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1. 发明申请

US20090212867A1 INTEGRATED CIRCUIT DEVICE AND ELECTRONIC INSTRUMENT 有权
标题翻译：集成电路设备和电子仪器
公开(公告)号：US20090212867A1
公开(公告)日：2009-08-27
申请号：US12389916
申请日：2009-02-20
申请人： Akhiro FUKUZAWA , Satoru ITO , Nobuyuki IMAI
发明人： Akhiro FUKUZAWA , Satoru ITO , Nobuyuki IMAI
IPC分类号： H03G3/00
CPC分类号： H03G5/24 , H03H19/004
摘要： An integrated circuit device includes an amplifier circuit that receives an input signal and performs an offset adjustment corresponding to a DC offset of the input signal and a gain adjustment corresponding to an amplitude of the input signal, a filter that is provided in a subsequent stage of the amplifier circuit, a cut-off frequency of the filter being variably set corresponding to a frequency band of the input signal, an A/D converter that is provided in a subsequent stage of the filter and performs an A/D conversion process on a signal amplified by the amplifier circuit, and a control circuit that sets an offset adjustment of the amplifier circuit, a gain adjustment of the amplifier circuit, and the cut-off frequency of the filter.
摘要翻译：集成电路装置包括：放大器电路，其接收输入信号并执行与输入信号的DC偏移相对应的偏移调整和对应于输入信号的幅度的增益调整;滤波器，其被设置在所述放大器电路，对应于所述输入信号的频带可变地设置所述滤波器的截止频率; A / D转换器，其设置在所述滤波器的后续级中，并对所述滤波器进行A / D转换处理由放大器电路放大的信号，以及设置放大器电路的偏移调整，放大器电路的增益调整和滤波器的截止频率的控制电路。

2. 发明申请

US20090212860A1 INTEGRATED CIRCUIT DEVICE AND ELECTRONIC INSTRUMENT 有权
标题翻译：集成电路设备和电子仪器
公开(公告)号：US20090212860A1
公开(公告)日：2009-08-27
申请号：US12389681
申请日：2009-02-20
申请人： Akihiro FUKUZAWA , Satoru ITO , Nobuyuki IMAI
发明人： Akihiro FUKUZAWA , Satoru ITO , Nobuyuki IMAI
IPC分类号： H03F1/00
CPC分类号： H03F3/45475 , G01D3/022 , H03F3/45977 , H03F2203/45138 , H03F2203/45212 , H03F2203/45522 , H03G3/30
摘要： An integrated circuit device includes an amplifier circuit that includes first to Nth amplifiers that are cascaded and receives an input signal, an A/D converter that performs an A/D conversion process on a signal amplified by the amplifier circuit, first to Nth D/A converters that are provided corresponding to the first to Nth amplifiers and used to perform an offset adjustment of the first to Nth amplifiers, and a control circuit that sets an offset adjustment of the first to Nth amplifiers using the first to Nth D/A converters and a gain adjustment of the first to Nth amplifiers.
摘要翻译：集成电路装置包括放大电路，其包括级联并接收输入信号的第一至第N放大器，对由放大器电路放大的信号执行A / D转换处理的A / D转换器，第一至第N / A转换器，其对应于第一至第N放大器提供并用于执行第一至第N放大器的偏移调整;以及控制电路，其使用第一至第N D / A转换器设置第一至第N放大器的偏移调整以及第一至第N放大器的增益调整。

3. 发明申请

US20090212983A1 INTEGRATED CIRCUIT DEVICE AND ELECTRONIC INSTRUMENT 有权
标题翻译：集成电路设备和电子仪器
公开(公告)号：US20090212983A1
公开(公告)日：2009-08-27
申请号：US12389782
申请日：2009-02-20
申请人： Akihiro FUKUZAWA , Nobuyuki IMAI , Satoru ITO
发明人： Akihiro FUKUZAWA , Nobuyuki IMAI , Satoru ITO
IPC分类号： H03M1/12
CPC分类号： H03M1/1019 , H03F3/45475 , H03F3/45928 , H03F2200/405 , H03F2200/408 , H03F2203/45136 , H03F2203/45138 , H03F2203/45522 , H03F2203/45586 , H03F2203/45588 , H03M1/183
摘要： An integrated circuit device includes an amplifier circuit that includes first to Nth amplifiers, an A/D converter, first to Nth offset adjustment registers that are provided corresponding to the first to Nth amplifiers and store first to Nth offset adjustment data, first to Nth D/A converters provided corresponding to the first to Nth amplifiers, first to Nth offset value storage sections that store first to Nth offset value data, and a control circuit that calculates the first to Nth offset adjustment data based on the first to Nth offset value data, and sets the first to Nth offset adjustment data in the first to Nth offset adjustment registers.
摘要翻译：集成电路装置包括放大器电路，其包括第一至第N放大器，A / D转换器，对应于第一至第N放大器提供的第一至第N偏移调整寄存器，并存储第一至第N偏移调整数据，第一至第N D / A转换器，其对应于存储第一至第N偏移值数据的第一至第N放大器，第一至第N偏移值存储部分，以及控制电路，其基于第一至第N偏移值数据计算第一至第N偏移调整数据并且在第一至第N偏移调整寄存器中设置第一至第N偏移调整数据。

4. 发明申请

US20090160693A1 A/D CONVERSION CIRCUIT AND ELECTRONIC INSTRUMENT 有权
标题翻译： A / D转换电路和电子仪器
公开(公告)号：US20090160693A1
公开(公告)日：2009-06-25
申请号：US12343796
申请日：2008-12-24
申请人： Akihiro FUKUZAWA , Nobuyuki IMAI , Satoru ITO
发明人： Akihiro FUKUZAWA , Nobuyuki IMAI , Satoru ITO
IPC分类号： H03M1/12
CPC分类号： H03M1/002 , H03M1/66
摘要： An A/D conversion circuit includes a continuous-time filter that performs a filtering process on an input signal, an SCF that is provided in a subsequent stage of the continuous-time filter and performs a filtering process utilizing the continuous-time filter as a prefilter, a cut-off frequency of the SCF being variably set corresponding to a frequency band of the input signal, an A/D converter that is provided in a subsequent stage of the SCF and performs an A/D conversion operation utilizing the continuous-time filter and the SCF as prefilters, and a digital filter that is provided in a subsequent stage of the A/D converter and performs a digital filtering process utilizing the continuous-time filter and the SCF as prefilters, a cut-off frequency of the digital filter being variably set corresponding to the frequency band of the input signal.
摘要翻译： A / D转换电路包括对输入信号执行滤波处理的连续时间滤波器，在连续时间滤波器的后续级中提供的SCF，并且使用连续时间滤波器作为滤波处理预滤波器，对应于输入信号的频带可变地设定的SCF的截止频率，设置在SCF的后续级中的A / D转换器，并利用连续输出信号进行A / D转换操作，时间滤波器和作为前置滤波器的SCF，以及在A / D转换器的后续级中提供的数字滤波器，并且使用连续时间滤波器和SCF作为预滤波器执行数字滤波处理，截止频率为数字滤波器根据输入信号的频带可变地设定。

5. 发明申请

US20130014581A1 SENSOR DEVICE, AND ELECTRONIC APPARATUS 有权
标题翻译：传感器设备和电子设备
公开(公告)号：US20130014581A1
公开(公告)日：2013-01-17
申请号：US13543098
申请日：2012-07-06
申请人： Masayasu SAKUMA , Yoshihiro KOBAYASHI , Shojiro KITAMURA , Taketo CHINO , Nobuyuki IMAI
发明人： Masayasu SAKUMA , Yoshihiro KOBAYASHI , Shojiro KITAMURA , Taketo CHINO , Nobuyuki IMAI
IPC分类号： G01P15/00 , G01D21/00
CPC分类号： G01C19/5783 , G01P1/00 , G01P15/02 , G01P15/097 , G01P15/18
摘要： A sensor device includes a mounting board having a first rigid board on which an angular velocity sensor is mounted and a third rigid board on which an angular velocity sensor is mounted, and a pedestal for fixing the mounting board. Further, the pedestal includes a base section having a first fixation surface along an x axis and a y axis, and projecting sections disposed on the base section, and having a second fixation surface along the x axis and a z axis, and a third fixation surface along the y axis and the z axis, each of the rigid boards is supported by at least two of the first fixation surface, the second fixation surface, and the third fixation surface, and the angular velocity sensors have respective detection axes intersecting with each other.
摘要翻译：传感器装置包括安装板，其具有安装有角速度传感器的第一刚性板和安装有角速度传感器的第三刚性板，以及用于固定安装板的基座。此外，基座包括具有沿x轴和ay轴的第一固定面的基部，以及设置在基部上的突出部，并且具有沿x轴和z轴的第二固定面，以及沿着x轴和z轴的第三固定面 y轴和z轴，每个刚性板由第一固定表面，第二固定表面和第三固定表面中的至少两个支撑，并且角速度传感器具有彼此相交的各自的检测轴。

6. 发明申请

US20080265831A1 MOTOR CONTROL APPARATUS 有权
标题翻译：电动机控制装置
公开(公告)号：US20080265831A1
公开(公告)日：2008-10-30
申请号：US12107358
申请日：2008-04-22
申请人： Nobuyuki IMAI , Yoshinari Murayama , Junji Inoue
发明人： Nobuyuki IMAI , Yoshinari Murayama , Junji Inoue
IPC分类号： H02P27/08
CPC分类号： H02P6/183 , H02P21/06 , H02P21/22
摘要： A motor control apparatus provided with an inverter for successively commutating the current to a motor using a PWM signal; a PWM signal generating device for generating the PWM signal using a carrier signal; a rotational state quantity sensor for detecting a rotational state quantity; a phase difference detecting device for detecting the phase difference between the carrier signal and the rotational period based on the rotational state quantity; a frequency setting device for setting a frequency of the carrier signal to a value in accordance with a multiplier for one period in terms of electrical angle of the rotational period of the motor, when the rotational frequency is equal to or greater than a specified frequency and the phase difference is equal to or less than a specified value; and a synchronizing device for synchronizing a control period of the carrier signal to the rotational period.
摘要翻译：一种电动机控制装置，具有逆变器，用于使用PWM信号将电流顺序地转换到电动机; PWM信号产生装置，用于使用载波信号产生PWM信号; 用于检测旋转状态量的旋转状态量传感器; 相位差检测装置，用于根据转动状态量检测载波信号与转动周期之间的相位差; 频率设定装置，用于当所述旋转频率等于或大于指定频率时，将所述载波信号的频率设定为与所述电动机的旋转周期的电角度相关的一个周期的乘数的值;以及相位差等于或小于指定值; 以及用于使载波信号的控制周期与转动周期同步的同步装置。

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