Patents by Inventor Chang-Joon YANG

Chang-Joon YANG 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: 20240208774
    Abstract: An apparatus and method for controlling operation of screenless elevator is provided. An apparatus for controlling operations of a screenless elevator includes: a display unit that displays a first image including a dial-shaped image; a hologram projection unit that displays a second image in the air, projecting the first image; a motion recognition unit that emits light to the second image and receives light reflected by a hand gesture of a user from the second image to recognize hand gesture of the user; and an operation control unit that controls operations of the elevator according to hand gesture of the user.
    Type: Application
    Filed: August 31, 2022
    Publication date: June 27, 2024
    Applicant: MARKETON INC
    Inventor: Chang Joon Yang
  • Publication number: 20240176453
    Abstract: The present disclosure relates to an apparatus for providing a metaverse service using hologram and a method for controlling the same. The apparatus may include a housing; a plurality of displays installed on each side of the housing at a predetermined angle with respect to a vertical direction and displaying an image; a hologram plate disposed on an upper side of the housing in a horizontal direction and projecting an image displayed on each display as a holographic image in air above each of the displays; a non-contact sensor disposed on top of at least one of the plurality of displays to detect a user's non-contact input; and a controller for processing the user's non-contact input detected through the non-contact sensor. The present disclosure allows a more realistic service by providing a metaverse service using hologram and does not require to wear an additional device, thereby reducing users' inconvenience. In addition, as holographic image is provided in a plurality of directions (e.g.
    Type: Application
    Filed: March 29, 2023
    Publication date: May 30, 2024
    Applicant: MARKETON INC
    Inventor: Chang Joon Yang
  • Patent number: 11842015
    Abstract: Provided are a hologram touch display device and a hologram touch gesture control method. A hologram touch display device according to an embodiment of the present disclosure includes: a space projector configured to project a keypad hologram having a plurality of key buttons in air; a touch recognition part configured to emit light to the keypad hologram, receive the light reflected by a touch gesture of a user at the keypad hologram to detect a touch position of the user with respect to the keypad hologram, and determine keypad touch information of the user according to the touch position; and a touch controller configured to perform control such that an external device connected over a network operates on the basis of the keypad touch information.
    Type: Grant
    Filed: May 30, 2022
    Date of Patent: December 12, 2023
    Assignee: MARKETON INC.
    Inventor: Chang-Joon Yang
  • Publication number: 20220391037
    Abstract: Provided are a hologram touch display device and a hologram touch gesture control method. A hologram touch display device according to an embodiment of the present disclosure includes: a space projector configured to project a keypad hologram having a plurality of key buttons in air; a touch recognition part configured to emit light to the keypad hologram, receive the light reflected by a touch gesture of a user at the keypad hologram to detect a touch position of the user with respect to the keypad hologram, and determine keypad touch information of the user according to the touch to position; and a touch controller configured to perform control such that an external device connected over a network operates on the basis of the keypad touch information.
    Type: Application
    Filed: May 30, 2022
    Publication date: December 8, 2022
    Applicant: MARKETON INC.
    Inventor: Chang-Joon YANG