公开(公告)号：US20240040738A1

公开(公告)日：2024-02-01

申请号：US17816159

申请日：2022-07-29

申请人： Dell Products L.P.

发明人： Chris Everett Peterson ,  Jyh-Yinn Lin ,  Paul Allen Waters ,  Evangelos Koutsavdis ,  Richard Mark Eiland

IPC分类号： H05K7/20 ,  G10K11/178

CPC分类号： H05K7/20145 ,  H05K7/20209 ,  G10K11/17861 ,  G10K2210/11

摘要： Embodiments may be directed to a codesigned shroud for a chassis comprising a plurality of components and a plurality of fans generating a plurality of airflows to cool the plurality of components. The codesigned shroud may have a plurality of walls defining a plurality of channels, wherein at least two walls of the plurality of walls define each channel of the plurality of channels. Each channel may be aligned with a direction of an airflow of the plurality of airflows. At least one channel includes a set of baffles oriented substantially perpendicular to the direction of an airflow in the channel. Each baffle may be formed with acoustically absorbent material to absorb acoustic energy that could affect performance of a component, wherein a first baffle of the set of baffles is offset from a second baffle of the set of baffles.

公开(公告)号：US20230317047A1

公开(公告)日：2023-10-05

申请号：US18006260

申请日：2021-08-26

申请人： Honor Device Co., Ltd

发明人： Tao Yang ,  Yong Zhao ,  Man Gao ,  Guoliang Huo

IPC分类号： G10K11/178 ,  G06F1/20 ,  G06F1/16 ,  H05K7/20 ,  H04R1/02

CPC分类号： G10K11/17823 ,  G06F1/203 ,  G06F1/1688 ,  H05K7/20136 ,  G10K11/17883 ,  G10K11/17825 ,  G10K11/17881 ,  H04R1/028 ,  G10K2210/3044 ,  G10K2210/3026 ,  G10K2210/3027 ,  G10K2210/3046 ,  G10K2210/11 ,  H04R2499/15

摘要： A notebook computer includes a control chip, a speaker, and the fan. The control chip and the fan are disposed inside a chassis of the notebook computer. The method includes: controlling, by the control chip, the speaker to send a first sound signal, where the first sound signal and a first noise signal that is generated by running of the fan have opposite phases and a same frequency. The first sound signal is used to cancel the first noise signal.

公开(公告)号：US20230306950A1

公开(公告)日：2023-09-28

申请号：US18203656

申请日：2023-05-31

申请人： ACER INCORPORATED

发明人： Jia-Ren Chang ,  Ruey-Ching Shyu

IPC分类号： G10K11/178

CPC分类号： G10K11/17854 ,  G10K11/17875 ,  G10K2210/3028 ,  G10K2210/11

摘要： An electronic system includes a fan module, an embedded controller, a reference microphone, an error microphone, an active noise cancellation controller, and a micro speaker module. The reference microphone is configured to output a wide-band noise signal associated with the operation of the fan module. The error microphone is configured to output an error signal by detecting the noise level during the operation of the electronic system. According to the wide-band noise signal, the error signal and the fan information provided by the embedded controller, the active noise cancellation controller calculates the narrow-band noises and the wide-band noises generated by the fan module, and drives the micro speaker module accordingly for providing a noise cancellation signal. The error signal may be reduced to zero by adaptively adjusting the noise cancellation signal for canceling the noises generated during the operation of the electronic system.

公开(公告)号：US11705104B2

公开(公告)日：2023-07-18

申请号：US17519550

申请日：2021-11-04

申请人： ACER INCORPORATED

发明人： Jia-Ren Chang ,  Ruey-Ching Shyu

IPC分类号： G10K11/178

CPC分类号： G10K11/17854 ,  G10K11/17875 ,  G10K2210/11 ,  G10K2210/3028

摘要： An electronic system includes a fan module, an embedded controller, a reference microphone, an error microphone, an active noise cancellation controller, and a micro speaker module. The reference microphone is configured to output a wide-band noise signal associated with the operation of the fan module. The error microphone is configured to output an error signal by detecting the noise level during the operation of the electronic system. According to the wide-band noise signal, the error signal and the fan information provided by the embedded controller, the active noise cancellation controller calculates the narrow-band noises and the wide-band noises generated by the fan module, and drives the micro speaker module accordingly for providing a noise cancellation signal. The error signal may be reduced to zero by adaptively adjusting the noise cancellation signal for canceling the noises generated during the operation of the electronic system.

公开(公告)号：US20180102124A1

公开(公告)日：2018-04-12

申请号：US15289289

申请日：2016-10-10

申请人： International Business Machines Corporation

发明人： Zhan Peng Huo ,  Yang Liang ,  Shu Jun Tang ,  Ying Zhao Yan ,  Ting Yin ,  Hui Hui Zhao

IPC分类号： G10K11/178

CPC分类号： G10K11/178 ,  G10K11/17823 ,  G10K11/1785 ,  G10K2210/11 ,  G10K2210/3016 ,  G10K2210/3044

摘要： A noise source emits an acoustic noise wave with a noise frequency corresponding to an attribute of a control-status signal associated with the noise source. A method to reduce the noise comprises generating, based on the noise frequency corresponding to the attribute, an anti-noise signal having the noise frequency. The method further comprises phase-shifting the anti-noise signal to output a phase-shifted anti-noise signal that can be used to generate a noise-cancelling acoustic wave. The method can include aligning the first anti-noise signal to be in-phase with the acoustic noise wave. An anti-noise apparatus to implement the method includes an anti-noise generator, to generate the anti-noise signal, and a phase shifter to generate and output the phase-shifted anti-noise signal. The anti-noise apparatus can include a phase detector and phase alignment element to align the anti-noise signal to be in-phase with the acoustic noise wave.

公开(公告)号：US20150104029A1

公开(公告)日：2015-04-16

申请号：US14230009

申请日：2014-03-31

申请人： INVENTEC CORPORATION ,  Inventec (Pudong) Technology Corporation

发明人： Yi-Lun CHENG ,  Kuo-Chi TING

IPC分类号： H04R3/00

CPC分类号： G06F1/20 ,  G10K11/178 ,  G10K2210/11 ,  G10K2210/3011 ,  G10K2210/3216 ,  G10K2210/3226

摘要： A system for controlling fan noise includes a fin, a fan, a sensor, a signal processing unit, and a speaker. The fin has a front side and a rear side opposite to the front side. The fan is disposed adjacent to the front side and has an airflow outlet, and the airflow outlet faces the front side. The sensor is disposed adjacent to the rear side and is used for receiving a sound signal made by the fan. After the signal processing unit receives the sound signal sent by the sensor, the signal processing unit provides an inversed phase signal by analysis and computation. The speaker is disposed adjacent to the rear side, for receiving and outputting the inversed phase signal provided by the signal processing unit, so as to offset the noise made by the fan.

摘要翻译： 用于控制风扇噪声的系统包括翅片，风扇，传感器，信号处理单元和扬声器。 翅片具有与前侧相对的前侧和后侧。 风扇靠近前侧设置，具有气流出口，气流出口面向前侧。 传感器邻近后侧设置，用于接收由风扇产生的声音信号。 在信号处理单元接收到由传感器发送的声音信号之后，信号处理单元通过分析和计算提供反相信号。 扬声器靠近后侧设置，用于接收和输出由信号处理单元提供的反相信号，以抵消由风扇产生的噪声。

公开(公告)号：US20150003620A1

公开(公告)日：2015-01-01

申请号：US13931216

申请日：2013-06-28

申请人： Kobo Incorporated

发明人： James WU ,  Yasuyuki HAYASHI

IPC分类号： G10K11/175

CPC分类号： G10K11/178 ,  G10K2210/105 ,  G10K2210/11 ,  G10K2210/12

摘要： A method and system for reducing ambient noise distraction with an electronic personal display is disclosed. One example determines when the electronic personal display is in reader mode. In addition, ambient noise around the electronic personal display is also detected. Noise cancelling sound waves are generated at the electronic personal display for reducing ambient noise distraction. The noise cancelling sound waves are then output from at least one speaker coupled with the electronic personal display.

摘要翻译： 公开了一种用于通过电子个人显示器来减少环境噪声干扰的方法和系统。 一个例子确定电子个人显示器何时处于阅读器模式。 此外，还检测到电子个人显示器周围的环境噪声。 在电子个人显示屏上产生噪声消除声波，以减少环境噪声干扰。 然后从与电子个人显示器耦合的至少一个扬声器输出噪声消除声波。

公开(公告)号：US20100002385A1

公开(公告)日：2010-01-07

申请号：US12249633

申请日：2008-10-10

申请人： Geoff Lyon ,  Ian N. Robinson ,  Mehrban Jam

发明人： Geoff Lyon ,  Ian N. Robinson ,  Mehrban Jam

IPC分类号： H05K7/20

CPC分类号： G06F1/203 ,  G06F1/206 ,  G10K11/178 ,  G10K2210/11 ,  G10K2210/112

摘要： An electronic device includes an enclosure for the electronic device and a fan to create an airflow for cooling electronic components contained in the enclosure. A port extends from an interior to an exterior of the enclosure and is arranged to allow airflow to pass therethrough, where the port comprises a port duct and an end having curved lips. An active noise control device detects a noise generated by the fan and generates an acoustic wave to reduce the noise.

摘要翻译： 电子设备包括用于电子设备的外壳和风扇，以产生用于冷却包含在外壳中的电子元件的气流。 端口从外壳的内部延伸到外部并且布置成允许气流通过，其中端口包括端口导管和具有弯曲嘴唇的端部。 有源噪声控制装置检测由风扇产生的噪声，并产生声波以降低噪声。

公开(公告)号：US20090180635A1

公开(公告)日：2009-07-16

申请号：US11972043

申请日：2008-01-10

申请人： Kenneth C. Gross ,  Aleksey M. Urmanov ,  Charles E. Kinney

发明人： Kenneth C. Gross ,  Aleksey M. Urmanov ,  Charles E. Kinney

IPC分类号： G10K11/178 ,  H05K7/20

CPC分类号： G10K11/178 ,  G06F1/206 ,  G10K2210/109 ,  G10K2210/11

摘要： Some embodiments of the present invention provide a system that attenuates noise from a fan exhaust of a computer system. During operation, the system monitors the noise from the fan exhaust and calculates a frequency spectrum of the noise from the monitored noise. Next, the system generates an antiphase spectrum from the frequency spectrum and generates a flow of air which exhibits a property of the antiphase spectrum. Finally, the system directs the flow of air into the fan exhaust so that the noise is attenuated by a reduction of turbulence in the fan exhaust by the flow of air.

摘要翻译： 本发明的一些实施例提供一种衰减来自计算机系统的风扇排气的噪声的系统。 在运行过程中，系统监视风扇排气噪声，并根据监测到的噪声计算噪声的频谱。 接下来，系统从频谱产生反相光谱，并产生具有反相光谱性质的空气流。 最后，系统将空气流引导到风扇排气中，以便通过空气流动减少风扇排气中的湍流，使噪音减弱。

公开(公告)号：US20060204015A1

公开(公告)日：2006-09-14

申请号：US11078390

申请日：2005-03-14

申请人： Michael Ip ,  Yancy Chen

发明人： Michael Ip ,  Yancy Chen

IPC分类号： A61F11/06 ,  H04B15/00 ,  G10K11/16

CPC分类号： G10K11/178 ,  G10K2210/11

摘要： A computer system having a noise cancellation module and a method of canceling noise using a noise cancellation module in a computer system are described. The computer system includes a processor for controlling operation of the computer system, a noise cancellation module coupled to the processor, and a memory coupled to the processor and storing operating instructions and at least one sequence of noise cancellation instructions. The noise cancellation instructions cause the processor to generate cancellation audio signals responsive to receipt of audio signals from the noise cancellation module, and transmit the generated cancellation audio signals to the noise cancellation module. The method includes sensing, by the noise cancellation module, an audio signal generated by the noise-generating source and causing the processor to generate a noise cancellation signal responsive thereto. The noise cancellation module generates an audio signal based on the generated noise cancellation signal from the processor.

摘要翻译： 描述了具有噪声消除模块的计算机系统和使用计算机系统中的噪声消除模块来消除噪声的方法。 计算机系统包括用于控制计算机系统的操作的处理器，耦合到处理器的噪声消除模块以及耦合到处理器并存储操作指令和至少一个噪声消除指令序列的存储器。 噪声消除指令使得处理器响应于从噪声消除模块接收音频信号而产生消除音频信号，并将所生成的取消音频信号发送到噪声消除模块。 该方法包括由噪声消除模块感测由噪声产生源产生的音频信号，并使处理器响应于此产生噪声消除信号。 噪声消除模块基于从处理器产生的噪声消除信号产生音频信号。