Patents by Inventor Hyun-keun Lim

Hyun-keun Lim 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: 10454303
    Abstract: There are provided a non-contact power supply device and a non-contact power supply method, in which a short beacon is transmitted to recognize a power receiving device, a long beacon is transmitted to wake-up a communications circuit of the power receiving device, and charging power is transmitted in a contactless manner, wherein at least one of signal levels of the short beacon and signal levels of the long beacon is varied.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: October 22, 2019
    Assignee: WITS Co., Ltd.
    Inventors: Si Hyung Kim, Soon Tack Oh, Hyun Keun Lim, Sung Uk Lee, Ki Won Chang, Chul Gyun Park, Jae Suk Sung, Chang Soo Kang
  • 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: 10045398
    Abstract: A wireless power receiver includes a resonance circuit, a power receiver, and a data transmitter. The power receiver is configured to control the resonance circuit to receive wireless power. The data transmitter is configured to control the resonance circuit to transmit data.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: August 7, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Isaac Nam, Ki Won Chang, Choon Hee Kim, Hyun Keun Lim
  • Patent number: 9906076
    Abstract: A non-contact type power transmitting coil may include at least one conductor pattern disposed on at least one surface of a base having a predetermined area, having a plurality of turns, and transmitting received power externally in a non-contact manner. The intervals between at least some of adjacent pattern portions of the conductor pattern in a direction from a center portion of an inner diameter of the conductor pattern to an outermost pattern portion conductor pattern may be different from one another.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: February 27, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyun Keun Lim, Ki Won Chang, Jae Suk Sung, Sung Uk Lee, Chang Soo Kang, Si Hyung Kim
  • 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
  • Patent number: 9769869
    Abstract: A non-contact type power supply apparatus may include a power unit transmitting power to a power receiving apparatus in a non-contact type manner, a communicating unit communicating with the power receiving apparatus, and a controlling unit terminating communications with the power receiving apparatus in the case in which a communications signal level of the power receiving apparatus transmitted to the communicating unit is equal to or less than a reference signal level.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: September 19, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chang Soo Kang, Hee Sun Han, Ji Hoon Kim, Hyun Keun Lim
  • 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
  • Patent number: 9472972
    Abstract: A wireless charging device may include: a sensor unit sensing an input from an external device and generating a wake-up signal; a control unit, upon receiving the wake-up signal, exiting from a sleep mode to enter an active mode, and generating an activation signal; a detection unit receiving the activation signal from the control unit to detect a mobile terminal; and a power supply unit, in the case that the detection unit detects the mobile terminal, supplying power to the mobile terminal wirelessly.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: October 18, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gye Won Lee, Hyun Keun Lim
  • 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: 20160087451
    Abstract: A wireless power receiver includes a resonance circuit, a power receiver, and a data transmitter. The power receiver is configured to control the resonance circuit to receive wireless power. The data transmitter is configured to control the resonance circuit to transmit data.
    Type: Application
    Filed: September 3, 2015
    Publication date: March 24, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Isaac NAM, Ki Won CHANG, Choon Hee KIM, Hyun Keun LIM
  • Patent number: 9287041
    Abstract: A coil device may be capable of varying the gap of a coil so that several devices may be wirelessly charged simultaneously or a single device may be wirelessly charged with concentrated power. The coil device may include: a case having a reception space and varying a charging area upon a user's selection; and a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length. A gap of the wound conductor of the coil body varies as the charging area of the case varies.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Soon Tack Oh, Chang Soo Kang, Jae Suk Sung, Sung Uk Lee, Hyun Keun Lim, Si Hyung Kim, Chul Gyun Park, Ki Won Chang
  • Publication number: 20160072337
    Abstract: A case includes a casing region made of metal and configured to cover at least a portion of an apparatus, and a coil electrically insulated from the casing region and having a ring shape or a polygonal shape having ends separated from each other, the coil being configured to be disposed outside the apparatus.
    Type: Application
    Filed: August 27, 2015
    Publication date: March 10, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ki Won Chang, Ji Hoon Kim, Jae Suk Sung, Choon Hee Kim, Hyun Keun Lim, Isaac Nam
  • Publication number: 20160036245
    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: Application
    Filed: July 31, 2015
    Publication date: February 4, 2016
    Applicant: SAMSUNG ELECTRO-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
  • Publication number: 20150333532
    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: Application
    Filed: May 8, 2015
    Publication date: November 19, 2015
    Applicant: 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: 20150333562
    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: Application
    Filed: May 14, 2015
    Publication date: November 19, 2015
    Applicant: 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: 20150179335
    Abstract: A coil device may be capable of varying the gap of a coil so that several devices may be wirelessly charged simultaneously or a single device may be wirelessly charged with concentrated power. The coil device may include: a case having a reception space and varying a charging area upon a user's selection; and a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length. A gap of the wound conductor of the coil body varies as the charging area of the case varies.
    Type: Application
    Filed: March 14, 2014
    Publication date: June 25, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soon Tack OH, Chang Soo KANG, Jae Suk SUNG, Sung Uk LEE, Hyun Keun LIM, Si Hyung KIM, Chul Gyun PARK, Ki Won CHANG
  • Publication number: 20150169907
    Abstract: An electronic tag may include a wireless power receiving unit receiving power in a wireless power transmission scheme, a battery being charged with the power received from the wireless power receiving unit, a monitoring unit monitoring a power state of the battery, a display unit displaying information on the power state of the battery from the monitoring unit on a screen, and a first wireless communications unit wirelessly transmitting the information on the power state of the battery from the monitoring unit together with tag identification information in a first wireless communications scheme.
    Type: Application
    Filed: May 7, 2014
    Publication date: June 18, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ki Won CHANG, Jae Suk SUNG, Chang Soo KANG, Soon Tack OH, Sung Uk LEE, Hyun Keun LIM, Si Hyung KIM, Chul Gyun PARK
  • Publication number: 20150137748
    Abstract: There are provided a non-contact power supply device and a non-contact power supply method, in which a short beacon is transmitted to recognize a power receiving device, a long beacon is transmitted to wake-up a communications circuit of the power receiving device, and charging power is transmitted in a contactless manner, wherein at least one of signal levels of the short beacon and signal levels of the long beacon is varied.
    Type: Application
    Filed: November 19, 2014
    Publication date: May 21, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Si Hyung KIM, Soon Tack OH, Hyun Keun LIM, Sung Uk LEE, Ki Won CHANG, Chul Gyun PARK, Jae Suk SUNG, Chang Soo KANG
  • Publication number: 20150130291
    Abstract: A non-contact type power transmitting coil may include at least one conductor pattern disposed on at least one surface of a base having a predetermined area, having a plurality of turns, and transmitting received power externally in a non-contact manner. The intervals between at least some of adjacent pattern portions of the conductor pattern in a direction from a center portion of an inner diameter of the conductor pattern to an outermost pattern portion conductor pattern may be different from one another.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyun Keun LIM, Ki Won Chang, Jae Suk Sung, Sung Uk Lee, Chang Soo Kang, Si Hyung Kim
  • Publication number: 20150133056
    Abstract: A non-contact type power supply apparatus may include a power unit transmitting power to a power receiving apparatus in a non-contact type manner, a communicating unit communicating with the power receiving apparatus, and a controlling unit terminating communications with the power receiving apparatus in the case in which a communications signal level of the power receiving apparatus transmitted to the communicating unit is equal to or less than a reference signal level.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Soo KANG, Hee Sun Han, Ji Hoon Kim, Hyun Keun Lim