Patent application number | Description | Published |
20090135221 | METHOD AND APPARATUS FOR DETECTING MISSING NOZZLE IN THERMAL INKJET PRINTHEAD - Provided is a method of detecting a missing nozzle in a thermal inkjet printhead. The method includes: applying an input energy high enough to eject ink to a heater corresponding to a target nozzle, and applying an input energy not high enough to eject ink to a hear corresponding to a nozzle adjacent to the target nozzle; when a predetermined time passes, detecting a difference between temperatures which are measured at points spaced by a predetermined distance from each of the two heaters; and determining whether the target nozzle is missing. | 05-28-2009 |
20090135228 | INKJET PRINTHEAD AND METHOD OF EJECTING INK USING THE SAME - An inkjet printhead including a passage plate in which a manifold to supply ink and a nozzle to eject ink are formed; a first electrode and a second electrode formed on the passage plate around the nozzle to generate an ion wind by ionizing air between the first and second electrodes by a voltage that is applied between the first and second electrodes, and a third electrode and a fourth electrode to generate an electrostatic force by a voltage applied between the third and fourth electrodes, wherein the third electrode is separated from the passage plate and the fourth electrode is formed on the passage plate. | 05-28-2009 |
20100039477 | THERMAL INKJET PRINTHEAD AND METHOD OF DRIVING SAME - Provided are an inkjet printhead and a method of driving the inkjet printhead. The inkjet printhead includes a heater configured to heat ink to produce ink bubbles, an electrode configured to apply or provide the current to the heater, and a resistor connected to the electrode and separated by a distance from the heater. The resistor having a negative temperature coefficient of resistance (NTC) that can be used to compensate for the effects that temperature has on the ejection speed and mass of ejected ink droplets produced by the inkjet printhead and that result from temperature changes that occur during the operation of the inkjet printhead. | 02-18-2010 |
20100201734 | INKJET PRINTER HAVING ARRAY TYPE HEAD AND METHOD OF DRIVING THE SAME - Provided is an inkjet printer having an array type head and a method of operating the inkjet printer. The inkjet printer can include a cartridge, a reservoir, a comparator and a pump. The cartridge can have an array type head with multiple inkjet printheads and a manifold to supply ink to the inkjet printheads. Each inkjet printhead can have a temperature sensor to measure temperature. The comparator can compare a signal produced by each of the temperature sensors to a signal associated with a reference temperature. The pump can circulate ink between the reservoir and the manifold of the cartridge based on the result of the temperature comparison. | 08-12-2010 |
20110280601 | Apparatus and method to control temperature of heating roller used in fusing device of image forming apparatus - The apparatus includes a heating roller that generates heat for melting toner attached to a printing medium; a first induction coil that is disposed outside the heating roller and heats the heating roller by using induced current generated according to current flowing through the first induction coil; two second induction coils that are disposed at upper portions of both ends of the first induction coil and heat the heating roller by using induced current generated according to current flowing through the two second induction coils; a power supply unit that supplies current to the first induction coil and the two second induction coils; and a control unit that controls the power supply unit to supply current flowing in the same direction or different directions to the first induction coil and the second induction coils according to the size of paper fed into the heating roller. | 11-17-2011 |
20110293338 | Induction heating type fusing device and image forming apparatus employing the same - An induction heating type fusing device and an image forming apparatus including the fusing device. The fusing device includes a magnetic flux generator and a compressing roller outside a fusing belt, first and second fusing rollers and a nip guide inside the fusing belt. The compressing roller compresses against the first and second fusing rollers and the nip guide to form nips, while the fusing belt is disposed between the compressing roller and the first and second fusing rollers and the nip guide. | 12-01-2011 |
20130064587 | IMAGE FUSING APPARATUS USING CARBON NANO-TUBE HEATER - An image fusing apparatus includes a heating belt including a resistance heating layer, an insulating layer formed on an inner surface of the resistance heating layer, and a release layer formed on an outer surface of the resistance heating layer; a heating supporting roller disposed (positioned) inside the heating belt and rotating with the heating belt; a pressing roller disposed (positioned) parallel to the heating supporting roller and in contact with the outer surface of the heating belt to form a nip; and an electricity supplying member to supply electricity to the resistance heating layer of the heating belt. A thickness of paper non-contact areas of opposite side end portions of the resistance heating layer of the heating belt is the same as or thicker than the thickness of a paper contact area of a middle portion of the resistance heating layer thereof. | 03-14-2013 |
20130078019 | FUSING DEVICE AND METHOD USING INDUCTION HEATING AND IMAGE FORMING APPARAUS INCLUDING THE FUSING DEVICE - An induction heating fusing device and method of an image forming apparatus including: a pressure roller; a heating element that forms a fusing nip together with the pressure roller and is rotatable; an inductor that is installed in a rotation axis direction on the outer circumference surface of the heating element, includes a main coil and a plurality of control coils located on the main coil, and inductively heats the heating element; and a controller that selectively drives at least one of the plurality of control coils depending on the width of a printing paper passing though the fusing nip, and controls the main coil and the plurality of control coils so that a current direction of the main coil and a current direction of the plurality of control coils become the same as or opposite to each other depending on the width of the printing paper. | 03-28-2013 |
20140064764 | APPARATUS AND METHOD TO CONTROL TEMPERATURE OF HEATING ROLLER USED IN FUSING DEVICE OF IMAGE FORMING APPARATUS - The apparatus includes a heating roller that generates heat for melting toner attached to a printing medium; a first induction coil that is disposed outside the heating roller and heats the heating roller by using induced current generated according to current flowing through the first induction coil; two second induction coils that are disposed at upper portions of both ends of the first induction coil and heat the heating roller by using induced current generated according to current flowing through the two second induction coils; a power supply unit that supplies current to the first induction coil and the two second induction coils; and a control unit that controls the power supply unit to supply current flowing in the same direction or different directions to the first induction coil and the second induction coils according to the size of paper fed into the heating roller. | 03-06-2014 |
20140064807 | INDUCTION HEATING TYPE FUSING DEVICE AND IMAGE FORMING APPARATUS EMPLOYING THE SAME - An induction heating type fusing device and an image forming apparatus including the fusing device. The fusing device includes a magnetic flux generator and a compressing roller outside a fusing belt, first and second fusing rollers and a nip guide inside the fusing belt. The compressing roller compresses against the first and second fusing rollers and the nip guide to form nips, while the fusing belt is disposed between the compressing roller and the first and second fusing rollers and the nip guide. | 03-06-2014 |
20150094394 | MULTI-COLOR INK FOR 3D PRINTING, 3D PRINTER, AND METHOD OF CONTROLLING THE 3D PRINTER - A multi-color ink for 3D printing, a 3D printer, and a method of controlling the 3D printer are provided. The multi-color ink for 3D printing including a first ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, a first colorant, and an anti-intercolor bleed agent configured to prevent intercolor bleeding occurring when the plurality of ink compositions come into contact with each other, and a second ink composition that includes a photocurable material, a photoinitiator configured to cure the photocurable material, and a second colorant having an acid moiety involved in a reaction with the anti-intercolor bleed agent to cause aggregation. The multi-color ink for 3D printing may enable a clear image by inhibiting intercolor bleeding that occurs when ink compositions with different colors are printed to be adjacent to each other before curing during 3D printing. | 04-02-2015 |
20150183162 | THREE DIMENSIONAL PRINTER AND CONTROL METHOD THEREOF - A three dimensional (3D) printer sprays and solidifies liquid ink to build a 3D object prevents implementation of unintended color due to a mix of different color ink, and increases 3D printing speed by enhancing the process of spraying and solidifying the ink. The control method of the 3D printer for building a 3D object by laminating a plurality of layers includes forming first areas not adjacent to each other in one of the plurality of layers and solidifying the first areas; and forming second areas adjacent to the solidified first areas and solidifying the second areas. | 07-02-2015 |
20150183163 | THREE-DIMENSIONAL PRINTER AND OPERATING METHOD FOR THE SAME - A three-dimensional printer and an operating method are provided. The three-dimensional printer includes at least one print head and a stage in which chemical ink injected from the print head may be layered. The three-dimensional printer includes a print head including a head chip injecting the chemical ink, wherein the head chip may include an ink chamber receiving the chemical ink, a heater generating a bubble in the ink chamber by applying heat to the chemical ink of the ink chamber, and a nozzle injecting the chemical ink according to an internal pressure of the ink chamber increased by the generated bubble. | 07-02-2015 |
20150184903 | MAGNETIC COOLING APPARATUS AND MAGNETIC REFRIGERATING SYSTEM HAVING THE SAME - A magnetic cooling apparatus may include a fixing module and a rotation module rotatably provided at the fixing module. The fixing module includes a plurality of magnetic regenerators and a thermal fluid supply apparatus allowing thermal fluid to exchange with the plurality of magnetic regenerators, and the thermal fluid supplying apparatus is configured to operate by the rotation module without an additional configuration, which enables the magnetic cooling apparatus to have a similar configuration. | 07-02-2015 |
20150267943 | MAGNETIC REGENERATOR UNIT AND MAGNETIC COOLING SYSTEM WITH THE SAME - A terminal may be provided with a magnetic regenerator unit using a magnetocaloric effect of magnetocaloric materials and a magnetic cooling system having the same. By a circular magnetic regenerator structure capable of evenly flowing heat transfer fluid and magnetic field and the flow of the heat transfer fluid being changed in the same way, and a magnetic band having a relative permeability, similar to a relative permeability of the magnetic regenerator, high efficiency of a flux generator may be obtained while reducing torque of a rotator. Power consumption for driving may be reduced due to the reduction of the cogging torque, and the magnetic band may be manufactured at a low cost by using inexpensive iron powder. | 09-24-2015 |
Patent application number | Description | Published |
20100136955 | SYSTEM FOR PROVIDING APPLICATION AND MANAGEMENT SERVICE AND MODIFYING USER INTERFACE AND METHOD THEREOF - Disclosed is a system for downloading an application from a server and providing the same to a client by using a short message or a subscriber interface module (SIM) card. The system modifies a function key for each application according to a client's selection, and randomly modifies a user interface used for selecting an application. The system extends a usage range of the SIM card. The system periodically checks and analyzes the client' use log for a predetermined time, presents at least one application to the client according to the analysis result on the use log, provides a single application selected by the client to the client, and updates at least one application stored in the client mobile terminal according to the analysis result on the use log. Therefore, the system increases service satisfaction for the client. | 06-03-2010 |
20100144336 | SYSTEM FOR PROVIDING APPLICATION AND MANAGEMENT SERVICE AND MODIFYING USER INTERFACE AND METHOD THEREOF - Disclosed is a system for downloading an application from a server and providing the same to a client by using a short message or a subscriber interface module (SIM) card. The system modifies a function key for each application according to a client's selection, and randomly modifies a user interface used for selecting an application. The system extends a usage range of the SIM card. The system periodically checks and analyzes the client' use log for a predetermined time, presents at least one application to the client according to the analysis result on the use log, provides a single application selected by the client to the client, and updates at least one application stored in the client mobile terminal according to the analysis result on the use log. Therefore, the system increases service satisfaction for the client. | 06-10-2010 |
20120190330 | SYSTEM FOR PROVIDING APPLICATION AND MANAGEMENT SERVICE AND MODIFYING USER INTERFACE AND METHOD THEREOF - Disclosed is a system for downloading an application from a server and providing the same to a client by using a short message or a subscriber interface module (SIM) card. The system modifies a function key for each application according to a client's selection, and randomly modifies a user interface used for selecting an application. The system extends a usage range of the SIM card. The system periodically checks and analyzes the client' use log for a predetermined time, presents at least one application to the client according to the analysis result on the use log, provides a single application selected by the client to the client, and updates at least one application stored in the client mobile terminal according to the analysis result on the use log. Therefore, the system increases service satisfaction for the client. | 07-26-2012 |
Patent application number | Description | Published |
20110260657 | VIBRATION CONTROL DEVICE AND METHOD - A vibration control device and method, wherein the vibration control device includes a first driving unit for vibrating the vibration control device up and down, a second driving unit for moving the vibration control device left or right, and a control unit for controlling the first driving unit and the second driving unit, upon an occurrence of an event. The controller controls the second driving unit to move the vibration control device at a time when the first driving unit vibrates the vibration control device off of a surface. | 10-27-2011 |
20120098772 | METHOD AND APPARATUS FOR RECOGNIZING A GESTURE IN A DISPLAY - A method of recognizing a gesture in a touch-based display, the method includes receiving a touch input in the display, recognizing a gesture input associated with the touch input; and performing a function assigned to the recognized gesture input. | 04-26-2012 |
20130019193 | METHOD AND APPARATUS FOR CONTROLLING CONTENT USING GRAPHICAL OBJECTAANM RHEE; Taik HeonAACI SeoulAACO KRAAGP RHEE; Taik Heon Seoul KRAANM Lee; Sang IlAACI Suwon-siAACO KRAAGP Lee; Sang Il Suwon-si KRAANM Eun; Dong JinAACI Bucheon-siAACO KRAAGP Eun; Dong Jin Bucheon-si KRAANM Kuk; Sung BinAACI Suwon-siAACO KRAAGP Kuk; Sung Bin Suwon-si KR - A method and apparatus for controlling content using a graphical object in a mobile terminal are provided, in which the user may create a graphical object on the screen through touch input and easily apply various actions such as copy, delete, move, transfer, attribute change and compress to content items by means of the created graphical object. The content control method includes: detecting a preset touch input; creating a graphical object at a region where the touch input is detected; determining a mode of the created graphical object; linking at least one content item on the screen with the graphical object; and controlling the content item linked therewith depending on the mode of the graphical object. Hence, the user can control a mobile terminal through touch inputs in a more convenient and intuitive manner, increasing user convenience. | 01-17-2013 |
20140045484 | PORTABLE TERMINAL DEVICE AND METHOD FOR OPERATING THE SAME - A portable terminal device and a method for operating the same are provided. The portable terminal device includes a communicator configured to perform communication with an external device, a display configured to display a same image as an image displayed on the external device, an inputter configured to receive an input of a selection command, and a controller configured to perform an operation corresponding to an object included in the image at a time when the selection command is input. | 02-13-2014 |
20140320745 | METHOD AND APPARATUS FOR DISPLAYING AN IMAGE - A method and a display apparatus for generating and outputting an image generated to apply a special effect to a video are provided. The method includes outputting a video to a first area of a screen of the display apparatus, generating an image based on information comprised in the video, and outputting the generated image to a second area, surrounding the first area. | 10-30-2014 |
20160078754 | POINTING DEVICE AND CONTROLLING METHOD THEREOF - A pointing device and a controlling method thereof are provided. The controlling method of the pointing device includes transmitting an identification signal to an external device that is targeted by the pointing device according to a user input, receiving a reflected signal that is generated by reflecting the identification signal from a reflective surface attached to a surface of the external device, and analyzing the reflected signal and identifying the external device. | 03-17-2016 |
20160091990 | USER TERMINAL DEVICE AND METHOD FOR CONTROLLING THE USER TERMINAL DEVICE THEREOF - A user terminal device and a control method are provided. The user terminal device includes a display, a sensor configured to sense a user interaction on the display, and a controller configured to, in response to a user interaction being sensed by the sensor of a touch being made by an input device of a polyhedral shape that includes different touch patterns on each of a plurality of surfaces, control a function of the user terminal device according to a touch pattern on a touched surface among the plurality of surfaces. | 03-31-2016 |
Patent application number | Description | Published |
20120242163 | WIRELESS POWER RECEIVING APPARATUS AND POWER CONTROL METHOD THEREOF RELATED APPLICATIONS - A wireless power receiving device and a power control method thereof. The wireless power receiving apparatus, includes: a secondary core configured to receive a wireless power signal from a primary core of a wireless power transmission apparatus; a magnetic sensor configured to detect a magnetic field generated from the primary core; and a receiving controller configured to transmit an error code to the wireless power transmission apparatus via the secondary core if a measured magnetic field value from the magnetic sensor is lower than a reference magnetic value and the communication with the wireless power transmission apparatus is available. | 09-27-2012 |
20120242276 | METHOD FOR CONTROLLING POWER IN WIRELESS POWER TRANSMISSION ASSEMBLY AND WIRELESS POWER ASSEMBLY THEREOF - A power control method for a wireless power transmission assembly, and the wireless power transmission assembly. The method includes: outputting a direct current voltage to a wireless power transmission apparatus, the direct current voltage generated from an alternating current power source in an adaptor; and changing the level of the direct current voltage in the adaptor based on a voltage change communication signal if the wireless power transmission apparatus transmits the voltage change communication signal to the adaptor. | 09-27-2012 |
20120242285 | METHOD FOR CONTROLLING POWER TRANSMISSION IN WIRELESS POWER TRANSMISSION APPARATUS AND WIRELESS POWER TRANSMISSION APPARATUS THEREOF - A method for controlling a power transmission in a wireless power transmission apparatus, and a power transmission apparatus thereof. The method includes detecting via an object detecting sensor whether a foreign object is placed on a charging position of the wireless power transmission apparatus during a wireless charging; calculating a power loss of the wireless charging by a controller of the wireless power transmission apparatus if the foreign object is detected by the object detecting sensor; and stopping the wireless charging if the power loss is over a reference value. | 09-27-2012 |
20120313578 | NON-CONTACT AND CONTACT POWER CHARGING DEVICE AND CONTROLLING METHOD THEREOF - A non-contact-contact power charge device, and a controlling method thereof, includes: a charge contact terminal including a charge output voltage pin, a ground pin, and a non-contact charge connection pin, the charge contact terminal being able to connect to a contact power receiver and a non-contact power transmitter; and a voltage controller configured to apply a non-contact voltage to the charge output voltage pin if the charge contact terminal is connected while the non-contact power transmitter is contacted to the non-contact charge connection pin. | 12-13-2012 |
20130015718 | WIRELESS POWER TRANSMITTING DEVICE FOR WIRELESS POWER COMMUNICATION SYSTEMAANM JUNG; Chun-KilAACI SeoulAACO KRAAGP JUNG; Chun-Kil Seoul KRAANM KUK; Yoon-SangAACI Gwacheon-siAACO KRAAGP KUK; Yoon-Sang Gwacheon-si KR - A wireless power transmitting device for a wireless power communication system. The wireless power transmitting device includes: a circuit board including an insulating layer and a ground formed on the insulating layer; a core of a magnetic substance disposed on the circuit board to have a concave portion; a wire-wound coil accommodated in the concave portion to have one end for receiving a power through the circuit board and the other end connected to the ground; and a metal layer disposed between the core and the insulating layer to be connected to the ground. | 01-17-2013 |
20130015719 | CORE ASSEMBLY FOR WIRELESS POWER TRANSMITTING DEVICE AND WIRELESS POWER TRANSMITTING DEVICE HAVING THE SAMEAANM Jung; Chun-KilAACI SeoulAACO KRAAGP Jung; Chun-Kil Seoul KRAANM Kuk; Yoon-SangAACI Gwacheon-siAACO KRAAGP Kuk; Yoon-Sang Gwacheon-si KR - A core assembly used for a wireless power transmitting device and a wireless power transmitting device having the same. The core assembly for the wireless power transmitting device includes: a main coil disposed at a first level; an auxiliary coil disposed at a lower side of the main coil such that the auxiliary coil is located at a second level lower than the first level, and including a first sub coil and a second sub coil, which respectively have a portion overlapped with the main coil and respectively have a size smaller than the main coil; and a core of a magnetic substance configured to accommodate the main coil and the auxiliary coil. | 01-17-2013 |
20130069586 | WIRELESS POWER TRANSMITTING APPARATUS AND METHOD THEREOF - Disclosed herein are a wireless power transmitting apparatus and method of wirelessly transmitting a power to a power receiving apparatus by selectively using one central coil and two side coils, wherein in the case in which each of the one central coil and the two side coils transmits the power, a reception power amount received by the power receiving apparatus is judged, at least one of the one central coil and the two side coils is selected as a power transmitting coil that is to transmit the power by the judged reception power amount, and the power is wirelessly transmitted to the power receiving apparatus through the selected power transmitting coil. | 03-21-2013 |
Patent application number | Description | Published |
20110140538 | Non-Contact Power Transmission Apparatus - A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus. The power transmission apparatus improves both the reliability of operation of the non-contact charging system, and the competitiveness of related products, such as portable terminals, battery packs and the like. | 06-16-2011 |
20110260549 | NON-CONTACT POWER TRANSMISSION APPARATUS - A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus. The power transmission apparatus improves both the reliability of operation of the non-contact charging system, and the competitiveness of related products, such as portable terminals, battery packs and the like. | 10-27-2011 |
20110260550 | NON-CONTACT POWER TRANSMISSION APPARATUS - A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus. The power transmission apparatus improves both the reliability of operation of the non-contact charging system, and the competitiveness of related products, such as portable terminals, battery packs and the like. | 10-27-2011 |
20110316475 | Non-Contact Power Reception Apparatus and Jig for Fabricating Core for Non-Contact Power Reception Apparatus - A non-contact power reception apparatus is provided, in which a power reception coil for a charging system and a loop antenna for an electronic settlement system are mounted on a battery pack and a cover case of a portable terminal such that the power reception coil is arranged in the center thereof and the loop antenna is disposed outside the power reception coil, so that a mode of receiving a wireless power signal and a mode of transmitting and receiving data are selectively performed, thereby preventing interference from harmonic components and enabling non-contact charging and electronic settlement using a single portable terminal. A jig for fabricating a core to be mounted to the non-contact power reception apparatus is provided. | 12-29-2011 |
20130069587 | COIL RESONANT COUPLER FOR SHORT DISTANCE WIRELESS POWER COMMUNICATION AND SHORT DISTANCE WIRELESS POWER TRANSMITTING APPARATUS INCLUDING THE SAME - Disclosed herein are a coil resonant coupler for short distance wireless power communication and a short distance wireless power transmitting apparatus comprising the same. The coil resonant coupler for short distance wireless power communication comprises a first coil installed perpendicularly to a first axis; a second coil installed perpendicularly to a second axis perpendicular to the first axis; and a third coil installed perpendicularly to a third axis perpendicular to each of the first and second axes. The short distance wireless power transmitting apparatus comprises a primary side core comprising the above-described coil resonant coupler, a position sensing unit which senses a position of the wireless power receiving apparatus to generate position information, and a transmission controlling unit which controls the primary side core based on the position information. | 03-21-2013 |
20130106198 | CORE ASSEMBLY FOR WIRELESS POWER COMMUNICATION, POWER SUPPLYING DEVICE FOR WIRELESS POWER COMMUNICATION HAVING THE SAME, AND METHOD FOR MANUFACTURING THE SAME | 05-02-2013 |
20130169060 | CONTACTLESS POWER TRANSMISSION DEVICE - A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus. The power transmission apparatus improves both the reliability of operation of the non-contact charging system, and the competitiveness of related products, such as portable terminals, battery packs and the like. | 07-04-2013 |
20130300352 | POWER RECEIVING DEVICE FOR WIRELESS CHARGING AND PORTABLE ELECTRONIC DEVICE HAVING THE SAME - Disclosed herein are a power receiving device for wireless charging and a portable electronic device having the same. The power receiving device for wireless charging includes a body having a receiving space formed therein; and a charging kit detachably received in the receiving space, and including a coil formed to receive power by magnetic coupling with a power supplying device and a charging circuit configured to charge a battery by electromotive force induced in the coil. | 11-14-2013 |
20140021797 | NON-CONTACT POWER TRANSMISSION APPARATUS - A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus. The power transmission apparatus improves both the reliability of operation of the non-contact charging system, and the competitiveness of related products, such as portable terminals, battery packs and the like. | 01-23-2014 |
20140084861 | NON-CONTACT POWER RECEPTION APPARATUS AND JIG FOR FABRICATING CORE FOR NON-CONTACT POWER RECEPTION APPARATUS - A non-contact power reception apparatus is provided, in which a power reception coil for a charging system and a loop antenna for an electronic settlement system are mounted on a battery pack and a cover case of a portable terminal such that the power reception coil is arranged in the center thereof and the loop antenna is disposed outside the power reception coil, so that a mode of receiving a wireless power signal and a mode of transmitting and receiving data are selectively performed, thereby preventing interference from harmonic components and enabling non-contact charging and electronic settlement using a single portable terminal. A jig for fabricating a core to be mounted to the non-contact power reception apparatus is provided. | 03-27-2014 |
20140139033 | NON-CONTACT POWER TRANSMISSION APPARATUS - A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus. The power transmission apparatus improves both the reliability of operation of the non-contact charging system, and the competitiveness of related products, such as portable terminals, battery packs and the like. | 05-22-2014 |
20150318715 | NON-CONTACT POWER TRANSMISSION APPARATUS - A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus. The power transmission apparatus improves both the reliability of operation of the non-contact charging system, and the competitiveness of related products, such as portable terminals, battery packs and the like. | 11-05-2015 |