Patents Assigned to Amotech Co., Ltd.
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Publication number: 20230207193Abstract: Disclosed is a broadband capacitor in which floating electrodes are disposed above, below and at both sides of a stack in which a plurality of inner electrodes are stacked. The disclosed broadband capacitor comprises: a dielectric on which the stack having the plurality of inner electrodes stacked therein is disposed; a first outer electrode disposed at a first side surface of the dielectric; a second outer electrode disposed at a second side surface of the dielectric; a first floating electrode disposed above the stack; a second floating electrode disposed below the stack; a third floating electrode disposed at one side of the stack; and a fourth floating electrode disposed at the other side of the stack, opposite to the one side of the stack.Type: ApplicationFiled: May 24, 2021Publication date: June 29, 2023Applicant: AMOTECH CO., LTD.Inventors: Yeonsoo CHUNG, Seungchul LEE, Soomin OH, Jungsoo LEE
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Patent number: 11682831Abstract: Disclosed is a combo antenna module in which an accommodation groove is formed in a coil pattern and a connection pattern connected to a coil pattern disposed on another surface is disposed in the accommodation groove so as to minimize a mounting space and provide antenna performance greater than or equal to that of a conventional antenna module. The disclosed combo antenna module comprises a coil pattern for short-range communication and a coil pattern for wireless power transmission. The coil pattern for wireless power transmission has the accommodation groove formed by varying the line width of the coil pattern disposed on one surface, and the connection pattern for connecting the coil patterns disposed on the other surface is disposed in the accommodation groove so as to minimize a mounting space and provide antenna performance greater than or equal to that of a conventional antenna module.Type: GrantFiled: April 7, 2022Date of Patent: June 20, 2023Assignee: AMOTECH CO., LTD.Inventors: Kil Jae Jang, Choi Han Kim
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Patent number: 11637364Abstract: Disclosed are: a ring-shaped antenna which is formed in the form of a ring mounted between the housing of an ear module and the outer circumference of a coin-shaped battery and communicates with an antenna, mounted on another ear module, via NFMI; and a wireless earphone comprising the ring-shaped antenna. The disclosed ring-shaped antenna comprises: a first terminal sheet and a second terminal sheet, each extending from one side of a base sheet and having a terminal formed thereon; a plurality of front radiation patterns disposed apart from one another on the front surface of the base sheet; and a plurality of rear radiation patterns disposed apart from one another on the rear surface of the base sheet, wherein the plurality of front radiation patterns and the plurality of rear radiation patterns are connected through via-holes and thereby form an antenna pattern wound in the vertical direction of the base sheet.Type: GrantFiled: July 13, 2018Date of Patent: April 25, 2023Assignee: AMOTECH CO., LTD.Inventors: Beom Jin Kim, Jong Ho Park
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Publication number: 20230118173Abstract: Presented is an antenna module for wireless power transmission and reception in which an inner loop pattern is disposed in the inner peripheral area of an outer loop coil so as to provide a constant charging recognition rate regardless of location. The presented antenna module for wireless power transmission and reception comprises: a base substrate; a first antenna which is disposed on the upper surface of the base substrate and includes a first radiation pattern forming a first loop; and a second antenna which is stacked on the upper surface of the base substrate and includes a coil wound along the outer periphery of the first loop to form a second loop.Type: ApplicationFiled: March 24, 2021Publication date: April 20, 2023Applicant: AMOTECH CO., LTD.Inventors: Gyujin OH, Eulyoung JUNG
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Patent number: 11631937Abstract: Disclosed is a combo antenna module which can improve antenna performance by arranging a radiation pattern for electronic payment such that a portion of the radiation pattern does not overlap a magnetic sheet. The disclosed combo antenna module includes: a radiation pattern for wireless power transmission and a radiation pattern for electronic payment which are formed on a base substrate; and a magnetic sheet arranged to overlap the entire radiation pattern for wireless power transmission and a portion of the radiation pattern for electronic payment.Type: GrantFiled: September 6, 2019Date of Patent: April 18, 2023Assignee: AMOTECH CO., LTD.Inventors: Hyungil Baek, Jinwon Noh, Kisang Lim, Seonghyun Kim, Chungha Back, Donghyun Im
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Patent number: 11615917Abstract: A method for manufacturing a ferrite sheet is provided. A method for manufacturing a ferrite sheet comprises the steps of: preparing a ferrite block body having a shape of a cylindrical or polygonal column; and cutting the ferrite block body to be separated into plate-shaped sheets having a predetermined thickness.Type: GrantFiled: June 25, 2019Date of Patent: March 28, 2023Assignee: AMOTECH CO., LTD.Inventor: Woong Yong Lee
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Publication number: 20230080124Abstract: Disclosed is a broadband capacitor including floating electrodes arranged above and below a laminate in which electrode units are laminated to allow easy change of the characteristic (that is, a capacitance value) of a capacitor. The disclosed broadband capacitor comprises: a dielectric; a first external electrode; a second external electrode; a laminate, which is disposed in the dielectric and in which a plurality of electrode units are laminated; an upper floating electrode disposed in the dielectric, disposed above the laminate, and overlapping the first external electrode and the second external electrode; and a lower floating electrode disposed in the dielectric, disposed below the laminate, and overlapping the first external electrode and the second external electrode.Type: ApplicationFiled: February 5, 2021Publication date: March 16, 2023Applicant: AMOTECH CO., LTD.Inventors: Byungguk LIM, Seungchul LEE, Heehwang KIM, Junseok OH
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Patent number: 11605889Abstract: Proposed is a combo antenna module which laminates a loop coil and an antenna sheet to configure a combo antenna, thereby preventing the degree of design freedom from being lowered and minimizing the manufacturing cost. The proposed combo antenna module includes a magnetic sheet, a loop coil disposed on the upper surface of the magnetic sheet, and an antenna sheet having the area smaller than that of the magnetic sheet, and disposed on the upper surface of the magnetic sheet, in which the antenna sheet overlaps a part of the loop coil.Type: GrantFiled: July 5, 2019Date of Patent: March 14, 2023Assignee: AMOTECH CO., LTD.Inventors: Hyung Il Baek, Joo Seung Maeng, Ki Sang Lim, Seong Hyun Kim, Eui Jin Jeong, Du Hyun Song, Kil Jae Jang, Ki-Chul Kim, Jin Won Noh
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Publication number: 20230054296Abstract: Disclosed is a combo antenna module and a method for manufacturing the same, in which a combo antenna of a low frequency band and an antenna of a high frequency band are integrated to minimize the mounting space and thickness while maintaining the same level of antenna performance. The disclosed combo antenna module comprises: a first antenna in which a first antenna pattern having a first operation frequency is disposed, and an attachment area not overlapping with the first antenna pattern is defined; and a second antenna which is disposed in the attachment area and has a second antenna pattern having a second operation frequency higher than the first operation frequency and disposed on the upper surface thereof, wherein the dielectric loss value of the second antenna is lower than the dielectric loss value of the first antenna.Type: ApplicationFiled: January 25, 2021Publication date: February 23, 2023Applicant: AMOTECH CO., LTD.Inventors: Jinwon NOH, Hongdae JUNG, Hyungil BAEK, Donghyun IM, Euijin JUNG, Kisang LIM, Chungha BACK, Jooseung MAENG
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Publication number: 20230017262Abstract: Suggested is a combo antenna module configured to implement the same antenna performance as that of a combo antenna module having a general size, even in a state in which the size thereof is reduced by adjusting, within a set range, a distance at which magnetic sheets disposed on the top and the bottom of an antenna sheet are spaced apart. The suggested combo antenna module comprises: an antenna sheet; a top magnetic sheet disposed on the upper surface of the antenna sheet; and a bottom magnetic sheet disposed on the lower surface of the antenna sheet, wherein the top magnetic sheet includes a projecting region which overlaps with the bottom magnetic sheet while having the antenna sheet therebetween, and the top magnetic sheet and the bottom magnetic sheet are spaced apart at a distance within a set range at a side portion of the projecting region.Type: ApplicationFiled: December 10, 2020Publication date: January 19, 2023Applicant: AMOTECH CO., LTD.Inventors: Seonghyun KIM, Hyungil BAEK, Jooseung MAENG, Jinwon NOH, Kisang LIM, Chungha BACK, Donghyun IM, Jungwon SUK, Indeuk YUN
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Patent number: 11539401Abstract: Presented is a combo antenna module for preventing shadowing of a short-range communication antenna by forming a loop pattern, for short-range communication, in an inner circumferential region of a wireless power transmission antenna. The presented combo antenna module comprises a radiation pattern for wireless power transmission and a radiation pattern for short-range communication, which are disposed on a base substrate, wherein the transverse paths for entry and exit are made different for the radiation pattern for short-range communication so as to form a loop pattern in the inner area of the radiation pattern for wireless power transmission.Type: GrantFiled: August 30, 2019Date of Patent: December 27, 2022Assignee: AMOTECH CO., LTD.Inventors: Hyungil Baek, Jinwon Noh, Kisang Lim, Seonghyun Kim, Chungha Back, Donghyun Im
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Patent number: 11525204Abstract: Provided are an apparatus for and a driving method of driving a washing machine in which a washing tub is rotated by an inertial force in a freewheeling condition or at a low power driving mode, and a pulsator is reversely rotated, in a state where the pulsator and the washing tub are rotated in one direction. When driving the pulsator and the washing tub in the opposite directions, the inner rotor and the outer rotor are driven in a first direction where the washing tub is rotated, to then set the inner rotor to any one of a free-wheeling mode, an intermittent driving mode, and a low power driving mode, to thus rotate the washing tub, and the outer rotor is driven in one direction opposing the first direction to thus reversely rotate the pulsator.Type: GrantFiled: September 22, 2020Date of Patent: December 13, 2022Assignee: AMOTECH CO., LTD.Inventor: Duck Hyun Song
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Patent number: 11528074Abstract: A repeater system for LPWAN according to the present invention is characterized by comprising: a first antenna and a second antenna which may be antennas for transmission or reception according to a user's selection; a switch which is coupled to each of the first antenna and the second antenna; an RF transmission end and an RF reception end which are connected to the first antenna and the second antenna through the switch; and a control unit for controlling the switching of the switch and for controlling the RF transmission end and the RF reception end, wherein the first antenna is a multi-directional dipole antenna, and the second antenna includes a directional antenna for receiving and transmitting signals in a single direction.Type: GrantFiled: December 3, 2019Date of Patent: December 13, 2022Assignee: AMOTECH CO., LTD.Inventors: Jaeil Park, Hyungil Baek, Chanwoo Lee, Yonggil Jo
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Publication number: 20220384110Abstract: Disclosed is a broadband capacitor in which an electrode unit comprises a main electrode and a plurality of side electrodes so as to facilitate changing of capacitance value. The disclosed broadband capacitor is formed by alternately stacking a first electrode set, which comprises a first main electrode and a plurality of side electrodes spaced apart from the first main electrode, and a second electrode set, which comprises a second main electrode and a plurality of side electrodes spaced apart from the second main electrode.Type: ApplicationFiled: October 16, 2020Publication date: December 1, 2022Applicant: AMOTECH CO., LTD.Inventor: Byungguk LIM
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Patent number: 11510571Abstract: Provided is a body temperature sensor module to be attached to the skin including: a power supply unit electrically connected to a flexible printed circuit board and providing driving power; a temperature sensor mounted on one surface of the flexible printed circuit board and measuring the body temperature of the wearer; a communication module for transmitting information measured by the temperature sensor to an external communication module; a control unit for controlling the driving of the power supply unit, the temperature sensor and the communication module; a protection member for preventing the exposure of the flexible printed circuit board, the power supply unit, the temperature sensor, the communication module and the control unit to the outside; and a membrane layer separably attached to one surface of the protection member, and formed from a nanofiber web having micropores to be able to block moisture and allow the passage of air.Type: GrantFiled: September 13, 2018Date of Patent: November 29, 2022Assignees: AMOTECH CO., LTD., 3A LOGICS INC.Inventors: Pyeong Han Lee, Kwang Beom Park, Sung Wan Kim, Hyoung Jun Kim, Sang Min Yoon, Beom Jin Kim, Hyung Il Baek, Kyung Hyun Ryu, Jae Il Park, Eul Young Jung, Chan Woo Lee
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Publication number: 20220376384Abstract: Proposed is a smart antenna module for a vehicle in which a plurality of cellular antennas are mounted in a non-ground area and spaced apart from a ground pattern to minimize mutual interference. In the proposed smart antenna module for a vehicle, a first antenna is disposed in a ground area of a base substrate, the cellular antennas are disposed in a non-ground area of the base substrate, and the cellular antennas are electrically connected to the ground area of the lower surface of the base substrate.Type: ApplicationFiled: September 24, 2020Publication date: November 24, 2022Applicant: AMOTECH CO., LTD.Inventor: Chul HWANG
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Publication number: 20220368013Abstract: Suggested is an antenna module which maximizes a characteristic of isolation between two radiation patterns located adjacent to each other by forming a ground wall, by means of through-holes, at the radiation patterns. The suggested antenna module comprises: a first radiation pattern disposed on the upper surface of a base substrate; a second radiation pattern disposed on the upper surface of the base substrate while being spaced away from the first radiation pattern; a plurality of first through-holes arranged in parallel with one side of the first radiation pattern facing the second radiation pattern; and a plurality of second through-holes arranged in parallel with one side of the second radiation pattern facing the first radiation pattern.Type: ApplicationFiled: October 19, 2020Publication date: November 17, 2022Applicant: AMOTECH CO., LTD.Inventors: Hongdae JUNG, Yunsik SEO, Hyungil BAEK, Hyunjoo PARK
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Publication number: 20220311142Abstract: The present invention suggests a multi-band patch antenna in which an antenna pin is inserted into a single-band patch antenna, so that the multi-band patch antenna requires a minimum mounting space and can resonate in both the existing frequency bands and the V2X frequency band. The suggested multi-band patch antenna comprises: a base substrate through which a first through-hole and a second through-hole are formed; an upper patch and a lower patch arranged on the upper and lower surfaces of the base substrate, respectively; an inner conductor disposed on the inner wall surface of the first through-hole to electrically connect the upper patch to the lower patch; an antenna pin extending through the first through-hole, and including an end part disposed above the base substrate; and a first feed pin extending through the second through-hole.Type: ApplicationFiled: August 25, 2020Publication date: September 29, 2022Applicant: AMOTECH CO., LTD.Inventors: Chul HWANG, Sango KIM, Injo JEONG, Habin BONG, Yechan CHOI, Injoo KIM, Hangyeul KIM, Piljung JEONG, Hong-Woo KIM
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Patent number: 11450947Abstract: Provided is an antenna module for increasing a recognition area by using a metal deco or a deco panel of a portable terminal as an auxiliary radiator of a radiation pattern for near field communication. The provided antenna module includes: a metal deco disposed on a rear side of a portable terminal; and a radiation pattern connected to the metal deco, in which the metal deco is spaced at both ends by means of a slit, and one end is configured to be directly connected with one end of a radiation pattern so as to act as an auxiliary radiator of the radiation pattern.Type: GrantFiled: April 30, 2019Date of Patent: September 20, 2022Assignee: AMOTECH CO., LTD.Inventor: Jin Won Noh
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Patent number: 11420544Abstract: Provided is a cooling fan including: a fan housing having an air inlet formed on a front surface thereof and through which air flows and an air outlet formed at a side surface of the fan housing and through which air is discharged; and an impeller mounted inside the fan housing to introduce air in an axial direction thereof and discharge air in a radial direction thereof, wherein a bypass passage is formed at an edge of the air inlet so that air flowing in a direction opposite to the air outlet can be discharged to the outside. At high power of a cooling fan, backward-flow air is discharged to the outside to minimize noise and improve blowing efficiency.Type: GrantFiled: March 15, 2018Date of Patent: August 23, 2022Assignee: AMOTECH CO., LTD.Inventor: Byung Soo Kim