Patents by Inventor Mi Joeng Choi

Mi Joeng Choi 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).

  • Touch panel providing tactile feedback in response to variable pressure and operation method thereof
    Patent number: 9323328
    Abstract: A touch panel according to an embodiment of the present invention includes: a pressure detection unit including a light-source unit configured to generate an optical signal, an optical waveguide configured to transfer the optical signal, a sensing unit contacting with the optical waveguide to receive the optical signal according to an intensity of pressure applied externally, and a light-receiving unit configured to receive the optical signal transferred through the optical waveguide from the sensing unit; and an actuator contacting with the pressure detection unit to cause a deformation of a material according to the pressure intensity, wherein the actuator provides a tactile feedback through a vibration according to the pressure intensity.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: April 26, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Sung Kim, Ki-Uk Kyung, Suntak Park, Bong Je Park, Sung Ryul Yun, Han Saem Lee, Mi Joeng Choi
  • TOUCH PANEL PROVIDING TACTILE FEEDBACK IN RESPONSE TO VARIABLE PRESSURE AND OPERATION METHOD THEREOF
    Publication number: 20140111480
    Abstract: A touch panel according to an embodiment of the present invention includes: a pressure detection unit including a light-source unit configured to generate an optical signal, an optical waveguide configured to transfer the optical signal, a sensing unit contacting with the optical waveguide to receive the optical signal according to an intensity of pressure applied externally, and a light-receiving unit configured to receive the optical signal transferred through the optical waveguide from the sensing unit; and an actuator contacting with the pressure detection unit to cause a deformation of a material according to the pressure intensity, wherein the actuator provides a tactile feedback through a vibration according to the pressure intensity.
    Type: Application
    Filed: September 3, 2013
    Publication date: April 24, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young Sung KIM, Ki-Uk Kyung, Suntak Park, Bong Je Park, Sung Ryul Yun, Han Saem Lee, Mi Joeng Choi