Patents Assigned to Amotech Co., Ltd.
  • Patent number: 10931151
    Abstract: Provided are a combination antenna module and a portable electronic device including the same. There is provided a combo antenna module that includes an antenna unit including and a switching unit. The antenna unit includes a circuit board, a first wireless power transmission antenna, and a second wireless power transmission antenna of which manner is different from that of the first wireless power transmission antenna. The switching unit includes a first capacitor and a second capacitor connected in parallel to the second wireless power transmission antenna, and a switch, disposed between the first capacitor and the second capacitor, to be opened or closed based on an operation mode of the antenna unit. The second antenna and the second capacitor form a closed loop which is coupled with the first antenna when the switch is opened.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: February 23, 2021
    Assignee: Amotech Co., Ltd.
    Inventors: Hyung-Il Baek, Jin Won Noh, Jae-Il Park
  • Patent number: 10923807
    Abstract: The present invention relates to a combo type antenna module capable of maximizing performance of all antennas while minimizing a thickness of the antenna module by laminating a magnetic sheet having different thicknesses according to an antenna pattern formed on a base sheet. The combo type antenna module includes: a first antenna pattern formed on one surface and the other surface of the base sheet; a second antenna pattern formed on one surface of the base sheet; and a magnetic member laminated on the other surface of the base sheet, wherein the magnetic member is formed so that a thickness of a region corresponding to the second antenna pattern is formed thicker than that of a region corresponding to the first antenna pattern.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: February 16, 2021
    Assignee: AMOTECH CO., LTD.
    Inventors: Beom-Jin Kim, Hyung-Il Baek, Kyung-Hyun Ryu
  • Patent number: 10923823
    Abstract: Disclosed is a patch antenna, which is formed so that the upper surface of a dielectric layer has a wider area than the lower surface thereof and is mounted on a printed circuit board to form an air gap, thus maximizing antenna performance while implementing lightweight. The disclosed patch antenna includes a dielectric layer, a radiation patch formed on the upper surface of the dielectric layer, and a lower patch formed on the lower surface of the dielectric layer; and the dielectric layer is formed so that an area of the upper surface is wider than an area of the lower surface to form an air gap between the printed circuit board and the dielectric layer.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: February 16, 2021
    Assignees: AMOTECH CO., LTD., WINNERCOM CO., LTD.
    Inventors: Chui Hwang, In-Jo Jeong, Sang-O Kim, Hyun-Woo Oh, Dong-Hwan Koh, Won-Hee Lee, Tae-Byung Park, Gi-Cho Kang, Keun-Ho Baek
  • Patent number: 10923802
    Abstract: Disclosed are a near field communication antenna module and a portable terminal having the same, which can form a radiation pattern winding in the vertical direction or in the horizontal direction of a magnetic body to enable near field communication on a rear surface and a side surface of the portable terminal. In the disclosed near field communication antenna module, an adhesive substrate is stacked on a lower surface of a radiation substrate of a magnetic body on which the radiation pattern is formed, and a signal processing substrate and a protection substrate are stacked and formed on an upper surface of the radiation substrate, and the radiation pattern winds the magnetic body in the vertical direction or in the horizontal direction.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: February 16, 2021
    Assignee: AMOTECH CO., LTD.
    Inventors: Beom-Jin Kim, Byung-Guk Lim
  • Patent number: 10912226
    Abstract: A wireless charging transmitter module may include a plurality of coil devices, a magnetic field shielding sheet to cover one side of the plurality of coil devices, and a heat dissipation plate to cover the magnetic shielding sheet, so that heat may be more efficiently dissipated through the heat dissipation plate.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: February 2, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, AMOTECH CO., LTD.
    Inventors: Kyoungchun Kweon, Hwi Chul Shin, Seung Jae Hwang, Jong Eun Kim
  • Publication number: 20210014645
    Abstract: A method capable of providing a low power geofence service according to the present invention comprises the steps of: detecting a reference Vrect value for estimating an indoor/outdoor position from a solar charger of a position tracker; determining whether the solar charging module (solar charger) of the position tracker is in a charging or non-charging situation, on the basis of the detected Vrect value; if it is determined that the solar charging module of the position tracker is in the charging situation, determining that the position of the position tracker is outdoors and acquiring position tracking data by using a global positioning system (GPS) module; if it is determined that the solar charger of the position tracker is in the non-charging situation, determining that the position of the position tracker is indoors or in a shaded area, and acquiring position tracking data by using one among Bluetooth low energy (BLEs), wireless fidelity (Wi-Fi), and ultra-wide band (UWB) modules other than the GPS mod
    Type: Application
    Filed: May 29, 2019
    Publication date: January 14, 2021
    Applicant: AmoTech Co., Ltd.
    Inventors: Hyungil BAEK, Hoeyoung HWANG, Kyunghyun RYU, Semin OH
  • Publication number: 20210005961
    Abstract: 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: Application
    Filed: March 13, 2019
    Publication date: January 7, 2021
    Applicant: AMOTECH CO., LTD.
    Inventors: Kil Jae JANG, Chol Han KIM
  • Patent number: 10882793
    Abstract: A ferrite sheet manufacturing method according to the present invention includes (1) stacking a plurality of molded ferrite sheets to prepare a ferrite stack having gas discharge passages between adjacent molded ferrite sheets, and (2) sintering the ferrite stack. According to the present invention, productivity can be increased, and manufacturing costs can be reduced. In addition, a gas generated during combustion of a binder can be discharged using a gas discharge passage between repeatedly uneven portions disposed in one direction, thereby preventing wrinkles or waviness generated in a peripheral portion of a ferrite sheet. Furthermore, since it is possible to improve durability and reliability of an electromagnetic wave shielding material manufactured using the ferrite sheet, the ferrite sheet can be applied to various electronic products.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: January 5, 2021
    Assignee: AMOTECH CO., LTD.
    Inventor: Kyung Pyo Hong
  • Patent number: 10854362
    Abstract: Provided are a guide-connected contactor and a portable electronic device comprising same. A guide-connected contactor, according to an embodiment of the present invention, comprises: an elastic conductor which comes in contact with a circuit board of an electronic device or a bracket connected to the circuit board; a functional element which is connected to the elastic conductor and has a first electrode and a second electrode on the upper surface and the lower surface, respectively; and a guide which is plate-shaped, has the functional element connected thereto, and is connected to a groove portion provided on a conductive case of the electronic device.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: December 1, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Byung Guk Lim, Dong Hun Kong, Jae Woo Choi, Jae Su Ryu
  • Patent number: 10847874
    Abstract: Disclosed is an antenna module for a vehicle, which can perform wireless power transmission for a portable terminal equipped with a magnetic resonance wireless power transmission function and a portable terminal equipped with a magnetic induction wireless power transmission function in one module. The disclosed antenna module for the vehicle stacks a first antenna unit having a first antenna that is an antenna for the magnetic resonance wireless power transmission and near field communication on one surface of a base sheet, and a second antenna unit having a second antenna that is an antenna for the magnetic induction wireless power transmission on one surface of the first antenna unit; and the second antenna is partially overlapped with the first antenna.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: November 24, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Jae-Il Park, Hyung-Il Baek, Kyung-Hyun Ryu
  • Publication number: 20200335856
    Abstract: 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: Application
    Filed: July 13, 2018
    Publication date: October 22, 2020
    Applicant: Amotech Co., Ltd.
    Inventors: Beom Jin KIM, Jong Ho PARK
  • Publication number: 20200335877
    Abstract: An antenna package having a cavity structure is provided, wherein a cavity substrate having an accommodation portion formed therethrough is disposed on one surface of an antenna substrate having a signal processing element formed thereon, so as to prevent occurrence of deformation and breakage thereof in the process of mounting the antenna package. The provided antenna package having the cavity structure comprises: an antenna substrate, on the upper surface of which multiple radiation patches are formed and on the lower surface of which multiple signal processing elements are formed; and a cavity substrate which has an accommodation portion formed therethrough to receive the multiple signal processing elements and is disposed on the lower surface of the antenna substrate.
    Type: Application
    Filed: October 18, 2018
    Publication date: October 22, 2020
    Applicant: AMOTECH CO., LTD.
    Inventors: Hyun Joo PARK, Hyung Il BAEK, Kyung Hyun RYU, Se Ho LEE, Yun Sik SEO, Gwang Lyong GO, Han Ju DO
  • Patent number: 10801389
    Abstract: A particulate matter sensor is provided. The particulate matter sensor includes: an insulating substrate; a first electrode unit, and a plurality of spaced electrodes; a second electrode unit and a heater unit. Wherein each of the spaced electrode includes a sensing unit, wherein the particulate matter is deposited on the sensing unit, and a capacitor unit is configured on the spaced electrode for measuring capacitance. The plurality of spaced electrodes and the rim electrode are electrically connected when particulate matter is deposited, and thereby the capacitance between the first electrode unit and the second electrode unit can be measured.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: October 13, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Yeon-Soo Chung, Soo-Min Oh, Eun-Ji Kim, Sung-Jin Hong
  • Patent number: 10778071
    Abstract: Provided is a stacking-type stator including: a multi-layered substrate; coil patterns formed in a helical shape to form a plurality of turns on respective substrates of the multi-layered substrate and interconnected through conductive throughholes; a Hall sensor disposed in the multi-layered substrate and disposed at a position deviated from an interface of a magnetic pole of a rotor; and a dead point prevention yoke for setting the position of the rotor such that the Hall sensor is positioned at a position deviated from the interface of the magnetic pole of the rotor. The helical shape coil patterns include: radial direction pattern portions each disposed along a radial direction to generate a torque to rotate the rotor; and inner and outer connection pattern portions that interconnect the radial direction pattern portions and the coil patterns form a stator coil for a single phase motor.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: September 15, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Byung Soo Kim, Jin Gwan Kim, Hong Geun Lee
  • Patent number: 10753844
    Abstract: A particulate matter sensor is provided that can include: an insulating substrate; a plurality of sensing electrodes which are disposed on one surface of the insulating substrate and spaced a predetermined interval from each other so as not to be electrically connected to each other; a connection electrode disposed to be coplanar with the plurality of sensing electrodes and connected to a connection terminal formed on the one surface of the insulating substrate to be connected to some or all of the plurality of sensing electrodes through deposited particulate matter; a plurality of terminals formed on the one surface of the insulating substrate and connected one-to-one with the plurality of sensing electrodes and the connection electrode; and a heater unit disposed inside the insulating substrate and configured to provide heat for removing the particulate matter deposited on the sensing electrodes.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: August 25, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Soo Min Oh, Yeon Soo Chung, Sung Jin Hong, Eun Ji Kim
  • Patent number: 10756472
    Abstract: Provided are a functional contactor and a portable electronic device comprising same. A functional contactor, according to an embodiment of the present invention, comprises: an elastic conductor which electrically comes in contact with a conductor of an electronic device; a functional element which is connected to the elastic conductor and has a first electrode and a second electrode on at least one part of the lower side and the upper side, respectively; a first testing electrode which is connected to the first electrode and is provided on the upper side of the functional element and a fixed distance away from the second electrode; and a second testing electrode which is connected to the second electrode and is provided on the upper side of the functional element.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: August 25, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Byung Guk Lim, Seong Ha Lee, Dong Hun Kong
  • Patent number: 10748689
    Abstract: Provided are a slim-type stator using a multilayer printed circuit board (PCB) in which a coil pattern is patterned on an uppermost PCB layer and a sensing coil pattern for detecting a rotor rotation position is integrally formed in a margin of the uppermost PCB layer, to thereby realize sensorless driving simply, and a sensorless single-phase motor using the slim-type stator, and a cooling fan using the sensorless single-phase motor. The slim-type stator includes: a multilayer PCB; a coil pattern patterned on respective PCB layers of the multilayer PCB and connected through throughholes; and a sensing coil pattern formed on an uppermost PCB layer to detect a rotor rotation position, wherein the sensing coil pattern is positioned and set at a position deviated from a magnetic pole interface of a rotor that is positioned and set by a dead point prevention yoke when the rotor is in an initial state.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: August 18, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Byung Soo Kim, Jin Gwan Kim
  • Publication number: 20200253098
    Abstract: Disclosed is a magnetic field shielding unit for wireless power transmission. The magnetic field shielding unit for wireless power transmission includes a magnetic shielding layer formed of ferrite fragments containing magnesium oxide (MgO) shredded to improve flexibility of the magnetic field shielding unit. The ferrite containing magnesium oxide has a real part (??) of the complex permeability of 650 or more at a frequency of 100 kHz. Accordingly, it is possible to prevent influence of a magnetic field on components of a mobile terminal device or a body of a user who uses the same, and to further increase the characteristics of the combined antennas even if the magnetic field shielding unit is combined with various kinds and purposes of antennas having various structures, shapes, sizes and intrinsic characteristics (inductance, resistivity, etc.).
    Type: Application
    Filed: November 16, 2016
    Publication date: August 6, 2020
    Applicant: Amotech Co., Ltd.
    Inventors: Woong Yong Lee, Kil Jae Jang, Seong Tae Kim, Su Jung Kim
  • Patent number: 10707703
    Abstract: Provided are a combination antenna module and a portable electronic device including same. There is provided a combo antenna module that includes an antenna unit and a switching unit. The antenna unit includes a circuit board, a first wireless power transmission antenna, and a second wireless power transmission antenna of which manner is different from that of the first wireless power transmission antenna. The switching unit is configured to be connected or disconnected the first antenna and the second antenna based on an operation mode of the antenna unit.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: July 7, 2020
    Assignee: Amotech Co., Ltd.
    Inventors: Jin Won Noh, Hyung-Il Baek, Jae-Il Park
  • Publication number: 20200205662
    Abstract: 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: Application
    Filed: September 13, 2018
    Publication date: July 2, 2020
    Applicant: AMOTECH CO., LTD.
    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