION
    8.
    发明申请
    INTEGRATED CIRCUIT, CIRCUIT ASSEMBLY AND A METHOD FOR ITS OPERATION 审中-公开
    集成电路,电路组件及其运行方法

    公开(公告)号:WO2017041822A1

    公开(公告)日:2017-03-16

    申请号:PCT/EP2015/070401

    申请日:2015-09-07

    Applicant: EPCOS AG

    CPC classification number: H03G3/3026 H04R1/04

    Abstract: The present invention relates to an integrated circuit comprising at least one supply voltage terminal (262) configured to receive a supply voltage for operation of the integrated circuit, at least one input terminal (122, 124, 222) configured to receive an analog input signal corresponding to an audio signal, and at least one output terminal (132, 134, 232) configured to provide an analog output signal. The integrated circuit further comprises a signal strength detector configured to detect the signal strength of the analog input signal. The integrated circuit is configured to amplify the audio signal based on the detected signal strength and to output a corresponding amplified signal at the at least one output terminal (132, 134), and a signaling circuit configured to indicate an amplification setting of the integrated circuit at the at least one supply voltage terminal (262) or the at least one output terminal (132, 134, 232). The invention further relates to a circuit assembly (100, 200, 300) comprising a signal source (110), a signal processing device (190, 390) and an amplification circuit and a method for operating such a circuit assembly (100, 200, 300).

    Abstract translation: 本发明涉及一种集成电路,其包括被配置为接收用于集成电路的操作的电源电压的至少一个电源电压端子(262),至少一个输入端子(122,124,222),被配置为接收模拟输入信号 对应于音频信号,以及被配置为提供模拟输出信号的至少一个输出端子(132,134,232)。 集成电路还包括被配置为检测模拟输入信号的信号强度的信号强度检测器。 集成电路被配置为基于检测到的信号强度来放大音频信号,并且在至少一个输出端子(132,134)处输出相应的放大信号,以及信号电路,被配置为指示集成电路的放大设置 在所述至少一个电源电压端子(262)或所述至少一个输出端子(132,134,232)处。 本发明还涉及包括信号源(110),信号处理装置(190,390)和放大电路的电路组件(100,200,300),以及用于操作这种电路组件(100,200,300) 300)。

    ELECTRONIC CIRCUIT FOR A MICROPHONE AND METHOD OF OPERATING A MICROPHONE
    9.
    发明申请
    ELECTRONIC CIRCUIT FOR A MICROPHONE AND METHOD OF OPERATING A MICROPHONE 审中-公开
    用于麦克风的电子电路和操作麦克风的方法

    公开(公告)号:WO2015185144A1

    公开(公告)日:2015-12-10

    申请号:PCT/EP2014/061726

    申请日:2014-06-05

    Applicant: EPCOS AG

    CPC classification number: H04R3/00 H04R1/04 H04R19/005 H04R19/04

    Abstract: An electronic circuit (1) for a microphone (2) comprises a first terminal (4) and a second terminal (8), wherein the electronic circuit (1) is selectively operable in a first mode and a second mode. In the first mode, the first terminal (4) is configured for microphone output and in the second mode, the second terminal (7) is configured for microphone output. Furthermore, a method of operating a microphone (2) is provided.

    Abstract translation: 一种用于麦克风(2)的电子电路(1)包括第一端子(4)和第二端子(8),其中电子电路(1)可选择性地在第一模式和第二模式下工作。 在第一模式中,第一端子(4)被配置用于麦克风输出,并且在第二模式中,第二端子(7)被配置用于麦克风输出。 此外,提供了一种操作麦克风(2)的方法。

    MICROPHONE ASSEMBLY AND METHOD OF MANUFACTURING A MICROPHONE ASSEMBLY
    10.
    发明申请
    MICROPHONE ASSEMBLY AND METHOD OF MANUFACTURING A MICROPHONE ASSEMBLY 审中-公开
    麦克风组件及制造麦克风组件的方法

    公开(公告)号:WO2015172809A1

    公开(公告)日:2015-11-19

    申请号:PCT/EP2014/059648

    申请日:2014-05-12

    Applicant: EPCOS AG

    Inventor: ROCCA, Gino

    Abstract: The present disclosure concerns a microphone assembly (1) comprising a MEMS dual backplate microphone (2) configured to provide a differential output signal, an ASIC (3) comprising a differential amplifier (9) configured to receive the differential output signal, and a control element (14) configured to adjust a setting of the MEMS dual backplate microphone (2) and/or of the ASIC (3). Further, the present disclosure concerns a method of manufacturing said microphone assembly.

    Abstract translation: 本公开涉及一种麦克风组件(1),其包括被配置为提供差分输出信号的MEMS双背板麦克风(2),包括被配置为接收差分输出信号的差分放大器(9)的ASIC(3) 元件(14)被配置为调整MEMS双背板麦克风(2)和/或ASIC(3)的设置。 此外,本公开涉及制造所述麦克风组件的方法。

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