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1. 发明专利

JP2015029313A スピーカーボックス有权
标题翻译：扬声器盒
公开(公告)号：JP2015029313A
公开(公告)日：2015-02-12
申请号：JP2014185599
申请日：2014-09-11
申请人：株式会社 Trigence Semiconductor , Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： YASUDA AKIRA , OKAMURA JUNICHI
IPC分类号： H04R3/00 , H04R1/02
CPC分类号： H04R3/14 , G06F17/3074 , H04R3/12 , H04R2420/00 , H04R2420/03 , H04R2420/05 , H04R2430/01 , H04R2430/03 , H04R2499/13
摘要：【課題】スピーカを駆動する際に放射されるEMIの強度を減らす。【解決手段】開口部が形成された筐体を含むスピーカーボックスであり、前記開口部にk個のデジタル入力端子を有するデジタルスピーカが配置され、前記筐体の内部に前記デジタルスピーカを駆動するデジタル変調回路が配置され、前記デジタル変調回路は、入力されるデジタル音声信号を変調し、mビットのデジタル信号を出力するフィルターと、それぞれが前記mビットのデジタル信号の一部が入力され前記k個のデジタル入力端子に信号を出力するk個の駆動回路と、を有するスピーカーボックスを提供する。【選択図】図20
摘要翻译：要解决的问题：降低驱动扬声器时EMI辐射的强度。解决方案：包括具有开口的外壳的扬声器盒包括：设置在开口上的数字扬声器，每个具有k个数字输入端子; 以及设置在外壳内并驱动数字扬声器的数字调制电路。数字调制电路各自具有用于调制输入的数字音频信号并输出m位数字信号的滤波器，以及每个接收一部分m位数字信号并输出到k个数字输入端的信号的k个驱动电路。

2. 发明专利

JP2014168293A Data conversion apparatus 有权
标题翻译：数据转换装置
公开(公告)号：JP2014168293A
公开(公告)日：2014-09-11
申请号：JP2014098585
申请日：2014-05-12
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： YASUDA AKIRA , OKAMURA JUNICHI
IPC分类号： H03M3/02
CPC分类号： H04R3/08 , H03G3/20 , H03H15/00 , H03M3/344 , H03M3/414 , H03M3/504 , H03M7/3022 , H04R1/005 , H04R3/00 , H04R17/005
摘要： PROBLEM TO BE SOLVED: To provide a digital/analog conversion apparatus for converting a digital signal to an analog signal which can generate a high quality analog signal at a high resolution and in a small circuit scale even if elements constituting the digital/analog conversion apparatus have variations.SOLUTION: A data conversion apparatus provided comprises: a ΔΣ modulator for reducing the number of bits of an input signal; a data converter for reformatting an output signal of the ΔΣ modulator; a delayer for delaying an output signal of the data converter; a plurality of output units each having a switching amplifier for outputting a ternary signal; an electroacoustic signal converter for supplying respective ternary signals output from the plurality of output units to a plurality of elements for conversion to physical displacement force, respectively, and outputting a composite physical displacement force; and a selector for selectively outputting an output signal of the delayer to the plurality of output units in accordance with a history of selection of the plurality of output units.
摘要翻译：要解决的问题：提供一种数字/模拟转换装置，用于将数字信号转换成模拟信号，即使构成数/模转换装置的元件也能以高分辨率和小电路产生高质量的模拟信号具有变体。解决方案：提供的数据转换装置包括：＆Dgr＆调制器，用于减少输入信号的位数; 数据转换器，用于重新格式化＆Dgr＆amp; Sgr的输出信号; 调制器; 延迟器，用于延迟数据转换器的输出信号; 多个输出单元，每个输出单元具有用于输出三进制信号的开关放大器; 电声信号转换器，用于将从多个输出单元输出的各个三态信号分别提供给多个元件以分别转换成物理位移力，并输出复合物理位移力; 以及选择器，用于根据多个输出单元的选择历史来选择性地将延迟器的输出信号输出到多个输出单元。

3. 发明专利

JP2011211725A Digital/analog conversion apparatus 有权
标题翻译：数字/模拟转换设备
公开(公告)号：JP2011211725A
公开(公告)日：2011-10-20
申请号：JP2011109351
申请日：2011-05-16
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： YASUDA AKIRA , OKAMURA JUNICHI
IPC分类号： H03M7/32 , H04R3/00 , H04R9/04 , H04R17/00
CPC分类号： H04R3/08 , H03G3/20 , H03H15/00 , H03M3/344 , H03M3/414 , H03M3/504 , H03M7/3022 , H04R1/005 , H04R3/00 , H04R17/005
摘要： PROBLEM TO BE SOLVED: To provide a digital/analog conversion apparatus having a high resolution and a small circuit size, which enables generating a high-quality analog signal even when elements configuring the digital/analog conversion apparatus for converting a digital signal into an analog signal have variance.SOLUTION: A data conversion apparatus is provided with a first data converter for reducing the number of bits of an input signal, a second data converter for converting a format of the first output signal, and a third data converter for converting into a code which corresponds to the history of an output of the second data converter.
摘要翻译：要解决的问题：为了提供具有高分辨率和小电路尺寸的数字/模拟转换装置，即使当构成用于将数字信号转换为模拟的数字/模拟转换装置的元件时，也能够产生高质量的模拟信号信号具有方差。解决方案：数据转换装置具有用于减少输入信号的位数的第一数据转换器，用于转换第一输出信号的格式的第二数据转换器和用于转换成对应于第二数据转换器的输出的历史的代码。

4. 发明专利

JP2012090294A Digital-analog conversion apparatus 有权
标题翻译：数字模拟转换设备
公开(公告)号：JP2012090294A
公开(公告)日：2012-05-10
申请号：JP2011255378
申请日：2011-11-22
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： YASUDA AKIRA , OKAMURA JUNICHI
IPC分类号： H03M3/02 , H04R3/00 , H04R9/04 , H04R17/00
CPC分类号： H04R3/08 , H03G3/20 , H03H15/00 , H03M3/344 , H03M3/414 , H03M3/504 , H03M7/3022 , H04R1/005 , H04R3/00 , H04R17/005
摘要： PROBLEM TO BE SOLVED: To achieve a digital-analog conversion apparatus capable of generating a high-quality analog signal, having a high resolution and a small circuit scale even when elements constituting the digital-analog conversion apparatus converting a digital signal into an analog signal have variations.SOLUTION: A data conversion apparatus for sound reproduction has: a ΔΣ modulator reducing the bit number of an input signal; a data converter converting a format of an output signal of the ΔΣ modulator; a delayer delaying an output signal of the data converter; a plurality of output units each having a switching amplifier that outputs a 3-value signal; an electroacoustic signal transducer that supplies the respective 3-value signals outputted from the plurality of output units to the respective elements for converting the 3-value signal into a physical displacement force to combine the physical displacement forces and output the combined physical displacement force; and a selector outputting an output signal from the delayer to the plurality of output units selected depending on the selection history of the plurality of output units.
摘要翻译：要解决的问题：为了实现能够产生高质量模拟信号的数模转换装置，即使构成将数字信号转换成数字信号的元件变为高分辨率和小电路规模模拟信号有变化。解决方案：用于声音再现的数据转换装置具有：减少输入信号的位数的ΔΣ调制器; 转换ΔΣ调制器的输出信号的格式的数据转换器; 延迟器延迟数据转换器的输出信号; 多个输出单元，每个具有输出3值信号的开关放大器; 电声信号传感器，其将从多个输出单元输出的各个3值信号提供给各个元件，用于将3值信号转换为物理位移力，以组合物理位移力并输出组合的物理位移力; 以及选择器，其将来自延迟器的输出信号输出到根据多个输出单元的选择历史选择的多个输出单元。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010028785A Digital speaker drive, digital speaker device, actuator, planar display device, and mobile electronic apparatus 有权
标题翻译：数字扬声器驱动器，数字扬声器装置，执行器，平面显示装置和移动电子装置
公开(公告)号：JP2010028785A
公开(公告)日：2010-02-04
申请号：JP2008314929
申请日：2008-12-10
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： OKAMURA JUNICHI , YASUDA AKIRA
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： PROBLEM TO BE SOLVED: To provide a digital acoustic system optimum for a digital speaker device for converting an analog audio directly by a circuit to output a plurality of digital signals using a ΔΣ modulator and a mismatch shaping filter circuit, and a plurality of speakers driven by a plurality of digital signals. SOLUTION: A digital speaker drive includes: the ΔΣ modulator 201; a back-end filter 202; s drive circuits 2031-203s; and a power circuit 205 for supplying power to the ΔΣ modulator, back-end filter, and s drive elements. The s drive circuits correspond to s digital signal terminals. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供数字扬声器装置的最佳数字声学系统，用于通过电路直接转换模拟音频，以使用ΔΣ调制器和失配整形滤波器电路输出多个数字信号，并且多个的扬声器由多个数字信号驱动。数字扬声器驱动器包括：ΔΣ调制器201; 后端滤波器202; 驱动电路2031-203s; 以及用于向ΔΣ调制器，后端滤波器和s驱动元件供电的电源电路205。 s驱动电路对应于数字信号端子。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2014158276A Headphone device and personal computer 有权
标题翻译：耳机设备和个人计算机
公开(公告)号：JP2014158276A
公开(公告)日：2014-08-28
申请号：JP2014081167
申请日：2014-04-10
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： OKAMURA JUNICHI , YASUDA AKIRA
IPC分类号： H04R3/00 , H04R1/02 , H04R1/10 , H04R3/12
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： PROBLEM TO BE SOLVED: To provide a digital acoustic system optimal for a digital speaker device converting an analog voice directly by a circuit, outputting a plurality of digital signals by means of a ΔΣ modulator and a mismatch shaping filter circuit, and a plurality of speakers being driven by the plurality of digital signals.SOLUTION: A headphone device includes a digital speaker having s digital input terminals, and a digital speaker drive unit for driving the digital speaker. The digital speaker drive unit includes a ΔΣ modulator for modulating a digital input signal and outputting an n-bit digital signal, and a post-filter connected with the ΔΣ modulator and outputting an m-bit digital signal produced by mismatch shaping the n-bit digital signal, and s drive circuits each receiving a part of the m-bit digital signal and outputting a digital signal. The s drive circuits correspond to the s digital input terminals.
摘要翻译：要解决的问题：为了提供一种数字音响系统的最佳数字音响系统，用于通过电路直接转换模拟声音的数字扬声器装置，通过＆Dgr＆amp; Sgr输出多个数字信号; 调制器和失配整形滤波器电路，以及由多个数字信号驱动的多个扬声器。解决方案：耳机装置包括具有数字输入端的数字扬声器和用于驱动数字扬声器的数字扬声器驱动单元。数字扬声器驱动单元包括＆Dgr＆amp; 调制器，用于调制数字输入信号并输出n位数字信号;以及后置滤波器，与＆Dgr＆amp; 并且输出通过对n位数字信号进行失配整形而产生的m位数字信号，以及每个接收一部分m位数字信号并输出数字信号的s个驱动电路。 s驱动电路对应于数字输入端子。

7. 发明专利

JP2014053953A Acoustic system 审中-公开
标题翻译：声学系统
公开(公告)号：JP2014053953A
公开(公告)日：2014-03-20
申请号：JP2013229250
申请日：2013-11-05
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： YASUDA AKIRA , OKAMURA JUNICHI
IPC分类号： H04R3/00
CPC分类号： H04R3/14 , G06F17/3074 , H04R3/12 , H04R2420/00 , H04R2420/03 , H04R2420/05 , H04R2430/01 , H04R2430/03 , H04R2499/13
摘要： PROBLEM TO BE SOLVED: To provide an acoustic system capable of suppressing fluctuation peculiar to coils.SOLUTION: An acoustic system includes: a digital modulator for converting input digital sound signals by performing a noise-shaping followed by a mismatch-shaping on the signals, and outputting a plurality of bits of converted digital signals; and a speaker having a plurality of coils to which a plurality of bit signals of the digital signals are supplied. The plurality of coils form a plurality of layers around a coil axis, the position of each coil in adjoining layers shifts one by one except for the coils at both ends in the layer.
摘要翻译：要解决的问题：提供一种能够抑制线圈特有的波动的声学系统。解决方案：声学系统包括：数字调制器，用于通过执行噪声整形，随后对信号进行失配整形来转换输入数字声音信号，并输出转换的数字信号的多个位; 以及具有多个线圈的扬声器，数字信号的多个位信号被提供给多个线圈。多个线圈围绕线圈轴线形成多个层，每个线圈在相邻层中的位置逐渐移动，除了层中两端的线圈之外。

8. 发明专利

JP2010028784A Digital speaker drive device, digital speaker device, actuator, planar display device, and mobile electronic apparatus 有权
标题翻译：数字扬声器驱动装置，数字扬声器装置，执行器，平面显示装置和移动电子装置
公开(公告)号：JP2010028784A
公开(公告)日：2010-02-04
申请号：JP2008314905
申请日：2008-12-10
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： OKAMURA JUNICHI , YASUDA AKIRA
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： PROBLEM TO BE SOLVED: To provide a digital acoustic system optimum for a digital speaker device for directly converting an analog audio by a circuit to output a plurality of digital signals using a ΔΣ modulator and a mismatch shaping filter circuit, and a plurality of speakers driven by a plurality of digital signals. SOLUTION: A digital speaker drive device includes: the ΔΣ modulator 201; a back-end filter 202; s drive circuits 2041-204s; and a power circuit 205 for supplying power to the ΔΣ modulator, back-end filter, and s drive elements. The s drive circuits correspond to s digital signal terminals. Preferably, the power circuit adjusts the output amplitude of a digital signal of s drive circuits by supplying a variable voltage to the s drive elements. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种数字扬声器装置的最佳数字声学系统，用于通过电路直接转换模拟音频，以使用ΔΣ调制器和失配整形滤波器电路输出多个数字信号，并且多个的扬声器由多个数字信号驱动。数字扬声器驱动装置包括：ΔΣ调制器201; 后端滤波器202; 驱动电路2041-204s; 以及用于向ΔΣ调制器，后端滤波器和s驱动元件供电的电源电路205。 s驱动电路对应于数字信号端子。优选地，电源电路通过向s个驱动元件提供可变电压来调整s个驱动电路的数字信号的输出幅度。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2014187711A Selection device 有权
标题翻译：选择装置
公开(公告)号：JP2014187711A
公开(公告)日：2014-10-02
申请号：JP2014115496
申请日：2014-06-04
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： YASUDA AKIRA , OKAMURA JUNICHI
IPC分类号： H03M1/74
CPC分类号： H03M1/066 , H03M1/74 , H03M3/502 , H04R3/00 , H04R2420/03
摘要： PROBLEM TO BE SOLVED: To prevent the error diffusion effect from weakening, when the value of 0 or a value near 0 is outputted in a D/A converter.SOLUTION: A selection device comprises: an acquisition unit for acquiring a digital selection signal; and an output unit for outputting a selection signal to a plurality of unit cells, respectively. The selection signal instructs the unit cell to output a value corresponding to the selection signal. The total of the values instructed to be outputted by the selection signals outputted to the plurality of unit cells depends on the digital selection signal. If the output corresponding to the digital selection signal has a value 0, there is a unit cell to which a selection signal for instructing to output a value N not 0 is outputted.
摘要翻译：要解决的问题：为了防止误差扩散效应弱化，当在D / A转换器中输出0或接近0的值时。解决方案：选择装置包括：获取单元，用于获取数字选择信号; 以及输出单元，用于分别向多个单位单元输出选择信号。选择信号指示单位单元输出与选择信号对应的值。由输出给多个单位单元的选择信号指示输出的值的总和取决于数字选择信号。如果对应于数字选择信号的输出值为0，则存在用于指示输出值N不为0的选择信号的单位单元。

10. 发明专利

JP2013179706A Data conversion apparatus 有权
标题翻译：数据转换装置
公开(公告)号：JP2013179706A
公开(公告)日：2013-09-09
申请号：JP2013127373
申请日：2013-06-18
申请人： Trigence Semiconductor Inc , 株式会社 Trigence Semiconductor
发明人： YASUDA AKIRA , OKAMURA JUNICHI
IPC分类号： H03M3/02
CPC分类号： H04R3/08 , H03G3/20 , H03H15/00 , H03M3/344 , H03M3/414 , H03M3/504 , H03M7/3022 , H04R1/005 , H04R3/00 , H04R17/005
摘要： PROBLEM TO BE SOLVED: To provide a digital/analog conversion apparatus for converting a digital signal to an analog signal which can generate a high quality analog signal at a high resolution and in a small circuit scale even if elements constituting the digital/analog conversion apparatus have variations.SOLUTION: A data conversion apparatus provided comprises: a ΔΣ modulator for reducing the number of bits of an input signal; a data converter for reformatting an output signal of the ΔΣ modulator; a delayer for delaying an output signal of the data converter; a plurality of output units each having a switching amplifier for outputting a ternary signal; an electroacoustic signal converter for supplying respective ternary signals output from the plurality of output units to a plurality of elements for conversion to physical displacement force, respectively, and outputting a composite physical displacement force; and a selector for selectively outputting an output signal of the delayer to the plurality of output units in accordance with a history of selection of the plurality of output units.
摘要翻译：要解决的问题：提供一种数字/模拟转换装置，用于将数字信号转换成模拟信号，即使构成数/模转换装置的元件也能以高分辨率和小电路产生高质量的模拟信号具有变体。解决方案：提供的数据转换装置包括：＆Dgr＆调制器，用于减少输入信号的位数; 数据转换器，用于重新格式化＆Dgr＆amp; Sgr的输出信号; 调制器延迟器，用于延迟数据转换器的输出信号; 多个输出单元，每个输出单元具有用于输出三进制信号的开关放大器; 电声信号转换器，用于将从多个输出单元输出的各个三态信号分别提供给多个元件以分别转换成物理位移力，并输出复合物理位移力; 以及选择器，用于根据多个输出单元的选择历史来选择性地将延迟器的输出信号输出到多个输出单元。

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