Patents by Inventor Chan Ki Cho

Chan Ki 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: 20200376993
    Abstract: The disclosure relates to a lumbar support assembly, wherein the inclination of a mat is controlled by upward and downward movement of a single nut, thereby making it possible to reducing weight and manufacturing cost of the assembly. According to one embodiment of disclosed herein, a lumbar support assembly includes: a mat having opposite sides that are rotatably connected to opposite sides of a seat frame, respectively; a driving unit coupled to the mat, and including a nut that is configured to be moved upward and downward; and a tension unit having first and second sides that are respectively coupled to the first and second sides of the seat frame, and coupled to the nut while surrounding a rear portion of the mat, wherein the nut allows the mat to be moved frontward or rearward by pulling or loosening the tension unit according to direction of movement.
    Type: Application
    Filed: May 12, 2020
    Publication date: December 3, 2020
    Inventors: Hun Yeong JUN, Hyun Chul WOO, Lyang Sun KIM, Jin Oh KIM, Chan Ki CHO
  • Patent number: 10848008
    Abstract: The disclosure disclosed herein provides a wireless power transmission device that wirelessly transmits power to electronic equipment coupled to a seat regardless of a position of the seat. According to an embodiment of the disclosure disclosed herein, a wireless power transmission device includes a power receiving unit coupled to a lower portion of a seat, and a power transmitting unit spaced apart from and below the power receiving unit, in which the power receiving unit is spaced apart from the power transmitting unit and slides into a moving direction of the seat, and the power receiving unit wirelessly receives power from the power transmitting unit and supplies power to electronic equipment installed in the seat.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: November 24, 2020
    Inventors: Chan Ki Cho, Hyun Chul Woo
  • Publication number: 20190260238
    Abstract: The disclosure disclosed herein provides a wireless power transmission device that wirelessly transmits power to electronic equipment coupled to a seat regardless of a position of the seat. According to an embodiment of the disclosure disclosed herein, a wireless power transmission device includes a power receiving unit coupled to a lower portion of a seat, and a power transmitting unit spaced apart from and below the power receiving unit, in which the power receiving unit is spaced apart from the power transmitting unit and slides into a moving direction of the seat, and the power receiving unit wirelessly receives power from the power transmitting unit and supplies power to electronic equipment installed in the seat.
    Type: Application
    Filed: May 31, 2018
    Publication date: August 22, 2019
    Inventors: Chan Ki CHO, Hyun Chul WOO
  • Patent number: 10284297
    Abstract: Provided is a base transceiver station (BTS) apparatus that enables a licensed-assisted access (LAA) service in a licensed band and an unlicensed band. The BTS apparatus includes a head end connected to a BTS for each of multiple bands and carriers through a radio frequency (RF) line and a remote portion connected to one of optic lines that are optically expanded from the head end.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: May 7, 2019
    Inventors: Young hoon Ko, Chan ki Cho, Baek yong Park
  • Patent number: 9796309
    Abstract: A lumbar support assembly disposed on a seat back frame within a vehicle seat and configured to support the back and waist regions of a passenger may include a fixing wire configured to be disposed on the seat back frame, a comfort mat provided with an upper end disposed on a cross wire combined with an upper end of the fixing wire so as to be rotatable and configured to support the back and waist regions of the passenger, a rotating device disposed on the fixing wire and rotating a lower end of the comfort mat toward the back region of the passenger, and an operating device disposed on the fixing wire and transforming the rotating device to protrude toward the comfort mat.
    Type: Grant
    Filed: November 7, 2015
    Date of Patent: October 24, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., Ltd.
    Inventors: Hun Woong Song, Chan Ki Cho, Jin Oh Kim
  • Patent number: 9744891
    Abstract: The present disclosure relates to a lumbar support assembly. The present disclosure provides a lumbar support assembly installed at a seat back frame at the inside of a vehicle seat and configured to support the back region of an occupant, comprising: a suspension mat coupled to the seat back frame; a guide box coupled to the suspension mat; an actuator coupled to the guide box and including a spindle shaft disposed at one side thereof so as to be positioned within the guide box; a pair of spindle nuts screw-coupled to the spindle shaft and slidably moved in opposite directions to each other along with the rotation of the spindle shaft; and a pair of cables coupled at one ends thereof to the seat back frame and coupled at the other ends thereof to the pair of spindle nuts.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: August 29, 2017
    Assignee: DAE CHANG SEAT CO., LTD.
    Inventors: Chan Ki Cho, In Ung Yeon
  • Patent number: 9671949
    Abstract: Disclosed herein are a method and apparatus for controlling a user interface in an electronic device. Content details are displayed and scrolled at an initial scroll speed. An object is detected within a predetermined distance from an electronic device without touching the object. The initial scroll speed is reduced in accordance with the distance of the object.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: June 6, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Chan-Ki Cho
  • Publication number: 20160355115
    Abstract: A lumbar support assembly disposed on a seat back frame within a vehicle seat and configured to support the back and waist regions of a passenger may include a fixing wire configured to be disposed on the seat back frame, a comfort mat provided with an upper end disposed on a cross wire combined with an upper end of the fixing wire so as to be rotatable and configured to support the back and waist regions of the passenger, a rotating device disposed on the fixing wire and rotating a lower end of the comfort mat toward the back region of the passenger, and an operating device disposed on the fixing wire and transforming the rotating device to protrude toward the comfort mat.
    Type: Application
    Filed: November 7, 2015
    Publication date: December 8, 2016
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Daechang Seat Co., Ltd.
    Inventors: Hun Woong SONG, Chan Ki CHO, Jin Oh KIM
  • Publication number: 20160288682
    Abstract: The present disclosure relates to a lumbar support assembly. The present disclosure provides a lumbar support assembly installed at a seat back frame at the inside of a vehicle seat and configured to support the back region of an occupant, comprising: a suspension mat coupled to the seat back frame; a guide box coupled to the suspension mat; an actuator coupled to the guide box and including a spindle shaft disposed at one side thereof so as to be positioned within the guide box; a pair of spindle nuts screw-coupled to the spindle shaft and slidably moved in opposite directions to each other along with the rotation of the spindle shaft; and a pair of cables coupled at one ends thereof to the seat back frame and coupled at the other ends thereof to the pair of spindle nuts.
    Type: Application
    Filed: April 28, 2015
    Publication date: October 6, 2016
    Inventors: Chan Ki CHO, In Ung YEON
  • Publication number: 20140258932
    Abstract: Disclosed herein are a method and apparatus for controlling a user interface in an electronic device. Content details are displayed and scrolled at an initial scroll speed. An object is detected within a predetermined distance from an electronic device without touching the object. The initial scroll speed is reduced in accordance with the distance of the object.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 11, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Chan-Ki CHO
  • Patent number: 8333431
    Abstract: A lumbar supporting device for a vehicle, may include an actuator, a lumbar plate slidably mounted to a seat back frame of the vehicle, and having a lumbar support part, wherein the lumbar support part is formed between upper and lower ends of the lumbar plate, and a driving unit coupled to the actuator and pulling both upper and lower portions of the lumbar plate together towards the lumbar support part, using power transmitted from the actuator.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: December 18, 2012
    Assignees: Hyundai Motor Company, Kia Motors Corp., Dae Chang Seat Co., Ltd.
    Inventors: Sang Uk Yu, Young Dong Kim, Chan Ki Cho
  • Publication number: 20120133183
    Abstract: A suspension assembly of a vehicle seat may include a lumbar plate disposed within an edge of a seat back frame, and an elastic wire section connecting the edge of the seat back frame with a side of the lumbar plate, wherein the elastic wire section includes a first elastic wire, opposite ends of which may be connected to one edge of the seat back frame and at least a portion thereof may be supported by one side of the lumbar plate, and a second elastic wire, opposite ends of which may be connected to the other edge of the seat back frame and at least a portion thereof may be supported by the other side of the lumbar plate.
    Type: Application
    Filed: June 23, 2011
    Publication date: May 31, 2012
    Applicants: Hyundai Motor Company, Dae Chang Seat Co., Ltd., Kia Motors Corporation
    Inventors: Tae Hyung Kim, Bong Joon Lee, Dong Woo Jeong, Chan Ki Cho
  • Publication number: 20110127817
    Abstract: A lumbar supporting device for a vehicle, may include an actuator, a lumbar plate slidably mounted to a seat back frame of the vehicle, and having a lumbar support part, wherein the lumbar support part is formed between upper and lower ends of the lumbar plate, and a driving unit coupled to the actuator and pulling both upper and lower portions of the lumbar plate together towards the lumbar support part, using power transmitted from the actuator.
    Type: Application
    Filed: June 28, 2010
    Publication date: June 2, 2011
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Dae Chang Seat Co., Ltd.
    Inventors: Sang Uk Yu, Young Dong Kim, Chan Ki Cho