Patents by Inventor In Wha Jeong

In Wha Jeong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11025094
    Abstract: A wireless power receiving device includes a first resonance circuit configured to have a first resonance frequency; a second resonance circuit configured to have a second resonance frequency lower than the first resonance frequency; and a rectifying circuit connected to the first resonance circuit and the second resonance circuit without a switch and configured to rectify power received through the first resonance circuit and the second resonance circuit.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: June 1, 2021
    Assignee: WITS Co., Ltd.
    Inventors: In Wha Jeong, Jae Suk Sung, Hugh Kim
  • Patent number: 10778036
    Abstract: A wireless power transmitter includes: a current adjuster configured to convert an input power into a transmission current, which is periodically varied according to a transmission frequency; and a power transmitter configured to receive the transmission current and wirelessly transmit power according to the transmission frequency.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: September 15, 2020
    Assignee: WITS Co., Ltd.
    Inventor: In Wha Jeong
  • Patent number: 10516446
    Abstract: A wireless power transmitter includes a switch circuit including switches connected to a transmission resonator; a current detector configured to detect a transient current induced in the transmission resonator; and a controller configured to control the switch circuit and adjust an output of the wireless power transmitter based on an amplitude of the transient current.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: December 24, 2019
    Assignee: WITS Co., Ltd.
    Inventors: In Wha Jeong, Young Woon Choi, Se Joo Kim
  • Patent number: 10505098
    Abstract: A drive signal generating apparatus includes a transducer configured to convert electromagnetic energy of a signal received through a first port into a different type of energy, convert the different type of energy into electromagnetic energy, and transfer the converted electromagnetic energy to a second port, and a switching circuit configured to perform a gate switching operation, upon receiving a signal from the second port, to generate a drive signal.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: December 10, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Young Woon Choi, Tae Won Heo
  • Patent number: 10460883
    Abstract: A multilayer electronic component includes a ceramic body having stacked dielectric layers to form a first capacitor part and a second capacitor part, wherein the first capacitor has a constant capacitance, and the second capacitor part has a variable capacitance; a voltage control terminal formed on a lateral surface of the ceramic body; an input terminal disposed on another lateral surface of the ceramic body corresponding to the first capacitor part; and an output terminal disposed on the other lateral surface of the ceramic body corresponding to the second capacitor part separate from the input terminal.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 29, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jae Suk Sung, Hugh Kim
  • Patent number: 10410787
    Abstract: A coil module includes a magnetic substance plate, a first coil, and a second coil. The magnetic substance plate includes a first area having a first magnetic permeability and a second area having a second magnetic permeability. The first coil is disposed on a surface of the magnetic substance plate. The second coil is disposed on the surface of the magnetic substance plate and partially overlapping the first coil. A portion of the first coil, not overlapping the second coil, is disposed on a surface of the first area, and a portion of the second coil, not overlapping the first coil, is disposed on a surface of the second area.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: September 10, 2019
    Assignee: WITS Co., Ltd.
    Inventors: In Wha Jeong, Ki Hong Kim, Young Woon Choi, Young Seung Roh
  • Patent number: 10277074
    Abstract: A wireless power transmitter includes a common bridge circuit configured to apply a first alternating current (AC) voltage to a terminal of each of a first resonator and a second resonator of the resonators, a first sub-bridge circuit configured to apply a second alternating current (AC) voltage to another terminal of the first resonator while the first alternating current (AC) voltage is being applied to the terminal of the first resonator, and a second sub-bridge circuit configured to apply a third alternating current (AC) voltage to another terminal of the second resonator while the first alternating current (AC) voltage is being applied to the terminal of the first resonator.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: April 30, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Se Joo Kim, Sang Ho Cho, Hyo Young Kim, In Wha Jeong, Ki Hong Kim, Young Woon Choi
  • Patent number: 10205349
    Abstract: A wireless power transmitter includes a wireless power controller configured to receive an alternating current (AC) voltage, to convert the AC voltage into a direct current (DC) voltage, and to generate an induced current from the DC voltage according to a switching control for a transformer; and a resonator configured to be resonated by the induced current to wirelessly output charging power.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: February 12, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Ho Cho, In Wha Jeong, Tae Seok Ko, Hyo Young Kim
  • Patent number: 10135296
    Abstract: A coil structure for wireless power transmissions includes: a body having a cylindrical shape; an upper transmission coil formed on the body and configured to generate an electromagnetic field passing through an upper surface of the body; and at least one side transmission coil formed on the body and configured to generate an electromagnetic field passing through a side surface of the body.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: November 20, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jong Heum Park, Hugh Kim
  • Patent number: 10128759
    Abstract: A power supplying apparatus includes a first piezoelectric transformer operated at a first operating frequency, a second piezoelectric transformer operated alternately with the first piezoelectric transformer and operated at a second operating frequency, wherein the second operating frequency is a multiple of the first operating frequency.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: November 13, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Hugh Kim, Ju Rae Kim
  • Patent number: 10122212
    Abstract: A power supply device may be capable of wirelessly transmitting power at a plurality of resonance frequencies. The power supply device may include: a power conversion unit converting input power into first power; and a wireless power supply unit varying a switching frequency for switching the first power and wirelessly transmitting the switched first power at at least one of a plurality of resonance frequencies.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: November 6, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Hak Ryong Kim, Hugh Kim, Moo Jong Kang
  • Patent number: 10103651
    Abstract: Examples provide a piezoelectric energy harvester and a wireless switch including the same. The piezoelectric energy harvester includes a pressure transmission part situated between a pressing plate and a piezoelectric body, so as to transmit a uniform amount of pressure to the piezoelectric body, thereby generating a constant level of energy. In addition, a wireless switch uses energy generated in the piezoelectric energy harvester as its driving power, thereby transmitting radio frequency (RF) communications signals to an external electronic device to control the operation of the electronic device.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: October 16, 2018
    Assignee: Samsung Electo-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jong Heum Park, Hugh Kim
  • Publication number: 20180294107
    Abstract: A multilayer electronic component includes a ceramic body having stacked dielectric layers to form a first capacitor part and a second capacitor part, wherein the first capacitor has a constant capacitance, and the second capacitor part has a variable capacitance; a voltage control terminal formed on a lateral surface of the ceramic body; an input terminal disposed on another lateral surface of the ceramic body corresponding to the first capacitor part; and an output terminal disposed on the other lateral surface of the ceramic body corresponding to the second capacitor part separate from the input terminal.
    Type: Application
    Filed: June 8, 2018
    Publication date: October 11, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: In Wha JEONG, Jae Suk Sung, Hugh Kim
  • Publication number: 20180254142
    Abstract: A coil module includes a magnetic substance plate, a first coil, and a second coil. The magnetic substance plate includes a first area having a first magnetic permeability and a second area having a second magnetic permeability. The first coil is disposed on a surface of the magnetic substance plate. The second coil is disposed on the surface of the magnetic substance plate and partially overlapping the first coil. A portion of the first coil, not overlapping the second coil, is disposed on a surface of the first area, and a portion of the second coil, not overlapping the first coil, is disposed on a surface of the second area.
    Type: Application
    Filed: November 1, 2017
    Publication date: September 6, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: In Wha JEONG, Ki Hong KIM, Young Woon CHOI, Young Seung ROH
  • Patent number: 10069342
    Abstract: A power supply apparatus for supplying power in a wireless manner or a wired-wireless manner is provided. The power supply apparatus includes a power conversion unit converting input power into first power, and a wireless power supply unit varying a switching frequency switching the first power to wirelessly transmit the switched first power in one of a first wireless transmission manner or a second wireless transmission manner or wirelessly transmit the switched first power at a frequency within a resonance frequency band of one wireless transmission manner of wireless transmission manners having different resonance frequency bands.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: September 4, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jong Heum Park, Hugh Kim
  • Patent number: 10062525
    Abstract: A wireless switch includes: an adjusting member configured to rotate; a rotary plate comprising a first extending bar extending from a surface of the rotary plate in a radial direction and configured to be rotated together with the adjusting member; a first deformation member configured to be deformed by the first extending bar when the rotary plate rotates to cause the first extending bar to contact the first deformation member; a first piezoelectric element disposed on the first deformation member and configured to generate electricity when the first deformation member is deformed; and a radio frequency (RF) communications module unit configured to transmit a signal according to the electricity generated by the first piezoelectric element.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: August 28, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jae Suk Sung, Hugh Kim
  • Patent number: 10062523
    Abstract: A multilayer electronic component includes a ceramic body having stacked dielectric layers to form a first capacitor part and a second capacitor part, wherein the first capacitor has a constant capacitance, and the second capacitor part has a variable capacitance; a voltage control terminal formed on a lateral surface of the ceramic body; an input terminal disposed on another lateral surface of the ceramic body corresponding to the first capacitor part; and an output terminal disposed on the other lateral surface of the ceramic body corresponding to the second capacitor part separate from the input terminal.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: August 28, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jae Suk Sung, Hugh Kim
  • Patent number: 10050565
    Abstract: Provided are a piezoelectric energy harvester and a wireless switch including a piezoelectric energy harvester. The piezoelectric energy harvester uses energy generated in the piezoelectric energy harvester as driving power, thereby transmitting communications signals to an external lighting device using this driving power. Furthermore, the piezoelectric energy harvester generates power having different magnitudes depending on magnitudes of external force applied to a pressing member by a user or duration of the external force. A transmitting module of the wireless switch transmits signals that may adjust intensity of light to the external lighting device depending on the magnitudes of the generated power.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: August 14, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jong Heum Park, Hugh Kim
  • Patent number: 10020790
    Abstract: A composite electronic component includes: a power stabilization unit including a capacitor and an inductor connected to each other in series and configured to rectify input voltage to generate output voltage; and a switch unit including a first switch connected to the capacitor in parallel and a second switch connected to the inductor in parallel.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: July 10, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Dong Seong Oh, Hugh Kim
  • Patent number: 10003212
    Abstract: There is provided a non-contact type charger including: a plurality of power transmitting coils transmitting power in a non-contact manner; and a power converting unit controlling the power transmitted by the plurality of power transmitting coils depending on coupling coefficients, wherein the coupling coefficients are set by transmitting power state information between each of the plurality of power transmitting coils and a plurality of power receiving coils which receive the power transmitted by the plurality of power transmitting coils to charge a plurality of battery cells connected thereto with the power.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: June 19, 2018
    Assignee: Samsung EIectro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Jong Heum Park, Hugh Kim