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公开(公告)号：US20150236713A1
公开(公告)日：2015-08-20
申请号：US14695385
申请日：2015-04-24
Applicant: Trigence Semiconductor, Inc.
Inventor： Akira YASUDA , Jun-ichi OKAMURA
IPC: H03M3/00
Abstract: Provided is a data converter which is provided with a clock signal input part which inputs a clock signal, and an input part which inputs an input signal, a sampling part which, in response to the clock signal input to the clock signal input part, performs sampling of the input signal input to the input part, and a signal processing part which performs signal processing according to the sampling cycle and outputs an output signal, wherein when the cycle of the clock signal input to the clock signal input part becomes longer, the output signals output by the signal processing part are reduced.
Abstract translation: 提供了一种数据转换器，其设置有输入时钟信号的时钟信号输入部分和输入输入信号的输入部分，响应于输入到时钟信号输入部分的时钟信号执行的采样部分 输入到输入部的输入信号的采样，以及根据采样周期执行信号处理的信号处理部，输出输出信号，其中，当输入到时钟信号输入部的时钟信号的周期变长时， 减少由信号处理部输出的输出信号。
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公开(公告)号：US20140236332A1
公开(公告)日：2014-08-21
申请号：US14260793
申请日：2014-04-24
Applicant: Trigence Semiconductor, Inc.
Inventor： Akira YASUDA , Jun-ichi OKAMURA
IPC: G06F17/30 , G10L19/018
CPC classification number: H03F3/2175 , G06F17/3074 , H03F2200/331 , H04H20/88 , H04R1/005 , H04R3/00 , H04R9/063 , H04R27/00 , H04R2209/026 , H04R2209/041 , H04R2460/03
Abstract: Provided is a digital acoustic system comprising: a ΔΣ modulator that modulates a digital input signal and outputs a digital signal; a post-filter that is connected to the ΔΣ modulator and which performs mismatch shaping to convert the digital signal; a parallel-serial converter that converts the digital signal converted by the post-filter into a digital signal which is serially transmitted; a serial-parallel converter that restores the digital signal converted by the parallel-serial converter; and a drive circuit which receives the digital signal restored by the serial-parallel converter, and drives drive elements to convert the signal into an analog audio signal.
Abstract translation: 提供了一种数字声学系统，包括：＆Dgr＆ 调制器，其调制数字输入信号并输出数字信号; 一个连接到＆Dgr＆＆Sgr的后置过滤器 并且其执行失配整形以转换数字信号; 将由后置滤波器转换的数字信号转换成串行发送的数字信号的并行串行转换器; 并行转换器，用于恢复并行转换器转换的数字信号; 以及驱动电路，其接收由串并转换器恢复的数字信号，并驱动驱动元件将信号转换为模拟音频信号。
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公开(公告)号：US20140169577A1
公开(公告)日：2014-06-19
申请号：US14178656
申请日：2014-02-12
Applicant: Trigence Semiconductor, Inc.
Inventor： Akira YASUDA , Jun-ichi OKAMURA
IPC: H04R3/00
Abstract: As one embodiment of the present invention, provided is a drive circuit to which a three-value signal including a value representing zero is input, and that outputs two two-value signals that drive two drive elements such that the difference between values representing the two two-value signals corresponds to a value representing the input three-value signal, the drive circuit being characterized by the combination of the output two two-value signals when the value of the input three-value signal represents zero being determined in accordance with the input history of the three-value signal. The drive circuit may also be provided with a memory that records a flag value that is reversed in accordance with the input history of the input three-value signal, and the combination of the output two two-value signals being determined in accordance with the flag.
Abstract translation: 作为本发明的一个实施例，提供了一种驱动电路，其中输入了包括代表零的值的三值信号，并且输出驱动两个驱动元件的两个二值信号，使得表示两个值的值之间的差异 两值信号对应于表示输入三值信号的值，当输入三值信号的值表示零时，驱动电路的特征在于输出两个二值信号的组合，根据 三值信号的输入历史。 驱动电路还可以设置有存储器，该存储器根据输入的三值信号的输入历史记录反转的标志值，并且根据该标志确定输出的两个两值信号的组合 。
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公开(公告)号：US20210368249A1
公开(公告)日：2021-11-25
申请号：US16628789
申请日：2017-06-07
Applicant: TRIGENCE SEMICONDUCTOR, INC.
Inventor： Jun-ichi OKAMURA , Akira YASUDA
Abstract: A speaker device in one embodiment of the present invention includes a plurality of microphones including at least a first microphone and a second microphone, and a speaker unit including a vibrating surface, a distance between a predetermined position on the vibrating surface and the first microphone being equal to a distance between the predetermined position and the second microphone.
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公开(公告)号：US20190058947A1
公开(公告)日：2019-02-21
申请号：US16156706
申请日：2018-10-10
Applicant: TRIGENCE SEMICONDUCTOR, INC.
Inventor： Akira YASUDA , Jun-ichi OKAMURA , Hiroshi IWAMURA
Abstract: A speaker driving device including a setting part configured to set at least one parameter stipulating an equivalent circuit of a first speaker unit as a first parameter, a first calculator configured to change a first frequency response based on the first parameter, the changed first frequency response being applied to an input signal, the first calculator configured to perform amplitude control on a signal obtained with the changed first frequency response to output a first calculation signal, and a driving signal generator configured to generate a drive signal for driving a speaker unit based on the first calculation signal.
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Patent Agency Ranking
公开(公告)号：US20160044402A1
公开(公告)日：2016-02-11
申请号：US14919349
申请日：2015-10-21
Applicant: Trigence Semiconductor Inc.
Inventor： Jun-ichi OKAMURA , Akira YASUDA
CPC classification number: H04R3/00 , H03F3/211 , H03F3/217 , H04R1/005 , H04R1/1008 , H04R3/12 , H04R15/00 , H04R27/00 , H04R2227/003 , H04R2499/13 , H04R2499/15
Abstract: A digital sound system suitable for a digital speaker device to directly convert 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.
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公开(公告)号：US20200336834A1
公开(公告)日：2020-10-22
申请号：US16920478
申请日：2020-07-03
Applicant: Trigence Semiconductor, Inc.
Inventor： Akira YASUDA , Jun-ichi OKAMURA , Hiroshi IWAMURA
Abstract: A speaker driving device includes a first calculation unit, a first driving signal generation unit and a third calculation unit. The first calculation unit outputs a first calculation signal obtained from a first input signal based on response characteristics according to a first parameter defining an equivalent circuit of a first speaker unit. The first driving signal generation unit generates a first driving signal based on a second driving signal and the first calculation signal. The first driving signal drives a first output speaker unit. The third calculation unit generates a third calculation signal from a second input signal based on response characteristics according to a third parameter defining an equivalent circuit of a third speaker unit. The second driving signal generation unit generates the second driving signal based on the first driving signal and the third calculation signal. The second driving signal drive a second output speaker unit.
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公开(公告)号：US20200296512A1
公开(公告)日：2020-09-17
申请号：US16892697
申请日：2020-06-04
Applicant: TRIGENCE SEMICONDUCTOR, INC.
Inventor： Akira YASUDA , Jun-ichi OKAMURA , Hiroshi IWAMURA
Abstract: A speaker driving device including a setting part setting at least one parameter defining an equivalent circuit of a first speaker unit as a first parameter; a first calculator configured to change a first frequency response based on the first parameter, the changed first frequency response being applied to an input signal; and a driving signal generator configured to generate a drive signal for driving a speaker unit based on a first calculation signal, the first calculation signal being obtained by applying the changed first frequency response to the input signal.
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公开(公告)号：US20190058946A1
公开(公告)日：2019-02-21
申请号：US16156653
申请日：2018-10-10
Applicant: TRIGENCE SEMICONDUCTOR, INC.
Inventor： Akira YASUDA , Jun-ichi OKAMURA , Hiroshi IWAMURA
Abstract: A speaker driving device including a setting part setting at least one parameter defining an equivalent circuit of a first speaker unit as a first parameter; a first calculator configured to change a first frequency response based on the first parameter, the changed first frequency response being applied to an input signal; and a driving signal generator configured to generate a drive signal for driving a speaker unit based on a first calculation signal, the first calculation signal being obtained by applying the changed first frequency response to the input signal.
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公开(公告)号：US20160127833A1
公开(公告)日：2016-05-05
申请号：US14926352
申请日：2015-10-29
Applicant: Trigence Semiconductor, Inc.
Inventor： Akira YASUDA , Jun-ichi OKAMURA
CPC classification number: H04R29/003 , H04R2209/022 , H04R2209/041
Abstract: A speaker control device in one embodiment includes a time to digital converter connected to a drive power source in series with a drive circuit for driving a plurality of coils of a speaker, the converter outputting a digital data in accordance with a voltage of the drive power source, and a monitor circuit detecting a state of the plurality of coils of the speaker based on digital data output by the time to digital converter.
Abstract translation: 一个实施例中的扬声器控制装置包括连接到驱动电源的时间数字转换器，该驱动电源与用于驱动扬声器的多个线圈的驱动电路串联，该转换器根据驱动电源的电压输出数字数据 源和监视器电路，其基于由时间到数字转换器输出的数字数据来检测扬声器的多个线圈的状态。
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