Patents by Inventor Sang Min Chung

Sang Min Chung 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: 9668323
    Abstract: The present invention relates to a dimming control device and method, and a dimming control device according to an embodiment of the present invention may control the ON/OFF of a lamp depending on whether a power pad is touched, and control the brightness of the lamp depending on whether dimming pads are touched. Thus, a user may control brightness step by step and may conveniently manipulate each step of brightness.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: May 30, 2017
    Inventor: Sang Min Chung
  • Publication number: 20170013034
    Abstract: A content streaming service method for reducing communication cost and a system therefore are provided. The method includes receiving, by an electronic device, a file of content in a streaming scheme from a server through a network, and reproducing the content through an application driven in the electronic device, storing, by the electronic device, the received file in a local storage, generating, by the electronic device, a local server, the local server configured to operate in association with a memory of the electronic device, retrieving, by the electronic device, the file stored in the local storage according to the streaming scheme through the local server, and re-reproducing the content through the application.
    Type: Application
    Filed: June 23, 2016
    Publication date: January 12, 2017
    Applicant: LINE Corporation
    Inventors: Sang Min CHUNG, DaeWon RYU, JeeHong LEE, Cheol-Won OH, Eunjin JOO
  • Publication number: 20160345409
    Abstract: The present invention relates to a dimming control device and method, and a dimming control device according to an embodiment of the present invention may control the ON/OFF of a lamp depending on whether a power pad is touched, and control the brightness of the lamp depending on whether dimming pads are touched. Thus, a user may control brightness step by step and may conveniently manipulate each step of brightness.
    Type: Application
    Filed: May 24, 2016
    Publication date: November 24, 2016
    Inventor: Sang Min Chung
  • Patent number: 9416945
    Abstract: Provided is a lighting apparatus. The lighting apparatus includes a base unit, a first rod-shaped member, a second rod-shaped member and a middle connection unit, wherein the middle connection unit includes a first frame fixed at the other end of the first rod-shaped member, a second frame fixed to the other end, having a form corresponding to the first frame, and coupled to the first frame to be rotatable with respect to the first frame, at least one guide elongate hole provided for any one of the first and second frames, extending along an arc, and penetratively formed, and a guide pin unit fixed to the remaining one of the first and second frames and fixed to be movable along the guide elongate hole.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: August 16, 2016
    Inventor: Sang Min Chung
  • Patent number: 9351377
    Abstract: The present invention relates to a dimming control device and method, and a dimming control device according to an embodiment of the present invention may control the ON/OFF of a lamp depending on whether a power pad is touched, and control the brightness of the lamp depending on whether dimming pads are touched. Thus, a user may control brightness step by step and may conveniently manipulate each step of brightness.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: May 24, 2016
    Inventor: Sang Min Chung
  • Patent number: 9239155
    Abstract: Provided is a lighting apparatus. The lighting apparatus includes a base unit, a first rod-shaped member, a lighting unit and a base connection unit, wherein the base connection unit includes, a rotating member rotatably coupled to the base part, a base cam fixed to the rotating member and including a base cam through-hole that penetrates a central portion of the base cam; a main shaft disposed in the base cam through-hole, capable of performing a tilt operation for rotating in one direction and the other direction on the basis of a tilt rotation central axis orthogonal to the lengthy direction of the first rod-shaped member, and having an upper portion to which the one end of the first rod-shaped member is coupled and fixed, and an elastic member that is provided to change an elastic bearing power applied to the main shaft, as the main shaft is tilted.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: January 19, 2016
    Inventor: Sang Min Chung
  • Publication number: 20150312991
    Abstract: The present invention relates to a dimming control device and method, and a dimming control device according to an embodiment of the present invention may control the ON/OFF of a lamp depending on whether a power pad is touched, and control the brightness of the lamp depending on whether dimming pads are touched. Thus, a user may control brightness step by step and may conveniently manipulate each step of brightness.
    Type: Application
    Filed: December 14, 2012
    Publication date: October 29, 2015
    Inventor: Sang Min CHUNG
  • Publication number: 20140355279
    Abstract: Provided is a lighting apparatus. The lighting apparatus includes a base unit, a first rod-shaped member, a second rod-shaped member and a middle connection unit, wherein the middle connection unit includes a first frame fixed at the other end of the first rod-shaped member, a second frame fixed to the other end, having a form corresponding to the first frame, and coupled to the first frame to be rotatable with respect to the first frame, at least one guide elongate hole provided for any one of the first and second frames, extending along an arc, and penetratively formed, and a guide pin unit fixed to the remaining one of the first and second frames and fixed to be movable along the guide elongate hole.
    Type: Application
    Filed: December 28, 2012
    Publication date: December 4, 2014
    Inventor: Sang Min Chung
  • Publication number: 20140347847
    Abstract: Provided is a lighting apparatus. The lighting apparatus includes a base unit, a first rod-shaped member, a lighting unit and a base connection unit, wherein the base connection unit includes, a rotating member rotatably coupled to the base part, a base cam fixed to the rotating member and including a base cam through-hole that penetrates a central portion of the base cam; a main shaft disposed in the base cam through-hole, capable of performing a tilt operation for rotating in one direction and the other direction on the basis of a tilt rotation central axis orthogonal to the lengthy direction of the first rod-shaped member, and having an upper portion to which the one end of the first rod-shaped member is coupled and fixed, and an elastic member that is provided to change an elastic bearing power applied to the main shaft, as the main shaft is tilted.
    Type: Application
    Filed: December 28, 2012
    Publication date: November 27, 2014
    Inventor: Sang Min Chung
  • Patent number: 8549631
    Abstract: The present invention discloses an internet site security system and method thereof. That is, the present invention comprises a browser execution module which executes the browser for providing a work-performing environment on the internet site according to the selection of a user; a memory protection module which, according to the execution of the browser, prevents an external module from accessing a memory area allocated to the browser and detects whether the memory area is tampered or not and whether the executing code is tampered or not; and a browser protection module which prevents another process or module from debugging the browser execution module according to the execution of the browser, and distinguishing several modules loaded to the memory area into acceptable modules and unacceptable modules, and thereby is able to provide a secure electronic transaction based environment against a malicious attack.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: October 1, 2013
    Assignee: Ahnlab, Inc.
    Inventors: Ho-Woong Lee, Sung Jin Yang, Sang Min Chung
  • Publication number: 20110126285
    Abstract: The present invention discloses an internet site security system and method thereof. That is, the present invention comprises a browser execution module which executes the browser for providing a work-performing environment on the internet site according to the selection of a user; a memory protection module which, according to the execution of the browser, prevents an external module from accessing a memory area allocated to the browser and detects whether the memory area is tampered or not and whether the executing code is tampered or not; and a browser protection module which prevents another process or module from debugging the browser execution module according to the execution of the browser, and distinguishing several modules loaded to the memory area into acceptable modules and unacceptable modules, and thereby is able to provide a secure electronic transaction based environment against a malicious attack.
    Type: Application
    Filed: February 12, 2009
    Publication date: May 26, 2011
    Inventors: Ho-Woong Lee, Sung Jin Yang, Sang Min Chung
  • Patent number: D675366
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: January 29, 2013
    Inventors: Mendini Alessandro, Sang Min Chung
  • Patent number: D729676
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: May 19, 2015
    Inventors: Sang Min Chung, Mendini Alessandro
  • Patent number: D793598
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: August 1, 2017
    Inventor: Sang Min Chung