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1. 发明专利

JP2008216375A Active silencer 审中-公开
标题翻译：主动保温
公开(公告)号：JP2008216375A
公开(公告)日：2008-09-18
申请号：JP2007050466
申请日：2007-02-28
申请人： Toshiba Consumer Electronics Holdings Corp , Toshiba Corp , 東芝コンシューマエレクトロニクス・ホールディングス株式会社 , 株式会社東芝
发明人： NISHIMURA OSAMU , EBATO AKIHIKO , HOSAKA TOMOYOSHI , KOJIMA KENJI
IPC分类号： G10K11/178 , A47C7/38 , B60R13/08
摘要： PROBLEM TO BE SOLVED: To combine both advantages of first transversal filter (FTF) algorithm in which initial convergence is fast, and least mean square (LMS) algorithm in which stable convergence is attained even after an error path changes.
SOLUTION: The active silencer comprises: a filter coefficient update section for updating a filter coefficient of a digital filter by an adaptive algorithm; an error microphone for detecting combined sound pressure of control sound and reduction object sound, and outputting a combined sound pressure signal; a signal calculating section for calculating a signal required for updating the filter coefficient in order to generate a control sound signal for minimizing the combined sound pressure signal, and outputting it to the filter coefficient updating section; and a switching section for switching the adaptive algorithm for updating the filter coefficient between the FTF adaptive algorithm and the LMS adaptive algorithm.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了结合初始收敛快的第一横向滤波器（FTF）算法和即使在错误路径改变之后也能获得稳定收敛的最小均方（LMS）算法的优点。解决方案：有源消音器包括：滤波器系数更新部分，用于通过自适应算法更新数字滤波器的滤波器系数; 用于检测控制声音和减少对象声音的组合声压的误差麦克风，并输出组合的声压信号; 信号计算部分，用于计算更新滤波器系数所需的信号，以产生用于使组合的声压信号最小化的控制声音信号，并将其输出到滤波器系数更新部分; 以及用于切换用于更新FTF自适应算法和LMS自适应算法之间的滤波器系数的自适应算法的切换部分。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2013110632A Sound collection apparatus and electronic apparatus having the same 审中-公开
标题翻译：声音收集装置和具有相同功能的电子装置
公开(公告)号：JP2013110632A
公开(公告)日：2013-06-06
申请号：JP2011254910
申请日：2011-11-22
申请人： Toshiba Corp , 株式会社東芝
发明人： SUDO TAKASHI , NISHIMURA OSAMU , EBATO AKIHIKO , HIRUMA TAKAHIRO , NINOMIYA TAKASHI , SAKAI MASARU , KAWAMURA AKINORI , OUCHI KAZUNARI
IPC分类号： H04R1/02 , H04R1/08 , H04R1/34
CPC分类号： H04R1/02 , H04R1/342 , H04R19/005 , H04R19/016 , H04R2499/15
摘要： PROBLEM TO BE SOLVED: To provide a sound collection apparatus which realizes an effective sound collecting function and stable sound input to a microphone even in an electronic apparatus where a space for disposing the microphone is limited.SOLUTION: According to one embodiment, a sound collection apparatus includes: a housing having a passage of a sound wave introduced from an opening and sealed except the opening; and a microphone holding member provided in the housing and holding a microphone which inputs the sound wave transmitting through the passage at a predetermined position.
摘要翻译：要解决的问题：即使在限制用于配置麦克风的空间的电子设备中，也提供了实现有效的声音收集功能和稳定的声音输入到麦克风的声音采集装置。解决方案：根据一个实施例，声音收集装置包括：壳体，其具有从开口引入并且除了开口之外的密封声音的通道; 以及麦克风保持构件，其设置在所述壳体中并且保持麦克风，所述麦克风输入通过所述通道在预定位置传递的所述声波。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2010187276A Speaker system and television 有权
标题翻译：扬声器系统和电视
公开(公告)号：JP2010187276A
公开(公告)日：2010-08-26
申请号：JP2009031052
申请日：2009-02-13
申请人： Toshiba Corp , 株式会社東芝
发明人： EBATO AKIHIKO , NISHIMURA OSAMU
IPC分类号： H04R1/28 , H04N5/64 , H04R1/02
摘要： PROBLEM TO BE SOLVED: To improve the acoustic characteristics in a speaker system equipped with a speaker that extends planarly and an enclosure housing it.
SOLUTION: The speaker system includes a speaker 1 extending planarly, and an enclosure 2 which builds in the speaker 1. The enclosure 2 has a front plate, covering the front of the speaker 1, and a back plate 21 covering the back of the speaker 1 which is parallel to the front plate, and a side plate 22 in which at least one aperture portion 23 is formed, mutually connecting each circumference of the front plate and the back plate 21. The aperture portion 23 is partitioned into a plurality of small apertures, arranged at least into two columns by a plurality of tubular bodies 24.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提高配备有平面延伸的扬声器的扬声器系统和容纳其的外壳的声学特性。扬声器系统包括平面延伸的扬声器1和构成在扬声器1中的外壳2.外壳2具有覆盖扬声器1的前部的前板和覆盖背面的背板21 扬声器1与前板平行的侧板22和形成有至少一个开口部23的侧板22，彼此连接前板和后板21的每个周边。开口部分23被分隔成多个小孔，通过多个管状体24至少布置成两列。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2006105484A Noise reduction device and noise reduction method 审中-公开
标题翻译：噪声减少装置和噪声减少方法
公开(公告)号：JP2006105484A
公开(公告)日：2006-04-20
申请号：JP2004292625
申请日：2004-10-05
申请人： Kajima Corp , Toshiba Corp , 株式会社東芝 , 鹿島建設株式会社
发明人： MORIKAWA YUICHI , EBATO AKIHIKO , TAKEUCHI TAKASHI
IPC分类号： F24F13/02 , F16L55/02 , G10K11/16 , G10K11/178
摘要： PROBLEM TO BE SOLVED: To provide a one-channel active muffler with the simplest system structure not needing addition of a special element into a duct by designing the duct inlet port shape. SOLUTION: This device comprises, as a hardware setting configuration within a casing, an opening part 2 through which noise comes into the casing 1, the opening part having a dimension capable of considering the noise as active muffling top plane wave; a reference microphone 4 set in the vicinity of the opening part inlet; and an additive sound source speaker 5 located in a position separated from the reference microphone 4 through the wall surface of the casing 1 or separated to the downstream side of the incoming noise within a duct structure connected to the opening part; and an error microphone 6 set on the further downstream side of the noise from the additive sound source speaker 5. This device further comprises an additive sound source speaker system for outputting, based on the signal of the reference microphone 4, a signal by use of an evaluation function minimizing the signal of the error microphone 6 in a control device. The setting range of the error microphone 6 is regulated according to the dimension of the opening part, whereby the noise can be controlled as active muffling plane wave. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有最简单的系统结构的单通道主动式消音器，不需要通过设计管道入口端口形状而将特殊元件添加到管道中。解决方案：该装置包括壳体内的硬件设置构造，噪声进入壳体1的开口部分2，开口部分具有能够将噪声视为主动消声顶平面波的尺寸; 设置在开口部入口附近的基准麦克风4; 和位于与基准麦克风4分离的位置的附加声源扬声器5，通过壳体1的壁面或分离到与开口部连接的导管结构内的输入噪声的下游侧; 以及设置在来自加法声源扬声器5的噪声的更下游侧的误差麦克风6.该装置还包括附加声源扬声器系统，用于基于参考麦克风4的信号输出使用评估功能使控制装置中的误差麦克风6的信号最小化。误差麦克风6的设定范围根据开口部的尺寸进行调整，能够将噪声控制为主动消声平面波。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005316452A Active silencer 有权
标题翻译：主动保温
公开(公告)号：JP2005316452A
公开(公告)日：2005-11-10
申请号：JP2005097750
申请日：2005-03-30
申请人： Toshiba Corp , 株式会社東芝
发明人： EBATO AKIHIKO , MATSUKURA KUNIO , AOYANAGI SATOSHI
IPC分类号： G10K11/178
摘要： PROBLEM TO BE SOLVED: To provide an active silencer which is adaptive to secular changes of a noise source without dependence on a sound field environment, also without using a control microphone, and is able to muffle the whole surroundings of the noise source.
SOLUTION: The active silencer is provided with a control speaker 14 for producing control sound, a reference signal detection part 11 for detecting sound to be reduced, and a control circuit for outputting a control current for producing control sound from the control sound source in an amplitude/phase that minimizes a signal detected by the reference signal detection part 11 based on the reference signal detected by the reference signal detection part 11; and the control circuit is provided with a phase adjustment part 13 for adjusting the phase of the reference signal, an amplitude adjustment part 12 for adjusting the amplitude of the reference signal, and a current/voltage detection part 16 for detecting a driving current/voltage for the control speaker 14, and controls the phase control part 13 or the amplitude adjustment part 12 based on the driving current/voltage detected by the current/voltage detection part 16.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种有源消声器，其不依赖于声场环境而适应于噪声源的长期变化，也不使用控制麦克风，并且能够消除噪声源的整个环境。解决方案：有源消音器设置有用于产生控制声音的控制扬声器14，用于检测要减小的声音的参考信号检测部分11，以及用于从控制声音输出用于产生控制声音的控制电流的控制电路基于由参考信号检测部分11检测的参考信号使得由参考信号检测部分11检测到的信号最小化的振幅/相位源; 并且控制电路设置有用于调整参考信号的相位的相位调整部13，用于调整参考信号的幅度的振幅调整部12以及用于检测驱动电流/电压的电流/电压检测部16 用于控制扬声器14，并且基于由电流/电压检测部分16检测到的驱动电流/电压来控制相位控制部件13或振幅调节部件12.版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005164719A Noise reducing device 审中-公开
标题翻译：噪音降低装置
公开(公告)号：JP2005164719A
公开(公告)日：2005-06-23
申请号：JP2003400473
申请日：2003-11-28
申请人： Toshiba Corp , 株式会社東芝
发明人： MORIKAWA YUICHI , EBATO AKIHIKO , HIRUMA TAKAHIRO , SATO YOSHIYUKI
IPC分类号： G10K11/178 , G10K11/16
摘要： PROBLEM TO BE SOLVED: To reduce various noise without using a duct.
SOLUTION: The noise reducing device is provided with: a supporting frame body which is used as a muffler and can be externally attached to the opening section of a casing that incorporates a noise sound source a reference microphone which is arranged within the supporting frame body; an additional sound source speaker which is arranged in the supporting frame body and radiates additional sound to the outside of the supporting frame body; an error microphone which is arranged in the outside of the supporting frame body and detects syntetic sound of the noise within the supporting frame body and the additional sound from the additional sound source speakers; and a controller which controls the output of the additional sound source speaker by conducting computations based on the sound pressure from the reference microphone and the sound pressure from the error microphone so that sound pressure from the error microphones becomes the minimum.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在不使用管道的情况下减少各种噪音。解决方案：降噪装置设置有：用作消音器的支撑框架体，并且可以外部附接到壳体的开口部分，该壳体包括噪声声源，参考麦克风布置在支撑件框架体; 一个附加的声源扬声器，它布置在支撑框架体中，并且向支撑框体的外侧辐射附加的声音; 错误麦克风布置在支撑框体的外侧，并检测支撑框体内的噪声的合成声音和来自附加声源扬声器的附加声音; 以及控制器，其通过基于来自参考麦克风的声压和来自误差麦克风的声压进行计算来控制附加声源扬声器的输出，使得来自误差麦克风的声压变为最小。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005164706A Device for reducing noise inside duct 审中-公开
标题翻译：用于减少噪音的设备
公开(公告)号：JP2005164706A
公开(公告)日：2005-06-23
申请号：JP2003400373
申请日：2003-11-28
申请人： Toshiba Corp , 株式会社東芝
发明人： MORIKAWA YUICHI , NISHIMURA OSAMU , HIRUMA TAKAHIRO , EBATO AKIHIKO
IPC分类号： F24F13/02 , G10K11/16 , G10K11/178
摘要： PROBLEM TO BE SOLVED: To prevent occurrence of howling between a reference microphone and additional sound source speakers.
SOLUTION: This device is provided with: a duct which propagates noise from a noise sound source, the reference microphone which is arranged on the upstream side of the duct; a sound output device which is arranged inside the duct and radiates additional sound to reduce the noise; an error microphone which is arranged inside the duct and detects the syntetic sound of the noise and the additional sound; and a controller which controls the sound output device based on the output of the reference microphone and the output of the error microphone so that the output of the error microphone becomes the minimum. The reference microphone and the sound output device are disposed to be away from the duct and without being directly opposed to each other.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了防止参考麦克风和附加声源扬声器之间的啸叫发生。解决方案：该装置设置有：传播来自噪声声源的噪声的导管，配置在导管上游侧的参考麦克风; 布置在管道内的声音输出装置，并且发出附加声音以减少噪音; 布置在管道内的误差麦克风，并检测噪声和附加声音的合成声音; 以及控制器，其基于参考麦克风的输出和误差麦克风的输出来控制声音输出设备，使得误差麦克风的输出变为最小。参考麦克风和声音输出装置设置成远离导管并且彼此不直接相对。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004354770A Active silencer 审中-公开
公开(公告)号：JP2004354770A
公开(公告)日：2004-12-16
申请号：JP2003153370
申请日：2003-05-29
申请人： Toshiba Corp , 株式会社東芝
发明人： EBATO AKIHIKO , NISHIMURA OSAMU , SHIOYAMA TSUTOMU
IPC分类号： E01F8/00 , G10K11/178
摘要： PROBLEM TO BE SOLVED: To provide an active silencer for attaining control effect stabilized without deteriorating sound decrease effect even to a moving sound generating part.
SOLUTION: The active silencer comprises a reference microphone 11, correction microphones 12a and 12b arranged on both sides along a direction extending a sound shielding wall K of the reference microphone 11, a control speaker 15 for generating a control sound interfering with a transmitting sound, a control microphone 16 for detecting the sound pressure level of a transmission sound, delay circuits 13a and 13b for delaying a correction signal from the correction microphones 12a and 12b for a prescribed time, a reference signal calculator 14 for decreasing a delayed correction signal from the reference signal from the reference microphone 11 and calculating a new reference signal, and a control circuit 20 for generating a control sound at an amplitude and a phase to minimize a signal detected with a control microphone 16 on the basis of the new reference signal and the signal detected with the control microphone.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004354769A Active silencer 有权
标题翻译：主动保温
公开(公告)号：JP2004354769A
公开(公告)日：2004-12-16
申请号：JP2003153369
申请日：2003-05-29
申请人： Toshiba Corp , 株式会社東芝
发明人： EBATO AKIHIKO , KUDO HAJIME , SATO YOSHIYUKI
IPC分类号： F24F13/02 , G10K11/178
摘要： PROBLEM TO BE SOLVED: To provide an active silencer capable of deadening entire area noise of a three-dimensional space at a real time even to a face sound source of an amplitude and phase characteristics indicating non-correlation distribution without measuring sound pressure and the phase of a noise source E and without using an error microphone.
SOLUTION: The active silencer comprises a ventilation duct 30 arranged to oppose the inlet to the noise source E, a sound pressure detection microphone 40 arranged in the inside of the ventilation duct 30, n-pieces of speaker 50 arranged at an outlet side of the ventilation duct 30, a fixing coefficient calculator determined by a distance between the speakers, a fluctuation coefficient calculator 101 for calculating a fluctuation coefficient on the basis of a distance between the ventilation duct 30 and the speaker 50 and the sound pressure from a sound pressure detection microphone 40, and an amplitude and phase calculator 103 for driving the speakers 50 so as to minimize acoustic power of radiation sound from the outlet of the ventilation duct 30.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种能够实时地将三维空间的整个区域噪声甚至局限于表示非相关分布的幅度和相位特性的面部声源而不测量声压的主动消音器和噪声源E的相位，并且不使用误差麦克风。解决方案：活动消音器包括布置成与噪声源E的入口相对的通风管道30，布置在通风管道30内部的声压检测麦克风40，布置在出口处的n个扬声器50 通风导管30的一侧，由扬声器之间的距离确定的固定系数计算器，用于计算基于通气导管30和扬声器50之间的距离的波动系数的波动系数计算器101和来自扬声器50的声压声压检测麦克风40以及用于驱动扬声器50的幅度和相位计算器103，以便使来自通风导管30的出口的辐射声的声功率最小化。（C）2005年，JPO和NCIPI

10. 发明专利

JP2003315319A Piping breakage detector 有权
标题翻译：管路断路器
公开(公告)号：JP2003315319A
公开(公告)日：2003-11-06
申请号：JP2002122264
申请日：2002-04-24
申请人： Takeshi Toi , Toshiba Corp , 武司戸井 , 株式会社東芝
发明人： MORIKAWA YUICHI , EBATO AKIHIKO , SATO YOSHIYUKI , TOI TAKESHI , FUJIKAWA KOHEI , OKUBO NOBUYUKI
IPC分类号： G01B17/00 , G01M3/24 , G01N29/00 , G01N29/04 , G01N29/20
摘要： PROBLEM TO BE SOLVED: To provide a piping breakage detector for detecting a broken portion of a pipe using a sound.
SOLUTION: The detector includes a plurality of sound output devices 5A and 5B disposed in a pipe 3, a plurality of sound detect sensors S1 to S8 each arranged in the pipe 3 in a longitudinal direction at a predetermined interval, a phase change signal generator 7 for controlling the output from the plurality of sound output devices 5A and 5B so as to output a sound wave having a phase different from a phase of the output of the plurality of sound output devices 5A and 5B, a storage device 9 for storing detected values detected respectively by the sound detect sensors S1 to S8 during a normal operation of the pipe 3 as reference values, and a damage position determination unit 11 for comparing the detected values of the sound detecting sensors S1 to S8 each detected at a time of detecting and the reference values of the sound detecting sensors S1 to S8 stored in the storage device 9 so as to determine a damaged position of the pipe 3.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种用于使用声音检测管道的断裂部分的管道破损检测器。解决方案：检测器包括布置在管道3中的多个声音输出装置5A和5B，以预定间隔沿长度方向布置在管道3中的多个声音检测传感器S1至S8，相位变化信号发生器7，用于控制来自多个声音输出装置5A和5B的输出，以输出与多个声音输出装置5A和5B的输出的相位不同的声波;存储装置9，用于在管3的正常操作期间分别存储由声音检测传感器S1至S8分别检测的检测值作为参考值，以及损坏位置确定单元11，用于比较每次检测到的声音检测传感器S1至S8的检测值检测和存储在存储装置9中的声音检测传感器S1至S8的参考值，以便确定管3的损坏位置。版权所有（C）2004，JPO

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