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公开(公告)号：US20210126182A1
公开(公告)日：2021-04-29
申请号：US17023730
申请日：2020-09-17
发明人： Kang-Ho Park , Seongdeok Ahn , Jong Tae Lim , Chan Woo Park , Ji-Young Oh
IPC分类号： H01L41/047 , H01L41/053 , H01L41/083
摘要： Provided is a low frequency vibrating actuator device. The low frequency vibrating actuator device includes a substrate including a pair of connection electrodes, an actuator provided on the pair of connection electrodes to generate vibration, a support provided on the actuator, a vibration membrane provided on the support to vibrate according to the actuator, and a vibrating mass provided on the vibration membrane to vibrate according to the vibration membrane. The actuator includes a plurality of laminated insulating layers and internal electrodes that are alternately laminated between the insulating layers adjacent to each other, and a top surface of the support, which contacts the vibration membrane, has an area that is equal to or less than that of a bottom surface of the support, which contacts the actuator.
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公开(公告)号：US09594163B2
公开(公告)日：2017-03-14
申请号：US14223797
申请日：2014-03-24
发明人： Kang-Ho Park , Sung Q Lee
摘要： Provided is a security surveillance system and method capable of separately detecting fire and intrusion situations on the basis of a sound field variation, including a sound generating device outputting, into a set security surveillance space, a multi-tone sound wave formed of a linear sum of sine waves having a plurality of frequency components, a sound receiving device obtaining sound field information for each frequency represented as sound pressure and a phase from a sound wave received in the security surveillance space, and a sound field signal processing device storing sound field information for each frequency obtained from the sound receiving device in a preparation mode, comparing the stored sound field information with current sound field information for each frequency output from the sound receiving device in a surveillance mode, and determining occurrence of a security situation.
摘要翻译： 提供一种安全监视系统和方法，其能够基于声场变化单独地检测火灾和入侵情况，包括发声装置将设置的安全监视空间输出由线性和 具有多个频率分量的正弦波的声音接收装置，获取表示为声压的每个频率的声场信息的声音接收装置和来自安全监视空间中接收的声波的相位的声音信号处理装置，以及存储声场信息的声场信号处理装置 对于在准备模式下从声音接收装置获得的每个频率，将所存储的声场信息与在监视模式下从声音接收装置输出的每个频率的当前声场信息进行比较，并确定安全情况的发生。
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公开(公告)号：US12036175B2
公开(公告)日：2024-07-16
申请号：US17328277
申请日：2021-05-24
发明人： Kang-Ho Park , Jong Tae Lim , Seung Youl Kang , Bock Soon Na , Chan Woo Park , Seongdeok Ahn , Wooseup Youm , Ji-Young Oh
IPC分类号： A61H23/02
CPC分类号： A61H23/0245 , A61H2201/16 , A61H2201/5038 , A61H2205/021 , A61H2205/022
摘要： Provided is a vibratory stimulation device including a first substrate, a connection band connected to both sides of the first substrate, and a vibration element array including a plurality of vibration elements provided on the first substrate, wherein each of the vibration elements includes a stand provided on the first substrate, a vibration film provided on the stand and in contact with the stand at an edge, a vibrator provided on an upper or lower surface of the vibration film, and an electrode wire connected to the vibrator, wherein the vibration film includes a material that is more flexible and stretchable than the stand.
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4.发明授权Method and system for monitoring fire based on detection of sound field variation 有权基于声场变化检测的火灾监测方法和系统公开(公告)号：US09030916B2
公开(公告)日：2015-05-12
申请号：US13783185
申请日：2013-03-01
发明人： Kang-Ho Park , Sung Q Lee
摘要： Disclosed are a method and a system for monitoring a fire based on a detection of sound field variation. The system for monitoring a fire based on a detection of sound field variation includes: a sound generator outputting a sound wave within a defined space according to input voltage; a sound receiver receiving the sound wave within the defined space and obtaining a sound pressure from the received sound wave; and a fire monitor using a sound transfer function representing a ratio of the sound pressure obtained by the sound receiver to input voltage of the sound generator in a preparation mode to calculate reference sound pressure information, using the sound transfer function in a monitoring mode to calculate current sound pressure information, and comparing the reference sound pressure information with the current sound pressure information to determine whether a fire occurs.
摘要翻译： 公开了一种基于声场变化检测来监视火灾的方法和系统。 基于声场变化检测来监视火灾的系统包括：声音发生器，根据输入电压在限定的空间内输出声波; 在所述定义的空间内接收所述声波并从所接收的声波获得声压的声音接收器; 以及火灾监视器，其使用表示在准备模式中由声音接收器获得的声压与声音发生器的输入电压的比率的声音传递函数，以使用监视模式中的声音传递函数来计算参考声压信息，以计算 当前声压信息，并且将参考声压信息与当前声压信息进行比较，以确定是否发生火灾。
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公开(公告)号：US11621389B2
公开(公告)日：2023-04-04
申请号：US17023730
申请日：2020-09-17
发明人： Kang-Ho Park , Seongdeok Ahn , Jong Tae Lim , Chan Woo Park , Ji-Young Oh
IPC分类号： H01L41/047 , H01L41/053 , H01L41/083
摘要： Provided is a low frequency vibrating actuator device. The low frequency vibrating actuator device includes a substrate including a pair of connection electrodes, an actuator provided on the pair of connection electrodes to generate vibration, a support provided on the actuator, a vibration membrane provided on the support to vibrate according to the actuator, and a vibrating mass provided on the vibration membrane to vibrate according to the vibration membrane. The actuator includes a plurality of laminated insulating layers and internal electrodes that are alternately laminated between the insulating layers adjacent to each other, and a top surface of the support, which contacts the vibration membrane, has an area that is equal to or less than that of a bottom surface of the support, which contacts the actuator.
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公开(公告)号：US11006520B2
公开(公告)日：2021-05-11
申请号：US16217629
申请日：2018-12-12
发明人： Seongdeok Ahn , Seung Youl Kang , Seong Hyun Kim , Hye Jin Kim , Kang-Ho Park , Jeong Ik Lee , Young-deuk Jeon , Chi-Sun Hwang , Jae Bon Koo , Su Jae Lee
摘要： Provided is stretchable electronics. The stretchable electronics includes stretchable substrate, first support patterns disposed on a first surface of the stretchable substrate, and output devices disposed on the first patterns, respectively. The first support patterns are arranged in a first direction and a second direction, which are parallel to an extension direction of the substrate, and each of the output devices generates an output stimulation.
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公开(公告)号：US09613508B2
公开(公告)日：2017-04-04
申请号：US14671209
申请日：2015-03-27
发明人： Kang-Ho Park , Sung Q Lee
CPC分类号： G08B13/1672 , G08B17/00 , G08B19/005
摘要： Provided is a security monitoring method including outputting a multi-tone sound wave configured with a linear sum of sine waves having a plurality of frequency components inside a security monitoring space, receiving the multi-tone sound wave and calculating a sound field, calculating and storing sound field information according to frequency through the sound field, comparing reference sound field information according to frequency with the currently measured sound field information and determining whether a sound field variation occurs, and analyzing whether the sound field variation occurs collected for a certain predetermined period and distinguishing at least two events among intrusion, motion and temperature variation situations on the basis of correlation between the reference sound field spectrum and consecutive sound field spectra.
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公开(公告)号：US11618058B2
公开(公告)日：2023-04-04
申请号：US16213289
申请日：2018-12-07
发明人： Kang-Ho Park , Hye Jin Kim , Seongwoo Cho
摘要： Disclosed is a vibration actuator device. The vibration actuator device includes a substrate, lower supports disposed on the substrate and spaced apart from each other in a first direction, an actuator disposed on the lower supports to generate a vibration having a first resonant frequency by an external power, a vibration plate disposed on the actuator to vibrate in accordance with the actuator, and a mass portion disposed on the vibration plate to vibrate in accordance with the actuator and the vibration plate. Here, each of the vibration plate and the mass portion has a second resonant frequency that is less than the first resonant frequency.
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