Patent application number | Description | Published |
20080296452 | SUPPORTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME - A supporting device of a display apparatus, including a stationary base, a moving base to cooperate with the stationary base, a first coupling unit coupled to the stationary base and the moving base to guide the moving base to move with respect to the stationary base along a first plane, and a second coupling unit coupled to the stationary base and the moving base to movably guide the moving base with respect to the stationary base along a second plane substantially vertical to the first plane, the second coupling unit comprising a rotation hinge to rotatably guide the moving base along a transverse direction axis of the first plane. | 12-04-2008 |
20090090825 | SUPPORTING DEVICE AND DUAL DISPLAY UNIT HAVING THE SAME - A supporting device is installed between an auxiliary display unit and a main display unit to variously change the position and pose of the auxiliary display unit and a dual display unit having the same are disclosed. The dual display unit includes a main display unit which displays an image, a supporting device which is coupled to the main display unit, and an auxiliary display unit which is installed on the supporting device. The supporting device is configured to adjust the distance between the main display unit and the auxiliary display unit. | 04-09-2009 |
20090091512 | DUAL DISPLAY DEVICE AND MULTI DISPLAY DEVICE USING THE SAME - A dual display device in which the screen directions of two display panels, connected to each other, are variously changeable and a multi display device using the same. The dual display device includes a first display panel having a first screen, a second display panel having a second screen, and a connection shaft to connect the two display panels. The connection shaft includes a first shaft part rotatably coupled to the first display panel and a second shaft part rotatably coupled to the second display panel. The second shaft part extends from the first shaft part such that the second shaft part is perpendicular to the first shaft part. | 04-09-2009 |
20090091881 | DISPLAY DEVICE - A display device allows an auxiliary unit, such as a sub display panel or a memo clip, to be easily mounted by a user to or separated from the display device. The display device includes a display panel, a support unit to support the display panel, and at least one coupling groove formed at an edge of the display panel to allow at least one auxiliary unit to be mounted to or separated from the display panel. | 04-09-2009 |
20100019809 | Switch Controller, Switch Control Method, And Converter Using The Same - Disclosed are a switch controller, a switch control method, and a converter based thereon. The switch controller generates an input sensing voltage corresponding to the input voltage of the converter, and compares the input sensing voltage with a predetermined first reference value. The switch controller generates a zero cross detection signal with a first level or a second level depending upon the comparison result, and generates a reference clock signal varying in frequency in accordance with one cycle of the zero cross detection signal. The switch controller generates digital signals by using the reference clock signal and the zero cross detection signal. The digital signals synchronize with the zero cross detection signal, and increase in accordance with the reference clock signal during a half of one cycle of the zero cross detection signal, while decreasing in accordance with the reference clock signal during the other half cycle of the zero cross detection signal. The switch controller generates a reference signal with a voltage level corresponding to the digital signal. | 01-28-2010 |
20100109615 | Power Factor Correction Circuit And Method Of Driving The Same - The present invention relates to a power factor correction circuit and a method of driving the power factor correction circuit. The power factor correction circuit according to the present invention includes a power transfer element configured to receive an input voltage, an input current corresponding to the input voltage flowing through the power transfer element, and a switch connected to the power transfer element and configured to control an output voltage generated by the current flowing through the power transfer element. The power factor correction circuit is configured to detect a zero voltage edge timing of the input voltage by detecting the input voltage, generate a reference clock signal having a frequency that varies according to the detected edge timing, generate a reference signal using the reference clock signal, generate an error amplification signal based on a difference between the output voltage and a predetermined error reference signal, generate the amplification reference signal by multiplying the reference signal by the error amplification signal, and control a switching operation of the switch using the amplification reference signal and a detection signal corresponding to a current flowing through the switch. | 05-06-2010 |
20100133409 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device to a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 06-03-2010 |
20100267103 | FERMENTATION METHOD OF ANTLERS - A method of fermenting animal horny substance, which includes a step of fermenting the mixture of animal horny substance and rice straw in order to ferment animal horny substance by using rice straw, so that not only water-soluble effective components in animal horny substance but also non-water-soluble effective components can be ingested. | 10-21-2010 |
20110147557 | WALL MOUNTING APPARATUS FOR DISPLAY APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - A wall mount for a display apparatus to vertically move an apparatus body of the display apparatus in an electromotive manner and a display apparatus having the same are provided. A wire is mounted at the rear of the apparatus body. The wall mount includes a plurality of wire hanging members fixed to a rear of the apparatus; a wire connected between the wire hanging members; a guide member which is configure to move vertically while supporting the wire, to thereby move the apparatus vertically, the guide member not being exposed when the apparatus is viewed from a front of the apparatus; and a base member which is configured to be fixed to the wall to vertically move the guide member in an electromotive manner. | 06-23-2011 |
20110149181 | STAND FOR DISPLAY APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes: an apparatus body including a screen; a guide member coupled to the apparatus body; a neck member coupled to the guide member to support the apparatus body; and a base member coupled to a lower part of the neck member to support the display apparatus on an installation place. The guide member includes an electromotive module, disposed in the guide member, coupled to the neck member to enable rotation between the neck member and the guide member. | 06-23-2011 |
20110297806 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device of a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 12-08-2011 |
20110297807 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device of a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 12-08-2011 |
20120126076 | SUPPORTING DEVICE FOR DISPLAY APPARATUS - A supporting device to a display apparatus to prevent a wire from separating from a wire hanger. The supporting device to fix the display apparatus to a wall includes a wire part coupled to the display apparatus, a wire hanger mounted to the wall, the wire hanger to hang the wire part on the wall, and a separation protector provided at the wire hanger, the separation protector serving to prevent the wire part from separating from the wire hanger. | 05-24-2012 |
20120146516 | SYSTEM FOR MANUFACTURING POWER SUPPLY UNIT AND METHOD FOR MANUFACTURING POWER SUPPLY UNIT, AND FLICKER MEASUREMENT APPARATUS - A method of manufacturing a power supply unit (PSU) is provided. The method includes providing at least one PSU supplying a dimming signal to at least one light source, performing a first test for electrical characteristics of the at least one PSU, detecting light emitted from the at least one light source, measuring a flicker of the at least one light source, and performing a second test for a state of the at least one PSU based on a flicker measurement result, and packing a PSU determined to be in a normal state among the at least one PSU, as a result of the first test and the second test. | 06-14-2012 |
20120146622 | TEST APPARATUS FOR POWER SUPPLY UNIT - A test apparatus for a power supply unit is provided, which includes a body unit configured to define a space to receive a light emitting diode (LED) and to provide a test environment to test a supply state of power applied to the LED; and a test unit mounted in the body unit to face the LED and configured to detect flicker of the LED occurring when a power supply is abnormal. According to the foregoing structure, power supply with respect to the LED may be regularly detected and analyzed, thereby increasing quality of power supply with respect to the LED. | 06-14-2012 |
20130108066 | APPARATUS AND METHOD FOR TRACKING LOCATIONS OF PLURALITY OF SOUND SOURCES | 05-02-2013 |
20130175210 | ODOR TREATMENT DEVICE FOR SEPTIC TANKS - An odor treatment device for septic tanks, including an electrolytic oxidation module that has one or multiple electrode sets and processes odor precursors or organic matters that cause odor from organic wastewater and excretion flow inside by an electrolytic oxidation reaction; a supply line through which the excretion is supplied from a septic tank to the electrolytic oxidation module; a circulation line through which the organic wastewater and excretion with the odor precursors and organic matters processed by the electrolytic oxidation module are circulated back to the septic tank; a circulation pump that is disposed in the supply line and continuously circulates the organic wastewater and excretion; a direct current power supply unit that supplies direct current to the electrode sets of the electrolytic oxidation module; and a pump power supply unit that supplies power to the circulation pump. | 07-11-2013 |
20130343135 | SEMICONDUCTOR MEMORY DEVICES - A semiconductor memory device includes at least one memory cell connected to an internal voltage line that receives a cell power supply voltage and a write assist circuit connected to the internal voltage line. The write assist circuit lowers a level of the cell power supply voltage to a target level during a first period of a write operation on the memory cell and maintains the level of the cell power supply voltage at the target level during a second period of the write operation based on a write assist control signal. The second period succeeds the first period. | 12-26-2013 |
20140015590 | POWER GATING CIRCUIT - A power gating circuit includes a first current switch, a second current switch, and a switching controller. The first current switch is connected between a power rail and a circuit block operated by an operating supply voltage, and provides a first current when turned on. The second current switch is connected between the power rail and circuit block, and provides a second current larger than the first current when turned on. The switching controller turns on first current switch when transitioned from a sleep mode to an active mode to change the operating supply voltage using the first current, generates a reference voltage based on the operating supply voltage that changes more slowly than the operating supply voltage, and turns on the second current switch based on the reference voltage to provide the second current to the circuit block. | 01-16-2014 |
20140049187 | SYSTEM FOR MANUFACTURING POWER SUPPLY UNIT AND METHOD FOR MANUFACTURING SUPPLY UNIT, AND FLICKER MEASUREMENT APPARATUS - A method of manufacturing a power supply unit (PSU) is provided. The method includes providing at least one PSU supplying a dimming signal to at least one light source, performing a first test for electrical characteristics of the at least one PSU, detecting light emitted from the at least one light source, measuring a flicker of the at least one light source, and performing a second test for a state of the at least one PSU based on a flicker measurement result, and packing a PSU determined to be in a normal state among the at least one PSU, as a result of the first test and the second test. | 02-20-2014 |