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1.发明授权公开(公告)号：US10219749B2
公开(公告)日：2019-03-05
申请号：US15891282
申请日：2018-02-07
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Kwang Bum Park , Won Hyo Kim , Yeon Hwa Kwak
IPC: A61B5/00 , G01L1/22 , G01L1/18 , A47C31/00 , A61B5/113 , G01L5/00 , G08B21/02 , G08B21/04 , G01L1/20 , A61G7/05 , A61B5/08 , A47C23/00 , A61B5/11
Abstract: Provided is a smart bed for monitoring a state of a user. The smart bed includes a mattress including at least one flexible tactile sensor configured to sense a state of a user lying on the bed and a bed frame configured to support the mattress. The flexible tactile sensor is positioned below a specific portion of the user.
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公开(公告)号：US20180172527A1
公开(公告)日：2018-06-21
申请号：US15891259
申请日：2018-02-07
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Kwang Bum Park , Won Hyo Kim , Yeon Hwa Kwak
CPC classification number: G01L1/2287 , B25J13/084 , G01B7/18 , G01L1/205 , G01L1/22 , G01L1/2268 , G01L5/161 , G01L5/228
Abstract: Provided are a flexible tactile sensor and a method for manufacturing the same. The flexible tactile sensor includes a polymer layer, a first metal layer formed over the polymer layer and a first sensor layer formed over the first metal layer, the first sensor layer comprising a strain gauge configured to change its resistance according to a first strain and a metal wire connected to the strain gauge. The flexible tactile sensor also includes a first cover layer configured to protect the first sensor layer, a second metal layer formed under the polymer layer, a second sensor layer formed under the second metal layer. The second sensor layer includes a strain gauge configured to change its resistance according to a second strain and a metal wire connected to the strain gauge of the second metal layer and a second cover layer configured to protect the second sensor layer.
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公开(公告)号：US10222257B2
公开(公告)日：2019-03-05
申请号：US15873803
申请日：2018-01-17
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Yeon Hwa Kwak , Hae Kwan Oh
Abstract: An ultraviolet-ray (UV) sensor is disclosed. In one embodiment, the UV sensor includes a piezoelectric material, a sensing film arranged on the piezoelectric material and senses ultraviolet rays, an elastic wave input unit arranged on one end of the sensing film on the piezoelectric material and provides the sensing film with an elastic wave generated based on an electrical signal and an elastic wave output unit arranged on the other end of the sensing film on the piezoelectric material and senses a change in frequency of the electrical signal generated based on the provided elastic wave. The UV sensor improves sensitivity of the sensor by enabling the particles having large surface areas due to their characteristics to react with a larger amount of ultraviolet rays. the UV sensor can secure price competitiveness since the UV sensor measures a change in frequency of the elastic wave using zinc oxide (ZnO) nanoparticles.
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公开(公告)号：US11347318B2
公开(公告)日：2022-05-31
申请号：US16872708
申请日：2020-05-12
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Yeon Hwa Kwak , Kun Nyun Kim , Won Hyo Kim
Abstract: The described technology relates to a hand gesture recognition sensor. In one aspect, the hand gesture recognition sensor includes at least one strain unit configured to measure a physical change in an epidermis of a human body. The hand gesture recognition sensor also includes at least one bump unit located in a measurement direction of the at least one strain unit so as not to overlap the at least one strain unit, the at least one bump unit configured to amplify the physical change.
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Patent Agency Ranking
公开(公告)号：US10898120B2
公开(公告)日：2021-01-26
申请号：US15954125
申请日：2018-04-16
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Kwang Bum Park , Won Hyo Kim , Yeon Hwa Kwak
IPC: A61B5/18 , G01L1/18 , G01L1/22 , A61B5/024 , A61B5/08 , A61B5/00 , A61B5/04 , G16H20/30 , A61B5/11
Abstract: Provided is a system for monitoring a state of a user. The system includes a chair including a backrest and a seat plate, at least one flexible tactile sensor positioned in the back plate or seat plate and configured to sense a motion of a user who sits on the chair. The system further includes a monitoring apparatus configured to monitor the state of the user based on the sensed value received from at least one flexible tactile sensor.
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公开(公告)号：US10884504B2
公开(公告)日：2021-01-05
申请号：US15873786
申请日：2018-01-17
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Kwang Bum Park , Won Hyo Kim , Yeon Hwa Kwak
IPC: G06F3/01 , A61B5/103 , A61B5/00 , G06F3/0346
Abstract: A wearable device is disclosed. In one embodiment, the device includes: a sensor array having a plurality of sensors each detecting a physical change in epidermis of a corresponding body area and a body movement determination unit configured to determine movement of a body part based on sensing signals respectively received from the plurality of sensors.
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公开(公告)号：US10918311B2
公开(公告)日：2021-02-16
申请号：US15891299
申请日：2018-02-07
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Kwang Bum Park , Won Hyo Kim , Yeon Hwa Kwak
Abstract: Provided are a method and a system for monitoring a movement of a user. The system includes at least one wearable flexible tactile sensor configured to sense movement of a muscle or bending of a joint at a corresponding location and transmitting a sensed value. The system further includes a monitoring server configured to analyze movement of the muscle or the bending of the joint of the user based on the sensed value received from the flexible tactile sensor motility of the user.
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公开(公告)号：US10697828B2
公开(公告)日：2020-06-30
申请号：US15873845
申请日：2018-01-17
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Yeon Hwa Kwak , Hae Kwan Oh
IPC: G01J1/42 , G01J3/02 , G01J3/28 , G01V8/00 , H01L27/144 , G01J1/04 , G01J5/44 , H01L31/0256 , B06B1/06 , H01L31/09
Abstract: A multispectral optical sensor is disclosed. In one embodiment, the multispectral optical sensor includes a piezoelectric material, a first sensing layer and a second sensing layer spaced apart from each other on the piezoelectric material and configured to change the propagation speed of the acoustic wave propagated through the piezoelectric material by receiving ultraviolet light and visible light, respectively. The multiple optical sensor further includes a first acoustic wave output part and a second acoustic wave output part disposed on the piezoelectric material respectively corresponding to the first and second sensing layers and configured to generate an electrical signal based on the changed acoustic wave. The multiple optical sensor measures the intensity of ultraviolet and visible light using a single sensor by detecting the change in frequency, and measures the frequency change in the acoustic wave using zinc oxide, gallium nitride), or cadmium sulfide nanoparticles.
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公开(公告)号：US10578501B2
公开(公告)日：2020-03-03
申请号：US15891259
申请日：2018-02-07
Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
Inventor： Kunnyun Kim , Kwang Bum Park , Won Hyo Kim , Yeon Hwa Kwak
Abstract: Provided are a flexible tactile sensor and a method for manufacturing the same. The flexible tactile sensor includes a polymer layer, a first metal layer formed over the polymer layer and a first sensor layer formed over the first metal layer, the first sensor layer comprising a strain gauge configured to change its resistance according to a first strain and a metal wire connected to the strain gauge. The flexible tactile sensor also includes a first cover layer configured to protect the first sensor layer, a second metal layer formed under the polymer layer, a second sensor layer formed under the second metal layer. The second sensor layer includes a strain gauge configured to change its resistance according to a second strain and a metal wire connected to the strain gauge of the second metal layer and a second cover layer configured to protect the second sensor layer.
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