Patents by Inventor Joon Hyeok Yeo

Joon Hyeok Yeo 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: 11851310
    Abstract: The present disclosure relates to an autonomous forklift truck capable of recognizing a location of the autonomous forklift truck and a location of an obstacle in a work area, and the truck includes a location recognition sensor to detect the location of the autonomous forklift truck through a laser emitted and reflected from a reflective marking equipped in a structure, a first sensor to detect an obstacle near a work area floor, a second sensor to detect an obstacle at a predetermined height from the floor, a fork laser sensor to measure a distance from a rack where a pallet is loaded or a distance from the pallet, a first fork photoelectric sensor and a second fork photoelectric sensor, and a control unit to process sensing signals inputted from all the sensors and control the driving and attachments of the autonomous forklift truck.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: December 26, 2023
    Assignee: HD Hyundai Xitesolution Co., Ltd.
    Inventors: Joon Hyeok Yeo, Jong Hyun Hwang, Moon Su Park, Young Rae Cho, Su Hyeon Gim
  • Publication number: 20210316975
    Abstract: The present disclosure relates to an autonomous forklift truck capable of recognizing a location of the autonomous forklift truck and a location of an obstacle in a work area, and the truck includes a location recognition sensor to detect the location of the autonomous forklift truck through a laser emitted and reflected from a reflective marking equipped in a structure, a first sensor to detect an obstacle near a work area floor, a second sensor to detect an obstacle at a predetermined height from the floor, a fork laser sensor to measure a distance from a rack where a pallet is loaded or a distance from the pallet, a first fork photoelectric sensor and a second fork photoelectric sensor, and a control unit to process sensing signals inputted from all the sensors and control the driving and attachments of the autonomous forklift truck.
    Type: Application
    Filed: April 12, 2021
    Publication date: October 14, 2021
    Applicant: Hyundai Construction Equipment Co., Ltd.
    Inventors: Joon Hyeok Yeo, Jong Hwang Hyun, Moon Su Park, Young Rae Cho, Su Hyeon Gim