Patents by Inventor Gang Hoon Lee
Gang Hoon Lee 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).
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Patent number: 7472459Abstract: A hinge structure for a flat visual display device comprising: a pivotal plate connected to the flat visual display device; a fixing plate connected to a supporting portion for supporting the flat visual display device; a rotational shaft inserted to vertical planes of the pivotal plate and the fixing plate, for rotation of the flat visual display device in one degree of freedom; a frictional member which is formed on an outer periphery of the rotational shaft for enclosing the rotational shaft, and whose both ends have a frictional member tightening plane of a planar shape on which a second inserting hole is formed; and a tightening member inserted to the second inserting hole, for tightening the frictional member tightening plane, thereby tightening the rotational shaft by means of the frictional member, and generating strong breaking force accordingly.Type: GrantFiled: July 27, 2002Date of Patent: January 6, 2009Assignee: LG Electronics Inc.Inventors: Gang Hoon Lee, Hong Ki Kim
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Patent number: 7404234Abstract: A hinge structure for a flat visual display device comprising: a fixed plate; pivotal plates; a rotation shaft inserted into vertical planes of the fixed and pivotal plates; rotation shaft-fixing ends in both ends of the rotation shaft for allowing the pivotal plates fitted around the ends of the rotation shaft to rotate together with the rotation shaft; a braking unit securely settled in the fixed plate and having a braking member for surrounding the outer circumference of the rotation shaft to generate braking force in the rotation shaft; stoppers folded from the fixed plate; stopper guides each having a guide groove in the outer circumference into which each of the stoppers is inserted and for being fitted around each of the rotation shaft-fixing ends; and a leaf spring inserted into a tightening face between both ends of the braking member.Type: GrantFiled: July 30, 2002Date of Patent: July 29, 2008Assignee: LG Electronics Inc.Inventors: Gang Hoon Lee, Jai Hyun Jo
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Patent number: 7257861Abstract: Disclosed is a hinge structure comprising: a fixed plate; pivotal plates provided outside both side planes of the fixed plate for relatively pivoting in respect to the fixed plate; a hinge shaft inserted into the fixed plate and the pivotal plates for functioning as a central pivoting shaft and provided in one end with a head portion expanded beyond the diameter of the hinge shaft and in the other end with a coupling portion; a fixing member fitted around the other end of the hinge shaft and laterally movable for adjusting the degree of tightening the hinge shaft; and projected washers each integrally bulged from inner faces of the pivotal plates for forming frictional faces against the fixed plate.Type: GrantFiled: July 27, 2002Date of Patent: August 21, 2007Assignee: LG Electronics Inc.Inventors: Gang Hoon Lee, Hong Ki Kim
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Patent number: 7178201Abstract: Disclosed is a hinge structure for a flat visual display device. The hinge structure comprises: a fixed plate and pivotal plates respectively fastened to the flat visual display device and a supporting portion for straightening the flat visual display device; rotation shafts with first ends placed in the side of the fixed plate and second ends placed in the side of the pivotal plates, the first or second ends being fixed to allow relative rotational movement between the fixed and pivotal plates; braking members provided around the rotation shafts for applying braking force; and braking housings provided around the braking members and with first fixed ends opposite to the fixed ends of the rotation shaft for applying braking force to faces contacting with the braking members.Type: GrantFiled: July 27, 2002Date of Patent: February 20, 2007Assignee: LG Electronics Inc.Inventors: Gang Hoon Lee, Hong Ki Kim
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Publication number: 20050102796Abstract: A hinge structure for a flat visual display device comprising: a pivotal plate connected to the flat visual display device; a fixing plate connected to a supporting portion for supporting the flat visual display device; a rotational shaft inserted to vertical planes of the pivotal plate and the fixing plate, for rotation of the flat visual display device in one degree of freedom; a frictional member which is formed on an outer periphery of the rotational shaft for enclosing the rotational shaft, and whose both ends have a frictional member tightening plane of a planar shape on which a second inserting hole is formed; and a tightening member inserted to the second inserting hole, for tightening the frictional member tightening plane, thereby tightening the rotational shaft by means of the frictional member, and generating strong breaking force accordingly.Type: ApplicationFiled: July 27, 2002Publication date: May 19, 2005Inventors: Gang-Hoon Lee, Hong Kim
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Publication number: 20050102797Abstract: Disclosed is a hinge structure for a flat visual display device. The hinge structure comprises: a fixed plate and pivotal plates respectively fastened to the flat visual display device and a supporting portion for straightening the flat visual display device; rotation shafts with first ends placed in the side of the fixed plate and second ends placed in the side of the pivotal plates, the first or second ends being fixed to allow relative rotational movement between the fixed and pivotal plates; braking members provided around the rotation shafts for applying braking force; and braking housings provided around the braking members and with first fixed ends opposite to the fixed ends of the rotation shaft for applying braking force to faces contacting with the braking members.Type: ApplicationFiled: July 27, 2002Publication date: May 19, 2005Inventors: Gang-Hoon Lee, Hong-ki Kim
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Patent number: 6601810Abstract: Disclosed is an apparatus for positioning the screen of a monitor that can not only function as a monitor supporter but also position the screen in vertical and horizontal directions to conform to the viewing angle of the screen. The apparatus for positioning screen of a monitor according to the invention comprises a swiveling unit including a lower bracket provided on an upper end portion of a monitor supporting column for adjusting a turning angle of the screen, and a swiveling shaft axially coupled with the lower bracket for turning around, and a tilting unit including a pair of tilting angle adjusting plates fixed on an upper end portion of the swiveling shaft for tilting the screen, a tilting shaft inserted between the tilting angle adjusting plates for moving the screen in a vertical direction, and upper brackets locked with a rear surface of the monitor for housing both ends of the tilting shaft and movable in a vertical direction centering around the tilting shaft.Type: GrantFiled: August 10, 2001Date of Patent: August 5, 2003Assignee: LG Electronics Inc.Inventor: Gang Hoon Lee
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Publication number: 20020020792Abstract: Disclosed is an apparatus for positioning the screen of a monitor that can not only function as a monitor supporter but also position the screen in vertical and horizontal directions to conform to the viewing angle of the screen. The apparatus for positioning screen of a monitor according to the invention comprises a swiveling unit including a lower bracket provided on an upper end portion of a monitor supporting column for adjusting a turning angle of the screen, and a swiveling shaft axially coupled with the lower bracket for turning around, and a tilting unit including a pair of tilting angle adjusting plates fixed on an upper end portion of the swiveling shaft for tilting the screen, a tilting shaft inserted between the tilting angle adjusting plates for moving the screen in a vertical direction, and upper brackets locked with a rear surface of the monitor for housing both ends of the tilting shaft and movable in a vertical direction centering around the tilting shaft.Type: ApplicationFiled: August 10, 2001Publication date: February 21, 2002Inventor: Gang Hoon Lee