Patent application number | Description | Published |
20120272670 | REFRIGERATOR AND CONTROL METHOD THEREOF - A refrigerator includes a cabinet having a storage space; a barrier to divide the storage space into a freezing compartment and a refrigerating compartment, filled with a heat insulator, and having a depression part formed on one side surface thereof; an evaporator accommodated in a part of the depression part; a blowing unit accommodated in another part of the depression part corresponding to a upper side of the evaporator; a barrier cover to shield the depression part by covering one side surface of the barrier. The depression part includes an evaporator accommodating part to accommodate the evaporator, a blowing unit accommodating part configured to accommodate the blowing unit, and a cold air passage extended from the blowing unit accommodating part to allow the cold air to be guided into the freezing compartment and to refrigerating compartment. The blowing unit accommodating part is depressed greater than the evaporator accommodating part. | 11-01-2012 |
20120285193 | REFRIGERATOR - Provided is a refrigerator. The refrigerator includes a storage space, a barrier main body, an insulator, an evaporator, a fan motor assembly, a barrier cover, and a cooling-air passage. The storage space includes a freezer compartment and a refrigerator compartment. The barrier main body defines the freezer compartment and the refrigerator compartment. The insulator is disposed at a side of the barrier main body to insulate the refrigerator compartment from the freezer compartment. The evaporator is disposed at a side of the insulator to generate cooling air. The fan motor assembly is disposed at an upper side of the evaporator to provide a driving force for circulating cooling air. The barrier cover is configured to cover sides of the evaporator and the fan motor assembly. The cooling-air passage is defined between the insulator and the barrier cover to allow a flow of cooling air generated by the evaporator. | 11-15-2012 |
20130086936 | REFRIGERATOR - Disclosed herein is a refrigerator including: a cabinet configured to define a storage space; a barrier configured to divide the storage space into a refrigerating compartment and a freezing compartment and having an heat insulator therein; a depression part formed to be depressed in the barrier for the freezing compartment and configured to accommodate an evaporator and a blowing unit; and a barrier cover configured to shield the depression part for the freezing compartment, wherein the depression part includes an evaporator accommodating part configured to accommodate the evaporator, a blowing unit accommodating part formed to be stepped on a upper side of the evaporator accommodating part and configured to accommodate the blowing unit. | 04-11-2013 |
Patent application number | Description | Published |
20100060369 | OSCILLATION CIRCUIT BASED ON METAL-INSULATOR TRANSITION DEVICE AND METHOD OF DRIVING THE OSCILLATION CIRCUIT - Provided are an oscillatory circuit based on a metal-insulator transition (MIT) device that can generate a simple and very high oscillating frequency using the MIT device, and a method of driving the oscillatory circuit. The oscillatory circuit includes the MIT device that comprises an MIT thin film and an electrode thin film connected to the MIT thin film and in which an abrupt MIT is generated due to an MIT generating voltage, a resistor that is serially connected to the MIT device, an electric al power source limiting the maximum amount of an applied current and applying a direct current constant voltage to the MIT device, and a light source irradiating electromagnetic waves on the MIT device, wherein the oscillating properties are generated by irradiating the electromagnetic waves using the light source. | 03-11-2010 |
20100071751 | PHOTO-INDUCED METAL-INSULATOR-TRANSITION MATERIAL COMPLEX FOR SOLAR CELL, SOLAR CELL AND SOLAR CELL MODULE COMPRISING THE SAME - Provided are a photo-induced metal-insulator-transition (MIT) material complex for a solar cell which can be used to manufacture highly efficient solar cells with more carriers than an impurity solar cell, and a solar cell including the MIT material complex, and a solar cell module. The solar cell includes: a substrate; a lower electrode formed on the substrate; a photo-induced MIT material complex formed on the lower electrode, wherein electrons and holes are formed when light is incident on n-type and p-type metal conductors that are bonded to each other, and the electrons and holes in an intrinsic energy level or gap become carriers, and a potential difference is generated; an anti-reflection layer formed on the MIT material complex; and an upper electrode that is formed to pass through the anti-reflection layer and to contact the MIT material complex. The n-type and p-type metal conductors are MIT materials which are insulators (or semiconductors) that have a metallic electronic structure at room temperature and also intrinsic energy levels, and an odd number of electrons or holes are in their outermost electron shell of the metallic electronic structure of the MIT materials. When an intrinsic energy level of the solar cell is broken, a greater number of carriers are induced than the number of carriers induced from an impurity level of a semiconductor. Accordingly, the solar cell has more carriers than carriers induced from an impurity level of a semiconductor solar cell. | 03-25-2010 |
20100122976 | THERMISTOR WITH 3 TERMINALS, THERMISTOR-TRANSISTOR, CIRCUIT FOR CONTROLLING HEAT OF POWER TRANSISTOR USING THE THERMISTOR-TRANSISTOR, AND POWER SYSTEM INCLUDING THE CIRCUIT - Provided are a thermistor with 3 terminals, a thermistor-transistor including the thermistor, a circuit for controlling heat of a power transistor using the thermistor-transistor, and a power system including the circuit. The circuit includes: a thermistor-transistor which comprises a thermistor having a resistance decreasing with an increase in temperature and a control transistor connected to the thermistor; and at least one power transistor which is connected to a driving device to control a supply of power to the driving device, wherein the thermistor-transistor is adhered to one of a surface and a heat-emitting part of the at least one power transistor and is connected to one of a base, a gate, a collector, and a drain of the at least one power transistor to decrease or block a current flowing in the at least one power transistor when the temperature of the at least one power transistor rises, so as to prevent the power transistor from heating up. | 05-20-2010 |
20110304403 | Oscillation circuit based on metal-insulator transition device and method of driving the oscillation circuit - Provided are an oscillatory circuit based on a metal-insulator transition (MIT) device that can generate a simple and very high oscillating frequency using the MIT device, and a method of driving the oscillatory circuit. The oscillatory circuit includes the MIT device that comprises an MIT thin film and an electrode thin film connected to the MIT thin film and in which an abrupt MIT is generated due to an MIT generating voltage, a resistor that is serially connected to the MIT device, an electrical power source limiting the maximum amount of an applied current and applying a direct current constant voltage to the MIT device, and a light source irradiating electromagnetic waves on the MIT device, wherein the oscillating properties are generated by irradiating the electromagnetic waves using the light source. | 12-15-2011 |
20130292753 | VARIABLE GATE FIELD-EFFECT TRANSISTOR AND ELECTRICAL AND ELECTRONIC APPARATUS INCLUDING THE SAME - Provided are a variable field effect transistor (FET) designed to suppress a reduction of current between a source and a drain due to heat while decreasing a temperature of the FET, and an electrical and electronic apparatus including the variable gate FET. The variable gate FET includes a FET and a gate control device that is attached to a surface or a heat-generating portion of the FET and is connected to a gate terminal of the FET so as to vary a voltage of the gate terminal. A channel current between the source and drain is controlled by the gate control device that varies the voltage of the gate terminal when the temperature of the FET increases above a predetermined temperature. | 11-07-2013 |
Patent application number | Description | Published |
20130087786 | METAL-SEMICONDUCTOR CONVERGENCE ELECTRIC CIRCUIT DEVICES AND ELECTRIC CIRCUIT SYSTEMS USING THE SAME - Provided are metal-semiconductor convergence electric circuit devices. The device includes a semiconductor device, a metal resistor exhibiting resistance increased with an increase in temperature thereof, and an interconnection line connecting the semiconductor device with the metal resistor in series and having a resistance lower than that of the metal resistor. The semiconductor device is configured to exhibit resistance decreased with an increase in temperature thereof and compensate the resistance increase of the metal resistor. | 04-11-2013 |
20130278327 | CONSTANT CURRENT CIRCUIT OF HIGH EFFICIENCY - The present inventive concept is a hyuntak transistor that can prevent a thermal runaway phenomenon and a low heat high efficiency constant current circuit using an auxiliary transistor capable of a high amplification and a constant current. The circuit may be applied to drive a LED and a motor. | 10-24-2013 |
20140111343 | COMPOSITE TEMPERATURE AND SMOKE ALARM DEVICE AND EQUIPPED SMOKE SENSOR THEREIN - Disclosed is a multipurpose alarm apparatus which includes a smoke sensing unit configured to sense a smoke using a first sensor and a second sensor, each of the first and second sensors including a temperature-sensitive smoke sensor portion disposed between a first electrode and a second electrode; a smoke level measuring unit configured to generate a smoke level measurement signal by comparing a difference between first and second smoke detection signals from the first and second sensors with a reference signal; and a sensing control unit configured to generate a fire alarm signal when the smoke level measurement signal corresponds to a fire generation condition. | 04-24-2014 |
20140210628 | METAL-INSULATOR TRANSITION (MIT) DEVICE MOLDED BY CLEAR COMPOUND EPOXY AND FIRE DETECTING DEVICE INCLUDING THE MIT DEVICE - The inventive concept provides MIT devices molded by clear compound epoxy and fire detecting devices including the MIT device. The fire detecting device is supplied with a power source from a power control device. The fire detecting device includes a MIT device including a MIT chip molded by a clear compound epoxy, a diode bridge circuit supplied with the power source from the power control device for providing a non-polar power source, a notice circuit supplied with the non-polar power source from the diode bridge circuit for warning of a fire alarm in response to a detecting signal from the MIT device, and a stabilization circuit for maintaining the detecting signal for a certain period. | 07-31-2014 |
20140285933 | METHOD FOR REMOVING ELECTRO-STATIC DISCHARGE (EDS) NOISE SIGNAL IN ELECTRONIC SYSTEM INCLUDING THE METAL-INSULATOR TRANSITION (MIT) 3-TERMINAL DEVICE - The inventive concept shows the embodiment of t-switch which is a MIT 3-terminal device based on a Hole-driven MIT theory and a technology for removing an ESD noise signal which is one of applications of the t-switch. The t-switch includes three terminals of Inlet, Outlet and Control, and a metal-insulator transition (MIT) occurs at an Outlet layer by a current flowing through the Control terminal. In the t-switch, a high resistor is connected to the Control terminal and thereby an ESD noise signal of high voltage flows through the Inlet-Outlet without damaging the device. | 09-25-2014 |
Patent application number | Description | Published |
20130003708 | CONTINUOUS CACHE SERVICE IN CELLULAR NETWORKS - A technique for transmitting an object to a mobile device is provided. In response to the mobile device moving from a first area serviced by a first cache to a second area serviced by a second cache, the first cache transmits the object stored in the first cache to the second cache. The first cache transmits instructions to the second cache that cause the second cache to forward the object to the mobile device in the second area. | 01-03-2013 |
20130337810 | CONTINUOUS CACHE SERVICE IN CELLULAR NETWORKS - A technique for transmitting an object to a mobile device is provided. In response to the mobile device moving from a first area serviced by a first cache to a second area serviced by a second cache, the first cache transmits the object stored in the first cache to the second cache. The first cache transmits instructions to the second cache that cause the second cache to forward the object to the mobile device in the second area. | 12-19-2013 |
20140064058 | BYTE CACHING IN WIRELESS COMMUNICATION NETWORKS - Various embodiments provide byte caching in wireless communication networks. In one embodiment, a plurality of data packets are received through an internet protocol (IP) data flow established between a wireless communication device and at least one server. Each of the plurality of data packets are combined into a packet bundle. A determination is made as to whether a second byte caching system is available. The packet bundle is transformed using one or more byte caching operations based on a second byte caching system being available. The transformed packet bundle is sent to the second byte caching system using an IP communication mechanism. | 03-06-2014 |
20140064141 | MOBILITY DETECTION FOR EDGE APPLICATIONS IN WIRELESS COMMUNICATION NETWORKS - Various embodiments detect wireless communication device mobility in a wireless communication network. In one embodiment, one or more Internet Protocol (IP) data packets associated with a wireless communication device are analyzed. The wireless communication device is coupled with the edge entity. A determination is made, based on the analyzing, that the wireless communication device is a newly coupled device at the edge entity. A central entity disposed within the wireless communication network is notified that the wireless communication device is currently coupled to the edge entity. | 03-06-2014 |
20140064182 | MOBILITY DETECTION FOR EDGE APPLICATIONS IN WIRELESS COMMUNICATION NETWORKS - Various embodiments detecting wireless communication device mobility in a wireless communication network. In one embodiment, one or more Internet Protocol (IP) data packets associated with a wireless communication device are analyzed. The wireless communication device is coupled with the edge entity. A determination is made, based on the analyzing, that the wireless communication device is a newly coupled device at the edge entity. A central entity disposed within the wireless communication network is notified that the wireless communication device is currently coupled to the edge entity. | 03-06-2014 |
20140067987 | BYTE CACHING IN WIRELESS COMMUNICATION NETWORKS - Various embodiments provide byte caching in wireless communication networks. In one embodiment, a plurality of data packets are received through an internet protocol (IP) data flow established between a wireless communication device and at least one server. Each of the plurality of data packets are combined into a packet bundle. A determination is made as to whether a second byte caching system is available. The packet bundle is transformed using one or more byte caching operations based on a second byte caching system being available. The transformed packet bundle is sent to the second byte caching system using an IP communication mechanism. | 03-06-2014 |