Patents by Inventor JinChan Kim

JinChan Kim 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).

  • Exercise assistance apparatus determining assistance force and physical fitness equipment having the same
    Patent number: 10022591
    Abstract: An exercise assistance apparatus includes a mounting unit, a power transmission unit, and an exercise assistance unit. The mounting unit is capable of detaching from a first direction frame of a weight training rack. The mounting unit is mounted on the first direction frame in parallel. The power transmission unit generates a power and transmitting the power. The power transmission unit is arranged at the mounting unit. The exercise assistance unit is coupled movably to the power transmission unit. The exercise assistance unit receives the power and exerting an external force on an exercise assistance and an exercise. The exercise assistance unit includes a housing case, at least one load detection member, a cover member and a microcomputer. The microcomputer calculates an external force value of the power transmission unit based on the calculated value and transmitting a control signal to the power transmission unit based on the external force value.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: July 17, 2018
    Assignee: Ronfic Co., Ltd.
    Inventors: Junyoung Back, ChiBeom Noh, SungMin Yoon, JinChan Kim
  • EXERCISE ASSISTANCE APPARATUS DETERMINING ASSISTANCE FORCE AND PHYSICAL FITNESS EQUIPMENT HAVING THE SAME
    Publication number: 20180064994
    Abstract: An exercise assistance apparatus includes a mounting unit, a power transmission unit, and an exercise assistance unit. The mounting unit is capable of detaching from a first direction frame of a weight training rack. The mounting unit is mounted on the first direction frame in parallel. The power transmission unit generates a power and transmitting the power. The power transmission unit is arranged at the mounting unit. The exercise assistance unit is coupled movably to the power transmission unit. The exercise assistance unit receives the power and exerting an external force on an exercise assistance and an exercise. The exercise assistance unit includes a housing case, at least one load detection member, a cover member and a microcomputer. The microcomputer calculates an external force value of the power transmission unit based on the calculated value and transmitting a control signal to the power transmission unit based on the external force value.
    Type: Application
    Filed: December 7, 2016
    Publication date: March 8, 2018
    Applicant: Ronfic Co., Ltd.
    Inventors: Junyoung Back, ChiBeom Noh, SungMin Yoon, JinChan Kim