Patents by Inventor Min-Woong Choi

Min-Woong Choi 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: 11663649
    Abstract: The present invention relates to a near field communication (NFC) and a Bluetooth-based digital price display system, and providing a digital price indicator communicating with a server to change information in real time, display information on a product, and replace a tag with an application installed in the digital price indicator.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: May 30, 2023
    Assignee: APELLES CO., LTD.
    Inventor: Min Woong Choi
  • Publication number: 20230069893
    Abstract: The present invention relates to a near field communication (NFC) and a Bluetooth-based digital price display system, and providing a digital price indicator communicating with a server to change information in real time, display information on a product, and replace a tag with an application installed in the digital price indicator.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 9, 2023
    Applicant: APELLES CO., LTD.
    Inventor: Min Woong CHOI
  • Publication number: 20110124368
    Abstract: A modular input device includes a manipulator movable in random directions, a sensor chip to detect displacement of the manipulator, an elastic member to return the displaced manipulator to its originally set position, a direction manipulator operating independently from the manipulator to provide manipulation space for the manipulator and to manipulate directions, a magnetic body moving in association with the manipulator to inform the sensor chip of the displacement of the manipulator, a circuit board having an operation switch at a position corresponding to the manipulator to output a signal detected by the sensor chip to an external device, and a housing to enclose the manipulator, the sensor chip, the magnetic body and the circuit board.
    Type: Application
    Filed: February 1, 2011
    Publication date: May 26, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Woong Choi, Ho Chul Joung, Gi Lyong Na
  • Patent number: 7872202
    Abstract: An inputting device, used for electronic devices, for example, is disclosed. The inputting device in accordance with an embodiment of the present invention includes a case, which has a through-hole, a center key, which is exposed externally through the through-hole and is movable to any directions on a plane, an operating member, which is fixed to the case and supports the center key and returns the center key by elastic force to a center of the through-hole if the center key is moved from the center of the through-hole, a magnet, which moves with the center key on a plane, and a sensing element, which senses a movement of the magnet. With the input method of the present invention, not only is the operation easier, but also the entire thickness of a device can be reduced.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: January 18, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gi-Lyong Na, Wook-Hee Lee, Young-Jin Jun, Sung-Hwar Yim, Min-Woong Choi
  • Publication number: 20080125193
    Abstract: An input apparatus and a mobile device having the input apparatus are disclosed. By using an input apparatus, incorporated in a terminal comprising a circuit board and a case that forms an overall outer shape, which includes: a maneuver part, of which one side faces one side of the circuit board; a magnet coupled to the maneuver part; a magnetism sensor, which is coupled to the other side of the circuit board, and which detects magnetic forces generated by the magnet; and a housing, which is coupled to the case, and which covers at least a portion of the maneuver part, the thicknesses of parts can be reduced and individual parts can freely be replaced, as the housing is detachably coupled to the case by hooks.
    Type: Application
    Filed: November 28, 2007
    Publication date: May 29, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min-Woong Choi, Ho-Chul Joung, Sung-Hwan Yim
  • Publication number: 20080048649
    Abstract: Disclosed herein is a thin input device. The thin input device includes a manipulation means, a displacement detection means, and a housing. The manipulation means is capable of being displaced in any direction. The displacement detection means is electrically connected to an external device and detects the displacement of the manipulation means. The housing detachably is mounted on the support element of the external device and contains the manipulation means.
    Type: Application
    Filed: July 17, 2007
    Publication date: February 28, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO, LTD
    Inventors: Min Woong Choi, Ho Chul Joung
  • Publication number: 20070262954
    Abstract: An inputting device, used for electronic devices, for example, is disclosed. The inputting device in accordance with an embodiment of the present invention includes a case, which has a through-hole, a center key, which is exposed externally through the through-hole and is movable to any directions on a plane, an operating member, which is fixed to the case and supports the center key and returns the center key by elastic force to a center of the through-hole if the center key is moved from the center of the through-hole, a magnet, which moves with the center key on a plane, and a sensing element, which senses a movement of the magnet. With the input method of the present invention, not only is the operation easier, but also the entire thickness of a device can be reduced.
    Type: Application
    Filed: April 27, 2007
    Publication date: November 15, 2007
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Gi-Lyong Na, Wook-Hee Lee, Young-Jin Jun, Sung-Hwar Yim, Min-Woong Choi
  • Publication number: 20070249397
    Abstract: Disclosed is a modular input device comprising a manipulator movable in random directions, a sensor chip for detecting displacement of the manipulator, an elastic member for returning the displaced manipulator to its originally set position, a direction manipulator operating independently from the manipulator for providing manipulation space for the manipulator and for manipulating directions, a magnetic body moving in association with the manipulator for informing the sensor chip of the displacement of the manipulator, a circuit board having an operation switch at a position corresponding to the manipulator for outputting a signal detected by the sensor chip to an external device, and a housing for enclosing the manipulator, the sensor chip, the magnetic body and the circuit board.
    Type: Application
    Filed: February 1, 2007
    Publication date: October 25, 2007
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Woong Choi, Ho Chul Joung, Gi Lyong Na
  • Publication number: 20060118243
    Abstract: A wafer support keeps a focus ring cool during an etching process to prevent the temperature from varying across a wafer being etched. The wafer support includes a main body in which a cooling passage is defined. The main body has a first top surface on which a wafer is supported and a second top surface atop which the focus ring is disposed. The cooling passage has a first cooling passageway extending directly under the first top surface to cool the wafer and a second cooling passageway extending directly under the second top surface to cool the focus ring.
    Type: Application
    Filed: August 1, 2005
    Publication date: June 8, 2006
    Inventor: Min-woong Choi
  • Publication number: 20040261714
    Abstract: An apparatus is provided. The apparatus comprises a chamber for loading a substrate therein, a plasma creation area in the chamber, first and second electrodes installed in the chamber, and a power source for supplying a radio frequency to the first electrode. The first electrode includes a plurality of areas having different resistances for varying the radio frequency applied to the plasma creation area. The upper electrode makes a plasma density uniform to enhance a process uniformity.
    Type: Application
    Filed: June 14, 2004
    Publication date: December 30, 2004
    Inventor: Min-Woong Choi
  • Patent number: 6074519
    Abstract: A plasma etching apparatus is provided having a sealing member coupling an upper electrode to the plasma etching chamber. A peripheral portion of the inner surface of the upper electrode includes a planar surface across both anodized and non-anodized portions of the surface in the peripheral contact region adjacent to the upper portion of the sidewalls of the chamber assembly. A sealing member is positioned between the planar, peripheral portion of the second electrode and the upper portion of the sidewalls to provide a seal therebetween. The anodized portion of the inner surface of the upper electrode may extend over the area adjacent to the opening in the chamber housing and further extend into the peripheral portion beyond the sealing member to reduce the potential for arcing to occur to the non-anodized section during plasma etching operations.
    Type: Grant
    Filed: September 3, 1999
    Date of Patent: June 13, 2000
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se-Hyeong Lee, Jong-Heui Song, Min-Woong Choi