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公开(公告)号：US20210119483A1
公开(公告)日：2021-04-22
申请号：US17023824
申请日：2020-09-17
Inventor： Jong Pil IM , Seungeon Moon , Jeong Hun Kim , Jiyong Woo , Yeriaron Kim , Solyee Im
Abstract: Disclosed is a system for tracking a maximum power point. The system includes an energy harvesting device, a power management integrated circuit including a switching circuit that adjusts an input voltage that is transmitted from the energy harvesting device and a conversion circuit that converts the input voltage adjusted by the switching circuit to output an output voltage, and a measuring device that calculates a ratio of a second power based on the input voltage to a first power based on an open circuit voltage of the energy harvesting device, using an internal impedance of the energy harvesting device and an input impedance of the power management integrated circuit.
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公开(公告)号：US20180231998A1
公开(公告)日：2018-08-16
申请号：US15815612
申请日：2017-11-16
Inventor： Jong Pil IM , Jung Hee SUK , Yil Suk YANG , Jimin OH
Abstract: Provided are an electronic circuit, a linear regulating circuit, and a DC-DC converting circuit. An embodiment of the inventive concept includes a linear regulating circuit unit for generating, by comparing output voltages and corresponding reference voltages, a transient signal indicating that at least one of the output voltages is in a transient state, or a steady signal indicating that each of the output voltages is in a steady state, and for controlling the output voltages on the basis of the steady signal and the transient signal, an energy storing unit for storing energy used to generate the output voltages, a ground switch unit for controlling connection between the energy storing unit and a ground terminal, an input switch unit for controlling connection between at least one input terminal and the energy storing unit, and an output switch unit for controlling connection between output loads and the energy storing unit.
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公开(公告)号：US20220153946A1
公开(公告)日：2022-05-19
申请号：US17528006
申请日：2021-11-16
Inventor： Jeong Hun KIM , Seung Eon MOON , Jong Pil IM
Abstract: The present disclosure provides is a method of manufacturing a flexible pressure sensor by forming the polymer support and the conductive particles from a single uniform solution and performing a curing of the polymer support and a growth of the conductive particles in a continuous process. The method of manufacturing a flexible pressure sensor includes: preparing a solution by adding a polymer support material, a conductive particle, and a photoinitiator to a solvent; applying the solution on a flexible substrate; and irradiating ultraviolet rays onto the solution applied on the flexible substrate to cure the solution and form a solid film.
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公开(公告)号：US20180191037A1
公开(公告)日：2018-07-05
申请号：US15713037
申请日：2017-09-22
Inventor： Jimin OH , Jung Hee SUK , Yil Suk YANG , Jong Pil IM
CPC classification number: H01M10/441 , H01M10/4207 , H01M10/482 , H01M2010/4271 , H02J7/0013 , H02J7/0016 , H02J7/0021 , Y02T10/7055
Abstract: Provided is a battery module and an electronic device, the battery module including a first battery, a second battery, a correcting element unit, and a battery controller, wherein the first battery includes a first internal resistance and provides a first current, the second battery is connected to the first battery, includes a second internal resistance and provides a second current, the correction element unit is connected to the first battery or the second battery and includes a variable resistor or a current source, the battery controller controls the correction element unit such that the first current is identical to the second current on a basis of a difference between values of the first internal resistance and the second internal resistance, and therefore performances of the first battery and the second battery are prevented from being deteriorated.
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公开(公告)号：US20250146965A1
公开(公告)日：2025-05-08
申请号：US18936352
申请日：2024-11-04
Inventor： Seungeon MOON , Jeong Hun KIM , Jong Pil IM
Abstract: Provided is a sensor module and a manufacturing method of the same. The sensor module includes a substrate having a first region, a second region, and a third region, an insulation layer provided on the substrate, a temperature sensor layer provided in the insulation layer of the first region, a gas sensor layer provided in an upper portion of and inside the insulation layer of the second region adjacent to the temperature sensor layer, and being thicker than the temperature sensor layer, and a sensor module provided on the insulation layer of the third region adjacent to the gas sensor layer, and including a humidity sensor layer thinner than the gas sensor layer.
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Patent Agency Ranking
公开(公告)号：US20220128498A1
公开(公告)日：2022-04-28
申请号：US17506658
申请日：2021-10-20
Inventor： Seungeon MOON , Jaewoo LEE , Jong Jin JUNG , Jeong Hun KIM , Do Joon YOO , Jong Pil IM
Abstract: Provided is a gas sensor including a substrate, a first membrane disposed on the substrate, a heating structure disposed on the first membrane, a second membrane disposed on the heating structure, a sensing electrode disposed on the second membrane, and a sensing material structure disposed on the sensing electrode. Here, the substrate provides an isolation space defined by a recessed surface obtained as a portion of a top surface of the substrate is spaced downward from a bottom surface of the first membrane, and the first membrane provides a first membrane etching hole that vertically extends to connect a top surface and the bottom surface of the first membrane and is connected with the isolation space. Also, the first membrane etching hole has a diameter of about 3 μm to about 20 μm.
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公开(公告)号：US20200175359A1
公开(公告)日：2020-06-04
申请号：US16669471
申请日：2019-10-30
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Konkuk University Industrial Cooperation Corp
Inventor： Jong Pil IM , Bae Ho PARK , Jeong Hun KIM , Seungeon MOON , Chansoo YOON , Jaewoo LEE , Solyee IM
Abstract: A neuron circuit and an operating method thereof are disclosed. The neuron circuit may include an input unit to which an input pulse is applied, a bipolar memristor configured to have one end connected to one end of the input unit, a first capacitor configured to be connected between the one end of the bipolar memristor and a ground, a first diode configured to have an anode connected to the one end of the bipolar component, a second capacitor configured to have one end connected to a cathode of the first diode, a first switch configured to be connected between the one end of the second capacitor and the ground, and a second switch configured to be connected between the anode of the first diode and the other end of the second capacitor.
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公开(公告)号：US20190068051A1
公开(公告)日：2019-02-28
申请号：US15981774
申请日：2018-05-16
Inventor： Yil Suk YANG , Jimin OH , Jong Pil IM
Abstract: Provided are a DC-DC converter driving device and a driving method thereof, the DC-DC converter driving device including an error detector configured to compare a first feedback voltage corresponding to a first output terminal with a first compensation reference voltage to generate a first error voltage, and configured to compare a second feedback voltage corresponding to a second output terminal with a second compensation reference voltage to generate a second error voltage, an interference detector configured to determine interference between the first and second output terminals on the basis of the first and second error voltages to generate an interference error voltage, and a reference voltage compensator configured to assign a weight to the interference error voltage to generate the first and second compensation reference voltages, and thus priorities are determined for outputs of the DC-DC converter and weights according thereto are assigned to reduce occurrence of cross-regulation.
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公开(公告)号：US20150270779A1
公开(公告)日：2015-09-24
申请号：US14453436
申请日：2014-08-06
Inventor： Jong Pil IM , Kwi Dong KIM , Tae Moon ROH , Moon Gyu JANG
IPC: H02M3/158
CPC classification number: H03K17/122 , H02M3/1588 , H02M2001/0009 , H02M2001/0048 , H03K2217/0036 , Y02B70/1466 , Y02B70/1491
Abstract: A DC-DC boost converter for a power generation element includes a power generation element configured to generate a both end voltage and a power supply current, an inductor charged by the power supply current, a first and second switch units comprising a plurality of first and second transistors, an MPPT control unit configured to detect the both end voltage and output a control signal to the first and second switch units so that an input voltage output from the power generation element is maintained as a predetermined proportion of the both end voltage, a current detection unit configured to output a signal for controlling the number of enabled first transistors and second transistors according to an intensity of the power supply current, and a switch selection unit configured to connect the first transistors and the second transistors through the signal.
Abstract translation: 用于发电元件的DC-DC升压转换器包括被配置为产生两端电压和电源电流的发电元件，由电源电流充电的电感器，包括多个第一和第二开关单元的第一和第二开关单元， 第二晶体管，MPPT控制单元，被配置为检测所述两端电压，并将控制信号输出到所述第一和第二开关单元，使得从所述发电元件输出的输入电压保持为所述两端电压的预定比例， 电流检测单元，被配置为根据电源电流的强度输出用于控制使能的第一晶体管和第二晶体管的数量的信号;以及开关选择单元，被配置为通过该信号连接第一晶体管和第二晶体管。
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公开(公告)号：US20240241533A1
公开(公告)日：2024-07-18
申请号：US18412938
申请日：2024-01-15
Inventor： Jong Pil IM , Seungeon MOON , Jeong Hun KIM
CPC classification number: G05F1/67 , G05F1/468 , H02J50/001 , H02M1/0032 , H02M3/158
Abstract: A power management device includes a converter, a sampling circuit, an MPPT management circuit, and an MPPT control circuit. The converter converts a voltage across an output node of an energy source, based on a first control signal to output a final output voltage; The sampling circuit includes a sampling node measures a sampling voltage related to an open circuit voltage of the energy source, based on a second control signal. The MPPT management circuit generates the first control signal, based on the second control signal, the sampling voltage, and the voltage across the output node of the energy source. The MPPT control circuit controls a voltage level of the sampling voltage to be changed within a first threshold voltage range by applying a current to the sampling node, based on the second control signal and the sampling voltage.
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