Patent application number | Description | Published |
20110155426 | EMBEDDED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF - An embedded circuit board is disclosed including a first copper clad laminate formed with a plurality of cavities and including a plurality of chips having different thicknesses embedded in the cavities, a second copper clad laminate provided in the cavities to allow the first copper clad laminate to level with the chips; and a resin coated copper foil provided on upper surfaces of the first and second copper clad laminates. | 06-30-2011 |
20110157858 | SYSTEM-IN-PACKAGE HAVING EMBEDDED CIRCUIT BOARDS - Provided is a System-In-Package (SIP) having embedded circuit boards in which boards are electrically connected and a plurality of chips are embedded in a board in a stacked manner. The SIP includes a first board on a surface of which a first circuit is formed, a second board which is provided on a top surface of the first board in a stacked manner and includes a plurality of chips embedded therein in a stacked manner, and a third board which is provided on a top surface of the second board in a stacked manner and on a surface of which a second circuit is formed. | 06-30-2011 |
20110228490 | LARGE CAPACITY MEMORY MODULE MOUNTING DEVICE FOR PORTABLE TERMINAL - A large capacity memory module mounting device employed in a portable terminal is provided, including a large capacity memory module including a plurality of first contact pads; and a flexible circuit board including a plurality of second contact pads and electrically connected to the large capacity memory module by forming solder pads in a heating process after the first and second contact pads are positioned in a face-to-face manner. Accordingly, the large capacity memory module can be advantageously mounted to the portable terminal and an electromagnetic field can be effectively shielded. | 09-22-2011 |
20120293007 | POWER TRANSMITTING METHOD AND POWER TRANSMITTER FOR COMMUNICATION WITH POWER RECEIVER - A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target. | 11-22-2012 |
20120293011 | POWER TRANSMITTING AND RECEIVING APPARATUS AND METHOD FOR PERFORMING A WIRELESS MULTI-POWER TRANSMISSION - An apparatus and method are provided for transmitting and receiving power for wireless power transmission. A power transmitting apparatus includes a power supplier for generating power; a resonator for transmitting the power generated by the power supplier to a plurality of power receiving apparatuses; and a controller for determining whether a power transmission to a new power receiving apparatus is possible using a power receiving apparatus management table, when the new power receiving apparatus is detected while the power transmissions of the plurality of power receiving apparatuses are being performed, and controlling the resonator to transmit power to the new power receiving apparatus, when the power transmission to the new receiving apparatus is possible. The power transmitting apparatus stably supplies power to a plurality of power receiving apparatuses by determining power transmission states of the plurality of power receiving apparatuses. | 11-22-2012 |
Patent application number | Description | Published |
20130099588 | WIRELESS POWER RECEIVER FOR ADJUSTING MAGNITUDE OF WIRELESS POWER - A wireless power receiver for wirelessly receiving power from a wireless power supplier includes a power receiver for receiving wireless power from the wireless power supplier and storing the wireless power for a first time period, a rectifier connected to the power receiver for rectifying the wireless power, a power adjuster connected to the rectifier and an output end, for adjusting a magnitude of the wireless power by enabling the power receiver to store the wireless power for the first time period and delivering the wireless power to the output end for a second time period, and a controller for determining the first and second time periods. | 04-25-2013 |
20130099732 | METHOD FOR CONTROLLING CHARGING POWER AND WIRELESS CHARGING APPARATUS FOR THE SAME - Disclosed is a method for advance detection of output power, before arrival at a boundary frequency between an inband and an outband during frequency tracking in a wireless charging apparatus, the wireless charging apparatus including a first resonator resonating at a lower-limit frequency of the inband and a second resonator resonating at an upper-limit frequency of the inband, to adaptively adjust the frequency based on the power values output from the first and second resonators, and to determine a power transmission control value corresponding to the adjusted frequency, thereby enabling frequency control and power control within the inband. | 04-25-2013 |
20130176652 | OVER-VOLTAGE PROTECTION DEVICE FOR RESONANT WIRELESS POWER TRANSMISSION DEVICE AND METHOD FOR CONTROLLING THE OVER-VOLTAGE PROTECTION DEVICE - Provided is an over-voltage protection device for a resonant wireless power transmission device. The over-voltage protection device includes an amplifier for amplifying a transmission signal, a resonance signal generator for generating a wireless resonance signal according to the transmission signal amplified by the amplifier, a voltage detector for sensing a voltage of the wireless resonance signal generated by the resonance signal generator, and a controller for monitoring the voltage detected by the voltage detector to determine whether the voltage repetitively increases and decreases with periodicity when the voltage is greater than a reference voltage and controlling the amplifier to decrease an output of the transmission device by a value according to a result of the determination. | 07-11-2013 |
20130176653 | OVER-VOLTAGE PROTECTION DEVICE FOR RESONANT WIRELESS POWER RECEPTION DEVICE AND METHOD FOR CONTROLLING THE OVER-VOLTAGE PROTECTION DEVICE - Provided is an over-voltage protection device for a resonant wireless power reception device. The over-voltage protection device includes a resonance signal receiver for receiving a wireless resonance signal transmitted from a wireless power transmission device, an over-voltage protector which is driven by a driver in an over-voltage protection operation to detune a resonance frequency of the reception device, thereby reducing reception power, the driver for driving the over-voltage protector according to a control signal in the over-voltage protection operation, and a controller for outputting the control signal for driving the over-voltage protector to the driver when it is determined that over-voltage occurs. | 07-11-2013 |
20130200844 | WIRELESS POWER CHARGING METHOD AND APPARATUS - A method and apparatus are provided that efficiently perform wireless power charging. A power supply device checks an amount of charging power required by the power receiving device; determines a power level of the charging power that to be supplied over time, based on the amount of the charging power required by the power receiving device; transmits the charging power corresponding to the determined power level to the power receiving device; periodically receives a report message about a charging situation of the power receiving device from the power receiving device; calculates remaining required power, based on the report message received from the power receiving device; adjusts the determined power level depending on the calculated remaining power; and transmits the charging power corresponding to the adjusted power level to the power receiving device. | 08-08-2013 |
20130221914 | WIRELESS POWER RECEIVER AND CONTROLLING METHOD THEREOF - Disclosed is a method for controlling a wireless power receiver including a charging unit. The method includes receiving wireless power, rectifying the received wireless power and outputting Direct Current (DC) wireless power, and determining whether the voltage of the rectified wireless power is greater than or equal to the allowable voltage of the charging unit. | 08-29-2013 |
20140139180 | WIRELESS POWER RECEIVER FOR INCREASED CHARGING EFFICIENCY - A wireless power receiver for receiving charging power from a wireless power transmitter includes a power reception unit configured to receive the charging power, a rectification unit configured to rectify charging power provided by the power reception unit, and output charging power in a form of Direct Current (DC), a charging unit configured to store charging power, and a power processing Integrated Chip (IC) configured to convert a voltage of the output rectified charging power, into at least one voltage, that an operation of the wireless power receiver requires, and output power having the at least one voltage. Accordingly, charging efficiency is increased. | 05-22-2014 |
20140159654 | METHOD AND APPARATUS FOR PROTECTING WIRELESS POWER RECEIVER FROM EXCESSIVE CHARGING TEMPERATURE - An apparatus and a method for protecting a wireless power receiver from excessive temperature caused by charging are provided. The wireless power receiver includes a power receiver for receiving wireless power in an Alternate Current (AC) form from a wireless power transmitter; a regulator for regulating the wireless power; a power management unit for controlling charging by providing the regulated wireless power to a battery; a temperature measurement unit for measuring a temperature of a point in the wireless power receiver during reception of the wireless power; and a controller configured to provide a control signal for the wireless power receiver to be charged with a regulated charging power if a temperature measured by the temperature measurement unit exceeds a preset temperature. | 06-12-2014 |
20140159655 | INTEGRATED CIRCUIT FOR WIRELESS CHARGING AND OPERATING METHOD THEREOF - An integrated circuit for wireless charging and a wireless charging method in an integrated circuit are provided. The integrated circuit includes a first wireless communication unit configured to support a first wireless communication method; a second wireless communication unit configured to support a second wireless communication method; a first route selection unit configured to perform a selection from among a first power input according to wired charging and a second power input according to wireless charging to be allowed as input; a second route selection unit configured to perform a selection from among a power between a third power input from a battery and a fourth power input according to wireless charging to be allowed as input; a power block configured to receive the power from any the first and second route selection units; and a controller configured to control an operation of the first and second route selection units. | 06-12-2014 |
20140159673 | WIRELESS CHARGING APPARATUS AND METHOD - A wireless charging method includes receiving information on a required amount of power from a second wireless power receiver while supplying power to one or more first wireless power receivers; calculating required power for all wireless power receivers including the one or more first wireless power receivers and the second wireless power receiver; and when a maximum amount of providable power is not larger than the required amount of power for all wireless power receivers, transmitting insufficient power amount information to each of the wireless power receivers. | 06-12-2014 |
20140323182 | PORTABLE ELECTRONIC DEVICE, FLIP-TYPE COVER OF THE PORTABLE ELECTRONIC DEVICE, AND METHOD FOR CONTROLLING THE FLIP-TYPE COVER - A portable electronic device and a flip-type cover of the portable electronic device are provided. The flip-type cover includes a front cover, a rear cover configured to be detachably engaged with a rear surface of the portable electronic device, a connection cover configured to connect the front cover to the rear cover, a display screen disposed in the front cover, and a rear-cover Printed Circuit Board (PCB) mounted to the rear cover and connected to the portable electronic device, to receive data from the portable electronic device. If the flip-type cover is engaged with the portable electronic device, the rear-cover PCB transmits data received from the portable electronic device to the display screen. | 10-30-2014 |
20140327393 | METHOD AND APPARATUS FOR CONTROLLING ABNORMAL CONDITION IN WIRELESS POWER RECEIVER - A method for controlling an abnormal state of a wireless Power Receiving Unit (PRU) is provided. The method includes measuring a temperature by a period shorter than a previous measurement period when a temperature measured by the wireless PRU in response to a transmission of power from a wireless Power Transmitting Unit (PTU) is higher than a temperature required to be monitored; determining whether the measured temperature is higher than a temperature at which a load switch connected to a charging unit is turned off if the measured temperature is equal to or higher than the temperature required to be monitored; and turning off the load switch if the measured temperature is higher than the temperature at which the load switch is turned off. | 11-06-2014 |