Patents by Inventor Hyung Wook Cho

Hyung Wook Cho 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).

  • 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: 9882396
    Abstract: A non-contact type power transmission apparatus and method thereof, includes a control unit configured to provide assigned location information to a device. The apparatus also includes a display unit configured to display location-based service data provided to the device based on the location information.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sung Heum Park, Hyung Wook Cho, Sang Ho Cho, Chul Gyun Park, Jae Suk Sung, Chang Soo Kang, Ki Won Chang
  • Patent number: 9834081
    Abstract: A power transmitting apparatus may include: an electric supplementary drive unit; a torque converting device having first, second, and third rotation elements, wherein the first rotation element is connected to the electric supplementary drive unit, the second rotation element is connected to an engine, and the third rotation element is operated as an output element; a first input shaft directly connected to the second rotation element, and a second input shaft directly connected to the third rotation element; a direct coupling device selectively connecting two rotation elements among the first, second, and third rotation elements, a first speed output unit having first and second synchronizer modules, and a second speed output unit having third and fourth synchronizer modules; and a reverse speed device having an idle gear and engaging to any one input gear on the first and second input shafts.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: December 5, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Sueng Ho Lee, Jongsool Park, Hyung Wook Cho
  • Publication number: 20170335959
    Abstract: A method of selecting and shifting with one actuator and a vehicle gear shifting device that performs the same are provided. The device includes a shift guide that has selecting guides disposed between shifting paths for the selecting guides to diagonally face with a selecting path formed between the shifting paths. Additionally, the device includes a selecting guide member that is disposed in a path made by the shift guide and guides a control shaft in a selecting direction by being supported and guided by the selecting guides when the control shaft is moved in a shifting direction.
    Type: Application
    Filed: September 2, 2016
    Publication date: November 23, 2017
    Inventors: Hyung Wook Cho, Young Min Yoon
  • 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
  • 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
  • Publication number: 20170152940
    Abstract: An automotive transmission has a hill-hold (H) mode for preventing a vehicle parked on a slope from rolling downward, a reverse (R) mode, a neutral (N) mode, and a drive (D) mode, in which a H position and a R-range are arranged next to and connected to each other in a shift gate.
    Type: Application
    Filed: April 27, 2016
    Publication date: June 1, 2017
    Inventors: Young Min YOON, Seong Hwan CHEONG, Hyung Wook CHO
  • 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
  • Publication number: 20170066316
    Abstract: A power transmitting apparatus may include: an electric supplementary drive unit; a torque converting device having first, second, and third rotation elements, wherein the first rotation element is connected to the electric supplementary drive unit, the second rotation element is connected to an engine, and the third rotation element is operated as an output element; a first input shaft directly connected to the second rotation element, and a second input shaft directly connected to the third rotation element; a direct coupling device selectively connecting two rotation elements among the first, second, and third rotation elements, a first speed output unit having first and second synchronizer modules, and a second speed output unit having third and fourth synchronizer modules; and a reverse speed device having an idle gear and engaging to any one input gear on the first and second input shafts.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Inventors: Sueng Ho LEE, JongSool PARK, Hyung Wook CHO
  • Publication number: 20170066315
    Abstract: A power transmitting apparatus may include: an electric supplementary drive unit; a torque converting device having first, second, and third rotation elements, wherein the first rotation element is connected to the electric supplementary drive unit, the second rotation element is connected to an engine, and the third rotation element is operated as an output element; a first input shaft directly connected to the second rotation element, and a second input shaft directly connected to the third rotation element; a direct coupling device selectively connecting two rotation elements among the first, second, and third rotation elements, a first speed output unit having first and second synchronizer modules, and a second speed output unit having third and fourth synchronizer modules; and a reverse speed device having an idle gear and engaging to any one input gear on the first and second input shafts.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Applicant: Hyundai Motor Company
    Inventors: Sueng Ho LEE, JongSool PARK, Hyung Wook CHO
  • Publication number: 20170066314
    Abstract: A power transmitting apparatus may include: an electric supplementary drive unit; a torque converting device having first, second, and third rotation elements, wherein the first rotation element is connected to the electric supplementary drive unit, the second rotation element is connected to an engine, and the third rotation element is operated as an output element; a first input shaft directly connected to the second rotation element, and a second input shaft directly connected to the third rotation element; a direct coupling device selectively connecting two rotation elements among the first, second, and third rotation elements, a first speed output unit having first and second synchronizer modules, and a second speed output unit having third and fourth synchronizer modules; and a reverse speed device having an idle gear and engaging to any one input gear on the first and second input shafts.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Applicant: Hyundai Motor Company
    Inventors: Sueng Ho LEE, JongSool Park, Hyung Wook Cho
  • Patent number: 9355766
    Abstract: There are provided a coil for cordless charging, which may be formed as a thin coil in spite of the presence of a plurality of coils included therein, and a cordless charging apparatus using the same. The cordless charging apparatus includes: a coil unit including coil substrates having a coil pattern and a connection substrate having one end interposed between the coil substrates and electrically connected to the coil pattern and the other end electrically connected to the outside; and a case accommodating the coil unit therein.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: May 31, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chang Mok Han, Hyeon Gil Nam, Jae Suk Sung, Hyung Wook Cho, Ki Won Chang, Sung Heum Park, Sung Eun Cho, Dae Seong Jeon
  • Publication number: 20160126639
    Abstract: A coil structure includes a first coil configured to transmit or receive a first signal of a first frequency, and a second coil configured to transmit or receive a second signal of a second frequency. The second coil is disposed outside the first coil, and a ratio of the second frequency to the first frequency is at least 1.
    Type: Application
    Filed: October 8, 2015
    Publication date: May 5, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Choon Hee Kim, Hyun Keun Lim, Ki Won Chang, Hyung Wook Cho, Isaac Nam
  • Publication number: 20160126748
    Abstract: A non-contact power transmission device includes a power transmission unit configured to contactlessly provide electric power; a controller configured to provide location information of the non-contact power transmission device; and a communications unit configured to transmit the location information and product information received from a non-contact power reception device to a server, and receive an approval to transmit electric power to the non-contact power reception device from the server.
    Type: Application
    Filed: October 16, 2015
    Publication date: May 5, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Heum Park, Hyung Wook Cho, Sang Ho Cho, Sang Beom Lee, Ki Won Chang, Chul Gyun Park, Jae Suk Sung, Chang Soo Kang, Hee Sun Han
  • Publication number: 20160118807
    Abstract: There are provided an apparatus and a method of receiving power wirelessly, and a system for supplying power wirelessly using the same. The apparatus for receiving power wirelessly may include a power receiving unit receiving power wirelessly in a non-contact manner, a switching unit operating the power receiving unit, and a controlling unit controlling an output voltage by adjusting an OFF switching operation of the switching unit.
    Type: Application
    Filed: March 12, 2015
    Publication date: April 28, 2016
    Applicant: 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: 20160085322
    Abstract: There are provided a wireless mouse including: a charging unit receiving power in a non-contact manner to charge a battery with the received power; a movement detection unit detecting movements of the wireless mouse made by a user; and a controlling unit controlling whether or not a charging operation of the charging unit is performed, depending on the movements of the wireless mouse, a mouse pad including: a pad body having a predetermined area; a charging region provided on a portion of a surface of the pad body and transmitting power in a non-contact manner; and an operating region provided on the remainder of the surface of the pad body to be separated from the charging region and assisting in a pointing operation of the mouse, and a wireless mouse apparatus including the wireless mouse and the mouse pad.
    Type: Application
    Filed: March 20, 2015
    Publication date: March 24, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sung Heum PARK, Sang Ho CHO, Ki Won CHANG, Duk Won SEO, Jae Suk SUNG, Hyung Wook CHO, Chang Mok HAN
  • Publication number: 20160084327
    Abstract: Disclosed are methods for searching for a touch point of a dry type clutch. A method may include starting monitoring of current that is consumed in an actuator while driving the actuator in a direction in which the clutch is engaged from a release state, calculating a force that is applied to an engagement bearing of the clutch from the current that is consumed in the actuator after the starting monitoring of the current, determining whether the calculated force exceeds a predetermined reference force, and determining an actuator stroke when the calculated force starts to exceed the predetermined reference force as the touch point.
    Type: Application
    Filed: December 3, 2014
    Publication date: March 24, 2016
    Applicant: Hyundai Motor Company
    Inventors: Young Min YOON, Hyung Wook CHO
  • Publication number: 20160079764
    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: Application
    Filed: May 7, 2015
    Publication date: March 17, 2016
    Applicant: 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: 20160079793
    Abstract: A wireless power receiver may include a case formed of metal; and an insulator insulating one surface of the case to form at least two receiving electrodes. The at least two receiving electrodes form a capacitor in combination with at least two transmitting electrodes and receive power transmitted from the at least two transmitting electrodes.
    Type: Application
    Filed: May 15, 2015
    Publication date: March 17, 2016
    Applicant: 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