Patent application number | Description | Published |
20120214462 | WIRELESS CHARGING METHOD AND APPARATUS - A terminal can include a wireless charger configured to wirelessly receive a power signal from a charging pad to charge power; and a controller configured to control an incoming call notification mode to be changed from a vibration mode to a bell sound mode or silent mode when an event is generated on the charging pad. | 08-23-2012 |
20120268238 | APPARATUS AND SYSTEM FOR PROVIDING WIRELESS CHARGING SERVICE - A wireless charging apparatus and system according to an embodiment of the present invention provides a wireless charging service through authentication so as to efficiently control charging rights with respect to a plurality of electronic devices, which desire to receive the wireless charging service using a shared wireless charging apparatus, resulting in allowing a user to get a stable wireless charging service and proposing a new benefit creation model. The wireless charging apparatus according to an embodiment of the present invention includes a wireless communication unit configured to receive authentication result information relating to a target electronic device from a server, and a wireless charging unit configured to wirelessly transmit power to the target electronic device if the authentication result information indicates a successful authentication, wherein the wireless communication unit transmits the authentication result information to the target electronic device if the authentication result information indicates an unsuccessful authentication. | 10-25-2012 |
20120294463 | CONTROL OF AUDIO OUTPUT STATE BASED ON WIRELESS CHARGING - According to the present disclosure, there is provided a wireless power receiver configured to provide a continuous phone call environment or content reproduction environment while at the same time conveniently performing wireless charging during the phone call or content reproduction by controlling to activate the operation of an audio output module provided in a wireless power receiver and change an output path of the audio signal when the wireless power receiver is detected. To this end, a wireless power receiver according to an embodiment disclosed herein can include an audio output module; a power receiving unit configured to receive a wireless power signal; and a control unit configured to detect a wireless power transmitter located in a charging region associated with the wireless power signal using the wireless power signal, and activate the operation of the audio output module when the wireless power transmitter is detected. | 11-22-2012 |
20130005252 | WIRELESS POWER TRANSMISSION AND COMMUNICATION BETWEEN DEVICES - An electronic device includes: a device main body having a battery; a power reception unit configured to receive a first wireless power signal formed by a first apparatus; a charging unit configured to charge the battery based on the received first wireless power signal; a power conversion unit configured to form a second wireless power signal for transmitting power to a second apparatus by using power of the battery; and a controller configured to determine whether to activate a power reception function or a power transmission function, wherein when the power reception function is activated, the controller controls the power reception unit to receive the first wireless power signal, and when the power transmission function is activated, the controller controls the power conversion unit to form the second wireless power. | 01-03-2013 |
20140153491 | TWO-WAY COMMUNICATION USING WIRELESS POWER SIGNAL - The present description relates to an apparatus for transmitting wireless power and a method for same, comprising: a power transmission control portion for generating a packet comprising data for at least one electronic device; a modulation/demodulation portion for modulating a carrier signal so as to comprise the packet that is generated; and a power conversion portion for forming the wireless power signal for transmitting power, based on the carrier signal that is modulated, wherein the power transmission control portion transmits the packet to the at least one electronic device through the wireless power signal. Also, the present description relates to the electronic device and a method for receiving power by same, comprising: a power reception portion for receiving the wireless power signal from the apparatus for transmitting wireless power; a modulation/demodulation portion for demodulating the packet which is comprised in the wireless power signal; and a power reception control portion for obtaining data based on the packet that is demodulated. | 06-05-2014 |
20150078461 | COMMUNICATION OF WIRELESS POWER RECEIVER THROUGH WIRELESS POWER SIGNAL - The present specification discloses as one embodiment a power receiver for transmitting a message by using a power transmission signal. The power receiver comprises: a power reception portion for receiving the wireless power signal that is formed by a power transmitter; a demodulation portion for demodulating the received wireless power signal; a modulation portion for modulating the received wireless power signal; and a control portion for decoding a first packet from the wireless power signal that is demodulated by means of the demodulation portion, for determining whether a second packet that does not collide with the first packet which has been decoded can be transmitted, and for modulating the received wireless power signal so as to comprise the second packet by controlling the modulation portion, when transmission is possible according to the result of the determination. | 03-19-2015 |
20150159027 | CONNECTOR AND CABLE ABSORBING LOW FREQUENCY ELECTROMAGNETIC WAVES - A connector and a cable can absorb low frequency electromagnetic waves when formed of a material including a conductive nanomaterial and a magnetic metal material. Because the conductive nanomaterial and a magnetic metal nanowire or nanoparticle have high permeability as compared to the conductive nanomaterial alone, low frequency electromagnetic waves can be absorbed, and electrical interference among various electric/electronic parts can be minimized. | 06-11-2015 |
20150163967 | MATERIAL ABSORBING LOW FREQUENCY ELECTROMAGNETIC WAVES - A material absorbing low frequency electromagnetic waves includes a conductive nanomaterial, and a magnetic metal nanowire or nanoparticles having greater permeability than the conductive nanomaterial. Accordingly, low frequency electromagnetic waves may be absorbed by the material in the present invention and electrical interference among various electric/electronic parts may be minimized. | 06-11-2015 |