Patents by Inventor Seung Hwan Oh

Seung Hwan Oh 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: 7396093
    Abstract: A refrigerator having a basket lift apparatus that improves convenience by raising a basket provided at a lower portion of a body. The refrigerator includes a refrigerator body having cooling chambers; a frame slidingly received in a cooling chamber provided at a lower portion of the body; a basket on the frame for storing food items; a door hingedly connected to the front of the frame; a first link, one side of the first link rotatably connected to the basket or the frame and the other side slidably coupled with the frame or the basket; a second link provided across the first link, one side of the second link rotatably connected to the basket or the frame and the other side slidably coupled with the frame or the basket; and a link drive unit.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: July 8, 2008
    Assignee: LG Electronics Inc
    Inventors: Kyung-Han Jeong, Sang-Oh Kim, Seung-Hwan Oh
  • Publication number: 20080136707
    Abstract: An apparatus for generating a device address of a wireless local network includes an alien beacon determination unit which determines whether a received beacon is an alien beacon; a zone identity management unit which compares an alien zone identity included in the received beacon with a zone identity of a corresponding device if the received beacon is the alien beacon, and regenerates the zone identity of the corresponding device if the alien zone identity is identical to the zone identity of the corresponding device; and a device address generation unit which regenerates a device address of the corresponding device if a device address of an alien beacon group is identical to the device address of the corresponding device.
    Type: Application
    Filed: October 17, 2007
    Publication date: June 12, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Woo Seo, Seung Hwan Oh, Dong Won Kwak
  • Patent number: 7383689
    Abstract: Disclosed is a dispenser of an icemaker in a refrigerator for maximizing an inner space when a total size is the same, and for minimizing the total size when the inner space is the same. The dispenser of the icemaker in the refrigerator includes an ice chute being a passage through which the ice produced from the icemaker is discharged; and a container supporter provided at an outer case and disposed to be perpendicular to an outer surface of the outer case when the ice is discharged outside through the ice chute, the contain supporter allowing a container seated thereon to receive the ice discharged from the ice chute. The ice chute is closed and not exposed outside when the ice-discharging process is finished, and the container supporter is not exposed to the outer surface of the outer case.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: June 10, 2008
    Assignee: LG Electronics Inc.
    Inventors: Wook Yong Lee, Eui Yeop Chung, Seung Hwan Oh, Myung Ryul Lee, Chang Ho Seo, Seong Jae Kim, Sung Hoon Chung
  • Publication number: 20080117811
    Abstract: An apparatus and method of receiving and transmitting data in a wireless local network is provided. An apparatus for receiving data in a wireless local network includes: a congestion determiner which determines whether there is a congestion in a buffer storing received data if the data is received via a prioritized contention access (PCA) period; and a congestion information transmitter which transmits, in the PCA period or a beacon period (BP), congestion generation information in a medium access control (MAC) frame or a beacon frame if there is the congestion in the buffer.
    Type: Application
    Filed: September 20, 2007
    Publication date: May 22, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Woo SEO, Jun Seo LEE, Jun Haeng CHO, Seung Hwan OH, Dong Won KWAK
  • Patent number: 7373789
    Abstract: Refrigerator and an ice maker, the refrigerator including an ice maker, an ice bank for receiving ice from the ice maker, and discharging the ice, an ice moving device movably mounted for receiving ice from the ice bank, and discharging the ice to a dispenser, and a driving device for moving the ice moving device, thereby obtaining ice without bending oneself.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: May 20, 2008
    Assignee: LG Electronics Inc.
    Inventors: Seung Hwan Oh, Myung Ryul Lee
  • Publication number: 20080112384
    Abstract: An apparatus and method of merging beacons in a wireless local network are provided. The method of merging beacons in a wireless local network includes: calculating a continuous occurrence frequency of a received alien beacon period (BP); comparing the calculated occurrence frequency with a certain reference occurrence frequency; and merging a beacon group of a corresponding device with an alien beacon group when the calculated occurrence frequency is greater than or equal to the reference occurrence frequency.
    Type: Application
    Filed: March 19, 2007
    Publication date: May 15, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Woo Seo, Jun Seo Lee, Jun Haeng Cho, Yong Suk Kim, Seung Hwan Oh
  • Publication number: 20080107015
    Abstract: An apparatus for preventing a device address from conflicting in a WiMedia media access control (MAC), the apparatus including: a device address conflict determination unit which determines whether a conflict between a device address of the apparatus and alien device addresses included in a received alien beacon occurs; a device address generation unit which regenerates the device address of the apparatus when the conflict occurs and a beacon group of the apparatus is not a reference beacon group; a device address information generation unit which generates information about the regenerated device address of the apparatus; and a device information update unit which updates device information of the beacon group of the apparatus, when a beacon including information about a regenerated device address of the apparatus is received from another device included in the beacon group of the apparatus.
    Type: Application
    Filed: March 22, 2007
    Publication date: May 8, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Haeng Cho, Jun Seo Lee, Chang Woo Seo, Yong Suk Kim, Seung Hwan Oh
  • Patent number: 7316121
    Abstract: Disclosed is a dispenser of an icemaker in a refrigerator for maximizing an inner space when a total size is the same, and for minimizing the total size when the inner space is the same. The dispenser of the icemaker in the refrigerator includes an ice chute being a passage through which the ice produced from the icemaker is discharged; and a container supporter provided at an outer case and disposed to be perpendicular to an outer surface of the outer case when the ice is discharged outside through the ice chute, the contain supporter allowing a container seated thereon to receive the ice discharged from the ice chute. The ice chute is closed and not exposed outside when the ice-discharging process is finished, and the container supporter is not exposed to the outer surface of the outer case.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: January 8, 2008
    Assignee: LG Electronics Inc.
    Inventors: Wook Yong Lee, Eui Yeop Chung, Seung Hwan Oh, Myung Ryul Lee, Chang Ho Seo, Seong Jae Kim, Sung Hoon Chung
  • Patent number: 7263854
    Abstract: An icemaker for an ice supply system for preventing water from overflowing from the ice tray by vibration and/or shaking of the surrounding structure includes an icemaker, a container provided at a lower part of the icemaker and an ice chute for supplying the ice stored in the ice container. An ejector in the ice tray of the icemaker and a dropper device having an inclined upper surface at a side of the open top of the ice tray are provided for dropping the ice discharged upwardly by the ejector. The dropper has no gap or slot through which the ejector passes to prevent water overflow through the dropper. An overflow prevention device is provided at another side of the open top of the ice tray for preventing water filled in the ice tray from overflowing.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: September 4, 2007
    Assignee: LG Electronics Inc.
    Inventors: Wook Yong Lee, Myung Ryul Lee, Seung Hwan Oh, Eui Yeop Chung
  • Patent number: 7254738
    Abstract: A method for processing a received packet in a MAC (Medium Access Control) layer of an Ethernet which receives a packet from a physical layer and transmits the received packet to a switch. The method includes the steps of detecting an error while receiving the packet from the physical layer; upon failure to detect error, transmitting the received packet to the switch; and, upon detection of error, stopping the transmission of the received packet to the switch.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: August 7, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seung-Hwan Oh
  • Patent number: 7240512
    Abstract: Provided is a refrigerator including an adiabatic space formed on an inner surface of a chilling chamber door and an ice machine disposed inside the adiabatic space, thereby enabling a more efficient usage of an inner space of the refrigerator. Also, the present invention provides a cooling air passage structure of a refrigerator for properly supplying cooling air for freezing to an inside of the refrigerator having an ice machine disposed on an inner surface of a chilling chamber door.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: July 10, 2007
    Assignee: LG Electronics Inc.
    Inventors: Wook Yong Lee, Eui Yeop Chung, Seung Hwan Oh, Myung Ryul Lee, Ill Shin Kim, Seong Ook Kim, Yong Chol Kwon
  • Patent number: 7134292
    Abstract: Disclosed are a full ice level sensing apparatus and method in which a full ice level of ice cubes in an ice bank is sensed by means of upward and downward movements of an elevating member, thereby minimizing an operational area of the elevating member required to sense the full ice level and increasing an effective volume of a freezing chamber. The full ice level sensing apparatus includes an elevating member disposed so as to rectilinearly move up and down into the ice bank, elevating means for rectilinearly moving the elevating member upward and downward, and sensing means for sensing whether or not the ice bank is at the full ice level based on the position of the elevating member.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: November 14, 2006
    Assignee: LG Electronics Inc.
    Inventor: Seung Hwan Oh
  • Patent number: 7111473
    Abstract: An ice bank of an ice-making device for a refrigerator is disclosed, for smooth crush and discharge of ice, which includes a housing for storing ice made in an icemaker, and provided rotatably to apply the power to the stored ice at a rotation direction; an ice discharger having at least one hole through which the ice is discharge to the external; a crusher provided in the inside of the housing, the crusher guiding the stored ice to the hole of the ice discharge and crushing the ice as a predetermined size before discharging the ice to the hole according to a user's select; and rotating means for rotating the housing. Also, the crusher includes fixed crushing means fixed to the inside of the housing, and rotation crushing means rotated for being synchronized with the housing so as to crush the ice before discharging the ice to the external according to a user's select.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: September 26, 2006
    Assignee: LG Electronics Inc
    Inventors: Eui Yeop Chung, Wook Yong Lee, Seung Hwan Oh, Myung Ryul Lee
  • Publication number: 20060182056
    Abstract: A device and method for adaptively controlling a turn-on time of a transceiver so that power consumption is reduced. The device includes a transceiver for receiving a beacon frame broadcasted by a coordinator which coordinates devices, and a controller for determining whether a period of the beacon frame is changed by checking period information in the received beacon frame. The device further includes a beacon frame arrival-time estimation part for estimating an arrival-time of a next beacon frame to be received, based on the changed period information of the beacon frame, a time-error estimation part for estimating a time-errors of the coordinator and the device based on the changed period information of the beacon frame, and a turn-on time estimation part for estimating a turn-on time of a transceiver based on the estimated beacon frame arrival-time and the estimated time-errors.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 17, 2006
    Inventors: Ji-tae Kim, Soon-jin Choi, Seung-hwan Oh
  • Publication number: 20060171352
    Abstract: Disclosed is a method of assigning an address to a mobile node in a tree-structure wireless network, the method including sending a registration request to a management node by a mobile node when the mobile node joins with the wireless network, allocating a static address for the mobile node by the management node responding to the registration request, sending the allocated static address to the mobile node, and setting the static address received from the management node as its own static address by the mobile node. In accordance with the present invention, even if a mobile node moves and its dynamic address is changed, all nodes in the middle of the moved mobile node are not disconnected in communication.
    Type: Application
    Filed: January 31, 2006
    Publication date: August 3, 2006
    Inventors: Eun-il Seo, Seung-hwan Oh
  • Publication number: 20060174030
    Abstract: A coordinator's data transmission method, a device's data reception method, a coordinator using the coordinator's data transmission method and a device using the device's data reception method are provided. In a Zigbee system including at least one device and a coordinator for coordinating the device, in a case where a frame pending bit in a beacon frame is determined to be a value representing a direct transmission method, a beacon frame containing an address of a device to receive data and a data transmission time is generated and data is transmitted from the coordinator at the data transmission time. Data transmission time and power consumption can be reduced.
    Type: Application
    Filed: November 16, 2005
    Publication date: August 3, 2006
    Inventors: Soon-jin Choi, Min-seop Jeong, Woo-jong Park, Seung-hwan Oh
  • Patent number: 7051541
    Abstract: Icemaker in a refrigerator for making ice automatically is disclosed. The icemaker in includes an ice tray provided to a door on the refrigerator for holding water, an ejector fitted adjacent to the ice tray so as to be rotatable by a motor for ejecting ice from the ice tray, means for detecting a rotation angle of the ejector, and a control part for controlling a rotation direction of the ejector based on information detected at the means.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: May 30, 2006
    Assignee: LG Electronics Inc.
    Inventors: Eui Yeop Chung, Wook Yong Lee, Seung Hwan Oh, Myung Ryul Lee
  • Publication number: 20060104250
    Abstract: A beacon scheduling method and system in a network system. The beacon scheduling method of a router in a network system that includes at least one router, includes receiving a beacon signal from a parent node; calculating a difference between an address of the parent node and an address of the router; and setting the calculated difference to a beacon transmission offset of the router. Accordingly, all devices from the top to the bottom of the network can transmit their beacons without collisions, and thus the multi-hop tree structure can be established.
    Type: Application
    Filed: November 14, 2005
    Publication date: May 18, 2006
    Inventors: Seung-hwan Oh, Soon-jin Choi, Min-seop Jeong, Jong-hun Park
  • Publication number: 20060103273
    Abstract: A refrigerator includes a main body having cooling chambers for keeping food items therein, a base frame disposed to be movable in outward and inward directions in a lower cooling chamber disposed at a lower portion of the main body, and having a basket door at its front side, a lift frame disposed on the base frame, on which the basket is put, a fluid pressure cylinder mounted at the base frame and connected to the lift frame to lift the lift frame, and an fluid compressor connected to the fluid pressure cylinder by an fluid supply pipe and supplying compressed fluid to the fluid pressure cylinder. Accordingly, as the basket is lifted when being drawn out, a user can take out food items kept in the basket without bending his/her back, which enhances user's convenience.
    Type: Application
    Filed: July 12, 2005
    Publication date: May 18, 2006
    Applicant: LG Electronics Inc.
    Inventors: Myung-Ryul Lee, Seong-Jae Kim, Seung-Hwan Oh
  • Publication number: 20060096304
    Abstract: Disclosed are an apparatus for controlling a container of a refrigerator and a method thereof. The apparatus comprises: a body having an upper cooling chamber and a lower cooling chamber having an opened front surface and separated from each other; an upper door for opening and closing the opened front surface of the upper cooling chamber; a lower door for opening and closing the opened front surface of the lower cooling chamber by being slid in a back and forth direction of the body; a lower container formed at a rear surface of the lower door to be movable in an up and down direction of the body and integrally slid with the lower door; a plurality of upper containers slidable in a back and forth direction of the body and formed at the rear surface of the lower door and at an upper portion of the lower container; and a control means for controlling the lower container to be lifted or lowered.
    Type: Application
    Filed: January 5, 2005
    Publication date: May 11, 2006
    Inventors: Sang-Oh Kim, Kyung-Han Jeong, Seung-Hwan Oh