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1. 发明申请

US20100239101A1 Digital speaker driving apparatus 有权
标题翻译：数字扬声器驱动装置
公开(公告)号：US20100239101A1
公开(公告)日：2010-09-23
申请号：US12659813
申请日：2010-03-22
申请人： Jun-ichi Okamura , Akira Yasuda
发明人： Jun-ichi Okamura , Akira Yasuda
IPC分类号： H04B15/00 , H04R15/00
CPC分类号： H04R3/00 , H03F3/211 , H03F3/217 , H04R1/005 , H04R1/1008 , H04R3/12 , H04R15/00 , H04R27/00 , H04R2227/003 , H04R2499/13 , H04R2499/15
摘要： A digital sound system suitable for a digital speaker device for directly converting analog sound by a circuit using a ΔΣ modulator and a mismatch shaping filter circuit to output a plurality of digital signals and a plurality of speakers driven by the plurality of digital signals. A digital speaker driving device includes a ΔΣ modulator, a post filter, s driving circuits, and a power supply circuit to supply power to the ΔΣ modulator, the post filter and the s driving elements and the s driving circuits are adapted to s digital signal terminals.
摘要翻译：适用于数字扬声器设备的数字音响系统，用于通过电路直接转换模拟声音，并使用＆Dgr＆调制器和失配整形滤波器电路，以输出由多个数字信号驱动的多个数字信号和多个扬声器。数字扬声器驱动装置包括＆Dgr＆amp; 调制器，后置滤波器，s个驱动电路，以及供电电路，用于向＆Dgr＆amp; 调制器，后置滤波器和s个驱动元件和s个驱动电路适合于数字信号端子。

2. 发明授权

US08306244B2 Digital speaker driving apparatus 有权
标题翻译：数字扬声器驱动装置
公开(公告)号：US08306244B2
公开(公告)日：2012-11-06
申请号：US12659813
申请日：2010-03-22
申请人： Jun-ichi Okamura , Akira Yasuda
发明人： Jun-ichi Okamura , Akira Yasuda
IPC分类号： H04R3/00
CPC分类号： H04R3/00 , H03F3/211 , H03F3/217 , H04R1/005 , H04R1/1008 , H04R3/12 , H04R15/00 , H04R27/00 , H04R2227/003 , H04R2499/13 , H04R2499/15
摘要： A digital sound system suitable for a digital speaker device for directly converting analog sound by a circuit using a ΔΣ modulator and a mismatch shaping filter circuit to output a plurality of digital signals and a plurality of speakers driven by the plurality of digital signals. A digital speaker driving device includes a ΔΣ modulator, a post filter, s driving circuits, and a power supply circuit to supply power to the ΔΣ modulator, the post filter and the s driving elements and the s driving circuits are adapted to s digital signal terminals.
摘要翻译：适用于数字扬声器设备的数字音响系统，用于通过电路直接转换模拟声音，并使用＆Dgr＆调制器和失配整形滤波器电路，以输出由多个数字信号驱动的多个数字信号和多个扬声器。数字扬声器驱动装置包括＆Dgr＆amp; 调制器，后置滤波器，s个驱动电路，以及供电电路，用于向＆Dgr＆amp; 调制器，后置滤波器和s个驱动元件和s个驱动电路适用于数字信号端子。

3. 发明授权

US09219960B2 Acoustic playback system 有权
标题翻译：声学播放系统
公开(公告)号：US09219960B2
公开(公告)日：2015-12-22
申请号：US12929070
申请日：2010-12-28
申请人： Akira Yasuda , Jun-ichi Okamura
发明人： Akira Yasuda , Jun-ichi Okamura
IPC分类号： G06F17/00 , H04R3/14 , H04R3/12
CPC分类号： H04R3/14 , G06F17/3074 , H04R3/12 , H04R2420/00 , H04R2420/03 , H04R2420/05 , H04R2430/01 , H04R2430/03 , H04R2499/13
摘要： An acoustic playback system including a digital filter; and a plurality of digital modulators each of which output a digital signal to one of a plurality of speakers configured with speakers driven by digital signals having different play back bandwidths; wherein the digital filter converts a digital audio signal which is input into a plurality of digital audio signals of a plurality of frequency bandwidths corresponding to play back bandwidths of the plurality of speakers, and outputs each of the digital audio signals of the plurality of frequency bandwidths to one of the plurality of digital modulators; each of the plurality of digital modulators outputs the modulated digital signal to the speaker of a play back bandwidth corresponding to a frequency bandwidth of the digital audio signal which is input by performing miss match shaping after noise shaping to a digital audio signal which is input; and each number of bits of a digital signal which is output by each of the digital modulators is different is provided.
摘要翻译：包括数字滤波器的声学回放系统; 以及多个数字调制器，每个数字调制器将数字信号输出到配置有由具有不同播放带宽的数字信号驱动的扬声器的多个扬声器之一; 其中所述数字滤波器将输入的数字音频信号转换为与所述多个扬声器的播放带宽对应的多个频率带宽的多个数字音频信号，并输出所述多个频率带宽中的每个所述数字音频信号涉及多个数字调制器之一; 多个数字调制器中的每一个数字调制器将经调制的数字信号输出到与通过在噪声整形之后执行未命中匹配整形而输入的数字音频信号的频率带宽相对应的播放带宽的扬声器到输入的数字音频信号; 并且提供由每个数字调制器输出的数字信号的每个位数不同。

4. 发明授权

US08933833B2 Conversion device 有权
标题翻译：转换装置
公开(公告)号：US08933833B2
公开(公告)日：2015-01-13
申请号：US13552270
申请日：2012-07-18
申请人： Akira Yasuda , Jun-ichi Okamura
发明人： Akira Yasuda , Jun-ichi Okamura
IPC分类号： H03M1/12 , H03M9/00 , H03M3/00
CPC分类号： H03M9/00 , H03M3/466
摘要： The disclosed conversion device converts an analog input signal into a digital signal and outputs thereof, wherein the conversion device comprises a feedback signal generator for performing mismatch shaping on the digital signal that has been converted and output, and then performing digital-analog conversion to generate a feedback signal; a subtractor for subtracting the feedback signal from the analog input signal and outputting thereof; a serial-parallel converter for converting the signal output from the subtractor into a plurality of parallel signals and outputting thereof; a vector filter for performing signal processing on the plurality of parallel signals output by the serial-parallel converter and outputting a plurality of signals; a quantizer for quantizing the plurality of signals output by the vector filter and outputting digital signals; and a parallel-serial converter for converting the digital signals output by the quantizer into serial signals and outputting thereof.
摘要翻译：所公开的转换装置将模拟输入信号转换为数字信号及其输出，其中转换装置包括用于对已转换和输出的数字信号执行失配整形，然后进行数模转换以产生反馈信号; 减法器，用于从模拟输入信号中减去反馈信号并输出; 串行并行转换器，用于将从减法器输出的信号转换为多个并行信号并输出; 矢量滤波器，用于对由串并转换器输出的多个并行信号执行信号处理并输出多个信号; 量化器，用于量化由矢量滤波器输出的多个信号并输出数字信号; 以及用于将由量化器输出的数字信号转换为串行信号并输出的并行串行转换器。

5. 发明授权

US09300310B2 Selection device 有权
标题翻译：选择装置
公开(公告)号：US09300310B2
公开(公告)日：2016-03-29
申请号：US13221335
申请日：2011-08-30
申请人： Akira Yasuda , Jun-ichi Okamura
发明人： Akira Yasuda , Jun-ichi Okamura
IPC分类号： H02B1/00 , H03M1/66 , H04R3/00 , H03M1/06 , H03M1/74 , H03M3/00
CPC分类号： H03M1/066 , H03M1/74 , H03M3/502 , H04R3/00 , H04R2420/03
摘要： A selection device includes an acquisition part to acquire digital selection signals, and an output part to output selection signals to respective unit cells, each unit cell capable of being commanded to output the value zero. In the selection device, each selection signal is to command the unit cell to output a value corresponding to that selection signal; the sum of the values to be output as commanded by the respective selection signals, which are output to the respective unit cells, is a value determined in association with the digital selection signal; and if the output corresponding to the digital selection signal is the value zero, then selection signals each commanding to output a non-zero value (N) are output to some of the unit cells.
摘要翻译：选择装置包括获取数字选择信号的获取部分和输出部分，以将选择信号输出到各个单元，每个能够被命令输出零值的单位单元。在选择装置中，每个选择信号是命令单位单元输出与该选择信号对应的值; 输出到各个单位单元的由各个选择信号命令输出的值的和是与数字选择信号相关联地确定的值; 并且如果对应于数字选择信号的输出值为零，则每个命令输出非零值（N）的选择信号被输出到一些单位单元。

6. 发明授权

US09113256B2 Acoustic playback system 有权
公开(公告)号：US09113256B2
公开(公告)日：2015-08-18
申请号：US12929070
申请日：2010-12-28
申请人： Akira Yasuda , Jun-ichi Okamura
发明人： Akira Yasuda , Jun-ichi Okamura
IPC分类号： G06F17/00 , H04R3/14 , H04R3/12
摘要： An acoustic playback system including a digital filter; and a plurality of digital modulators each of which output a digital signal to one of a plurality of speakers configured with speakers driven by digital signals having different play back bandwidths; wherein the digital filter converts a digital audio signal which is input into a plurality of digital audio signals of a plurality of frequency bandwidths corresponding to play back bandwidths of the plurality of speakers, and outputs each of the digital audio signals of the plurality of frequency bandwidths to one of the plurality of digital modulators; each of the plurality of digital modulators outputs the modulated digital signal to the speaker of a play back bandwidth corresponding to a frequency bandwidth of the digital audio signal which is input by performing miss match shaping after noise shaping to a digital audio signal which is input; and each number of bits of a digital signal which is output by each of the digital modulators is different is provided.

7. 发明申请

US20110160883A1 Acoustic playback system 有权
标题翻译：声学播放系统
公开(公告)号：US20110160883A1
公开(公告)日：2011-06-30
申请号：US12929070
申请日：2010-12-28
申请人： Akira Yasuda , Jun-ichi Okamura
发明人： Akira Yasuda , Jun-ichi Okamura
IPC分类号： G06F17/00
CPC分类号： H04R3/14 , G06F17/3074 , H04R3/12 , H04R2420/00 , H04R2420/03 , H04R2420/05 , H04R2430/01 , H04R2430/03 , H04R2499/13
摘要： An acoustic playback system including a digital filter; and a plurality of digital modulators each of which output a digital signal to one of a plurality of speakers configured with speakers driven by digital signals having different play back bandwidths; wherein the digital filter converts a digital audio signal which is input into a plurality of digital audio signals of a plurality of frequency bandwidths corresponding to play back bandwidths of the plurality of speakers, and outputs each of the digital audio signals of the plurality of frequency bandwidths to one of the plurality of digital modulators; each of the plurality of digital modulators outputs the modulated digital signal to the speaker of a play back bandwidth corresponding to a frequency bandwidth of the digital audio signal which is input by performing miss match shaping after noise shaping to a digital audio signal which is input; and each number of bits of a digital signal which is output by each of the digital modulators is different is provided.
摘要翻译：包括数字滤波器的声学回放系统; 以及多个数字调制器，每个数字调制器将数字信号输出到配置有由具有不同播放带宽的数字信号驱动的扬声器的多个扬声器之一; 其中所述数字滤波器将输入的数字音频信号转换为与所述多个扬声器的播放带宽对应的多个频率带宽的多个数字音频信号，并输出所述多个频率带宽中的每个所述数字音频信号涉及多个数字调制器之一; 多个数字调制器中的每一个数字调制器将经调制的数字信号输出到与通过在噪声整形之后执行未命中匹配整形而输入的数字音频信号的频率带宽相对应的播放带宽的扬声器到输入的数字音频信号; 并且提供由每个数字调制器输出的数字信号的每个位数不同。

8. 发明申请

US20100103542A1 FOCUSING DEVICE AND IMAGING DEVICE 有权
标题翻译：聚焦装置和成像装置
公开(公告)号：US20100103542A1
公开(公告)日：2010-04-29
申请号：US11910177
申请日：2006-03-17
申请人： Akira Yasuda , Takeshi Kinoshita , Toshihiro Hirai
发明人： Akira Yasuda , Takeshi Kinoshita , Toshihiro Hirai
IPC分类号： G02B7/04
CPC分类号： G02B7/08
摘要： A focusing device of simple construction that is miniaturizable, and an imaging device utilizing the same, are provided. A focusing device (10) comprises an actuator (11), a lens holder (12) that holds lenses (13a) and (13b), and a holder support base (14) upon which the lens holder (12) is installed. The actuator (11) comprises a polymer layer (51), a positive electrode (52) that is formed upon the holder support base (14), and a negative electrode (53) that is formed upon the lens holder (12). When the applied voltage between the positive electrode (52) and the negative electrode (53) rises, the polymer layer (51) deforms radially outward along the positive electrode (52). Along with this deformation of the polymer layer (51), the actuator (11) moves the lens holder (12) along the optical axis.
摘要翻译：提供了一种小型化的简单结构的聚焦装置，以及使用该聚焦装置的成像装置。聚焦装置（10）包括致动器（11），保持透镜（13a）和（13b）的透镜保持器（12）和安装透镜保持器（12）的保持器支撑基座（14）。致动器（11）包括聚合物层（51），形成在保持器支撑基座（14）上的正极（52）和形成在透镜保持器（12）上的负极（53）。当正极（52）和负极（53）之间的施加电压升高时，聚合物层（51）沿着正极（52）径向向外变形。随着聚合物层（51）的这种变形，致动器（11）沿着光轴移动透镜架（12）。

9. 发明申请

US20080240707A1 Actuator, shutter driving device for camera and method of manufacturing actuator 有权
标题翻译：执行机构，摄像机快门驱动装置及制造执行机构的方法
公开(公告)号：US20080240707A1
公开(公告)日：2008-10-02
申请号：US12078160
申请日：2008-03-27
申请人： Akira Yasuda , Akihiro Ito , Masato Tanaka
发明人： Akira Yasuda , Akihiro Ito , Masato Tanaka
IPC分类号： G03B9/10 , H02K7/14 , H02K15/02
CPC分类号： G03B9/10 , H02K1/30 , H02K7/14 , H02K15/03 , H02K37/16 , Y10T29/49012
摘要： An actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with different magnetic poles in a circumferential direction, and rotated by magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a member. The outputting member fits onto the rotor, and the rotor has at least one of a recess portion and a projection portion at a fitting surface of the rotor. The outputting member is jointed with the rotor so as to have a shape corresponding to the at least one of the recess portion and the projection portion by welding.
摘要翻译：致动器包括：用于激励的线圈; 通过线圈通电激励不同磁极的定子; 在圆周方向上以不同磁极磁化的转子，并且通过在转子和定子之间产生磁力而旋转的转子; 以及与转子一起旋转并输出转子到构件的旋转运动的输出构件。输出部件配合在转子上，转子在转子的嵌合面具有凹部和凸部中的至少一方。输出构件通过焊接与转子接合以具有与凹部和突出部中的至少一个相对应的形状。

10. 发明申请

US20060072658A1 Spread frequency spectrum waveform generating circuit 有权
标题翻译：扩频波形发生电路
公开(公告)号：US20060072658A1
公开(公告)日：2006-04-06
申请号：US11238740
申请日：2005-09-29
申请人： Akira Yasuda , Takashi Kimura
发明人： Akira Yasuda , Takashi Kimura
IPC分类号： H03K7/08
CPC分类号： H04B15/02 , H03F3/217 , H03K7/08 , H04B2215/067
摘要： The objective of this invention is to provide a circuit that generates a spread frequency spectrum waveform with shaped frequency spectrum distribution. The waveform generator has a spread spectrum waveform generating circuit 1 that generates a waveform with a spread spectrum and frequency spectrum distribution shaping circuit that shapes the frequency spectrum distribution of the spread spectrum waveform. In one embodiment, distribution shaping circuit can perform shaping such that the spread spectrum waveform has a frequency spectrum distribution having a spectrum reducing part in at least one band. Also, in one embodiment, the frequency of the spread spectrum waveform can vary periodically or nonperiodically.
摘要翻译：本发明的目的是提供一种产生具有整形频谱分布的扩展频谱波形的电路。波形发生器具有扩频波形发生电路1，该扩展频谱波形发生电路1产生具有扩展频谱和频谱分布整形电路的波形，其形成扩频波形的频谱分布。在一个实施例中，分布整形电路可以进行成形，使得扩频波形具有在至少一个频带中具有频谱减少部分的频谱分布。此外，在一个实施例中，扩频波形的频率可以周期性地或非周期性地变化。

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