Patent application number | Description | Published |
20090108966 | LINE STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A line structure is provided which includes a ferroelectric film which is formed on at least one surface of both sides of a substrate and a permittivity of which changes according to a magnitude of an applied voltage, an inductor which is formed on a first side of the substrate, and a capacitor which has a capacitance corresponding to the permittivity of the ferroelectric film and the substrate. | 04-30-2009 |
20100123530 | Apparatus for wireless power transmission using high Q low frequency near magnetic field resonator - An apparatus for wireless power transmission is disclosed. According to an exemplary aspect, the wireless power transmission apparatus includes a high Q low frequency near magnetic field resonator having characteristics of a metamaterial. Accordingly, manufacturing of a compact power supply capable of wirelessly supplying power to mobile communication terminals or multimedia terminals is possible. By using a zeroth-order resonator with a DNG or ENG structure, a small-sized power supply with a simple configuration may be manufactured. | 05-20-2010 |
20100156570 | Resonator for wireless power transmission - Disclosed is a resonator for wireless power transmission used in a mobile device. The resonator includes a substrate, at least one microstrip line, and a magnetic core. The microstrip line is formed on the substrate and is provided at one side thereof with a slit to have an open-loop shape. The magnetic core is formed on the substrate and is disposed on a space defined by the microstrip line to increase coupling strength. | 06-24-2010 |
20110089769 | WIRELESS POWER TRANSMISSION DEVICE, WIRELESS POWER TRANSMISSION CONTROL DEVICE, AND WIRELESS POWER TRANSMISSION METHOD - A wireless power transmission device, a wireless power transmission control device, and a wireless power transmission method are provided. A coupling frequency between a source resonator and a target resonator is determined A transmission frequency is controlled such that power is transmitted from the source resonator to the target resonator at the coupling frequency. Therefore, it is possible to maintain a high power transmission efficiency without using an additional matching circuit even when a distance between the source resonator and the target resonator is changed. | 04-21-2011 |
20110127848 | Wireless Power Transceiver and Wireless Power System - A wireless power transceiver that is disposed between a source resonator and a target resonator and that may increase wireless power transmission efficiency is provided. The wireless power transceiver may include a power receiver that includes a receiving resonator that receives an inbound power from a source resonator, a power transmitter that includes a transmitting resonator that transmits an outbound power to a target resonator, and a coupling controller to control a coupling frequency between the target resonator and the transmitting resonator. | 06-02-2011 |
20110140541 | BATTERY PACK WITH WIRELESS POWER TRANSMISSION RESONATOR - A battery pack employing a resonator for wireless power transmission is provided. The battery pack may include a thin film type resonator for a wireless power transmission. The battery pack may also include a battery to charge a power source using power generated by the thin film type resonator. | 06-16-2011 |
20110140542 | RESONANCE POWER GENERATOR AND METHOD, AND RESONANCE POWER RECEIVER AND METHOD - Provided is a resonance power generator and a resonance power receiver, and methods thereof. The resonance power generator may include a frequency generator to receive a direct current (DC) voltage, and to generate a power carrier signal, a high voltage matching transformer to be adjusted to enable an output voltage to be greater than an input voltage, a high current matching transformer to be adjusted to enable an output current to be greater than an input current, a switching unit to switch between the high voltage matching transformer and the high current matching transformer, a control unit to control the switching unit in accordance with an input signal, and a power resonator to transmit a power to a target resonator. | 06-16-2011 |
20110140543 | WIRELESS POWER TRANSMISSION APPARATUS - Provided is a wireless power transmission apparatus, including a source unit including a power resonator to transmit a wireless power to a target apparatus, and a near field controller to control a direction of a magnetic field of the power resonator. | 06-16-2011 |
20110140807 | HIGH EFFICIENCY RESONATOR FOR WIRELESS POWER TRANSMISSION - Provided is a resonator for a wireless power transmission, the resonator including a transmission line unit including a plurality of transmission line sheets arranged in parallel, and a capacitor provided at a predetermined position of the transmission line unit. | 06-16-2011 |
20110140809 | THIN FILM RESONATOR FOR WIRELESS POWER TRANSMISSION - A thin film resonator for a wireless power transmission is provided. The thin film resonator may include a first transmission line unit provided as a thin film type, a second transmission line unit also provided as the thin film type, and a capacitor inserted at a predetermined position of the first transmission line unit. | 06-16-2011 |
20110141772 | Resonance Power Generator - A resonance power generator is provided. The resonance power generator includes an alternating current/direct current (AC/DC) rectifier to rectify an input signal of an alternating voltage and an AC generator to generate an AC signal based on the rectified signal that is output from the AC/DC rectifier. The resonance power generator may also include, for example, a control unit to control a frequency of the AC signal, a filter unit to remove a spurious signal or a harmonic element included in the AC signal, a voltage/current amplifier to amplify the AC signal, and a source resonator to transmit a power to a target resonator. | 06-16-2011 |
20110156489 | RESONANCE POWER RECEIVER THAT INCLUDES A PLURALITY OF RESONATORS - Provided is a resonance power receiver, including a first resonator, a second resonator to receive a resonance power and a phase shifter to shift the phase of the signal received via the second resonator such that the signal received via the first resonator and the signal received via the second resonator are in phase. | 06-30-2011 |
20110156490 | WIRELESS POWER TRANSMISSION DEVICE AND METHOD - A wireless power transmission device and method are provided. An amount of power transmitted wirelessly by the wireless power transmission device may be controlled based on information to be transmitted by the wireless power transmission device, such that the information may be transmitted without using any additional device for information transmission. Additionally, an internal impedance of a terminal may be controlled based on information to be transmitted by the terminal, and a reflected wave of a transmission signal transmitted by the wireless power transmission device may be then controlled, such that the information may be transmitted without using any additional device for information transmission. Therefore, no further device may be desired, and thus a power consumption amount may be reduced, and there may be no need to match a communication part for information exchange with a transmission part for wireless power transmission. | 06-30-2011 |
20110156491 | RESONANCE POWER GENERATOR - A resonate power generator is provided. The resonate power generator may include a waveform and sequence memory to record a predetermined waveform and a predetermined sequence, a delta-sigma modulator to delta-sigma modulate an output signal of the waveform and sequence memory, and a waveform recovery unit to receive, as an input, an output radio frequency (RF) signal of the delta-sigma modulator, and to convert the input into a waveform in a form of an impulse. | 06-30-2011 |
20110156492 | WIRELESS POWER TRANSMISSION APPARATUS USING NEAR FIELD FOCUSING - A wireless power transmission apparatus using near field focusing is provided. The wireless power transmission apparatus may include a source unit including a source resonator that transmits power wirelessly to a target apparatus, and a near field focusing unit to focus a near field of a magnetic field radiated in an omni-direction from the source resonator onto the target apparatus. | 06-30-2011 |
20110156635 | REFLECTED ENERGY MANAGEMENT APPARATUS AND METHOD FOR RESONANCE POWER TRANSMISSION - Provided is a reflected energy management apparatus for resonance power transmission. The reflected energy management apparatus for resonance power transmission may include a source resonator configured to transmit a power to a target resonator, and a reflected power management unit configured to: detect a reflected wave corresponding to the power transmitted to the target resonator, and to generate a power using the detected reflected wave. | 06-30-2011 |
20110156639 | Wireless Power Transmission Apparatus - A wireless power transmission apparatus is provided. The wireless power transmission device includes a source unit comprising a source resonator to transmit power wirelessly to at least one target device, and an energy charging module to store energy generated by the source unit under a control of the source unit. | 06-30-2011 |
20110177787 | WIRELESS POWER TRANSMISSION METHOD - A wireless power transmission method is provided. The method includes exchanging information for wireless power transmission between a wireless power transmission device and a terminal, in order to determine a communication protocol. | 07-21-2011 |
20110241438 | WIRELESS POWER TRANSMISSION APPARATUS AND WIRELESS POWER TRANSMISSION METHOD - Provided is a wireless power transmission apparatus and method. The wireless power transmission apparatus may include a coupling unit to couple a reflected signal with respect to a transmitted resonance power, and a resonance point detecting unit to scan a frequency of the reflected signal to detect a resonance point. A resonance frequency of the source resonator may be controlled using the detected resonance point. | 10-06-2011 |
20110241612 | Wireless Charging Set - Provided is a wireless recharging set. A source unit including a source resonator may transmit power wirelessly in all directions, and a device may receive the transmitted wireless power regardless of location. | 10-06-2011 |
20110241613 | WIRELESS POWER RECEIVING APPARATUS INCLUDING A SHIELDING FILM - Provided is a battery pack that includes a resonator to receive power wirelessly. A film, for shielding from a magnetic field that may be generated due to an eddy current, may be inserted between a battery and the resonator of the battery pack. | 10-06-2011 |
20110241616 | ROBOT CLEANING SYSTEM AND CONTROL METHOD HAVING A WIRELESS ELECTRIC POWER CHARGE FUNCTION - Provided is a wirelessly charged robot cleaning system and a method for wirelessly charging a robot cleaner. The wirelessly charged robot may include a target resonator to receive a resonance power through energy-coupling with a source resonator of a wireless power transmitter, a wireless power receiving unit to convert the received resonance power into a rated voltage, and a battery controller to check the remaining capacity of the battery based and to charge the battery. | 10-06-2011 |
20110244913 | METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION - Provided are a wireless power transmission control method and wireless power transmission control apparatuses. The wireless power transmission control method may include transmitting a wake-up request signal used to wake up a target device, and receiving a response message from the target device activated by the wake-up request signal. A source device may set a demand power based on the response message, and may transmit a resonance power to the target device based on the demand power. | 10-06-2011 |
20110248570 | RESONANCE POWER RECEIVING APPARATUS AND METHOD WITH WIRELESS POWER TRANSFORM FUNCTION, AND RESONANCE DEVICE - Provided is a wireless power transmission system including a wireless power transmission function. The wireless power transmission system may be included in a set-up box and may include a source unit that transmits a resonance power to a resonance power receiving apparatus. A target resonance unit that receives the resonance power may be included in the resonance power receiving apparatus. | 10-13-2011 |
20110248571 | RESONANCE POWER GENERATION APPARATUS - Provided are a resonance power generation apparatus and method for wireless power transmission. The resonance power generation apparatus may include a voltage controller to receive an input of an alternating current (AC) signal of a first frequency band and to output a direct current (DC) voltage having a constant level, a power converter to separate the DC voltage into a voltage waveform and a current waveform by a switching pulse signal of a second frequency band, and a resonance power generator to generate an AC resonance power from the voltage waveform and the current waveform. | 10-13-2011 |
20110248575 | TELEVISION SYSTEM WITH WIRELESS POWER TRANSMISSION FUNCTION, TELEVISION SET, AND SET-TOP BOX - A television (TV) system with a wireless power transmission function is provided. The TV system includes a TV set, a set-top box (STB) and a shielding unit. The STB includes a source resonating unit and the TV set includes a target resonating unit to receive a resonance power from the source resonating unit. The shielding unit may be configured to focus a magnetic field to the target resonating unit, where the magnetic is field radiated by the source resonating unit. | 10-13-2011 |
20110266880 | APPARATUS AND METHOD OF MATCHING IN A SOURCE-TARGET STRUCTURE - Provided is a source-target structure matching controlling apparatus and method that may perform matching control of a source-target structure while resonance power is transmitted and received through the source-target structure. The source-target structure matching controlling apparatus may include a target resonator to receive, from a resonance power transmitter, the resonance power through a magnetic-coupling, and a rectifier to rectify the resonance power to generate a DC voltage, and provide the DC voltage to a load. The source-target structure matching controlling apparatus may detect an impedance of the load and a variance in the impedance, and may transmit, to the resonance power transmitter, information associated with the variance in the impedance of the load. | 11-03-2011 |
20110266881 | METHOD AND APPARATUS FOR CONTROLLING RESONANCE BANDWIDTH IN A WIRELESS POWER TRANSMISSION SYSTEM - Provided are a method and apparatus for controlling a resonance bandwidth in a wireless power transmission system. The apparatus may include a source resonator to transfer an electromagnetic energy to a target resonator, and a source resonance bandwidth setting unit to set a resonance bandwidth of the source resonator. | 11-03-2011 |
20120056487 | POWER CONVERTER IN RESONANCE POWER TRANSMISSION SYSTEM, AND RESONANCE POWER TRANSMISSION APPARATUS - A power converter which may be used in a resonance power transmission system and an apparatus for transmitting a resonance power are provided. According to an aspect, a power converter in a resonance power transmission system may include: an input end configured to receive a direct current (DC) voltage of a predetermined level; a first power converter configured to convert the DC voltage of a predetermined level to an alternating current (AC) signal using a first switching pulse signal having substantially the same frequency as a resonant frequency; a second power converter configured to convert the DC voltage of a predetermined level to an AC signal using a second switching pulse signal having an opposite phase to the first switching pulse signal; a first short circuit configured to reduce or eliminate an odd harmonic of the AC signal outputted from the first power converter, and to provide the AC signal where the odd harmonic is reduced or eliminated to a source resonator; and a second short circuit configured to reduce or eliminate an odd harmonic of the AC signal outputted from the second power converter, and to provide the AC signal where the odd harmonic is reduced or eliminated to the source resonator. | 03-08-2012 |
20120056579 | ROOF TYPE CHARGING APPARATUS USING RESONANT POWER TRANSMISSION - Provided is a roof-type charging apparatus that charges multi-target device, while transmitting a resonance power. A roof-type charging apparatus using resonance power transmission includes a source resonance unit configured to transmit resonance power including a source resonator having a generally planar loop configuration and defining a space therein; a receiving unit configured to receive the resonance power transmitted from the source resonator; and a connecting unit configured to separate the source resonator and the receiving unit by a predetermined distance. | 03-08-2012 |
20120153903 | PROTECTOR OF RECTIFIER AND WIRELESS POWER RECEIVER INCLUDING PROTECTOR - A protector that protects a rectifier, and a wireless power receiver including the protector are provided. In one embodiment, a protector for an electronic device may include: a switch configured to control current flow to a rectifier of the electronic device; and a switch controller configured to: compare, with a predetermined threshold value, a voltage difference between an output voltage of the rectifier and a voltage of the electronic device; and transmit a control signal to the switch (i) to discontinue current flow to the rectifier when the voltage difference is greater than the predetermined threshold value, and (ii) to enable current flow to rectifier when the voltage difference is less than or equal to the predetermined threshold value. | 06-21-2012 |
20120155133 | DIRECT CURRENT/ DIRECT CURRENT CONVERTER FOR REDUCING SWITCHING LOSS, WIRELESS POWER RECEIVER INCLUDING DIRECT CURRENT/ DIRECT CURRENT CONVERTER - Provided are a direct current/direct current (DC/DC) converter and a wireless power receiver including the DC/DC converter. In one embodiment, a direct current-direct current (DC/DC) converter for use in a wireless power receiver, the DC/DC converter may include: a voltage converting unit configured to convert, DC voltage, to a predetermined DC voltage; a turn-on switch configured to control current flow of the DC voltage through the voltage converting unit; and a switching controller configured to: detect an amount of current of the voltage converting unit based on a first turn-on period of the turn-on switch, set a second turn-on period of the turn-on switch based on the detected amount of current, and control the turn-on switch based on the second turn-on period. | 06-21-2012 |
20120155134 | HIGH EFFICIENCY RECTIFIER, WIRELESS POWER RECEIVER INCLUDING THE RECTIFIER - A high efficiency rectifier and a wireless power receiver including the rectifier are provided. In one embodiment, a rectifier may be formed of a full bridge diode circuit and may include: a first dual diode, a second dual diode, a third dual diode and a fourth dual diode forming the full bridge diode circuit, the full bridge diode circuit including: a first path configured to output voltage when the phase of an input voltage is positive, via the first dual diode and the fourth dual diode; and a second path configured to output voltage when the phase of the input voltage is negative, via the second dual diode and the third dual diode. In another embodiment, a rectifier may include: at least two full bridge diode circuits connected in parallel. | 06-21-2012 |
20120193996 | APPARATUS AND METHOD FOR WIRELESS POWER TRANSMISSION - A source resonator for wirelessly transmitting power to a target device may include a magnetic field distribution adjusting unit that is configured to adjust the magnetic field generated by the source resonator. In one or more embodiments, the magnetic field distribution adjusting unit may adjust the magnetic field to be substantially uniform in a predetermined vicinity of the source resonator. For example, the magnetic field distribution adjusting unit may adjust the intensity of the magnetic field near the center of the source resonator to be substantially the same as the intensity of the magnetic field near an edge area of the source resonator. | 08-02-2012 |
20120202435 | METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION AND RECEPTION, AND WIRELESS POWER TRANSMISSION SYSTEM - Provided are a transmission system and a wireless power transmission and reception controlling method. According to an embodiment, a wireless power receiver may include: a target communication unit configured to receive, from a wireless power transmitter, a wake-up request signal and synchronization information with respect to wireless power transmission, and to transmit a response signal with respect to the wake-up request signal to the wireless power transmitter; a load path switch configured to activate based on timing information included in the synchronization information; and a target resonator configured to receive wireless power from a source resonator of the wireless power transmitter, when the load path switch is activated. | 08-09-2012 |
20120235507 | APPARATUS AND METHOD FOR HIGH EFFICIENCY VARIABLE POWER TRANSMISSION - A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA. | 09-20-2012 |
20120286581 | APPARATUS AND METHOD FOR WIRELESS POWER TRANSMISSION - An apparatus and method for controlling a magnetic field when power is wirelessly transmitted are provided. According to one general aspect, a wireless power transmitter may include: a source resonator configured to wirelessly transmit power to a target device including at least one sub-resonator located there within; and a magnetic field distribution controller configured to control the distribution of the magnetic field within the resonator based the resonance frequency of the at least one sub-resonator and the resonance frequency of the source resonator. | 11-15-2012 |
20120294054 | METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION USING POWER RECEIVER - A rectifier is provided. The rectifier includes a first rectification unit having an anode connecting to a negative radio frequency (RF) port and a cathode connecting to a positive direct current (DC) port, a second rectification unit having an anode connecting to a positive RF port and a cathode connecting to the positive DC port, a third rectification unit having an anode connecting to a ground and a cathode connecting to the negative RF port, and a fourth rectification unit having an anode connecting to the ground and a cathode connecting to the positive RF port. The first rectification unit includes a plurality of first diodes that are connected in parallel, and the second rectification unit includes a plurality of second diodes that are connected in parallel. | 11-22-2012 |
20120306283 | APPARATUS AND METHOD OF DIVIDING WIRELESS POWER IN WIRELESS RESONANT POWER TRANSMISSION SYSTEM - Provided are methods and apparatuses for distributing wireless power in a wireless power transmission system. According to a general aspect, a source device that distributes a wireless power in a wireless power transmission system may include: a matching circuit searching unit configured to determine information associated with a matching circuit of a source device based on one or more target devices and the amount of power to be distributed to the one or more of the target devices; and a matching circuit modifying unit configured to modify the shape of the matching circuit of the source device to correspond to the determined information associated with the matching circuit of the source device. | 12-06-2012 |
20130127256 | WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD OF CONTROLLING POWER IN WIRELESS POWER TRANSMISSION SYSTEM BASED ON DETECTION PARAMETER - A wireless power transmission system, and a method of controlling power in the wireless power transmission system based on a detection parameter are provided. The method includes transmitting a request signal to a device. The method further includes receiving, from the device, a response signal corresponding to the request signal, the response signal including a parameter of the device. The method further includes generating an operation power based on the parameter of the device, the operation power being used for an operation of the device. | 05-23-2013 |
20130134793 | WIRELESS POWER TRANSMISSION SYSTEM AND MULTI-MODE RESONATOR IN WIRELESS POWER TRANSMISSION SYSTEM - A wireless power transmission system and a multi-mode resonator in the wireless power transmission system are provided. The multi-mode resonator includes a transmission line portion including unit-cells, the unit-cells including respective ends connected to each other, and each of the unit-cells including a capacitor, an inductor connected in parallel to the capacitor, and a via. The multi-mode resonator further includes a ground conducting portion configured to provide an electrical ground to the transmission line portion through the via of each of the unit-cells. | 05-30-2013 |
20130249306 | WIRELESS POWER TRANSMISSION SYSTEM AND METHOD FOR INCREASING COUPLING EFFICIENCY BY ADJUSTING RESONANT FREQUENCY - A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency. | 09-26-2013 |
20130296280 | EUTECTIC MIXTURE COMPRISING CELECOXIB AND POLOXAMER - The present invention relates to a eutectic mixture wherein poloxamer is added to the poorly soluble drug celecoxib to significantly increase the solubility and bioavailability of celecoxib. | 11-07-2013 |
20140296436 | CYCLOOLEFIN POLYMER COMPOUND AND METHOD OF PREPARING THE SAME - This invention relates to a cycloolefin copolymer, which is prepared via ring-opening metathesis polymerization using, as monomers, dicyclopentadiene obtained by chemically bonding two cyclopentadiene molecules using a Diels-Alder reaction and tricyclopentadiene obtained by chemically bonding three cyclopentadiene molecules using a Diels-Alder reaction, in which the cyclopentadiene is a C5-fraction of naphtha cracking, and to a method of preparing the same. This copolymer is a non-crystalline transparent resin and is useful for a variety of end uses. | 10-02-2014 |
20150180442 | APPARATUS FOR RADIATIVE WIRELESS POWER TRANSMISSION AND WIRELESS POWER RECEPTION - Provided is an apparatus that may control a direction of wireless power transmission. A radiative wireless power transmitter may include at least two first unit resonators to form a magnetic field with a target resonator based on an x-axis direction and a z-axis direction, and to transmit a resonance power to the target resonator, at least two second unit resonators to form a magnetic field with the target resonator based on the x-axis direction and a y-axis direction, and to transmit a resonance power to the target resonator, at least two third unit resonators to form a magnetic field with the target resonator based on the y-axis direction and the z-axis direction, and to transmit a resonance power to the target resonator, and a feeding unit to control resonance power transmission of the at least two first unit resonators, the at least two second unit resonators, and the at least two | 06-25-2015 |
20150237633 | METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSTION - Provided are a wireless power transmission control method and wireless power transmission control apparatuses. The wireless power transmission control method may include transmitting a wake-up request signal used to wake up a target device, and receiving a response message from the target device activated by the wake-up request signal. A source device may set a demand power based on the response message, and may transmit a resonance power to the target device based on the demand power. | 08-20-2015 |
20160134130 | APPARATUS AND METHOD FOR HIGH EFFICIENCY VARIABLE POWER TRANSMISSION - A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA. | 05-12-2016 |
Patent application number | Description | Published |
20100258852 | NON-VOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A method for fabricating a non-volatile memory device includes alternately stacking a plurality of interlayer dielectric layers and a plurality of conductive layers over a substrate, etching the interlayer dielectric layers and the conductive layers to form a trench which exposes a surface of the substrate forming a first material layer over a resulting structure in which the trench is formed, forming a second material layer over the first material layer, removing portions of the second material layer and the first material layer formed on a bottom of the trench to expose the surface of the substrate, removing the second material layer, and burying a channel layer within the trench in which the second material layer is removed. | 10-14-2010 |
20100314678 | NON-VOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A method for fabricating a non-volatile memory device, the method includes alternately stacking inter-layer dielectric layers and sacrificial layers over a substrate, etching the inter-layer dielectric layers and the sacrificial layers to form trenches to expose a surface of the substrate, etching the inter-layer dielectric layers exposed by the trenches to a predetermined thickness, forming junction layers over etched portions of the inter-layer dielectric layers, and burying a layer for a channel within the trenches in which the junction layers have been formed to form a channel. | 12-16-2010 |
20100327323 | THREE-DIMENSIONAL NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A three-dimensional nonvolatile memory device includes: a plurality of channel structures extending in parallel in a first direction and comprising a plurality of channel layers that are alternatively stacked with a plurality of interlayer insulating layers over a substrate; a plurality of memory cells stacked along sidewalls of the channel structures and arranged in the first direction and a second direction crossing the first direction; and a plurality of word lines extending in parallel in the second direction and connected to the memory cells arranged in the second direction. | 12-30-2010 |
20110090737 | 3D NON-VOLATILE MEMORY DEVICE AND METHOD FOR OPERATING AND FABRICATING THE SAME - A 3D non-volatile memory device includes a plate-type lower select line formed over a substrate, a lower select transistor formed in the lower select line, a plurality of memory cells stacked over the lower select transistor, an upper select transistor formed over the memory cells, and a line-type common source line formed over the substrate and spaced from the lower select line. | 04-21-2011 |
20110169072 | 3D NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A 3D nonvolatile memory device includes a plurality of channel structures each comprising a plurality of channel layers and interlayer dielectric layers which are alternately stacked, a plurality of channel contacts coupled to the plurality of channel layers, respectively, and a plurality of selection lines vertically-coupled to the plurality of channel contacts and crossing over the plurality of channel structures. | 07-14-2011 |
20110199813 | NON-VOLATILE MEMORY DEVICE HAVING 3D STRUCTURE AND METHOD FOR FABRICATING THE SAME - A non-volatile memory device having a three-dimensional (3D) structure includes a plurality of line-type horizontal electrode structures configured to include a plurality of interlayer dielectric layers and a plurality of horizontal electrodes that are alternately stacked over a substrate, a plurality of pillar-type vertical electrodes configured to protrude from the substrate while contacting sidewalls of the plurality of the horizontal electrode structures, and a memory layer interposed between the plurality of the horizontal electrode structures and the plurality of the vertical electrodes, and configured to have a resistance value that varies based on a bias applied to the plurality of the horizontal electrodes and the plurality of the vertical electrodes. | 08-18-2011 |
20120168849 | NON-VOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A non-volatile memory device includes a substrate including a resistor layer having a resistance lower than that of a source line, channel structures including a plurality of inter-layer dielectric layers that are alternately staked with a plurality of channel layers over the substrate, and the source line configured to contact sidewalls of the channel layers, where a lower end of the source line contacts the resistor layer. | 07-05-2012 |
20120211822 | NON-VOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A method for fabricating a non-volatile memory device includes alternately stacking a plurality of interlayer dielectric layers and a plurality of conductive layers over a substrate, etching the interlayer dielectric layers and the conductive layers to form a trench which exposes a surface of the substrate forming a first material layer over a resulting structure in which the trench is formed, forming a second material layer over the first material layer, removing portions of the second material layer and the first material layer formed on a bottom of the trench to expose the surface of the substrate, removing the second material layer, and burying a channel layer within the trench in which the second material layer is removed. | 08-23-2012 |
20120299076 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A nonvolatile memory device includes a channel vertically extending from a substrate and comprising a first region that is doped with first impurities and a second region that is disposed under the first region, a plurality of memory cells and a selection transistor stacked over the substrate along the channel, and a diffusion barrier interposed between the first region and the second region, wherein a density of the first impurities is higher than a density of impurities of the second region. | 11-29-2012 |
20120300547 | 3-DIMENSIONAL NON-VOLATILE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - A non-volatile memory device comprising a plurality of strings each including a drain select transistor, drain-side memory cells, a pipe transistor, source-side memory cells, and a source select transistor coupled in series, wherein the plurality of strings are arranged in a first direction and a second direction, and the strings arranged in the second direction form each of string columns; a plurality of bit lines extended in the second direction and coupled to the drain select transistors of the strings included in each string column; and a plurality of source lines extended in the first direction and in common coupled to the source select transistors of strings adjacent to each other in the second direction, wherein strings included in one of the string columns are staggered in the first direction and each of the string columns are coupled to at least two of the bit lines. | 11-29-2012 |
20130113033 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A non-volatile memory device in accordance with one embodiment of the present invention includes a substrate including a P-type impurity-doped region, a channel structure comprising a plurality of interlayer insulating layers that are alternately stacked with a plurality of channel layers on the substrate, a P-type semiconductor pattern that contacts sidewalls of the plurality of channel layers, wherein a lower end of the P-type semiconductor pattern contacts the P-type impurity-doped region, and source lines that are disposed at both sides of the P-type semiconductor pattern and contact the sidewalls of the plurality of channel layers. | 05-09-2013 |
20130128660 | READING METHOD OF NON-VOLATILE MEMORY DEVICE - A reading method of a non-volatile memory device that includes a plurality memory cells that each include one floating gate and two control gates disposed adjacent to the floating gate on two alternate sides of the floating gate, respectively, and two adjacent memory cells share one control gate, the reading method comprising applying a read voltage to control gates of a selected memory cell, applying a second pass voltage to alternate control gates of the memory cells different from the control gates of the selected memory cells starting from the control gates next to the selected memory cell, and applying a first pass voltage that is lower than the second pass voltage to alternate the control gates of the memory cells different from the control gates of the selected memory cells starting from the control gates secondly next to the selected memory cell. | 05-23-2013 |
20130175602 | Non-Volatile Memory Device Having Three Dimensional, Vertical Channel, Alternately Stacked Gate Electrode Structure - A method for fabricating a non-volatile memory device, the method includes alternately stacking inter-layer dielectric layers and sacrificial layers over a substrate, etching the inter-layer dielectric layers and the sacrificial layers to form trenches to expose a surface of the substrate, etching the inter-layer dielectric layers exposed by the trenches to a predetermined thickness, forming junction layers over etched portions of the inter-layer dielectric layers, and burying a layer for a channel within the trenches in which the junction layers have been formed to form a channel. | 07-11-2013 |
20130194869 | THREE-DIMENSIONAL NON-VOLATILE MEMORY DEVICE - A three-dimensional (3-D) non-volatile memory device according to embodiment of the present invention includes a plurality of bit lines, at least one string row extending in a first direction coupled to the bit lines and including 2N strings, wherein the N includes a natural number, a common source selection line configured to control source selection transistors of the 2N strings included in a memory block, a first common drain selection line configured to control drain selection transistors of a first string and a 2N-th string among the 2N strings included in a memory block, and N−1 second common drain selection lines configured to control drain selection transistors of adjacent strings in the first direction among remaining strings other than the first string and the 2N-th string. | 08-01-2013 |
20140254281 | 3D NON-VOLATILE MEMORY DEVICE AND METHOD FOR OPERATING AND FABRICATING THE SAME - A 3D non-volatile memory device includes a plate-type lower select line formed over a substrate, a lower select transistor formed in the lower select line, a plurality of memory cells stacked over the lower select transistor, an upper select transistor formed over the memory cells, and a line-type common source line formed over the substrate and spaced from the lower select line. | 09-11-2014 |
20140299931 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A nonvolatile memory device includes a substrate comprising a first word line formation area, a second word line formation area, and a support area interposed between the first and second word line formation areas; a first stacked structure disposed over the substrate of each of the first and second word line formation areas and having a plurality of interlayer dielectric layers and a plurality of conductive layers that are alternately stacked therein; a second stacked structure disposed over the substrate of the support area and having the plurality of interlayer dielectric layers and a plurality of spaces that are alternately stacked therein; a channel layer disposed in the first stacked structure; and a memory layer interposed between the channel layer and each of the plurality of conductive layers. | 10-09-2014 |
20150155371 | 3-DIMENSIONAL NON-VOLATILE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - A non-volatile memory device comprising a plurality of strings each including a drain select transistor, drain-side memory cells, a pipe transistor, source-side memory cells, and a source select transistor coupled in series, wherein the plurality of strings are arranged in a first direction and a second direction, and the strings arranged in the second direction form each of string columns; a plurality of bit lines extended in the second direction and coupled to the drain select transistors of the strings included in each string column; and a plurality of source lines extended in the first direction and in common coupled to the source select transistors of strings adjacent to each other in the second direction, wherein strings included in one of the string columns are staggered in the first direction and each of the string columns are coupled to at least two of the bit lines. | 06-04-2015 |
20150236037 | NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME - A non-volatile memory device in accordance with one embodiment of the present invention includes a substrate including a P-type impurity-doped region, a channel structure comprising a plurality of interlayer insulating layers that are alternately stacked with a plurality of channel layers on the substrate, a P-type semiconductor pattern that contacts sidewalls of the plurality of channel layers, wherein a lower end of the P-type semiconductor pattern contacts the P-type impurity-doped region, and source lines that are disposed at both sides of the P-type semiconductor pattern and contact the sidewalls of the plurality of channel layers. | 08-20-2015 |
20160027520 | SEMICONDUCTOR MEMORY DEVICE INCLUDING THREE-DIMENSIONAL MEMORY CELL ARRAY STRUCTURE AND OPERATING METHOD THEREOF - An operating method includes biasing channel regions of unselected cell strings among the cell strings to an initial voltage while applying a first pass voltage to the plurality of word lines; floating the channel regions of the unselected cell strings; increasing the first pass voltage to a second pass voltage during the floating of the channel regions; and reading data from selected memory cells of selected cell strings among the cell strings. | 01-28-2016 |
Patent application number | Description | Published |
20110061020 | IMAGE PROCESSING APPARATUS AND CONTROLLING METHOD OF THE SAME - An image processing apparatus and a controlling method of the same are provided. The method includes displaying a first screen corresponding to a first application; displaying a second screen corresponding to a second application above the first screen such that the second screen overlaps at least a portion of the first screen; and displaying at least a portion of the second screen that overlaps the portion of the first screen, while controlling the first application. | 03-10-2011 |
20110310021 | USER INPUT DEVICE, DISPLAY APPARATUS COMPRISING THE SAME AND CONTROL METHOD THEREOF - Provided herein are a user input device, a display apparatus and a control method thereof. The user input device includes at least one touch sense pad which is divided into a plurality of areas which are separated by a boundary; and at least one switch to receive a user's input by pushing the touch sense pad. | 12-22-2011 |
20110314428 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus includes: a display unit; a user interface (UI) generator which generates UI information to be displayed on the display unit; a user input unit which includes a touch pad; and a controller which controls the UI generator to display a plurality of selective items per item page on the display unit, to move a focus in accordance with a touch motion of the user, and to stop moving the focus if the focus is located at an outermost selective item positioned at an edge of the item page. | 12-22-2011 |
20120013534 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus according to the present disclosure includes: a user input unit which includes at least one touch sense pad and at least one switch; and a controller which determines that the switch is clicked if difference between first position information of a first position on the touch sense pad where a switch press is generated and second position information of a second position on the touch sense pad where a switch release is generated is within a preset range. | 01-19-2012 |
20120019459 | INPUT DEVICE AND CONTROL METHOD THEREOF - A control method includes: receiving a user's input through a touch area of the input device; and recognizing the user's touch input to the touch area through a recognition area of the input device corresponding to the touch area and changing and assigning a range of the recognition area corresponding to the touch area according to a predetermined standard. | 01-26-2012 |
20120319973 | ELECTRONIC CHALKBOARD SYSTEM, CONTROL METHOD THEREOF, AND POINTING DEVICE - Disclosed is an electronic chalkboard system including: a display device including a display panel; image processor which displays an image corresponding to the coordinate information onto the display panel; and a plurality of pointing devices, wherein each pointing device respectively calculates coordinate information about a touch position if the respective pointing device touches the display panel and transmits the calculated coordinate information to the image processor at a predetermined transmission time of the calculating of the calculated coordinate information, wherein a first pointing device transmits first coordinate information corresponding to a first touch position of the first pointing device to the image processor at a first transmission time, and wherein a second pointing device transmits second coordinate information corresponding to a second touch position of the second pointing device to the image processor at a second transmission time which is different from the first transmission time. | 12-20-2012 |
20130021246 | INPUT APPARATUS OF DISPLAY APPARATUS, DISPLAY SYSTEM AND CONTROL METHOD THEREOF - An input apparatus of a display apparatus, a display system, and a control method thereof, are provided herein, the input apparatus including: a communication unit which communicates with the display apparatus; a sensing unit which detects angular speed and acceleration from a motion of the input apparatus; a storage unit which stores position information on a position of the input apparatus; and a controller which calculates the motion information based on the detected angular speed and the position information and transmits the calculated motion information through the communication unit if the input apparatus moves, and updates the position information in the storage unit based on the detected acceleration if the input apparatus does not move. | 01-24-2013 |
20130342454 | DISPLAY APPARATUS, REMOTE CONTROLLING APPARATUS AND CONTROL METHOD THEREOF - A remote controlling apparatus, a display apparatus and a controlling method are provided. The remote controlling apparatus for selecting one of a plurality of operating modes of an external device being operable between a pointing mode and a gesture mode, associated with the remote controlling apparatus, includes an output unit for outputting information regarding the remote controlling apparatus to the external device, a detection unit for detecting motion of the remote controlling apparatus, a motion information generating unit for generating motion information based on the detected motion of the remote controlling apparatus, an operation mode change unit for providing information regarding an operation mode, for changing the operation mode of the external device being operable between the pointing mode and the gesture mode, and wherein the information regarding the remote controlling apparatus comprise the information regarding the operating mode, and the motion information generated by the motion information generating unit. | 12-26-2013 |
20130342455 | DISPLAY APPARATUS, REMOTE CONTROLLING APPARATUS AND CONTROL METHOD THEREOF - A remote controlling apparatus, a display apparatus and a controlling method are provided. The remote controlling apparatus for selecting one of a plurality of operating modes of an external device being operable between a pointing mode and a gesture mode, associated with the remote controlling apparatus, includes an output unit for outputting information regarding the remote controlling apparatus to the external device, a detection unit for detecting motion of the remote controlling apparatus, a motion information generating unit for generating motion information based on the detected motion of the remote controlling apparatus, an operation mode change unit for providing information regarding an operation mode, for changing the operation mode of the external device being operable between the pointing mode and the gesture mode, and wherein the information regarding the remote controlling apparatus comprise the information regarding the operating mode, and the motion information generated by the motion information generating unit. | 12-26-2013 |
20130342456 | REMOTE CONTROL APPARATUS AND CONTROL METHOD THEREOF - A remote controlling apparatus to provide a plurality of control modes includes a communicating unit which performs communication with an external display apparatus which provides a user interface screen, a detecting unit which detects a movement of the remote controlling apparatus, a mode change button unit which receives a user command to change control mode, and a control unit which controls a display status of the user interface screen according to the movement of the remote controlling apparatus as detected through the detecting unit, and which operates in a pointing mode if the mode change button unit is released from pressed state, or operates in a gesture mode while the mode change button unit is in pressed state. The mode change button unit is arranged on a rear surface of the remote controlling apparatus for a user to grip. | 12-26-2013 |
20150227215 | INPUT APPARATUS OF DISPLAY APPARATUS, DISPLAY SYSTEM AND CONTROL METHOD THEREOF - An input apparatus of a display apparatus, a display system, and a control method thereof, are provided herein, the input apparatus including: a communication unit which communicates with the display apparatus; a sensing unit which detects angular speed and acceleration from a motion of the input apparatus; a storage unit which stores position information on a position of the input apparatus; and a controller which calculates the motion information based on the detected angular speed and the position information and transmits the calculated motion information through the communication unit if the input apparatus moves, and updates the position information in the storage unit based on the detected acceleration if the input apparatus does not move. | 08-13-2015 |
Patent application number | Description | Published |
20100058568 | MULTI-BAND FILTER MODULE AND METHOD OF FABRICATING THE SAME - A multi-band filter module and a method of fabricating the same are provided. The multi-band filter module includes a piezoelectric substrate, a first filter provided on the piezoelectric substrate, and a second filter provided adjacent to the first filter on the piezoelectric substrate, and operating in a frequency band that is lower than that of the first filter. | 03-11-2010 |
20100110606 | TUNABLE CAPACITOR USING ELECTROWETTING PHENOMENON - A tunable capacitor using an electrowetting phenomenon includes a first electrode; a second electrode which is spaced apart from the first electrode and faces the first electrode; a fluidic channel which is disposed between the first electrode and the second electrode; a first insulating layer which is disposed between the first electrode and the fluidic channel; and a conductive fluid which is disposed in the fluidic channel and moves along the fluidic channel when a direct current (DC) potential difference occurs between the first and second electrodes. Accordingly, it is possible to fabricate the tunable capacitor with the simplified fabrication process, good reliability and durability, and no restriction on the tuning range. | 05-06-2010 |
20120112554 | WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD OF CONTROLLING TRANSMISSION AND RECEPTION OF RESONANCE POWER - A resonance power transmission system, and a method of controlling transmission and reception of a resonance power are provided. According to one embodiment, a method of controlling resonance power transmission in a resonance power transmitter may include: transmitting resonance power to a resonance power receiver, the resonance power having resonance frequencies which vary with respect to a plurality of time intervals; and receiving, from the resonance power receiver, information regarding the resonance frequency having the highest power transmission efficiency among the resonance frequencies used in the time intervals. | 05-10-2012 |
20120193997 | WIRELESS POWER TRANSMISSION SYSTEM AND RESONATOR FOR THE SYSTEM - Provided is a wireless power resonator. The wireless power resonator, including a transmission line and a capacitor, may form a loop structure, and may additionally include a matcher to determine an impedance of the wireless power resonator. | 08-02-2012 |
20120217820 | WIRELESS POWER TRANSMISSION SYSTEM AND RESONATOR FOR THE SYSTEM - Provided is a wireless power resonator. The wireless power resonator may include a transmission line and a capacitor, may form a loop structure, and may further include a matcher to determine an impedance of the wireless power resonator. | 08-30-2012 |
20120293005 | APPARATUS AND METHOD FOR WIRELESS POWER TRANSMISSION - An apparatus and method for efficiently, wirelessly transmitting a power to a plurality of target devices are provided. A wireless power transmitter may include: a source resonator configured to wirelessly transmit energy to a target device with at least one target resonator, the energy being stored in a capacitor; and a feeding unit configured to generate an induced current flowing in the source resonator in the same direction as a direction of an input current flowing in a transmission line, the feeding unit being electrically connected to the capacitor and forming a closed loop with the source resonator. | 11-22-2012 |
20120293006 | APPARATUS AND METHOD FOR USING NEAR FIELD COMMUNICATION AND WIRELESS POWER TRANSMISSION - An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator. | 11-22-2012 |
20120293009 | APPARATUS AND METHOD OF PROTECTING POWER RECEIVER OF WIRELESS POWER TRANSMISSION SYSTEM - An apparatus and method of protecting a power receiver of a wireless power transmission system are provided. A wireless power receiver includes a rectifier comprising an input and an output, and configured to receive a signal through the input, to rectify the signal to produce a rectified signal, and to output the rectified signal through the output, and a capacitor connected to the output of the rectifier and to ground. The wireless power receiver further includes a direct current-to-direct current (DC/DC) converter connected to the output of the rectifier and to a load, and configured to convert the rectified signal to a power, and to provide the power to the load, and a device configured to create a short circuit to protect the rectifier and/or the capacitor when a voltage greater than a threshold voltage is applied to the input of the rectifier and/or the output of the rectifier. | 11-22-2012 |
20120293900 | APPARATUS FOR AND METHOD OF PROTECTING WIRELESS-COUPLED POWER DEVICES FROM OVERVOLTAGE, OVERCURRENT, AND OVERTEMPERATURE USING HYSTERESIS - An overvoltage protecting unit and an overcurrent protecting unit protect a power device from an overvoltage and an overcurrent using a comparator having hysteresis. An overtemperature protecting unit protects the power device from an overtemperature using a thermistor having a resistance that changes as a temperature of the thermistor changes. | 11-22-2012 |
20120300875 | APPARATUS FOR AND METHOD OF TRANSMITTING HIGH EFFICIENCY VARIABLE POWER - An apparatus for transmitting a high efficiency variable power includes a pulse generating unit configured to generate a pulse signal comprising a pulse having a duration corresponding to an amount of power transmitted; a pulse stream generating unit configured to convert the pulse signal to a pulse stream having pulse shape corresponding to the duration of the pulse and data to be transmitted; and a high frequency modulating unit configured to output a variable power by modulating a high frequency signal having a constant amplitude on a time axis by repeatedly outputting and not outputting the high frequency signal based on the pulse stream. | 11-29-2012 |
20120306269 | METHOD AND APPARATUS FOR DETECTING LOAD FLUCTUATION OF WIRELESS POWER TRANSMISSION - A method and apparatus to detect load fluctuation of a wireless power transmission are provided. A wireless power transmitter includes a resonator configured to wirelessly transmit, to a target device, an output power. The wireless power transmitter further includes a power detector configured to detect a current of the output power. The wireless power transmitter further includes a controller configured to detect a change in the current, and to detect a target load based on the change in the current. The target load includes a load of which the output power is applied thereto. | 12-06-2012 |
20120306433 | WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND POWER CONTROL METHOD OF WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM - A wireless power transmission and charging system, and a power control method of the wireless power transmission and charging system are provided. The power control method may include generating charging power using the power amplifier. The charging power may be used to charge a target device. The charging power may be transmitted to the target device. The voltage supplied to the power amplifier may be adjusted based on a detected change in the current input to the power amplifier, a detected change in the temperature of the source device, a detected change in the amount of the power received to the target device, or a detected change in the temperature of the target device. | 12-06-2012 |
20120309304 | APPARATUS AND METHOD FOR COMMUNICATION USING WIRELESS POWER - An apparatus and method for communication using a wireless power are provided. The apparatus includes an amplifier configured to amplify an input signal based on a power supplied to the amplifier. The apparatus further includes a control unit configured to detect a change in an impedance of a target device, and to change the power based on the change in the impedance. The apparatus further includes a demodulation unit configured to receive a message from the target device, and to demodulate the message based on the changed power. | 12-06-2012 |
20120309305 | APPARATUS AND METHOD FOR COMMUNICATION USING WIRELESS POWER - An apparatus and method are described that may enable a target device to communicate with a source device using a wireless power. The communication apparatus receives a wireless power from a source resonator through a magnetic coupling between the source resonator and a target resonator. The communication apparatus transmits a message, and modulates the message based on the received wireless power and impedance mismatch between the source device and the target device. The communication apparatus controls the impedance mismatch by changing an impedance of the target device. | 12-06-2012 |
20130033117 | WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD AND APPARATUS FOR CONTROLLING POWER IN WIRELESS POWER TRANSMISSION SYSTEM - A wireless power transmission system, and an apparatus and method for controlling power in the wireless power transmission system are provided. The method includes determining a resonance frequency of the wireless power transmission system in which a wireless power transmission efficiency is greater than or equal to a predetermined value. The method further includes generating an operation power based on the wireless power transmission efficiency, the operation power being used to operate a target device. The method further includes transmitting the operation power to the target device. The method further includes controlling an amount of the operation power received by the target device to be within a predetermined range. | 02-07-2013 |
20130035034 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD IN WIRELESS POWER TRANSMISSION SYSTEM - A communication method in a wireless power transmission system includes detecting state information of a plurality of channels available in a communication cell when all of the plurality of channels have already been respectively assigned to a plurality of sources configured to transmit wireless power respectively, determining a channel to be used for communication based on the state information, determining whether the determined channel is being used by a respective one of the plurality of sources to which the determined channel has already been assigned, and determining whether the determined channel is to be used for communication based on a result of the determination of whether the determined channel is being used. | 02-07-2013 |
20130035126 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD IN WIRELESS POWER TRANSMISSION SYSTEM - A communication apparatus in a wireless power transmission system includes an operating mode converter configured to switch an operating mode of the communication apparatus between a transmitting mode and a receiving mode according to a predetermined timing; and a transmitting unit configured to transmit state information of a channel occupied by a source including the communication apparatus using a continuous wave signal while the communication apparatus is operating in the transmitting mode irrespective of whether the communication apparatus is performing communication via the occupied channel. The source including the communication apparatus is configured to transmit wireless power. The occupied channel has been assigned to the source including the communication apparatus from a plurality of channels available in a communication cell for assignment to a plurality of sources each configured to transmit wireless power. | 02-07-2013 |
20130101133 | SOUND SYSTEM USING WIRELESS POWER TRANSMISSION - A sound system using wireless power transmission is provided. A power and data transmission apparatus in the sound system, includes a data transmitting unit configured to wirelessly transmit, to a sound output device, sound data. The apparatus further includes a power transmitting unit configured to wirelessly transmit, to the sound output device, power. The apparatus further includes a controller configured to control the data transmitting unit and the power transmitting unit based on a distance between the apparatus and the sound output device. | 04-25-2013 |
20130113296 | WIRELESS POWER TRANSMISSION SYSTEM, RESONATOR IN WIRELESS POWER TRANSMISSION SYSTEM, AND RESONATOR DESIGN METHOD FOR OPTIMUM POWER DIVISION - A wireless power transmission system, a resonator in the wireless power transmission system, and a resonator design method for optimum power division are provided. A power receiver of the wireless power transmission system, includes a resonator configured to receive a power from a power transmitter. The power receiver further includes a power supply configured to supply the received power to a load. A figure of merit (FOM) of the resonator corresponds to a power dividing ratio of the power transmitter. | 05-09-2013 |
20130113298 | WIRELESS POWER TRANSMISSION SYSTEM AND METHOD BASED ON IMPEDANCE MATCHING CONDITION - A wireless power transmission system and a method based on an impedance matching condition are provided. A source device of the wireless power transmission system, includes a power converter configured to generate power. The source device further includes a resonator configured to transmit the power to a target device. A ratio of an input impedance of the resonator to an output impedance of the power converter is less than a reference value. | 05-09-2013 |
20130130621 | METHOD AND APPARATUS FOR DATA COMMUNICATION IN WIRELESS POWER TRANSMISSION - A method and apparatus for data communication in wireless power transmission are provided. A wireless power transmitter includes a resonance antenna configured to wirelessly transmit a power to a wireless power receiver, and receive a signal from the wireless power receiver, the signal including a sub-carrier. The wireless power transmitter further includes a controller configured to receive the signal from the resonance antenna, and receive data from the wireless power receiver based on the sub-carrier. | 05-23-2013 |
20130134791 | WIRELESS POWER TRANSMISSION SYSTEM WITH ENHANCED MAGNETIC FIELD STRENGTH - A wireless power transmission system with an enhanced magnetic field strength is provided. A wireless power transmitter includes a generator configured to generate a power. The wireless power transmitter further includes a resonator configured to generate a magnetic field to transmit the power to a target device. The wireless power transmitter further includes a slab unit configured to enhance the magnetic field. | 05-30-2013 |
20130134927 | WIRELESS POWER TRANSMISSION SYSTEM BASED ON CELL DIVISION - A wireless power transmission system based on cell division is provided. A communication and power control method of the wireless power transmission system, includes setting a magnetic coupling zone. The method further includes detecting a target device in the magnetic coupling zone. The method further includes transmitting a power to the target device. The method further includes adjusting an amount of the power based on a transmission efficiency of the power. | 05-30-2013 |
20130271222 | APPARATUS AND METHOD FOR BALANCED POWER AMPLIFICATION - An apparatus and a method for balanced power amplification are provided. An amplifier includes a splitter configured to split an input signal into a first input signal and a second input signal that include a 90° phase difference. The amplifier further includes a first power amplifier (PA) configured to amplify the first input signal to generate a first output signal. The amplifier further includes a second PA configured to amplify the second input signal to generate a second output signal. The amplifier further includes a combiner configured to combine the first output signal and the second output signal that include the 90° phase difference to generate an output signal. | 10-17-2013 |
20140021796 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RELAY APPARATUS, AND WIRELESS POWER RECEIVER - A wireless power transmitter includes a source resonator configured to wirelessly transmit power via magnetic coupling with a target resonator; and an impedance adjusting unit configured to adjust an impedance of the source resonator using a plurality of impedance-matching bars located in the source resonator. | 01-23-2014 |
20140312993 | METHOD OF FABRICATING MULTI-BAND FILER MODULE - A method of fabricating a multi-band filter module is provided. The method includes forming a Film Bulk Acoustic Resonator (FBAR) on a piezoelectric substrate by forming a resonant part on the piezoelectric substrate and then an air gap recessed on a surface of the piezoelectric substrate and positioned under the resonant part; and forming a Surface Acoustic Wave (SAW) device on the piezoelectric substrate in which the steps of forming the FBAR and the SAW are concurrently performed. | 10-23-2014 |
20150244427 | APPARATUS AND METHOD FOR USING NEAR FIELD COMMUNICATION AND WIRELESS POWER TRANSMISSION - An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator. | 08-27-2015 |
20150318713 | APPARATUS FOR AND METHOD OF PROTECTING WIRELESS-COUPLED POWER DEVICES FROM OVERVOLTAGE, OVERCURRENT, AND OVERTEMPERATURE USING HYSTERESIS - An overvoltage protecting unit and an overcurrent protecting unit protect a power device from an overvoltage and an overcurrent using a comparator having hysteresis. An overtemperature protecting unit protects the power device from an overtemperature using a thermistor having a resistance that changes as a temperature of the thermistor changes. | 11-05-2015 |
20150334723 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD IN WIRELESS POWER TRANSMISSION SYSTEM - A communication apparatus in a wireless power transmission system includes an operating mode converter configured to switch an operating mode of the communication apparatus between a transmitting mode and a receiving mode according to a predetermined timing; and a transmitting unit configured to transmit state information of a channel occupied by a source including the communication apparatus using a continuous wave signal while the communication apparatus is operating in the transmitting mode irrespective of whether the communication apparatus is performing communication via the occupied channel. The source including the communication apparatus is configured to transmit wireless power. The occupied channel has been assigned to the source including the communication apparatus from a plurality of channels available in a communication cell for assignment to a plurality of sources each configured to transmit wireless power. | 11-19-2015 |
20160080040 | APPARATUS AND METHOD FOR COMMUNICATION USING WIRELESS POWER - An apparatus and method for communication using a wireless power are provided. The apparatus includes an amplifier configured to amplify an input signal based on a power supplied to the amplifier. The apparatus further includes a control unit configured to detect a change in an impedance of a target device, and to change the power based on the change in the impedance. The apparatus further includes a demodulation unit configured to receive a message from the target device, and to demodulate the message based on the changed power. | 03-17-2016 |
20160099579 | WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD OF CONTROLLING TRANSMISSION AND RECEPTION OF RESONANCE POWER - A resonance power transmission system, and a method of controlling transmission and reception of a resonance power are provided. According to one embodiment, a method of controlling resonance power transmission in a resonance power transmitter may include: transmitting resonance power to a resonance power receiver, the resonance power having resonance frequencies which vary with respect to a plurality of time intervals; and receiving, from the resonance power receiver, information regarding the resonance frequency having the highest power transmission efficiency among the resonance frequencies used in the time intervals. | 04-07-2016 |