Patents by Inventor Chang Mok Han

Chang Mok Han 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: 10698455
    Abstract: An antenna module includes an insulating substrate; a first antenna wiring including a first spiral wiring disposed on the insulating substrate and having a first portion disposed adjacent to an edge of the insulating substrate, and a second spiral wiring disposed on the insulating substrate and spaced apart from the first spiral wiring; and a magnetic part disposed on one surface of the insulating substrate and disposed to overlap a second portion of the first spiral wiring that is adjacent to the second spiral wiring without overlapping the first portion of the first spiral wiring.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: June 30, 2020
    Assignee: WITS Co., Ltd.
    Inventors: Hyo Jung Yoon, Ki Won Chang, Chang Mok Han, Si Hyung Kim, Tae Heon Lee, Hyung Wook Cho, Taek Woo Kim, Sun Hee Lee, Dae Kyu Lee
  • Patent number: 10483767
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: November 19, 2019
    Assignee: WITS Co., Ltd.
    Inventors: Dae Ki Lim, Tae Sung Kim, Hyeon Gil Nam, Chan Gwang An, Hyun Seok Lee, Ki Won Chang, Chang Mok Han, Sang Woo Bae, Sung Eun Cho, Jae Suk Sung
  • Publication number: 20190294217
    Abstract: An antenna module includes an insulating substrate; a first antenna wiring including a first spiral wiring disposed on the insulating substrate and having a first portion disposed adjacent to an edge of the insulating substrate, and a second spiral wiring disposed on the insulating substrate and spaced apart from the first spiral wiring; and a magnetic part disposed on one surface of the insulating substrate and disposed to overlap a second portion of the first spiral wiring that is adjacent to the second spiral wiring without overlapping the first portion of the first spiral wiring.
    Type: Application
    Filed: October 18, 2018
    Publication date: September 26, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyo Jung YOON, Ki Won CHANG, Chang Mok HAN, Si Hyung KIM, Tae Heon LEE, Hyung Wook CHO, Taek Woo KIM, Sun Hee LEE, Dae Kyu LEE
  • Patent number: 10404091
    Abstract: A coil substrate for wireless power transmission includes: an insulating substrate including a first surface and a second surface; a first wiring portion disposed on the first surface, wherein the first wiring portion includes first spiral patterns and a section in which opposing ends of each of the first spiral patterns are disposed parallel to each other; a second wiring portion disposed on the second surface and including second spiral patterns, wherein opposing ends of each of the second spiral patterns are spaced apart from each other; and conductive vias alternately connecting the first spiral patterns and the second spiral patterns to each other to form coil turns.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: September 3, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ki Won Chang, Hyung Wook Cho, Dong Woo Han, Si Hyung Kim, Tae Seok Yang, Choon Hee Kim, Chang Mok Han, Taek Woo Kim
  • Patent number: 10332663
    Abstract: A coil module includes a substrate; a wireless charging coil formed in a substantially central portion of the substrate positioned on both surfaces of the substrate; and a first wireless communications coil which does not directly contact the wireless charging coil and is formed in the substantially central portion of the substrate on both surfaces of the substrate, wherein, in a region of the substrate in which the wireless charging coil and the first wireless communications coil are overlapped with each other, the wireless charging coil is formed on one surface of the region and the first wireless communications coil is formed on the other surface of the region, respectively.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: June 25, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyung Wook Cho, Si Hyung Kim, Sung Heum Park, Hee Seung Kim, Ki Won Chang, Jae Suk Sung, Chang Mok Han
  • Patent number: 10277069
    Abstract: A wireless power transmitter includes a case including a base plate and a structure disposed on the base plate; and a transmitting coil having a three-dimensional spiral shape disposed on a side surface of the structure and configured to generate a magnetic field in a direction perpendicular to the side surface of the structure.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: April 30, 2019
    Assignee: Samsung EIectro-Mechanics Co., Ltd.
    Inventors: Ki Won Chang, Si Hyung Kim, Hee Sun Han, Ji Hoon Kim, Sung Uk Lee, Chang Mok Han, Duk Won Seo, Eun Young Shin, Hyun Keun Lim, Isaac Nam
  • Patent number: 10122183
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: November 6, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ki Lim, Tae Sung Kim, Hyeon Gil Nam, Chan Gwang An, Hyun Seok Lee, Ki Won Chang, Chang Mok Han, Sang Woo Bae, Sung Eun Cho, Jae Suk Sung
  • Patent number: 10103554
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: October 16, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ki Lim, Tae Sung Kim, Hyeon Gil Nam, Chan Gwang An, Hyun Seok Lee, Ki Won Chang, Chang Mok Han, Sang Woo Bae, Sung Eun Cho, Jae Suk Sung
  • Patent number: 9973022
    Abstract: A non-contact type power receiving apparatus, of which a voltage level of output power varies depending on a rated voltage of a battery, includes: a power receiving coil unit receiving a power in a non-contact scheme; a rectifying/multiplying unit rectifying the received power depending on controlling thereof and selectively multiplying a voltage level of the rectified power; and a controller selectively controlling a rectifying operation or a multiplying operation of the rectifying/multiplying unit to be performed depending on a selection signal.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: May 15, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Ho Cho, Hyung Wook Cho, Sung Heum Park, Chang Mok Han, Jae Suk Sung, Jeong Man Han, Ki Won Chang
  • Publication number: 20180061548
    Abstract: A composite ferrite sheet may include a ferrite sheet, and composite sheets attached to both surfaces of the ferrite sheet, respectively, and having insulating properties. The composite sheet may be formed of a resin containing metal powder particles. The composite ferrite sheet may be easily manufactured and have improved shielding performance.
    Type: Application
    Filed: November 2, 2017
    Publication date: March 1, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Mok HAN, Ki Won CHANG, Sang Ho CHO, Sung Heum PARK, Hyung Wook CHO, Jeong Man HAN
  • Patent number: 9831685
    Abstract: A wireless power transmitter according to an exemplary embodiment in the present disclosure may include a transmitting core; a transmitting coil provided on the transmitting core and transmitting power wirelessly; and a magnetic body provided on the transmitting core and allowing a virtual line which is normal to a surface of the magnetic body to form an acute angle with the transmitting core.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: November 28, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chang Mok Han, Ki Won Chang, Isaac Nam, Sung Heum Park, Chul Gyun Park, Jae Suk Sung, Hyun Keun Lim
  • Publication number: 20170317506
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ki LIM, Tae Sung KIM, Hyeon Gil NAM, Chan Gwang AN, Hyun Seok LEE, Ki Won CHANG, Chang Mok HAN, Sang Woo BAE, Sung Eun CHO, Jae Suk SUNG
  • Publication number: 20170317505
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Ki LIM, Tae Sung KIM, Hyeon Gil NAM, Chan Gwang AN, Hyun Seok LEE, Ki Won CHANG, Chang Mok HAN, Sang Woo BAE, Sung Eun CHO, Jae Suk SUNG
  • Patent number: 9768647
    Abstract: A wireless power receiver according to an exemplary embodiment in the present disclosure may include a resonant tank receiving a power signal and varying a resonant frequency in response to a control signal; and a determining unit determining a wireless power transmission mode on the basis of the power signal and outputting the control signal depending on a determination result.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: September 19, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Ho Cho, Hyung Wook Cho, Sung Heum Park, Chang Mok Han, Jae Suk Sung, Jeong Man Han, Ki Won Chang
  • Patent number: 9762083
    Abstract: A wireless power transmitter is electromagnetically coupleable to a receiving coil of a wireless power receiver to provide power wirelessly and includes a substantially planar transmitting core. A transmitting coil has a plurality of windings and is disposed on a surface of the transmitting core. The transmitting core may extend beyond the transmitting coil in a planar direction.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: September 12, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Isaac Nam, Chul Gyun Park, Chang Mok Han, Jae Suk Sung, Hyun Keun Lim, Ki Won Chang
  • Publication number: 20170229900
    Abstract: A coil module includes a substrate; a wireless charging coil formed in a substantially central portion of the substrate positioned on both surfaces of the substrate; and a first wireless communications coil which does not directly contact the wireless charging coil and is formed in the substantially central portion of the substrate on both surfaces of the substrate, wherein, in a region of the substrate in which the wireless charging coil and the first wireless communications coil are overlapped with each other, the wireless charging coil is formed on one surface of the region and the first wireless communications coil is formed on the other surface of the region, respectively.
    Type: Application
    Filed: January 31, 2017
    Publication date: August 10, 2017
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyung Wook CHO, Si Hyung KIM, Sung Heum PARK, Hee Seung KIM, Ki Won CHANG, Jae Suk SUNG, Chang Mok HAN
  • Publication number: 20170201114
    Abstract: A coil substrate for wireless power transmission includes: an insulating substrate including a first surface and a second surface; a first wiring portion disposed on the first surface, wherein the first wiring portion includes first spiral patterns and a section in which opposing ends of each of the first spiral patterns are disposed parallel to each other; a second wiring portion disposed on the second surface and including second spiral patterns, wherein opposing ends of each of the second spiral patterns are spaced apart from each other; and conductive vias alternately connecting the first spiral patterns and the second spiral patterns to each other to form coil turns.
    Type: Application
    Filed: October 13, 2016
    Publication date: July 13, 2017
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ki Won CHANG, Hyung Wook CHO, Dong Woo HAN, Si Hyung KIM, Tae Seok YANG, Choon Hee KIM, Chang Mok HAN, Taek Woo KIM
  • Patent number: 9634525
    Abstract: In a non-contact type power receiving apparatus, two power receiving coils may share a single rectifying circuit. A non-contact type power receiving apparatus may include a first power receiving coil and a second power receiving coil, and a selective rectifying unit rectifying power from one of the first and second power receiving coils which receives the power from an external power transmitting coil in a non-contact scheme.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: April 25, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Ho Cho, Hyung Wook Cho, Sung Heum Park, Chang Mok Han, Jae Suk Sung, Jeong Man Han, Ki Won Chang
  • Patent number: 9444133
    Abstract: An antenna pattern frame includes an antenna radiator receiving an external signal and transmitting the received external signal to an electronic device, a radiator frame having the antenna radiator on a surface thereof, and a guide boss protruding from the radiator frame and preventing the radiator frame from moving vertically in a mold for manufacturing an electronic device case having an inner space having a shape corresponding to that of an electronic device case.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: September 13, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ha Ryong Hong, Jae Suk Sung, Nam II Seo, Dae Kyu Lee, Chan Gwang An, Chang Mok Han, Tae Sung Kim, Kyong Keun Lee, Ki Won Chang, Sung Eun Cho
  • Patent number: 9425503
    Abstract: An antenna pattern frame according to an aspect of the invention may include: a radiator having an antenna pattern portion transmitting and receiving a signal; a ground portion extending from the antenna pattern portion; a connection portion connecting the antenna pattern portion and the ground portion to be arranged in different planes; and a radiator frame manufactured by injection molding on the radiator so that the antenna pattern portion may be provided on one side of the radiator frame and the connection terminal portion may be provided on the other side thereof, the radiator frame allowing the antenna pattern portion to be embedded in the electronic device case.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: August 23, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Suk Sung, Ki Won Chang, Ha Ryong Hong, Chang Mok Han, Chan Gwang An, Duk Woo Lee, Hyun Kil Nam, Dae Kyu Lee, Sang Woo Bae, Byung Hwa Lee