-
1.发明公开公开(公告)号：US20230290563A1
公开(公告)日：2023-09-14
申请号：US18200759
申请日：2023-05-23
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor： Jang Yeol KIM , In Kui CHO , HYUNJOON LEE , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , Woo Cheon PARK , Je Hoon YUN , Jaewoo LEE , Ho Jin LEE , Dong Won JANG , Kibeom KIM , Seungyoung AHN
CPC classification number: H01F27/325 , G01R33/02 , H01F27/24 , H01F27/2804 , H01F41/041
Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.
-
公开(公告)号：US20210194133A1
公开(公告)日：2021-06-24
申请号：US17122218
申请日：2020-12-15
Inventor： Jaewoo LEE , In Kui CHO , Sang-Won KIM , Seong-Min KIM , Ho Jin LEE , Jang Yeol KIM , Jung Ick MOON , Woo Cheon PARK , Je Hoon YUN , HYUNJOON LEE , Dong Won JANG
Abstract: An apparatus and method for transmitting and receiving magnetic field signals in a magnetic field communication system are provided. The apparatus includes a controller configured to generate a communication signal, matching units that are configured to receive the communication signal and that respectively correspond to different matching frequencies, and loop antennas that are connected to the matching units, respectively, and that are configured to convert communication signals according to the different matching frequencies into magnetic transmission signals in the form of magnetic field energy and to transmit the magnetic transmission signals.
-
公开(公告)号：US20130185928A1
公开(公告)日：2013-07-25
申请号：US13796018
申请日：2013-03-12
Inventor： Jaewoo LEE , Chang Han JE , Woo Seok YANG , Jongdae KIM
IPC: H04R31/00
CPC classification number: H04R31/00 , H04R19/005 , H04R19/02
Abstract: Provided is an acoustic sensor. The acoustic sensor includes: a substrate including sidewall portions and a bottom portion extending from a bottom of the sidewall portions; a lower electrode fixed at the substrate and including a concave portion and a convex portion, the concave portion including a first hole on a middle region of the bottom, the convex portion including a second hole on an edge region of the bottom; diaphragms facing the concave portion of the lower electrode, with a vibration space therebetween; diaphragm supporters provided on the lower electrode at a side of the diaphragm and having a top surface having the same height as the diaphragm; and an acoustic chamber provided in a space between the bottom portion and the sidewall portions below the lower electrode.
Abstract translation: 提供了一种声学传感器。 声学传感器包括：基底，其包括侧壁部分和从侧壁部分的底部延伸的底部部分; 固定在所述基板上的下部电极，具有凹部和凸部，所述凹部包括在所述底部的中间区域的第一孔，所述凸部包括在所述底部的边缘区域上的第二孔; 隔膜面向下电极的凹部，其间具有振动空间; 隔膜支撑体设置在隔膜侧面的下电极上，具有与隔膜相同高度的顶表面; 以及设置在下部电极下方的底部和侧壁部之间的空间中的声学室。
-
公开(公告)号：US20220200662A1
公开(公告)日：2022-06-23
申请号：US17553466
申请日：2021-12-16
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor： Jang Yeol KIM , Jaewoo LEE , HYUNJOON LEE , In Kui CHO , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , Je Hoon YUN , Dong Won JANG , Seunghun RYU , Seungyoung AHN
IPC: H04B5/00
Abstract: A magnetic field communication method and apparatus using a giant magnetoimpedance (GMI) magnetometer are disclosed. The magnetic field communication apparatus includes a GMI magnetometer configured to detect a first communication signal based on a received magnetic field signal, a first signal extractor configured to extract a second communication signal comprising a message signal from the first communication signal, a second signal extractor configured to extract a third communication signal by removing a magnetization frequency signal from the second communication signal, and a third signal extractor configured to extract the message signal by removing a carrier wave frequency signal from the third communication signal.
-
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.
-
Patent Agency Ranking
6.发明申请公开(公告)号：US20210280365A1
公开(公告)日：2021-09-09
申请号：US17189788
申请日：2021-03-02
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor： Jang Yeol KIM , In Kui CHO , HYUNJOON LEE , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , Woo Cheon PARK , Je Hoon YUN , Jaewoo LEE , Ho Jin LEE , Dong Won JANG , Kibeom KIM , Seungyoung AHN
Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.
-
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.
-
公开(公告)号：US20140175570A1
公开(公告)日：2014-06-26
申请号：US13909477
申请日：2013-06-04
Inventor： Hyung-Kun LEE , Seungeon MOON , Nak Jin CHOI , Jaewoo LEE
IPC: H01L29/66
CPC classification number: G01N27/128 , G01N27/123
Abstract: Provided are a dual-side micro gas sensor and a method of fabricating the same. The sensor may include an elastic layer, a heat-generating resistor layer on the elastic layer, an interlayered insulating layer on the heat-generating resistor layer, an upper sensing layer on the interlayered insulating layer, and a lower sensing layer provided below the elastic layer to face the heat-generating resistor layer, thereby reducing heat loss of the heat-generating resistor layer.
Abstract translation: 提供双面微气体传感器及其制造方法。 传感器可以包括弹性层，弹性层上的发热电阻层，发热电阻层上的层间绝缘层，层间绝缘层上的上感测层，以及设置在弹性层下方的下感测层 面对发热电阻层，从而减少发热电阻层的热损失。
-
公开(公告)号：US20150146906A1
公开(公告)日：2015-05-28
申请号：US14282929
申请日：2014-05-20
Inventor： Chang Han JE , Jaewoo LEE , Woo Seok YANG , Jong-Kee KWON
Abstract: 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.
Abstract translation: 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。
-
公开(公告)号：US20210109173A1
公开(公告)日：2021-04-15
申请号：US17071530
申请日：2020-10-15
Inventor： Hyunjoon LEE , In Kui CHO , Jang Yeol KIM , Jaewoo LEE , Ho Jin LEE , Sang-Won KIM , Seong-Min KIM , Jung Ick MOON , Woo Cheon PARK , Je Hoon YUN , Dong Won JANG
IPC: G01R33/26
Abstract: The atomic magnetometer includes a light source device configured to output a linearly polarized irradiation light and a circularly polarized pump light, a first vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a first transmitted light, a second vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a second transmitted light, a magnetic field application device configured to apply a bias magnetic field in opposite directions to the first vapor cell and the second vapor cell, and a measuring device configured to obtain the magnetic field signal based on a differentiation of a first polarization rotation signal corresponding to a polarization state of the first transmitted light and a second polarization rotation signal corresponding to a polarization state of the second transmitted light.
-
-
-
-
-
-
-
-
-
Search Results
14
records
(took 0.017 seconds)
