Ho-Joong
Ho Joong Kang, Seoul KR
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20100026969 | Projection system - A projection system is disclosed. An object of the present invention is to provide a projection system that is able to present brighter images efficiently. A projection system includes a plurality of light sources generating lights, a light source composition part comprising a plurality of protrusions facing the light sources, respectively, to compose the lights incident from the light sources, and an optical system emitting the light outside from the light source composition part. | 02-04-2010 |
20100302511 | PROJECTION DISPLAY DEVICE - A projection display device ( | 12-02-2010 |
20140146292 | PROJECTION DISPLAY DEVICE FOR PROJECTING AN INPUT UNIT IMAGE - A projection display device ( | 05-29-2014 |
Ho Joong Kang, Gyeonggi-Do KR
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20090239440 | SMART CUP HAVING PLAY MODULE AND METHOD OF MANUFACTURING THEREOF - Provided is a smart cup having a sound player which is driven by sensors controlled by a micro-controller, to thus control the output of the sound player and extend function and use of a general cup to thereby give help to a daily life of users who use the smart cup. The smart cup includes: a main body of a cup; a play module case; and a silicon coupling portion. The play module detects whether a temperature change occurs in the cup or water-soluble liquid is contained in the cup, to thereby reproduce a built-in sound and includes: a cup material selection button unit; a power switch; a temperature sensor which measures temperature of the cup; an electrostatic capacity proximity sensor which measures a change of an electrostatic capacity; an electrostatic capacity analysis integrated circuit which detects sensitivity of the electrostatic capacity proximity sensor, a detection distance, a changed electrostatic capacity; and a micro-controller which determines whether or not sound will be reproduced. | 09-24-2009 |
Ho Joong Kim, Yongin-Si KR
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20090233552 | OPERATION METHOD AND DEVICE FOR INTEGRATED MODEM HAVING PLURALITY OF MODEMS - An operation method and device for an integrated modem having a plurality of modems is provided. The method includes connecting the integrated modem to a mobile terminal, supplying, by the mobile terminal, power to each modem of the integrated modem, performing booting each modem to maintain a ready-on state, and controlling to operate a modem selected according to an input signal from an input unit while terminating supplying of power to the non-selected modem or maintaining the booting completion state. | 09-17-2009 |
Ho Joong Lee, Seoul KR
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20130234194 | LIGHT-EMITTING DIODE (LED) WAFER PICKER - A light-emitting diode (LED) wafer picker that may increase a suction force and may perform stable adsorption without a concern for contact with a top surface of an LED wafer is provided. An LED wafer picker may include a main body to hold, in an adsorbed state, an LED wafer disposed below the main body, when air drawn in from a top of the LED wafer picker is discharged along a streamlined discharge surface to both sides of the LED wafer picker, a guide member to enable the air to flow along the discharge surface, the guide member being disposed below the discharge surface, a single central hole formed in a central portion of the guide member, excluding a portion facing the discharge surface, and a support portion to support the LED wafer, the support portion extending downward from the guide member. Accordingly, it is possible to easily perform adsorption of an LED wafer that is relatively far from the LED wafer picker. Additionally, it is possible to prevent the top surface of the LED wafer from coming into contact with the guide member, thereby reducing detects due to contamination of foreign substances. | 09-12-2013 |
Ho Joong Lee, Ansan-Si KR
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20150035302 | LIGHT-EMITTING DIODE (LED) WAFER PICKER - A light-emitting diode (LED) wafer picker that may increase a suction force and may perform stable adsorption without a concern for contact with a top surface of an LED wafer is provided. An LED wafer picker may include a main body to hold, in an adsorbed state, an LED wafer disposed below the main body, when air drawn in from a top of the LED wafer picker is discharged along a streamlined discharge surface to both sides of the LED wafer picker, a guide member to enable the air to flow along the discharge surface, the guide member being disposed below the discharge surface, a single central hole formed in a central portion of the guide member, excluding a portion facing the discharge surface, and a support portion to support the LED wafer, the support portion extending downward from the guide member. Accordingly, it is possible to easily perform adsorption of an LED wafer that is relatively far from the LED wafer picker. Additionally, it is possible to prevent the top surface of the LED wafer from coming into contact with the guide member, thereby reducing detects due to contamination of foreign substances. | 02-05-2015 |
Ho-Joong Choi, Daejeon KR
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20090195935 | SUSPENSION INTERCONNECT AND HEAD GIMBAL ASSEMBLY INCLUDING THE SAME - A suspension interconnect of a head gimbal assembly (HGA) includes a ground layer; a base layer formed of a dielectric material and disposed on the ground layer; a pair of read traces and a pair of write traces which are formed of a conductive material, disposed on the base layer to extend so as not to short each other; and a cover layer which are formed of a dielectric material, disposed on the base layer and the traces and are to seal the traces, wherein the cover layer includes a read cover layer which is to seal the read traces, and a write cover layer which is separated from the read cover layer and to seal the write traces. | 08-06-2009 |
Ho-Joong Kim, Seongnam-Si KR
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20100199294 | QUESTION AND ANSWER SERVICE METHOD, BROADCAST RECEIVER HAVING QUESTION AND ANSWER SERVICE FUNCTION AND STORAGE MEDIUM HAVING PROGRAM FOR EXECUTING THE METHOD - Provided are a question and answer service method for exchanging information related to a program or a scene being viewed, a broadcast receiver having a question and answer service function, and a computer readable storage medium storing a program for executing the method. The question and answer service method includes: obtaining image information on a special area on a screen image displayed on a display unit at a point of time when a question of a user is generated while watching a program; selecting question type information displayed on the display unit with respect to the obtained image information; transmitting information about the obtained image information and information about the selected question type to a server via a network; and outputting, if information about at least one answer to the selected question type information is sent from the server via the network, information on the received answer. | 08-05-2010 |
20110043326 | Broadcast receiver, mobile device, service providing method, and broadcast receiver controlling method - A broadcast receiver includes a mode determination unit to determine a current operation mode among a plurality of operation modes, a communication interface to transmit the determined current operation mode to a mobile device through interactive communication, and to receive a control command from the mobile device, and a controller to provide a service of the determined current operation mode according to the control command received from the mobile device. Accordingly, a user controls the broadcast receiver through the mobile device according to the operation mode so that user's convenience is improved. | 02-24-2011 |
20110202582 | METHOD AND APPARATUS FOR MANAGING TAG OF MULTIMEDIA CONTENT - Provided are a method and apparatus for managing, in a mobile device, a tag for multimedia content. The method includes: photographing the multimedia content that is identified by a content identifier (ID); obtaining additional information regarding the multimedia content; transmitting, to a tag providing server, a tag request message including a device ID of the mobile device, the content ID, and the additional information; and receiving, from the tag providing server, a tag response message including a recommendation tag list. | 08-18-2011 |
Ho-Joong Kwon, Gyeonggi-Do KR
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20130322373 | TRANSMISSION METHOD AND APPARATUS IN A WIRELESS COMMUNICATION SYSTEM - A transmission method and apparatus are provided for use in a wireless communication system in which a cell includes a plurality of sub-cells. A Transmission Point (TP) in the wireless communication system includes a transmitter configured to transmit a signal to each of the plurality of sub-cells through a plurality of antennas; a receiver configured to receive uplink control information from a User Equipment (UE) located within at least one of the plurality of sub-cells; and a controller configured to determine a virtual matrix for each of the plurality of sub-cells, to select a precoding matrix according to the virtual matrices of the plurality of sub-cells, to determine a cooperative transmission mode or a normal transmission mode, based on the received uplink control information, and to control the transmitter to perform downlink transmission on a sub-cell basis through the virtual matrices of the sub-cells according to the determined transmission mode. | 12-05-2013 |
20140287788 | APPARATUS AND METHOD FOR CONTROLLING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatus are provided for controlling interference by a TP in a wireless communication system. A first message, which includes channel quality information for the TP, is received from a terminal to which the TP provides a communication service. A second message, which includes received power information for a reference signal received from the terminal, is received from at least one neighbor TP. A data transmission rate is determined for the terminal based on the channel quality information and the received power information. | 09-25-2014 |
20140321299 | METHOD AND APPARATUS FOR DETERMINING CHANNEL QUALITY IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are provided for determining channel quality in a wireless communication system. The method includes receiving Channel Quality Information (CQI) from a receiver; generating a channel quality reference value by correcting the received CQI using first resource use/nonuse information received from a scheduler that indicates whether an adjacent cell used resources at a previous time, and received signal power information measured in the adjacent cell; and determining a channel quality value at a current time using the generated channel quality reference value and second resource use/nonuse information received from the scheduler that indicates whether an adjacent cell uses resources at the current time. | 10-30-2014 |
20140357286 | METHOD AND APPARATUS FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and apparatus for transmitting data in a wireless communication system for supporting multi-cells formed of a plurality of sub-cells. The method includes the steps of: connecting at least one virtual transmission port to each of the plurality of sub-cells; determining the transmission mode for a terminal on the basis of channel states between at least two of the plurality of sub-cells and the terminal; and transmitting data for each sub-cell to the terminal through at least one virtual transmission port connected to a corresponding sub-cell on the basis of the determined transmission mode. | 12-04-2014 |
Ho-Joong Kwon, Seoul KR
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20090196273 | Apparatus and method for transmitting data in wireless communication system - An apparatus and a method for a random access scheme for multi-channel in a wireless communication system are provided. The method for performing the random access scheme for the multi-channel in the wireless communication system includes randomly generating a backoff counter value to transmit data; adjusting the backoff counter value by taking into account status of a plurality of idle subcarrier sets per backoff slot; when the backoff counter value becomes zero, selecting one or more subcarrier sets to carry the data from the idle subcarrier sets; and transmitting the data through the selected one or more subcarrier sets. The data collision probability between the terminals can be lowered, the channel utility can be enhanced, the transfer rate in the single-channel random access scheme can be raised, and the consumption of the radio resource can be reduced without using signals for the band request and allocation. | 08-06-2009 |
Ho-Joong Lee, Anyang-Si KR
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20130221306 | VARIABLE RESISTIVE MEMORY DEVICE - A variable resistive memory device capable of reducing contact resistance by including a contact layer having low contact resistance, the variable resistive memory device including a substrate comprising an active region; a gate line on the substrate; a first contact layer electrically connected to the active region; a memory cell contact plug electrically connected to the first contact layer; and a variable resistive memory cell electrically connected to the memory cell contact plug, wherein the first contact layer has less contact resistance with respect to the active region than the memory cell contact plug. | 08-29-2013 |