Acoustic sensor
    1.
    发明授权
    Acoustic sensor 有权
    声传感器

    公开(公告)号:US09210515B2

    公开(公告)日:2015-12-08

    申请号:US14243755

    申请日:2014-04-02

    CPC classification number: H04R19/005 H04R2201/003

    Abstract: Provided are an acoustic sensor and a method of manufacturing the same. The acoustic sensor includes a substrate including an acoustic chamber, a first hole, and a second hole, penetrating the substrate, a lower electrode pad extended onto a top surface of the substrate while covering a sidewall of the first hole, a diaphragm pad extended onto the top surface of the substrate while covering a sidewall of the second hole, a lower electrode provided on the acoustic chamber and connected to the lower electrode pad, and a diaphragm above the lower electrode while being separated from the lower electrode and connected to the diaphragm pad.

    Abstract translation: 提供一种声传感器及其制造方法。 该声学传感器包括:衬底,包括穿透衬底的声学室,第一孔和第二孔;延伸到衬底顶表面上的下电极焊盘,同时覆盖第一孔的侧壁, 衬底的顶表面,同时覆盖第二孔的侧壁,设置在声学室上并连接到下电极焊盘的下电极,以及在与下电极分离并连接到隔膜的下电极之上的膜片 垫。

    Maximum power extraction device
    2.
    发明授权
    Maximum power extraction device 有权
    最大功率提取装置

    公开(公告)号:US09000737B2

    公开(公告)日:2015-04-07

    申请号:US13903014

    申请日:2013-05-28

    CPC classification number: H02J3/385 H02M3/1588 Y02B70/1466 Y02E10/58

    Abstract: Provided is a maximum power extraction devices including: a battery; a voltage control unit adjusting a size of a first power outputted from the battery according to a resistor selected from a plurality of resistors, and generating a compare signal according to a size difference between an operating voltage adjusting the size of the first power depending on the selected resistor and a reference voltage; a switching unit connected between the battery and a load and adjusting a size of the operating voltage according to a size difference of the compare signal in response to first and second switching control signals; a switching control unit generating the first and second switching control signals to allow a size between the operating voltage according to the compare signal and the reference voltage to be within an error range; and a maximum power control unit measuring the number of first operations obtained by counting the occurrence number of the first or second switching control signals for a predetermined time, when the compare signal is within the error range.

    Abstract translation: 提供了一种最大功率提取装置,包括:电池; 电压控制单元,根据从多个电阻器中选择的电阻器,调整从电池输出的第一功率的大小,并根据调整第一功率的大小的工作电压之间的尺寸差产生比较信号, 选择电阻和参考电压; 连接在电池和负载之间的开关单元,并且响应于第一和第二开关控制信号,根据比较信号的尺寸差来调整工作电压的大小; 切换控制单元,其产生第一和第二切换控制信号,以允许根据比较信号的工作电压和参考电压之间的尺寸在误差范围内; 以及最大功率控制单元,当所述比较信号在所述误差范围内时,测量在预定时间内对所述第一或第二切换控制信号的出现次数进行计数而获得的第一操作的数量。

    MAXIMUM POWER EXTRACTION DEVICE
    3.
    发明申请
    MAXIMUM POWER EXTRACTION DEVICE 有权
    最大功率提取装置

    公开(公告)号:US20140176108A1

    公开(公告)日:2014-06-26

    申请号:US13903014

    申请日:2013-05-28

    CPC classification number: H02J3/385 H02M3/1588 Y02B70/1466 Y02E10/58

    Abstract: Provided is a maximum power extraction devices including: a battery; a voltage control unit adjusting a size of a first power outputted from the battery according to a resistor selected from a plurality of resistors, and generating a compare signal according to a size difference between an operating voltage adjusting the size of the first power depending on the selected resistor and a reference voltage; a switching unit connected between the battery and a load and adjusting a size of the operating voltage according to a size difference of the compare signal in response to first and second switching control signals; a switching control unit generating the first and second switching control signals to allow a size between the operating voltage according to the compare signal and the reference voltage to be within an error range; and a maximum power control unit measuring the number of first operations obtained by counting the occurrence number of the first or second switching control signals for a predetermined time, when the compare signal is within the error range.

    Abstract translation: 提供了一种最大功率提取装置,包括:电池; 电压控制单元,根据从多个电阻器中选择的电阻器,调整从电池输出的第一功率的大小,并根据调整第一功率的大小的工作电压之间的尺寸差产生比较信号, 选择电阻和参考电压; 连接在电池和负载之间的开关单元,并且响应于第一和第二开关控制信号,根据比较信号的尺寸差来调整工作电压的大小; 切换控制单元,其产生第一和第二切换控制信号,以允许根据比较信号的工作电压和参考电压之间的尺寸在误差范围内; 以及最大功率控制单元,当所述比较信号在所述误差范围内时,测量在预定时间内对所述第一或第二切换控制信号的出现次数进行计数而获得的第一操作的数量。

    Successive approximation register analog-to-digital converter
    5.
    发明授权
    Successive approximation register analog-to-digital converter 失效
    逐次逼近寄存器模数转换器

    公开(公告)号:US08717221B2

    公开(公告)日:2014-05-06

    申请号:US13763532

    申请日:2013-02-08

    CPC classification number: H03M1/38 H03M1/0678 H03M1/468

    Abstract: A successive approximation register analog-to-digital converter is provided which includes first and second capacitor arrays configured to generate first and second level voltages, respectively; a comparator configured to compare the first and second level voltages to output a comparison signal; SAR logic configured to generate a digital signal in response to the comparison signal; and a variable common mode selector configured to compare a first analog input voltage and a common mode voltage and to supply one of the first analog input voltage and the common mode voltage to top plates of the first and second capacitor arrays according to a comparison result.

    Abstract translation: 提供逐次逼近寄存器模数转换器,其包括被配置为分别产生第一和第二电平电压的第一和第二电容器阵列; 比较器,被配置为比较所述第一和第二电平电压以输出比较信号; SAR逻辑被配置为响应于比较信号而产生数字信号; 以及可变共模选择器,被配置为根据比较结果比较第一模拟输入电压和共模电压,并将第一模拟输入电压和共模电压中的一个提供给第一和第二电容器阵列的顶板。

    Microphone
    7.
    发明授权
    Microphone 有权
    麦克风

    公开(公告)号:US09264814B2

    公开(公告)日:2016-02-16

    申请号:US14282929

    申请日:2014-05-20

    CPC classification number: H04R7/02 H04R19/04

    Abstract: Provided is a microphone. The microphone includes a substrate including an acoustic chamber, a lower backplate disposed on the substrate, a diaphragm spaced apart from the lower backplate on the lower backplate, the diaphragm having a diaphragm hole passing therethrough, a connection unit disposed on the lower backplate to extend through the diaphragm hole, and an upper backplate disposed on the connection unit, the upper backplate being spaced apart from the diaphragm. Thus, the microphone may be improved in sensitivity and reliability.

    Abstract translation: 提供一个麦克风 该麦克风包括一个包括声学室的基板,设置在基板上的下背板,与下背板上的下背板隔开的隔膜,隔膜具有穿过其中的隔膜孔,连接单元设置在下背板上以延伸 通过隔膜孔和设置在连接单元上的上背板,上背板与隔膜间隔开。 因此,可以提高麦克风的灵敏度和可靠性。

    Wheel speed sensor interface, operation method thereof, and electronic control system including the same
    8.
    发明授权
    Wheel speed sensor interface, operation method thereof, and electronic control system including the same 有权
    车轮速度传感器接口,其操作方法以及包括其的电子控制系统

    公开(公告)号:US09193340B2

    公开(公告)日:2015-11-24

    申请号:US14259036

    申请日:2014-04-22

    CPC classification number: B60T8/32 B60T8/171 B60T8/885 G01P3/44 G01P3/489 G01P3/56

    Abstract: Provided is a wheel speed sensor interface. The wheel speed sensor interface includes: a speed pulse detection circuit configured to receive a plurality of sensor signals including wheel speed information of a vehicle, detect a plurality of speed pulses on the basis of the plurality of the received sensor signals, and transmit the plurality of the detected speed pulses to an external device; and a comparison speed detection circuit configured to generate a plurality of counting values by counting each of the detected speed pulses, generate comparison speed information by multiplexing the plurality of the generated counting values through a time division method, and transmit the generated comparison speed information to the external device.

    Abstract translation: 提供了一种车轮速度传感器接口。 轮速传感器接口包括:速度脉冲检测电路,被配置为接收包括车辆的车轮速度信息的多个传感器信号,基于多个接收到的传感器信号检测多个速度脉冲,并且发送多个 检测到的速度脉冲到外部设备; 以及比较速度检测电路,被配置为通过对每个所检测的速度脉冲进行计数来生成多个计数值,并通过时分方法多个生成的多个计数值来生成比较速度信息,并将生成的比较速度信息发送到 外部设备。

    MEMS microphone using noise filter
    9.
    发明授权
    MEMS microphone using noise filter 有权
    MEMS麦克风使用噪声滤波器

    公开(公告)号:US08983090B2

    公开(公告)日:2015-03-17

    申请号:US13762300

    申请日:2013-02-07

    CPC classification number: H04R3/00 H04R19/005 H04R2201/003 H04R2410/03

    Abstract: An MEMS microphone is provided which includes a reference voltage/current generator configured to generate a DC reference voltage and a reference current; a first noise filter configured to remove a noise of the DC reference voltage; a voltage booster configured to generate a sensor bias voltage using the DC reference voltage the noise of which is removed; a microphone sensor configured to receive the sensor bias voltage and to generate an output value based on a variation in a sound pressure; a bias circuit configured to receive the reference current to generate a bias voltage; and a signal amplification unit configured to receive the bias voltage and the output value of the microphone sensor to amplify the output value. The first noise filter comprises an impedance circuit; a capacitor circuit connected to a output node of the impedance circuit; and a switch connected to both ends of the impedance circuit.

    Abstract translation: 提供了一种MEMS麦克风,其包括被配置为产生DC参考电压和参考电流的参考电压/电流发生器; 第一噪声滤波器,被配置为去除所述DC参考电压的噪声; 升压器,被配置为使用其噪声被去除的直流参考电压来产生传感器偏置电压; 麦克风传感器,被配置为接收所述传感器偏置电压并且基于声压的变化产生输出值; 偏置电路,被配置为接收所述参考电流以产生偏置电压; 以及信号放大单元,被配置为接收麦克风传感器的偏置电压和输出值以放大输出值。 第一噪声滤波器包括阻抗电路; 连接到所述阻抗电路的输出节点的电容器电路; 以及连接到阻抗电路的两端的开关。

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