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公开(公告)号：US11519874B2
公开(公告)日：2022-12-06
申请号：US17406786
申请日：2021-08-19
发明人： Woo Seok Yang , Sunghoon Hong , Gyu Ri Lim
IPC分类号： G01N27/22
摘要： A humidity sensor is provided. The humidity sensor includes a flexible substrate, a moisture absorption prevention layer covering the flexible substrate, a dielectric layer on the moisture absorption prevention layer, hydrophobic patterns on the dielectric layer, a first electrode between the moisture absorption prevention layer and the dielectric layer, and a second electrode spaced apart from the first electrode between the moisture absorption prevention layer and the dielectric layer. The first electrode has a thickness greater than that of the moisture absorption prevention layer.
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公开(公告)号：US11486810B2
公开(公告)日：2022-11-01
申请号：US16709986
申请日：2019-12-11
发明人： Woo Seok Yang , Sung Q Lee , Chang Han Je , Gunn Hwang , Hyung Kun Lee
摘要： The present invention relates to a fluorescence sensor for measuring microalgae and a method of operating the same. The fluorescence sensor for measuring the microalgae includes a fluorescence measurement unit including a light emitter configured to irradiate excitation light onto a measurement region and a detector configured to measure fluorescence emitted from the measurement region, an algae control unit configured to form a node and an antinode of an ultrasonic standing wave in the measurement region to control an algal density, and a signal processing unit configured to calculate the algal density using fluorescence intensity signals according to an operation mode of the algae control unit.
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公开(公告)号：US20190319599A1
公开(公告)日：2019-10-17
申请号：US16137378
申请日：2018-09-20
发明人： Hyunjoong Lee , Yi-Gyeong Kim , Yil Suk Yang , Woo Seok Yang , Chang Han Je
摘要： A resonator-based sensor and a sensing method thereof for sensing a change in a material that is subject to be sensed which include: generating an oscillation voltage signal by amplifying a current signal output from a resonator in accordance with a physical-chemical change of the material; and generating a gain control signal corresponding to a motional resistance and a clock signal corresponding to a resonant frequency of the resonator are provided.
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公开(公告)号：US09210515B2
公开(公告)日：2015-12-08
申请号：US14243755
申请日：2014-04-02
发明人： Jaewoo Lee , Chang Han Je , Woo Seok Yang , Jong-Kee Kwon
CPC分类号： H04R19/005 , H04R2201/003
摘要： Provided are an acoustic sensor and a method of manufacturing the same. The acoustic sensor includes a substrate including an acoustic chamber, a first hole, and a second hole, penetrating the substrate, a lower electrode pad extended onto a top surface of the substrate while covering a sidewall of the first hole, a diaphragm pad extended onto the top surface of the substrate while covering a sidewall of the second hole, a lower electrode provided on the acoustic chamber and connected to the lower electrode pad, and a diaphragm above the lower electrode while being separated from the lower electrode and connected to the diaphragm pad.
摘要翻译： 提供一种声传感器及其制造方法。 该声学传感器包括：衬底，包括穿透衬底的声学室，第一孔和第二孔;延伸到衬底顶表面上的下电极焊盘，同时覆盖第一孔的侧壁， 衬底的顶表面，同时覆盖第二孔的侧壁，设置在声学室上并连接到下电极焊盘的下电极，以及在与下电极分离并连接到隔膜的下电极之上的膜片 垫。
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公开(公告)号：US11106965B2
公开(公告)日：2021-08-31
申请号：US16926630
申请日：2020-07-10
发明人： Yong Suk Yang , Sunghoon Hong , Woo Seok Yang
IPC分类号： G06K19/077 , G06K7/10 , H05K1/16 , H01Q1/22
摘要： Provided are a radio frequency identification tag and a method of manufacturing the same. The radio frequency identification tag includes a substrate, an antenna unit provided on the substrate and configured to transmit and receive signals, an integrated circuit unit spaced apart from the antenna unit on the substrate, and an interrupter and a delay circuit unit connected in parallel between the antenna unit and the integrated circuit unit, wherein the interrupter includes a variable portion and a fixed portion opposite the variable portion, wherein the delay circuit unit includes a capacitor and a resistor.
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公开(公告)号：US08983090B2
公开(公告)日：2015-03-17
申请号：US13762300
申请日：2013-02-07
发明人： Yi-Gyeong Kim , Min-Hyung Cho , Tae Moon Roh , Jong-Kee Kwon , Woo Seok Yang , Jongdae Kim
CPC分类号： H04R3/00 , H04R19/005 , H04R2201/003 , H04R2410/03
摘要： An MEMS microphone is provided which includes a reference voltage/current generator configured to generate a DC reference voltage and a reference current; a first noise filter configured to remove a noise of the DC reference voltage; a voltage booster configured to generate a sensor bias voltage using the DC reference voltage the noise of which is removed; a microphone sensor configured to receive the sensor bias voltage and to generate an output value based on a variation in a sound pressure; a bias circuit configured to receive the reference current to generate a bias voltage; and a signal amplification unit configured to receive the bias voltage and the output value of the microphone sensor to amplify the output value. The first noise filter comprises an impedance circuit; a capacitor circuit connected to a output node of the impedance circuit; and a switch connected to both ends of the impedance circuit.
摘要翻译： 提供了一种MEMS麦克风，其包括被配置为产生DC参考电压和参考电流的参考电压/电流发生器; 第一噪声滤波器，被配置为去除所述DC参考电压的噪声; 升压器，被配置为使用其噪声被去除的直流参考电压来产生传感器偏置电压; 麦克风传感器，被配置为接收所述传感器偏置电压并且基于声压的变化产生输出值; 偏置电路，被配置为接收所述参考电流以产生偏置电压; 以及信号放大单元，被配置为接收麦克风传感器的偏置电压和输出值以放大输出值。 第一噪声滤波器包括阻抗电路; 连接到所述阻抗电路的输出节点的电容器电路; 以及连接到阻抗电路的两端的开关。
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公开(公告)号：US10113928B2
公开(公告)日：2018-10-30
申请号：US15234911
申请日：2016-08-11
发明人： Chang Han Je , Woo Seok Yang , Sung Q Lee , Chang Auck Choi
IPC分类号： G01L9/00
摘要： Provided is a pressure sensor including a substrate having a cavity therein, a partition wall disposed in the substrate to surround the cavity, a substrate insulation layer disposed on the top surface of the substrate to cover the cavity, a sensing unit disposed on the substrate insulation layer, and an encapsulation layer disposed on the substrate insulation layer to cover the sensing unit. The cavity may extend from a top surface toward a bottom surface of the substrate, the partition wall may have an inner sidewall exposed by the cavity, and at least a portion of the sensing unit may overlap the cavity when viewed in a plan view.
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公开(公告)号：US09264814B2
公开(公告)日：2016-02-16
申请号：US14282929
申请日：2014-05-20
发明人： Chang Han Je , Jaewoo Lee , Woo Seok Yang , Jong-Kee Kwon
摘要： Provided is a microphone. The microphone includes a substrate including an acoustic chamber, a lower backplate disposed on the substrate, a diaphragm spaced apart from the lower backplate on the lower backplate, the diaphragm having a diaphragm hole passing therethrough, a connection unit disposed on the lower backplate to extend through the diaphragm hole, and an upper backplate disposed on the connection unit, the upper backplate being spaced apart from the diaphragm. Thus, the microphone may be improved in sensitivity and reliability.
摘要翻译： 提供一个麦克风 该麦克风包括一个包括声学室的基板，设置在基板上的下背板，与下背板上的下背板隔开的隔膜，隔膜具有穿过其中的隔膜孔，连接单元设置在下背板上以延伸 通过隔膜孔和设置在连接单元上的上背板，上背板与隔膜间隔开。 因此，可以提高麦克风的灵敏度和可靠性。
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9.发明授权Ultrasonic wireless power transmitter and receiver apparatuses, and method for wireless charging thereof 有权超声波无线电力发射机和接收机装置及其无线充电方法公开(公告)号：US09240688B2
公开(公告)日：2016-01-19
申请号：US13671486
申请日：2012-11-07
发明人： Gunn Hwang , Sung Q Lee , Woo Seok Yang , JongDae Kim
摘要： Disclosed are ultrasonic wireless power transmitter and receiver apparatuses, and a method for wireless charging thereof. A method for wireless charging according to the present disclosure includes: transmitting, by an ultrasonic wireless power transmitter apparatus, an wakeup signal to an ultrasonic wireless power receiver apparatus; calculating, by the ultrasonic wireless power transmitter apparatus, a charging time according to a charging status information received from the ultrasonic wireless power receiver apparatus; generating, by the ultrasonic wireless power transmitter apparatus, an ultrasonic signal, amplifying the generated ultrasonic signal to predetermined voltage and thereafter; charging, by the ultrasonic wireless power transmitter apparatus, the ultrasonic wireless power receiver apparatus for the calculated time and thereafter; and determining, by the ultrasonic wireless power transmitter apparatus, whether secondary charging is to be performed according to a charged status information received from the ultrasonic wireless power receiver apparatus.
摘要翻译： 公开了超声波无线电力发射机和接收机装置及其无线充电的方法。 根据本公开的无线充电方法包括：通过超声波无线电力发送装置向超声波无线电力接收装置发送唤醒信号; 根据从所述超声波无线电力接收装置接收到的充电状态信息，计算所述超声波无线电力发送装置的充电时间; 通过所述超声波无线电力发送装置生成超声波信号，将所生成的超声波信号放大到预定的电压，之后; 超声波无线电力发送装置对计算出的时间和之后的超声波无线电力接收装置进行充电; 以及通过所述超声波无线电力发送装置，根据从所述超声波无线电力接收装置接收到的充电状态信息来判断是否进行二次充电。
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公开(公告)号：US10396740B2
公开(公告)日：2019-08-27
申请号：US15684625
申请日：2017-08-23
发明人： Yi-Gyeong Kim , Woo Seok Yang , Min-Hyung Cho
摘要： The present disclosure relates to a microphone driving device and a digital microphone including the same. A microphone driving device according to an embodiment of the inventive concept includes a voltage-to-current converter, a current-to-voltage converter, an analog-to-digital converter, a digital amplification unit, and a gain controller. The voltage-to-current converter converts an acoustic signal to an output current signal based on a gain control signal. The current-to-voltage converter converts the output current signal to an amplified voltage signal. The analog-to-digital converter converts the amplified voltage signal to a digital signal. The digital amplification unit amplifies the digital signal to an amplified digital signal based on the gain control signal. The gain controller generates a gain control signal. The microphone driving device and the digital microphone including the same according to the inventive concept may have a wide dynamic range and reduce the influence of noise.
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