Patent application number | Description | Published |
20090192399 | Apparatus and method to detect heart-rate and air conditioning system having the apparatus - Disclosed herein are an apparatus and method to detect a heart-rate and an air conditioning system having the apparatus. As peak points of vital signs acquired from a user are detected via determination of a period, a reliable heart rate variability is calculated based on the peak points. As the emotional state of the user can be diagnosed based on vital signs of the user, optimal air-conditioning control according to physical characteristics or emotional state of the user can be accomplished by sequentially controlling a variety of air-conditioning control factors according to the priority thereof until the user becomes comfortable. | 07-30-2009 |
20090230307 | Device to detect heat source, home appliance having the same and method of detecting heat source - A device to detect a heat source, which can detect position of a heat source faster and more efficiently using a sensor capable of detecting a heat source, a home appliance having such a detecting device and a method of detecting a heat source are disclosed. The heat source detecting method includes performing a first mode to scan an overall area to be searched, performing a second mode to scan at least one specific region included in the area to be searched, and detecting a heat source in the area to be searched by selectively controlling a sensor the first mode and the second mode. Accordingly, a period of renewing position information of a heat source is shortened, and unnecessary detecting operation is eliminated. As a result, the heat source detecting device can more efficiently detect a heat source, using a sensor having limited performance. | 09-17-2009 |
20090232182 | Air conditioner and temperature sensor - Disclosed is an air conditioner, in which, when a temperature sensor is rotated, the rotating speed of the temperature sensor is increased or the temperature sensing cycle is elongated in a rotating section where an object does not exist rather than in a rotating section where the object exists. Further, the rotating speed of the temperature sensor is increased or the temperature sensing cycle is elongated if the object is located at a short distance from the air conditioner rather than if the object is located at a normal distance from the air conditioner, and the rotating speed of the temperature sensor is decreased or the temperature sensing cycle is shortened if the object is located at a long distance from the air conditioner rather than if the object is located at a normal distance from the air conditioner. | 09-17-2009 |
20090241561 | Refrigerator and defrost control method thereof - Disclosed herein are a refrigerator and a defrost control method thereof that are capable of sensing an amount of frost formed on an evaporator based on a change amount of absolute humidity in the refrigerator to control a defrost operation. A defrost control method of a refrigerator including a storage chamber and an evaporator to cool the storage chamber, includes sensing absolute humidity in the storage chamber, determining an estimated amount of frost formed on the evaporator using time segments in which the absolute humidity in the storage chamber decreases, and controlling a defrost operation based on the estimated amount of frost. According to the present embodiments, it is possible to perform the defrost operation at the point of time for optimum defrost, thereby maximizing energy efficiency and cooling efficiency. | 10-01-2009 |
20110120694 | Air conditioner and communication method thereof - An air conditioner in which a Carrier Sensing Multiple Access/Collision Avoidance (CSMA/CA) algorithm is provided on a bidirectional RS-485 communication line, and a communication method thereof. The air conditioner includes an RS-485 communication module to transmit and receive data in an RS-485 communication mode, and a microcomputer to determine presence or absence of data on a communication line when data to be transmitted is generated, occupy the communication line if no data is present on the communication line, and then transmit the generated data to the communication line. | 05-26-2011 |
20110291487 | Indoor unit and method thereof and air conditioning system having the same - An indoor unit performs a control operation to not supply power to a load device through a power/communication line simultaneously with other indoor units. An air conditioning system may includes an indoor unit including a microcomputer to output a power application signal to supply power to a load device through a power/communication line, and a duplicate power application prevention unit to interrupt the power application signal from the microcomputer when the power is simultaneously applied to the power/communication line by a different indoor unit, to prevent the power from being duplicately applied to the power/communication line. | 12-01-2011 |
20120033745 | Power device and safety control method thereof - An air conditioner includes at least one indoor unit and a wired controller connected to the indoor unit through two lines to receive power from the indoor unit and to perform data communication with the indoor unit. Each of the indoor unit and the wired controller includes a communication unit that modulates a low-frequency communication signal into a high-frequency communication signal and transmits the high-frequency signal and demodulates a received high-frequency signal into a low-frequency signal. When a plurality of indoor units and a wired controller perform communication, a communication signal is transmitted after being modulated into a high-frequency signal and linking the high-frequency signal with DC power. This reduces the inductance of an inductor required to separate the linked high-frequency signal into DC power and a communication signal and the capacitance of a capacitor required to link the signal with DC power, reducing PCB size and inductor and capacitor costs. | 02-09-2012 |
20140304126 | REFRIGERATOR AND MOBILE TERMINAL FOR FOOD MANAGEMENT - A refrigerator includes storage chambers storing foods, cooling devices cooling the storage chambers, a display unit displaying a picture to manage foods, a communication unit receiving product information of products purchased by a user from a seller server, and a control unit extracting product information of food items purchased by the user from the product information of the products and controlling the display unit so as to display food management information generated based on the extracted product information of the food items. The refrigerator may display management information of the food items purchased by the user without separate input of the product information of the food items purchased by the user. | 10-09-2014 |
20140346238 | INDOOR UNIT AND AIR CONDITIONING SYSTEM USING THE SAME - An indoor unit and an air conditioning system using the same include a first communication module to communicate with a wired remote controller, a power switch connected to a power terminal of one or the other side of the first communication module, a ground switch connected to a ground terminal of one or the other side of the first communication module to constitute a pair with the power switch, and an indoor unit controller to turn on the power switch and the ground switch when an indoor unit supplies power to the wired remote controller, and to turn off the power switch and the ground switch when another indoor unit supplies power to the wired remote controller. | 11-27-2014 |
Patent application number | Description | Published |
20090004816 | METHOD OF FORMING ISOLATION LAYER OF SEMICONDUCTOR DEVICE - A method of forming an isolation layer in a semiconductor device using rapid vapor deposition to fill in a trench of the semiconductor device comprises forming a hydrophilic layer on the trench and forming a hydrophobic layer on a region other than the trench, and selectively forming a buried insulating layer in the trench using a catalytic reaction of the hydrophilic layer. | 01-01-2009 |
20140030884 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE INCLUDING SILICON-CONTAINING LAYER AND METAL-CONTAINING LAYER, AND CONDUCTIVE STRUCTURE OF THE SAME - A method for fabricating a semiconductor device includes forming a silicon-containing layer; forming a metal-containing layer over the silicon-containing layer; forming an undercut prevention layer between the silicon containing layer and the metal containing layer; etching the metal-containing layer; and forming a conductive structure by etching the undercut prevention layer and the silicon-containing layer. | 01-30-2014 |
20150214313 | TRANSISTOR HAVING DUAL WORK FUNCTION BURIED GATE ELECTRODE AND METHOD FOR FABRICATING THE SAME - A transistor having a source region and a drain region which are separately formed in a substrate, a trench which is defined in the substrate between the source region and the drain region, and a gate electrode which is formed in the trench. The gate electrode includes a first electrode buried over a bottom of the trench; a second electrode formed over the first electrode; and a liner electrode having an interface part which is positioned between the first electrode and the second electrode and a side part, which is positioned on sidewalls of the second electrode and overlaps with the source region and the drain region. | 07-30-2015 |
20160093527 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE INCLUDING SILICON-CONTAINING LAYER AND METAL-CONTAINING LAYER, AND CONDUCTIVE STRUCTURE OF THE SAME - A method for fabricating a semiconductor device includes forming a silicon-containing layer; forming a metal-containing layer over the silicon-containing layer; forming an undercut prevention layer between the silicon containing layer and the metal containing layer; etching the metal-containing layer; and forming a conductive structure by etching the undercut prevention layer and the silicon-containing layer. | 03-31-2016 |
Patent application number | Description | Published |
20100073059 | Duty control circuit and semiconductor device having the same - A duty control circuit including a clock input unit connected to a first node and a second node, the clock input unit receiving an input clock signal through the first node and changing a voltage of the second node to one of a first voltage level and a second voltage level in response to respective low and high logic levels of the input clock signal, a slew controller connected to the second node, the slew controller including one or more switches controlled by respective control signals, the one or more switches providing one of the first voltage level and the second voltage level to the second node in response to the control signals such that a slew rate of a signal at the second node is varied, and a clock output unit, the clock output unit outputting an output clock signal having a duty that varies. | 03-25-2010 |
20100097112 | DUTY CYCLE CORRECTION CIRCUITS HAVING SHORT LOCKING TIMES THAT ARE RELATIVELY INSENSITIVE TO TEMPERATURE CHANGES - A duty cycle correction circuit includes a duty cycle correction portion that is configured to output a correction signal that is obtained by correcting a duty cycle of an input signal and to output a delayed signal that is obtained by delaying the correction signal, a complementary portion that is configured to output a complementary signal that is the complement of the delayed signal, and a phase interpolator that is configured to phase interpolate the complementary signal and the correction signal. | 04-22-2010 |
20100219867 | Delay-locked loop and electronic device including the same - A delay locked loop is provided. The delay locked loop controls the number of delay cells that delay the phase of an input clock during a locking operation and controls a phase delay value of at least one delay cell among a plurality of delay cells after the locking operation is completed. | 09-02-2010 |
Patent application number | Description | Published |
20090015165 | Plasma generating apparatus - A plasma generating apparatus having superior plasma generation efficiency that uses a single reaction chamber. The plasma generating apparatus includes a RF generator for providing a RF power, an antenna for generating an electromagnetic field upon receiving the RF power, a reaction chamber for exciting/ionizing a reaction gas via the electromagnetic field, and generating a plasma, and a plasma channel for absorbing the RF power, and allowing a current signal to be induced to the plasma. | 01-15-2009 |
20100065215 | Plasma generating apparatus - A plasma generating apparatus including a plurality of plasma source modules. Each plasma source module includes a ferrite core having high magnetic permeability and a plasma channel through which plasma may pass. The plasma generating apparatus may effectively generate and uniformly distribute large-area and high-density plasma without a dielectric window. | 03-18-2010 |
20150034010 | SUSCEPTOR AND APPARATUS INCLUDING THE SAME - A film deposition apparatus includes a chamber, at least one susceptor disposed inside the chamber and including a seating part, and at least three protrusion parts disposed on the seating part. The seating part is configured to have a wafer seated thereon. The film deposition apparatus further includes a heat source configured to supply heat to the at least one susceptor. The at least three protrusion parts are spaced a distance apart from a center of the at least one susceptor, and the distance is greater than or equal to one third (⅓) of a radius of the wafer seated on the at least one susceptor or greater than or equal to one third (⅓) of a radius of the at least one susceptor. | 02-05-2015 |
20150155140 | SEMICONDUCTOR MANUFACTURING APPARATUS AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD USING THE SAME - A semiconductor manufacturing apparatus may include a chamber accommodating a substrate to be processed, a first electrode providing electric field in the chamber and a second electrode opposing to the first electrode, and a first power transmitting rod connected to one of the first electrode and the second electrode. A conductive stress attenuating unit may be formed in the first power transmitting rod. Methods of manufacturing semiconductor devices using the semiconductor manufacturing apparatus are also disclosed. | 06-04-2015 |
Patent application number | Description | Published |
20090266328 | INTAKE MANIFOLD FOR VEHICLE - The present invention relates to an intake manifold for a vehicle and comprises tanks for stabilizing intaken air introduced from a throttle body; a plurality of zip tubes diverged from the tanks; a plurality of runners connected to the zip tubes and communicated with respective cylinders; and a adjustment apparatus provided at one side of the zip tubes and the runners for varying the diameter of the zip tube and the diameter of the runner according to an engine operation range. Due to the above structure, the diameter of the zip tube and the diameter of the runner can be varied continuously within the overall operating range of an engine by the adjustment apparatus. Hence, the performance of the engine can be enhanced. | 10-29-2009 |
20140190823 | BIOSENSOR - A biosensor is provided. The biosensor includes a base plate including a detector configured to detect a sample through an electrode, an insulation layer disposed on a top surface of the base plate, a top plate mounted over the base plate and including a sample inlet that introduces the sample onto the detector, and a spacer interposed between the top plate and the insulation layer and forming a chamber. | 07-10-2014 |
20140206969 | BLOOD GLUCOSE METER - A blood glucose meter is provided. The blood glucose meter includes a body of the blood glucose meter, a lancing unit which is provided at one side of the body of the blood glucose meter and includes a lancet to puncture a skin in order to sample blood of a user, a sensor strip unit which is provided at another side of the body of the blood glucose meter which is different than the one side of the body at which the lancing unit is provided, the sensor strip unit being configured to sample the blood of the user, and a measurement unit which measures the blood sampled by the sensor strip unit. The blood glucose meter has the measurement unit which is integrally assembled with the body of the blood glucose meter and includes the lancing unit having the lancet and the sensor strip unit. | 07-24-2014 |
20160054252 | Electrochemical Biosensor - Provided is a biosensor having i) sufficient sensitivity allowing quantitative detection of a low concentration of an analyte; and ii) excellent selectivity allowing selective distinction of the presence of an analyte. | 02-25-2016 |
20160054254 | Electron Mediator and Electrochemical Biosensor Employing the Same - Provided is an electron mediator system, which may include a first transition metal complex and a second transition metal complex, wherein a working potential of the electron mediator system may be substantially the same as a molar average of a working potential of the first transition metal complex and a working potential of the second transition metal complex. | 02-25-2016 |
Patent application number | Description | Published |
20120155930 | FIXING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE FIXING UNIT - A fixing unit and an image forming apparatus including the fixing unit. The fixing unit includes a heating roller having an internal space in which a heating source is disposed and a pressurizing roller facing the heating roller. The heating roller has a circular hollow pipe shape and includes a fixing nip forming part which forms a fixing nip between the fixing nip forming part and the pressurizing roller. The nip forming part can have a slim part disposed at a center thereof and a pair of deformation preventing parts formed at both ends of the slim part, each deformation preventing part having a thickness thicker than a thickness of the slim part. | 06-21-2012 |
20140199100 | FUSING DEVICE AND IMAGE FORMING DEVICE COMPRISING THE SAME - A fusing device with improved fusing performance to obtain superior gloss and gloss uniformity. The fusing device includes at least one heat source to generate heat, a fusing belt disposed near the heat source, a rotation unit contacting an outer circumference of the fusing belt, at least one pressurization unit pressed toward the rotation unit such that a fusing nip is formed between the fusing belt and the rotation unit, a heat conductor contacting an inner surface of the fusing belt to conduct heat to the fusing nip, and an intermediate unit disposed between the pressurization unit and the heat conductor to prevent transmission of heat from the heat conductor to the pressurization unit. | 07-17-2014 |
20150037077 | IMAGE FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - Disclosed herein are an image fixing device and an image forming apparatus having the same. The image fixing device includes a fixing belt which is rotatably disposed, and a pressure roller which is disposed to be opposite to the fixing belt and thus to press an outer circumferential surface of the fixing belt, wherein the fixing belt includes a fixing part of which an outer surface has a first friction coefficient, and a meandering movement preventing part which is located at each of both ends of the fixing part in a length direction of the fixing belt, and of which an outer surface has a second friction coefficient greater than the first friction coefficient. By the configuration, a meandering movement of the fixing belt is prevented, and thus it is possible to improve fixing efficiency. | 02-05-2015 |