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1. 发明申请

US20100014683A1 NOISE REDUCTION DEVICE 有权
标题翻译：噪声减少装置
公开(公告)号：US20100014683A1
公开(公告)日：2010-01-21
申请号：US12501732
申请日：2009-07-13
申请人： Tsuyoshi Maeda , Masaaki Higashida , Toshihiro Ezaki , Yoshifumi Asao , Hiroyuki Kano
发明人： Tsuyoshi Maeda , Masaaki Higashida , Toshihiro Ezaki , Yoshifumi Asao , Hiroyuki Kano
IPC分类号： G10K11/16
CPC分类号： G10K11/178 , G10K2210/111 , G10K2210/1281 , G10K2210/3221
摘要： A noise reduction device including a noise detection microphone including a high-frequency noise detection microphone and a low-frequency noise detection microphone for respectively detecting a high-frequency noise and a low-frequency noise generated from a noise source; a noise control unit for generating a control sound signal for cancelling a noise detected by the noise detection microphone in a control center of control space; and a loudspeaker for outputting a control sound based on the control sound signal from the noise controlling unit. The high-frequency noise microphone is disposed in a vicinity of a head portion of a user in a state in which directivity in an opposite direction with respect to the control center is added, and the low-frequency noise detection microphone is disposed outside of a sound-insulating wall.
摘要翻译：一种降噪装置，包括：噪声检测麦克风，包括用于分别检测由噪声源产生的高频噪声和低频噪声的高频噪声检测麦克风和低频噪声检测麦克风; 噪声控制单元，用于生成用于消除由控制空间的控制中心中的噪声检测麦克风检测到的噪声的控制声音信号; 以及扬声器，用于基于来自噪声控制单元的控制声音信号输出控制声音。高频噪声麦克风在相对于控制中心的相反方向的方向性相加的状态下设置在用户的头部附近，并且低频噪声检测麦克风设置在隔音墙。

2. 发明授权

US09090332B2 Noise reduction device 有权
标题翻译：降噪装置
公开(公告)号：US09090332B2
公开(公告)日：2015-07-28
申请号：US12594385
申请日：2008-12-11
申请人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
发明人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
IPC分类号： G10K11/16 , A61F11/06 , H03B29/00 , B64C1/40 , B60R13/08 , G10K11/178
CPC分类号： B64C1/40 , B60R13/0815 , G10K11/178 , G10K2210/1281 , G10K2210/3221 , Y02T50/46
摘要： A noise reduction device, including a microphone for detecting noise, a noise controller for reversing the phase of noise detected by the microphone based on information outputted from the microphone, and a speaker for outputting sound based on information outputted from the noise controller, is arranged at a seat surrounded by a shell portion having a cavity, wherein a speaker is disposed in the cavity of the shell portion.
摘要翻译：一种降噪装置，包括用于检测噪声的麦克风，用于基于从麦克风输出的信息来反转麦克风检测到的噪声相位的噪声控制器，以及基于从噪声控制器输出的信息输出声音的扬声器。在由具有空腔的外壳部分包围的座位处，其中扬声器设置在外壳部分的空腔中。

3. 发明授权

US08280069B2 Noise reduction apparatus 有权
标题翻译：降噪装置
公开(公告)号：US08280069B2
公开(公告)日：2012-10-02
申请号：US12705743
申请日：2010-02-15
申请人： Tsuyoshi Maeda , Yoshifumi Asao , Hiroyuki Kano
发明人： Tsuyoshi Maeda , Yoshifumi Asao , Hiroyuki Kano
IPC分类号： H04R3/02
CPC分类号： G10K11/17813 , G10K11/1785 , G10K11/17857 , G10K2210/1281 , G10K2210/3027 , G10K2210/3028 , G10K2210/3051 , G10K2210/3219
摘要： In a noise reduction apparatus for controlling noise up to a predetermined upper limited frequency, a distance from a noise source to control point X is made larger than a distance obtained by subtracting a one-half wavelength from a distance, obtained by adding up a distance from the noise source to a noise detecting microphone, a distance corresponding to time as a sum of respective delay time of the noise detecting microphone, a noise controller, and a control speaker, and a distance from the control speaker to control point X, where one wavelength is a period corresponding to the upper limited frequency.
摘要翻译：在用于控制高达预定的上限频率的噪声的降噪装置中，从噪声源到控制点X的距离大于通过从距离中减去一半波长而获得的距离，该距离是通过将距离从噪声源到噪声检测麦克风，与噪声检测麦克风，噪声控制器和控制扬声器的各个延迟时间之和以及从控制扬声器到控制点X的距离的时间对应的距离，其中一个波长是对应于上限频率的周期。

4. 发明申请

US20100104110A1 NOISE REDUCTION DEVICE AND NOISE REDUCTION SYSTEM 有权
标题翻译：噪声减少装置和噪声减少系统
公开(公告)号：US20100104110A1
公开(公告)日：2010-04-29
申请号：US12594214
申请日：2008-12-11
申请人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
发明人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
IPC分类号： G10K11/16 , H04B15/00
CPC分类号： B60R13/0815 , B61K13/00 , B64C1/40 , G10K11/178 , G10K2210/1281 , G10K2210/3221
摘要： It includes a microphone for detecting noise emitted from a noise source, a noise controller for generating control sound signal to reduce noise detected by the microphone based on information from the microphone, and a speaker for outputting control sound based on control sound signal from the noise controller, wherein a plurality of microphones and speakers are arranged for each seat, and a plurality of microphones are arranged in higher density for each seat in a specific direction.
摘要翻译：它包括用于检测从噪声源发出的噪声的麦克风，用于产生控制声音信号的噪声控制器，用于基于来自麦克风的信息产生控制声音信号，以减少麦克风检测到的噪音;以及扬声器，用于基于来自噪声的控制声音信号输出控制声音控制器，其中为每个座椅布置多个麦克风和扬声器，并且在特定方向上为每个座椅以更高的密度布置多个麦克风。

5. 发明授权

US08565442B2 Noise reduction device 有权
标题翻译：降噪装置
公开(公告)号：US08565442B2
公开(公告)日：2013-10-22
申请号：US12501732
申请日：2009-07-13
申请人： Tsuyoshi Maeda , Masaaki Higashida , Toshihiro Ezaki , Yoshifumi Asao , Hiroyuki Kano
发明人： Tsuyoshi Maeda , Masaaki Higashida , Toshihiro Ezaki , Yoshifumi Asao , Hiroyuki Kano
IPC分类号： H03B29/00
CPC分类号： G10K11/178 , G10K2210/111 , G10K2210/1281 , G10K2210/3221
摘要： A noise reduction device including a noise detection microphone including a high-frequency noise detection microphone and a low-frequency noise detection microphone for respectively detecting a high-frequency noise and a low-frequency noise generated from a noise source; a noise control unit for generating a control sound signal for cancelling a noise detected by the noise detection microphone in a control center of control space; and a loudspeaker for outputting a control sound based on the control sound signal from the noise controlling unit. The high-frequency noise microphone is disposed in a vicinity of a head portion of a user in a state in which directivity in an opposite direction with respect to the control center is added, and the low-frequency noise detection microphone is disposed outside of a sound-insulating wall.
摘要翻译：一种降噪装置，包括：噪声检测麦克风，包括用于分别检测由噪声源产生的高频噪声和低频噪声的高频噪声检测麦克风和低频噪声检测麦克风; 噪声控制单元，用于生成用于消除由控制空间的控制中心中的噪声检测麦克风检测到的噪声的控制声音信号; 以及扬声器，用于基于来自噪声控制单元的控制声音信号输出控制声音。高频噪声麦克风在相对于控制中心的相反方向的方向性相加的状态下设置在用户的头部附近，并且低频噪声检测麦克风设置在隔音墙。

6. 发明申请

US20100208911A1 NOISE REDUCTION APPARATUS 有权
标题翻译：噪音减少装置
公开(公告)号：US20100208911A1
公开(公告)日：2010-08-19
申请号：US12705743
申请日：2010-02-15
申请人： Tsuyoshi Maeda , Yoshifumi Asao , Hiroyuki Kano
发明人： Tsuyoshi Maeda , Yoshifumi Asao , Hiroyuki Kano
IPC分类号： H04R3/02
CPC分类号： G10K11/17813 , G10K11/1785 , G10K11/17857 , G10K2210/1281 , G10K2210/3027 , G10K2210/3028 , G10K2210/3051 , G10K2210/3219
摘要： In a noise reduction apparatus for controlling noise up to a predetermined upper limited frequency, a distance from a noise source to control point X is made larger than a distance obtained by subtracting a one-half wavelength from a distance, obtained by adding up a distance from the noise source to a noise detecting microphone, a distance corresponding to time as a sum of respective delay time of the noise detecting microphone, a noise controller, and a control speaker, and a distance from the control speaker to control point X, where one wavelength is a period corresponding to the upper limited frequency.
摘要翻译：在用于控制高达预定的上限频率的噪声的降噪装置中，从噪声源到控制点X的距离大于通过从距离中减去一半波长而获得的距离，该距离是通过将距离从噪声源到噪声检测麦克风，与噪声检测麦克风，噪声控制器和控制扬声器的各个延迟时间之和以及从控制扬声器到控制点X的距离的时间对应的距离，其中一个波长是对应于上限频率的周期。

7. 发明申请

US20100111317A1 NOISE REDUCTION DEVICE 有权
标题翻译：噪声减少装置
公开(公告)号：US20100111317A1
公开(公告)日：2010-05-06
申请号：US12594385
申请日：2008-12-11
申请人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
发明人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
IPC分类号： A61F11/06
CPC分类号： B64C1/40 , B60R13/0815 , G10K11/178 , G10K2210/1281 , G10K2210/3221 , Y02T50/46
摘要： A noise reduction device, including a microphone for detecting noise, a noise controller for reversing the phase of noise detected by the microphone based on information outputted from the microphone, and a speaker for outputting sound based on information outputted from the noise controller, is arranged at a seat surrounded by a shell portion having a cavity, wherein a speaker is disposed in the cavity of the shell portion.
摘要翻译：一种降噪装置，包括用于检测噪声的麦克风，用于基于从麦克风输出的信息来反转麦克风检测到的噪声相位的噪声控制器，以及用于基于从噪声控制器输出的信息输出声音的扬声器。在由具有空腔的外壳部分包围的座位处，其中扬声器设置在外壳部分的空腔中。

8. 发明授权

US09020159B2 Noise reduction device 有权
标题翻译：降噪装置
公开(公告)号：US09020159B2
公开(公告)日：2015-04-28
申请号：US12641732
申请日：2009-12-18
申请人： Keiji Mori , Hiroyuki Kano , Tsuyoshi Maeda , Yoshifumi Asao
发明人： Keiji Mori , Hiroyuki Kano , Tsuyoshi Maeda , Yoshifumi Asao
IPC分类号： A61F11/06 , G10K11/178
CPC分类号： G10K11/1786 , G10K11/178 , G10K2210/1281 , G10K2210/3027 , G10K2210/3055 , G10K2210/3221
摘要： A noise control device includes the following structural elements. A signal memory records both of a noise signal supplied from a noise microphone and an error signal supplied from an error microphone. A filter coefficient calculator calculates a fixed filter coefficient of a control filter by using data recorded in the signal memory. A filter coefficient renewing section renews, at a given timing, a filter coefficient set at a fixed filter in a control filter to a filter coefficient read out from the filter coefficient calculator.
摘要翻译：噪声控制装置包括以下结构元件。信号存储器记录从噪声麦克风提供的噪声信号和从误差麦克风提供的误差信号。滤波器系数计算器通过使用记录在信号存储器中的数据来计算控制滤波器的固定滤波器系数。滤波器系数更新部分在给定的定时将在控制滤波器中的固定滤波器处设置的滤波器系数更新为从滤波器系数计算器读出的滤波器系数。

9. 发明授权

US08718292B2 Noise reduction device and noise reduction system 有权
标题翻译：降噪装置和降噪系统
公开(公告)号：US08718292B2
公开(公告)日：2014-05-06
申请号：US12594214
申请日：2008-12-11
申请人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
发明人： Yoshifumi Asao , Hiroyuki Kano , Masaaki Higashida , Tsuyoshi Maeda , Toshihiro Ezaki
IPC分类号： G10K11/16
CPC分类号： B60R13/0815 , B61K13/00 , B64C1/40 , G10K11/178 , G10K2210/1281 , G10K2210/3221
摘要： It includes a microphone for detecting noise emitted from a noise source, a noise controller for generating control sound signal to reduce noise detected by the microphone based on information from the microphone, and a speaker for outputting control sound based on control sound signal from the noise controller, wherein a plurality of microphones and speakers are arranged for each seat, and a plurality of microphones are arranged in higher density for each seat in a specific direction.
摘要翻译：它包括用于检测从噪声源发出的噪声的麦克风，用于产生控制声音信号的噪声控制器，用于基于来自麦克风的信息产生控制声音信号，以减少麦克风检测到的噪音;以及扬声器，用于基于来自噪声的控制声音信号输出控制声音控制器，其中为每个座椅布置多个麦克风和扬声器，并且在特定方向上为每个座椅以更高的密度布置多个麦克风。

10. 发明申请

US20100166202A1 NOISE REDUCTION DEVICE 有权
标题翻译：噪声减少装置
公开(公告)号：US20100166202A1
公开(公告)日：2010-07-01
申请号：US12641732
申请日：2009-12-18
申请人： Keiji Mori , Hiroyuki Kano , Tsuyoshi Maeda , Yoshifumi Asao
发明人： Keiji Mori , Hiroyuki Kano , Tsuyoshi Maeda , Yoshifumi Asao
IPC分类号： G10K11/16
CPC分类号： G10K11/1786 , G10K11/178 , G10K2210/1281 , G10K2210/3027 , G10K2210/3055 , G10K2210/3221
摘要： A noise control device includes the following structural elements. A signal memory records both of a noise signal supplied from a noise microphone and an error signal supplied from an error microphone. A filter coefficient calculator calculates a fixed filter coefficient of a control filter by using data recorded in the signal memory. A filter coefficient renewing section renews, at a given timing, a filter coefficient set at a fixed filter in a control filter to a filter coefficient read out from the filter coefficient calculator.
摘要翻译：噪声控制装置包括以下结构元件。信号存储器记录从噪声麦克风提供的噪声信号和从误差麦克风提供的误差信号。滤波器系数计算器通过使用记录在信号存储器中的数据来计算控制滤波器的固定滤波器系数。滤波器系数更新部分在给定的定时将在控制滤波器中的固定滤波器处设置的滤波器系数更新为从滤波器系数计算器读出的滤波器系数。

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