Patent application number | Description | Published |
20090158804 | SYSTEM FOR MANUFACTURING LINEAR GEAR AND THE METHOD THEREOF - The present invention relates to a system for and a method of manufacturing a linear gear (rack gear), in which a forming roll and a guide roll are used to form gear teeth in a sequential manner so as not to require a high load, thereby enabling to easily manufacture the rack gear. A system for manufacturing a rack gear according to the invention includes a forming roll having a convexo-concave portion formed on a part of the surface contacting with a linear bar, a guide roll adapted to roll while facing the forming roll, and at least one support member for supporting the linear bar so as to allow the linear bar to linearly move. A method of manufacturing a rack gear according to the invention includes a first step of passing a linear bar through between a pair of rollers provided in front of a forming roll and a guide roll, a second step of charging the linear bar into a charging hole between the forming roll and the guide roll, a third step of rolling the forming roll and the guide roll to partly form teeth on the outer circumferential surface of the linear bar, and a fourth step of rolling the forming roll and the guide roll forward or backward to discharge the linear bar. | 06-25-2009 |
20130002808 | METHOD FOR PHOTOGRAPHIC PANORAMIC IMAGE WHEN THRESHOLD EXCEEDS COMPARISON BETWEEN CURRENT AND PREVIOUS IMAGES - Disclosed is a method for photographing a panoramic image including the steps of recognizing movement of a corresponding photographing apparatus by comparing a current real-time input image with a previous image through a motion estimation mechanism with exposure compensation, determining a time to photograph each next picture by determining whether movement in a photography direction reaches a preset threshold value, and photographing each next picture by manual or automatic operation at the determined time. | 01-03-2013 |
20130033567 | METHOD FOR PHOTOGRAPHING PANORAMIC IMAGE - Disclosed is a method for photographing a panoramic image. The method includes comparing an current image input with a previous image to obtain a motion information of a corresponding photographing apparatus, when photographing respective images forming the panoramic image, recognizing a degree of movement of the corresponding photographing apparatus at least based on the obtained motion information, and photographing corresponding image by a manual input or automatically when the recognized degree of movement is satisfied with a pre-set movement distance reference. | 02-07-2013 |
20130033568 | METHOD FOR PHOTOGRAPHING PANORAMIC PICTURE - A method for photographing a panoramic picture includes the steps of checking motion of a corresponding photographing apparatus compares currently input images and previous images in real time through a motion estimation technique employing exposure compensation. Respective images constituting a panoramic picture are photographed, and image photography information is checked that includes focus distance and optical magnification to calculate actual photography range distance of the images. A pre-set threshold is set in consideration of a calculated actual photography range distance of the images. The checked motion is confirmed as to whether the pre-set threshold has been reached, and photography time points of the respective images are determined. The respective images are photographed according to a manual mode or an automatic mode at the photography time point of the respective images. | 02-07-2013 |
20130044915 | METHOD AND APPARATUS FOR RECOGNIZING CHARACTERS - A method and an apparatus for recognizing characters using an image are provided. A camera is activated according to a character recognition request and a preview mode is set for displaying an image photographed through the camera in real time. An auto focus of the camera is controlled and an image having a predetermined level of clarity is obtained for character recognition from the images obtained in the preview mode. The image for character recognition is character-recognition-processed so as to extract recognition result data. A final recognition character row is drawn that excludes non-character data from the recognition result data. A first word is combined including at least one character of the final recognition character row and a predetermined maximum number of characters. A dictionary database that stores dictionary information on various languages using the first word is searched, so as to provide the user with the corresponding word. | 02-21-2013 |
20130187598 | APPARATUS AND METHOD FOR TRANSMITTING WIRELESS POWER BY USING RESONANT COUPLING AND SYSTEM FOR THE SAME - Disclosed are an apparatus and a method for charging power using a resonant coupling. The apparatus includes a transmission power converter for converting Direct Current (DC) power to Alternating Current (AC) power, a controller for adjusting a Q factor of a transmission resonator by using a frequency of the converted AC power and a resonant frequency of the transmission resonator and controlling adaptive impedance matching, and a transmission resonator for wirelessly transmitting the converted AC power to a receiver through the adjusted Q factor and the controlled adaptive impedance matching, the transmission resonator having a coil installed in the transmitter. | 07-25-2013 |
20130214734 | APPARATUS AND METHOD FOR WIRELESS CHARGING - An apparatus and a method for wireless charging are disclosed. The method includes transmitting a wireless power supply apparatus search signal, receiving a wireless power supply apparatus search response signal and recognizing multiple apparatuses for wirelessly supplying power, sending a request for wirelessly supplying power to a first apparatus, sending a request for cooperative charging to a second apparatus, and receiving first and second power from the first and the second apparatuses, respectively, and performing wireless charging according to reception of a cooperative charging permission signal from the second apparatus for wirelessly supplying power. | 08-22-2013 |
20130214735 | WIRELESS CHARGING APPARATUS AND METHOD - A wireless charging apparatus and method are provided. The method includes transmitting a power supplying device search signal by a wireless power receiving device; recognizing a plurality of power supplying devices by receiving power supplying device search response signals; sending a power supply request to a first power supplying device among the plurality of power supplying devices; sending a power supply request to a second power supplying device upon receiving a charging rejection signal from the first power supplying device; and performing wireless charging by receiving power from the second power supplying device upon receiving a charging permission signal from the second power supplying device. | 08-22-2013 |
20130221915 | METHOD AND APPARATUS FOR WIRELESSLY CHARGING MULTIPLE WIRELESS POWER RECEIVERS - A method and apparatus are provided for transmitting wireless power to at least one wireless power receiver. The apparatus includes a communication unit that receives power management information from the at least one wireless power receiver, wherein the power management information includes a power capacity of each of the at least one wireless power receiver; and a controller that analyzes the power management information and determines whether an output capacity of the wireless power transmitter is greater than a total sum of the power capacities of the at least one wireless power receiver. | 08-29-2013 |
20130342024 | POWER TRANSMITTER AND METHOD FOR CONTROLLING POWER TRANSMISSION - A method and apparatus are provided for controlling power transmission in a power transmitter. The method includes receiving power information that includes a minimum voltage and a maximum voltage receivable at a power receiver; determining a reference voltage for dividing a range between the minimum voltage and the maximum voltage into a predetermined portions; dividing the range between the minimum voltage and the maximum voltage into a first voltage range between the minimum voltage and the reference voltage and a second voltage range between the reference voltage and the maximum voltage; receiving from the power receiver a report about a power reception condition including a measured voltage at the power receiver during the power transmission from the power transmitter; and adjusting and supplying the power according to which voltage range the measured voltage belongs to among the divided voltage ranges. | 12-26-2013 |
20130342161 | METHOD AND POWER TRANSMITTER FOR CONTROLLING POWER TRANSMISSION AGAINST OVERVOLTAGE AT POWER RECEIVER - Methods and apparatus are provided for controlling power transmission in a power transmitter against overvoltage at a power receiver. The power transmitter receives a subscription request to subscribe to a wireless power network, from the power receiver. It is determined whether power transmission is available for the power receiver. The power receiver is informed that the power transmission is beginning, when the power transmission is available. The transmission power is increased and transmitted. It is determined whether a stop request to stop increasing voltage is received at the power transmitter from the power receiver. The increase of the transmission power is stopped when the stop request is received at the power transmitter. Charging of the power receiver is started by transmitting a start charging command from the power transmitter to the power receiver. | 12-26-2013 |
20130346070 | DEVICE AND METHOD FOR ACOUSTIC COMMUNICATION - Disclosed is an acoustic communication method that includes filtering an audio signal to attenuate a high frequency section of the audio signal; generating a residual signal which corresponds to a difference between the audio signal and the filtered signal; generating a psychoacoustic mask for the audio signal based on a predetermined psychoacoustic model; generating a psychoacoustic spectrum mask by combining the residual signal with the psychoacoustic mask; generating an acoustic communication signal by modulating digital data according to the acoustic signal spectrum mask; and combining the acoustic communication signal with the filtered signal. | 12-26-2013 |
20140003726 | METHOD AND APPARATUS FOR RECOGNIZING CHARACTERS | 01-02-2014 |
20140015330 | METHOD AND POWER TRANSMITTER FOR CONTROLLING POWER TRANSMISSION - Methods and apparatus are provided for controlling power transmission. A minimum voltage and a maximum voltage receivable at the at least one power receiver, a reference voltage used to divide a range between the minimum voltage and the maximum voltage, and a demanded voltage required by the at least one power receiver, are received from at least one power receiver. A report about a power reception condition is received from the at least one power receiver. The report includes a measured voltage at the at least one power receiver during power transmission from the power transmitter. It is determined whether the measured voltage is between the minimum voltage and the reference voltage. Power is adjusted and supplied when the measured voltage is not between the minimum voltage and the reference voltage. | 01-16-2014 |
20140015335 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND METHODS OF CONTROLLING THE SAME - A wireless power transmitter, a wireless power receiver, and methods of controlling the same are provided. A method of detecting a rogue device other than a wireless power receiver in the wireless power transmitter includes receiving power consumption information about the wireless power receiver from the wireless power receiver, calculating a power loss based on the received power consumption information about the wireless power receiver, determining whether the power loss exceeds a threshold, and controlling transmission power of the wireless power transmitter, determining that a rogue device exists on the wireless power transmitter, if the power loss exceeds the threshold. | 01-16-2014 |
20140062395 | WIRELESS POWER TRANSMITTER FOR EXCLUDING CROSS-CONNECTED WIRELESS POWER RECEIVER AND METHOD FOR CONTROLLING THE SAME - A method and apparatus for excluding a cross-connected wireless power receiver in a wireless power transmitter is provided. The method includes determining transmission power while the wireless power transmitter is connected to the wireless power receiver; transferring the determined transmission power to the wireless power receiver; receiving a report indicating a power-receiving state from the wireless power receiver; determining whether the power-receiving state indicated by the report is within a valid range corresponding to the transmission power; and terminating the connection to the wireless power receiver if the power-receiving state is outside of the valid range. | 03-06-2014 |
20140111018 | WIRELESS POWER TRANSMITTER AND RECEIVER, AND METHOD FOR TRANSMITTING EMERGENCY INFORMATION IN A WIRELESS CHARGING NETWORK - An apparatus and a method are provided for efficiently transmitting emergency information in a wireless charging network. The method includes receiving wireless charging power from a wireless power transmitter; detecting an occurrence of an emergency situation; generating an emergency signal including information of the emergency situation; and transmitting the generated emergency signal to the wireless power transmitter. | 04-24-2014 |
20140111153 | WIRELESS POWER TRANSMITTERS AND RECEIVERS, AND METHOD FOR PERMITTING A WIRELESS POWER RECEIVER BY A WIRELESS POWER TRANSMITTER - An apparatus and method are provided for permitting a wireless power receiver to be charged by a wireless power transmitter. The method includes generating a Power Receiving Unit (PRU) control signal including permission information indicating charging permission for the wireless power receiver; and transmitting the PRU control signal to the wireless power receiver. | 04-24-2014 |
20140181623 | METHOD FOR ENCODING INFORMATION OBJECT AND ENCODER USING THE SAME - A method and apparatus are provided for encoding an information object. The method includes storing the information object in a buffer; generating a sampling set including bits selected from the buffer according to a predetermined rule and bits randomly selected from the buffer; generating control channel data including information on the sampling set; and modulating the sampling set and the control channel data. | 06-26-2014 |
20140241127 | ENCODER, DECODER, ENCODING METHOD, AND DECODING METHOD - Encoding and decoding methods are provided. An information object is encoded according to a preset encoding scheme. A preset set of bits is selected from the encoded information object and the selected set of bits is output as a sample. A control packet including information on a sample number is generated. The sample is assembled with the control packet. The sample is modulated into a sound signal according to a preset scheme. An input sound signal is demodulated according to the preset scheme. Sample bits and control packet bits containing information of the sample are separated from each other in demodulated received bits. Address information corresponding to each bit of the sample is generated according to the control packet. A soft decision of the sample bits is summed for each piece of the generated address information. A sample decoding of the summed soft decision of the sample bits is performed. | 08-28-2014 |
20140247547 | PORTABLE TERMINAL HAVING A WIRELESS CHARGING MODULE - A portable terminal is provided which includes a window member including a screen area and a bezel area enclosing the screen area; a display module arranged at an inner surface of the window member so as to output a screen through the screen area; and a receiving part resonant antenna arranged at the inner surface of the window member and attached to the bezel area, wherein the receiving part resonant antenna is arranged parallel to three sides of the display module. | 09-04-2014 |
20140253028 | WIRELESS POWER TRANSMITTER AND METHOD FOR CONTROLLING SAME - A method for controlling a wireless power transmitter that transmits charging power to a wireless power receiver is provided. The method includes driving the wireless power transmitter; determining whether latch fault mode entry conditions are met, in which the wireless power transmitter is allowed to enter a latch fault mode in which the wireless power transmitter periodically applies first power having a first power value in a first cycle; and if the latch fault mode entry conditions are met, periodically applying the first power in the first cycle. | 09-11-2014 |
20140285142 | WIRELESS POWER TRANSMITTING UNIT, WIRELESS POWER RECEIVING UNIT, AND CONTROL METHODS THEREOF - A control method of a wireless power receiving unit receiving charging power from a wireless power transmitting unit to perform wireless charging is provided. The control method includes receiving the charging power from the wireless power transmitting unit; detecting a change in a wireless charging environment; generating a signal indicating detection of the change in the wireless charging environment; and transmitting the signal indicating the detection of the change in the wireless charging environment to the wireless power transmitting unit. | 09-25-2014 |
20140285143 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND CONTROL METHODS THEREOF - A control method of a wireless power transmitting unit transmitting charging power to a wireless power receiving unit is provided. The control method includes receiving first signals from one or more wireless power receiving units; classifying wireless power receiving units to be communicated with from among the one or more wireless power receiving units based on reception intensities of the received first signals; transmitting wireless transmission power with predetermined level; receiving second signals including voltage information of the classified wireless power receiving units from the classified wireless power receiving units; and communicating with one or more wireless power receiving unit among the classified wireless power receiving units based on the wireless transmission power and the voltage information of the second signals. | 09-25-2014 |
20140327319 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER AND CONTROL METHOD THEREOF - A control method for transmitting charging power to a wireless power receiver in a wireless power transmitter is provided. The control method includes receiving a Power Transmission Unit (PTU) searching signal for searching for a wireless power transmitter, from the wireless power receiver; obtaining information about an identifier of a signal in a communication scheme used by the wireless power receiver; and exchanging signals with the wireless power receiver based on the information about the identifier of the signal in the communication scheme used by the wireless power receiver. | 11-06-2014 |
20140327409 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER AND CONTROL METHOD THEREOF - A control method for performing wireless charging in a wireless power receiver is disclosed. The control method includes receiving charging power from a wireless power transmitter; detecting transition of the wireless power receiver from a Stand Alone (SA) mode to a Non Stand Alone (NSA) mode; upon detecting the mode transition, generating a message including address information used to re-connect with the wireless power transmitter; and transmitting the message to the wireless power transmitter. | 11-06-2014 |
20140333145 | DIFFERENTIAL LOAD DETECTING METHOD FOR DETECTING A WIRELESS POWER RECEIVER IN WIRELESS POWER NETWORK AND WIRELESS POWER TRANSMITTER - A differential load detection apparatus and method are provided for detecting a wireless power receiver in a wireless power network. The differential load detection method includes transmitting first detection power for detecting the wireless power receiver, transmitting second detection power when an impedance variation greater than a first predetermined threshold value and equal to or less than a second threshold value is detected, and waiting for a reception of an advertisement signal according to the transmission of the second detection power from the wireless power receiver. | 11-13-2014 |
20140358550 | APPARATUS AND METHOD FOR PROVIDING AUGMENTED REALITY SERVICE USING SOUND - A method and an apparatus are provided for providing additional information service in a mobile communication terminal. A microphone receives a sound signal including an audible frequency band and an inaudible frequency band. Additional information related to the service is detected in the inaudible frequency band included in the sound signal. The detected additional information is extracted from the sound signal. Data for providing the service is acquired based on the extracted additional information. A service screen is displayed based on the acquired data. | 12-04-2014 |
20140361738 | METHOD OF GENERATING LOAD VARIATION FOR DETECTING WIRELESS POWER RECEIVING UNIT IN WIRELESS CHARGING, AND WIRELESS POWER RECEIVING UNIT - A method for generating a load variation for detecting a wireless power receiving unit in wireless charging is provided. The method includes maintaining a switch connected to a dummy load in an ON state by the wireless power receiving unit, receiving wireless power from a wireless power transmitting unit, and, upon receiving the wireless power, switching the switch connected to the dummy load to an OFF state. | 12-11-2014 |
20140362993 | METHOD AND APPARATUS FOR WIRELESS COMMUNICATION USING AN ACOUSTIC SIGNAL - Systems, apparatuses, and methods for securing wireless communication using an acoustic signal are described. In one method involving a first and second device, the second device generates, when connecting to the first device, connection initiation information including key information for secure communication, converts the connection initiation information to an acoustic signal, and transmits the acoustic signal to the first device through an acoustic communication channel. Then the second device monitors a radio wireless channel, which is secured using the key information for secure communication, to determine whether a valid response is received from the first device and, upon receipt of the valid response, discontinues transmission of the acoustic signal and begins communicating with the first device securely on the radio wireless channel. | 12-11-2014 |
20150180268 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND METHOD FOR CONTROLLING SAME - Disclosed is a method for controlling a wireless power transmitter for transmitting charging power to a wireless power receiver. The control method of the present invention comprises the steps of: adjusting the internal impedance of the wireless power transmitter such that the impedance variation occurring when the wireless power receiver is positioned is set to a second impedance variation different from the first impedance variation; applying detection power for detecting the wireless power receiver; detecting the second impedance variation during the application of the detection power so as to detect the wireless power receiver; and changing the impedance variation occurring when the wireless power receiver is positioned from the second impedance variation to the first impedance variation. | 06-25-2015 |
20150214775 | METHOD FOR CONTROLLING WIRELESS POWER TRANSMITTER AND WIRELESS POWER RECEIVER - A control method of a wireless power transmitter for transmitting charging power to a wireless power receiver is provided. The control method includes receiving setting information from the wireless power receiver, determining a load variation of the wireless power receiver for a set time period, and determining that the wireless power receiver is a charging target, if the load variation of the wireless power matches the received setting information. | 07-30-2015 |
20150233990 | METHOD FOR DETECTING LOAD IN WIRELESS CHARGING PRIORITY - A method for detecting a load in wireless charging is provided. The method includes storing predetermined transmission signal waveform information, transmitting a signal according to the predetermined transmission signal waveform information, detecting a waveform change in the transmitted signal, and determining whether a device exists based on the detected waveform change. | 08-20-2015 |
20150236757 | METHOD FOR PREVENTING ABNORMALITY DURING WIRELESS CHARGING - A method of preventing an abnormality during wireless charging is provided. The method includes transmitting wireless charging power to a plurality of wireless power receivers based on a first power value determined according to a first mode by a wireless power transmitter, determining whether the wireless power transmitter or at least one of the plurality of wireless power receivers satisfies an abnormality occurrence condition, and if the abnormality occurrence condition is satisfied, transmitting wireless charging power to the plurality of wireless power receivers based on a second power value determined according to a second mode by the wireless power transmitter. | 08-20-2015 |
20150270740 | METHOD FOR PREVENTING CROSS CONNECTION IN WIRELESS CHARGING - A method of preventing cross connection in wireless charging is provided. The method includes determining whether a load variation is sensed in a wireless power transmitter, transmitting a signal including identification information of the wireless power transmitter if the load variation is sensed, receiving a signal transmitted from at least one wireless power receiver, and performing a communication connection with the at least one wireless power receiver having transmitted the signal, if information included in the received signal matches the identification information of the wireless power transmitter. | 09-24-2015 |
20150362325 | SCHEME FOR UPDATING NAVIGATION THROUGH COMMUNICATION WITH USER EQUIPMENT - The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of and device for updating a navigation device through communication with a User Equipment (UE). The method includes recognizing at least one of a location and an object as a Point of Interest (POI), based on a user preference set in advance or a user's input; transmitting, to the UE, a request for additional data associated with the location or the object; receiving, from the UE, the additional data associated with the location or the object through the communication; and updating the navigation device using the additional data. | 12-17-2015 |
20150372496 | METHOD FOR TRANSMITTING SIGNAL BY WIRELESS POWER TRANSMITTER IN WIRELESS CHARGING SYSTEM, WIRELESS POWER TRANSMITTER AND WIRELESS POWER RECEIVER - A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided. The method includes transmitting a first signal; transmitting a second signal; detecting a load change during a period in which the second signal is transmitted; and extending a transmission period of the second signal based on the detected load change. The wireless power transmitter includes a power transmission unit configured to transmit a first signal and a second signal; a sensing unit configured to detect a load change during a period in which the second signal is transmitted; and a controller configured to extend a transmission period of the second signal based on the detected load change. | 12-24-2015 |
20160049826 | METHOD FOR DETERMINING CROSS CONNECTION IN WIRELESS CHARGING - A method and an apparatus are provided for determining a cross connection during wireless charging. The method includes receiving changed voltage setting information from a wireless power receiver, transmitting power adjusted according to the received voltage setting information, receiving measured voltage information from the wireless power receiver, and determining whether a cross connection occurs based on the voltage setting information and the measured voltage information. | 02-18-2016 |