Patents by Inventor Seung hyuk Ahn

Seung hyuk Ahn 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).

  • CEILING STORAGE SYSTEM AND CONTROL METHOD THEREOF
    Publication number: 20240076127
    Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.
    Type: Application
    Filed: May 23, 2023
    Publication date: March 7, 2024
    Inventors: Sang Kyung LEE, Seung Gyu KANG, Hyun Jae KANG, Young Wook KIM, Sang A BANG, Yong-Jun AHN, Min Kyun LEE, Hyun Woo LEE, Jeong Hun LIM, Jun Hyuk CHANG
  • Method of soft decision decoding and apparatus for soft decision decoding
    Patent number: 8457238
    Abstract: A soft decision decoding method in a multiple-input multiple-output system which respectively receives two simultaneously transmitted data streams, a first transmitting symbol and a second transmitting symbol, in a first receiving signal and a second receiving signal is provided.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: June 4, 2013
    Assignee: Xronet Corporation
    Inventors: Seung hyuk Ahn, Hyung won Kim
  • METHOD OF SOFT DECISION DECODING AND APPARATUS FOR SOFT DECISION DECODING
    Publication number: 20100272200
    Abstract: A soft decision decoding method in a multiple-input multiple-output system which respectively receives two simultaneously transmitted data streams, a first transmitting symbol and a second transmitting symbol, in a first receiving signal and a second receiving signal is provided.
    Type: Application
    Filed: December 19, 2008
    Publication date: October 28, 2010
    Applicant: XRONET CORPORATION
    Inventors: Seung hyuk Ahn, Hyung won Kim