Patent application number | Description | Published |
20080216015 | Method of Displaying Atypical Template Type on Idle-Mode Screen of Mobile Communication Terminal, Computer-Readable Recording Medium in Which Program For Executing the Same is Recorded and Mobile Communication Terminal With Function Thereof - The present invention relates to a mobile communication terminal having an idle screen function, and more particularly, to a method of atypically displaying idle screen templates of a mobile communication terminal. A method of displaying atypical template types on an idle-mode screen of a mobile communication terminal according to the present invention includes the steps of selecting any one of atypical template types that have been previously set to display the selected template type on the idle-mode screen of the mobile communication terminal, checking a setting value (properties or profiles) of the selected atypical template type, configuring a channel using the atypical template type constructed based on the setting value, and changing a template type of the idle-mode screen from a template type that has already been displayed to the selected atypical template type, and displaying the changed template type on the idle-mode screen. | 09-04-2008 |
20090207187 | MOBILE TERMINAL FOR MULTI-DISPLAYABLE CONTENTS INFORMATION WHICH IS COMPOSED WITH INDEPENDENT CHANNEL, METHOD THEREOF, AND COMPUTER READABLE RECORD MEDIUM ON WHICH PROGRAM FOR EXECUTING METHOD IS RECORDED - A method of a mobile communication terminal displaying channels, and more particularly, to a mobile communication terminal that is capable of multi-displaying contents information that is composed of independent channels are provided. The mobile communication terminal comprises an input unit for a user inputting commands in order to read or check contents information, a communication unit for transmitting contents information on channels to a service server and for receiving the contents information on channels from the service server through a communication network, a display unit for displaying the contents information that is provided from the service server or the contents information that is stored in the mobile communication terminal on a window screen, a storage unit for storing the contents information and contents information screen forming programs that enable the contents information to be composed of independent channels, and a control unit for updating the previously stored contents information to corresponding recent contents information, for forming a requested screen in accordance with the input of a user, and for assigning resources so that the plurality of contents information items are multi-displayed on one display screen. | 08-20-2009 |
20100161708 | SYSTEM OF PROVIDING CONTENTS INFORMATION ON IDLE-MODE SCREEN OF MOBILE TERMINAL USING PERSONAL COMPUTER OF FUNCTIONING AS SERVER, METHOD THEREOF AND COMPUTER READABLE RECORD MEDIUM ON WHICH PROGRAM FOR EXECUTING METHOD IS RECORDED - An idle-mode service system, and more particularly, to a service system in which a personal computer is used as peer to peer (P2P)/WEB to phone (W2P) to provide contents on the idle-mode screen of a mobile communication terminal is provided. A system of providing contents information on the idle-mode screen of a mobile communication terminal using a personal computer that functions as a server comprises an on line portal server for providing contents to a personal computer through a communication network, a personal computer in which contents extraction/conversion programs for extracting contents from the on line portal server to convert the extracted contents to be displayed on the idle-mode screen of the mobile communication terminal are built, and a mobile communication terminal for receiving the contents from the personal computer to display the received contents on the idle-mode screen. | 06-24-2010 |
20110051850 | FREQUENCY TUNING AND DIRECT CURRENT OFFSET CANCELING CIRCUIT FOR CONTINUOUS-TIME ANALOG FILTER WITH TIME DIVIDED - The present invention provides a frequency tuning/DC offset canceling circuit for continuous-time analog filter with time division, the frequency tuning/DC offset canceling circuit including: a frequency tuning/DC offset canceling unit for performing frequency tuning by comparing an output voltage with a reference voltage when a frequency tuning control signal is inputted, and canceling a DC offset after terminating the frequency tuning when a DC offset canceling control signal is inputted; and a control signal generator for generating the frequency tuning control signal and the DC offset canceling control signal based on a reference clock in time division. | 03-03-2011 |
20110251256 | USE OF TRIM72 AS A TARGET FOR MUSCLE AND HEART ENHANCER - The present invention relates to a new use of TRIM72 as a target for muscle enhancer and heart enhancer, more particularly to a composition for enhancing muscle or heart comprising an expression or action inhibitor of TRIM72 protein. The present invention further relates to a new TRIM mutant protein inducing muscle differentiation and hypertrophy and its gene. The inventors of the present invention have identified that TRIM72 overexpression inhibits myogenesis whereas TRIM72 knockdown enhances myogenesis, and first elucidated that TRIM72 is a negative regulator of skeletal muscle differentiation. Accordingly, the inhibition of TRIM72 acts exclusively on skeletal muscle and heart muscle, but does not affect IGF-I signaling pathway in other tissues. Therefore, a drug or gene therapy using TRIM72 as a target may be helpful in treating obesity and type 2 diabetes by promoting skeletal muscle differentiation, hypertrophy and energy consumption in adipose tissue and inducing strong muscle by promoting physiological hypertrophy of heart muscle, without cancer or other side effects. | 10-13-2011 |
20120319605 | ILLUMINATION DRIVING APPARATUS - A fixture-compatible, dimmable illumination driving apparatus including: a rectifying unit rectifying a phase-controlled waveform of an alternating current (AC) power; a comparing unit comparing an output waveform of the rectifying unit with a first voltage according to a preset reference clock; a reference voltage generating unit generating a reference voltage corresponding to the number of high signals higher than the first voltage among outputs of the comparing unit during one cycle of the output waveform; and a pulse width modulation (PWM) signal generating unit generating a PWM signal from the reference voltage and a feedback voltage. | 12-20-2012 |
20120319609 | LIGHT EMITTING DIODE DRIVER HAVING OFFSET VOLTAGE COMPENSATING FUNCTION - There is provided a light emitting diode (LED) driver having an offset voltage compensating function compensating for an offset voltage generated at the time of driving of an LED, the LED driver including: a driving unit detecting a current flowing in an LED unit having at least one LED, as a voltage and controlling the current flowing in the LED unit according to a comparison result between the detected voltage and a reference voltage having a preset voltage level; and an offset compensating unit integrating a voltage difference between the detected voltage and the reference voltage and adding or subtracting a compensating current according to an integration result to thereby compensate for an offset. | 12-20-2012 |
20130033191 | LIGHT EMITTING DIODE DRIVING DEVICE AND METHOD THEREOF - There are provided a light emitting diode (LED) driving device allowing for an increase in an LED driving rate by discharging a charge stored in a capacitor during a certain period of time and a method thereof. The LED driving device includes: a driving unit detecting a current, as a voltage, the current flowing across an LED unit having at least one LED, controlling the current flowing across the LED unit according to a comparison result between the detected voltage and a reference voltage having a pre-set voltage level, and having a capacitor stabilizing an operation of the LED unit when the LED unit is driven; and a discharging unit discharging a charge stored in the capacitor during a pre-set discharge time when the LED unit is initially driven. | 02-07-2013 |
20130059602 | LOCATION POSITIONING METHOD AND DEVICE USING WIRELESS LAN SIGNALS - A location positioning methoded device using a wireless LAN signal, comprising: a database that includes a first DB, which matches grid cells distinguished by pCell ID with partial wireless LAN-related information related to a wireless LAN signal and stores the matched information, and a second DB, which stores overall wireless LAN-related information related to the wireless LAN signal; an information reception unit that receives terminal wireless LAN-related information from a terminal, which performs communication by using the WLAN signal; a record determination unit; and a location positioning unit. | 03-07-2013 |
20130165150 | METHOD FOR MEASURING POSITION USING A POSITIONING ACCESS POINT, AND DEVICE, SYSTEM, AND ACCESS POINT FOR SAME - The present disclosure provides in some aspects a method for positioning by a positioning access point, and an apparatus, system and access point for the same. A positioning system includes an AP including a positioning AP for delivering a positioning WLAN signal containing a dedicated positioning information and a telecom AP for delivering a telecom WLAN signal; database for storing an identification information of the access point and a location information belonging to the AP and matching the identification information; terminal for communicating with the AP; and WLAN-based positioning server responsive to a positioning request from the terminal for comparing a parameter of a WLAN signal received from the terminal with an identification information of the positioning AP on a priority basis, and when there is a match of information, granting the location information of the relevant access point the highest priority to determine the location of the terminal. | 06-27-2013 |
20130170382 | METHOD AND DEVICE FOR UPDATING A DATABASE FOR WIRELESS LAN BASED POSITIONING - An apparatus for updating a database for wireless LAN based positioning includes a database for storing grid cells divided by pCell ID and base station-derived environment information and wireless LAN environment information matched to the grid cells; a grid cell determining unit for determining an information-unmeasured grid cell among the grid cells, the information-unmeasured grid cell being a grid cell that has unmeasured information among parameters of the wireless LAN environment information matched to the grid cells; an unmeasured parameter checking unit for checking an unmeasured parameter in the information-unmeasured grid cell; a radiowave environment estimating unit for generating radiowave environment estimation information by estimating the unmeasured information based on the unmeasured parameter checked; and a database updating unit for reflecting the radiowave environment estimation information in the information-unmeasured grid cell determined. | 07-04-2013 |
20130170383 | METHOD AND DEVICE FOR ESTIMATING AP POSITION USING A MAP OF A WIRELESS LAN RADIO ENVIRONMENT - The present disclosure concerns a method and apparatus for estimating AP position using WLAN radiowave environment map. An embodiment includes filter for generating filtering radiowave map with data selected exclusively for having common MAC address from collected WLAN radiowave environment maps; grid-cell divisor for generating grid radiowave map with arbitrary grid cells from dividing the filtering radiowave map; representative-coordinate mapper for calculating centroid of each of grid cells constituting grid radiowave map and mapping each centroid as representative coordinate to each grid cell; representative-signal-strength mapper for calculating representative signal strengths based on data in grid cell and mapping each representative signal strength to grid cell; weight-value sorter for sorting out weight value corresponding to a range covering representative signal strength as received; and position estimator for estimating positional information of APs having common MAC address based on one or more of representative coordinate, representative signal strength, and weight value. | 07-04-2013 |
20130170484 | METHOD AND DEVICE FOR DISCRIMINATING POSITIONING ERROR USING WIRELESS LAN SIGNAL - Apparatus for determining a positioning error includes: database for storing grid cells separated by each pCell ID and WLAN environment information matched to grid cells; information receiving unit for receiving terminal WLAN environment information from mobile communication terminal; identification information checking unit for checking AP identification information included in terminal WLAN environment information; triangulating unit for calculating triangulation coordinate value by performing triangulation with AP position estimation information corresponding to AP identification information; grid cell positioning unit for selecting one or more grid cells corresponding to AP identification information and calculating grid cell coordinate value based on coordinate value corresponding to grid cell selected; and error determining unit for comparing triangulation coordinate value and grid cell coordinate value and determining whether there is positioning error in any one of triangulation coordinate value and grid cell coordinate value. | 07-04-2013 |
20130172010 | METHOD FOR GENERATING IN-BUILDING PROPAGATION ENVIRONMENT MAPS AND DEVICE THEREFOR - An apparatus for generating in-building radiowave environment maps, includes: an in-building map providing unit configured to provide in-building map data to a radiowave measurement device; a reference point setting unit configured to interwork with the radiowave measurement device and set up a reference point of specific area in the in-building map data; a location estimating unit configured to estimate a mobile location of the radiowave measurement device by using motion sensor information received from the radiowave measurement device; a radiowave environment collecting unit configured to collect radiowave environment information from the radiowave measurement device; and an in-building radiowave environment mapping unit configured to generate an in-building radiowave environment map by storing the radiowave environment information onto the in-building map data matchingly with every piece of location estimation information on the mobile location estimated based on the reference point. | 07-04-2013 |
20130177006 | LOCATION AND STATE INFORMATION PROVIDING/INQUIRING SYSTEM USING NEAR FIELD COMMUNICATION, LOG INFORMATION PROVIDING/INQUIRING SYSTEM AND METHOD, SERVICE SERVER AND CUSTOMER TERMINAL, LOCATION AND STATE PROVIDING/INQUIRING METHOD - A location and state information providing/inquiring system using WLAN/WPAN communication, log information providing/inquiring system, service server, customer terminal, location and state information providing/inquiring method, and log information providing/inquiring method are disclosed. System for providing/inquiring location and state information by using WLAN/WPAN communication includes: mobile terminal including WLAN/WPAN communication module for acquiring and transmitting identification information of one or more WLAN/WPAN communication modules of one or more adjacent other terminals; service server for storing identification information of subscriber terminals, receiving identification information of WLAN/WPAN communication modules from mobile terminal, and transmitting list of service subscribers; and positioning server for positioning subscriber terminals of service subscribers, and if one or more service subscribers are selected by mobile terminal based on list received from service server, transmitting location and state information of terminals corresponding to service subscribers selected to mobile terminal. | 07-11-2013 |
20130188508 | POSITIONING DEVICE OF MOBILE COMMUNICATION TERMINAL, METHOD FOR CONSTRUCTING WIRELESS LAN INFORMATION OF DEVICE, POSITIONING SERVER OF MOBILE COMMUNICATION TERMINAL, AND METHOD FOR DRIVING SERVER - Embodiments of the disclosure concern a mobile terminal positioning apparatus, method for establishing wireless LAN information of the apparatus, mobile terminal positioning server, and method for operating the server wherein mobility of access point is determined by using positioning information provided at the request of mobile terminal positioning, updating wireless LAN information in wireless LAN server based on stationary access point to make it available to providing mobile terminal positioning service. Exemplary positioning apparatus includes access point for performing local wireless communications; node information-based server for managing wireless environment information of a node in charge of the mobile terminal communications; wireless LAN server; positioning server for calculating distance between the access point and node or between access point and mobile terminal, and if a certain distance is exceeded, determining the access point to be transportable and deletable, and providing the positioning result on stationary access point basis. | 07-25-2013 |
Patent application number | Description | Published |
20130076253 | LIGHT EMITTING DIODE DRIVING APPARATUS - Disclosed herein is a light emitting diode (LED) driving apparatus including: at least one energy storages connected in series with each other; a plurality of LEDs each connected in parallel with each of the energy storages; and a switching control unit selectively connecting the at least one energy storages according to a level of applied voltage to charge/discharge voltage in/from the selected energy storages and control driving of the LEDs by the charging/discharging operation. Therefore, it is possible to easily drive the LEDs without a converter. | 03-28-2013 |
20130162164 | PWM DRIVING CIRCUIT AND PWM DRIVING METHOD - Provided is a PWM driving circuit and a PWM driving method. The PWM driving circuit includes a dimmer switching unit turning on a first switch to apply a first reference signal varied according to an input voltage of a system when an output voltage level of a dimmer is a reference level or less, and turning on a second switch to apply a second reference signal, unrelated to the input voltage of the system, when the output voltage level of the dimmer is more than the reference level, an error amplification unit comparing the first reference signal or the second reference signal with an output detection signal to amplify an error and outputting an error amplification signal, and a PWM control signal generating unit comparing the error amplification signal of the error amplification unit with a predetermined reference waveform to output a PWM control signal. | 06-27-2013 |
20130169182 | PWM CONTROL CIRCUIT, FLYBACK CONVERTER AND METHOD FOR CONTROLLING PWM - Disclosed herein are a PWM control circuit, a flyback converter, and a PWM control method. The PWM control circuit includes: a peak storing and reference signal generating unit storing a peak value of one period of a feedback signal from a secondary side output and inverting the peak signal arid outputting the inverted peak signal as a reference signal; and a PWM control signal generating unit generating a PWM control signal by using an output obtained by comparing the reference signal with a reference waveform from the peak storing and reference signal generating unit. In addition, the flyback converter including the same and the method for controlling PWM are proposed. | 07-04-2013 |
20140001958 | CIRCUIT, DEVICE AND METHOD OF DIRECTLY DRIVING LED | 01-02-2014 |
20140001980 | CIRCUIT AND METHOD FOR DRIVING LED LIGHT | 01-02-2014 |
20140003098 | PWM CONTROL CIRCUIT FOR DC-DC CONVERTER, FLYBACK CONVERTER, AND METHOD OF CONTROLLING PWM OF DC-DC CONVERTER | 01-02-2014 |
20140184276 | GATE DRIVER - Disclosed herein is a gate driver. The gate driver according to an exemplary embodiment of the present invention includes: a first power switch sourcing current according to voltage applied by a voltage source; a second power switch connected with the first power switch in series and sinking current according to the voltage applied by the voltage source; and a speed booster receiving a voltage pulse from the outside to output peak current so as to make a turn on/off operation of the first power switch fast. As set forth above, according to the exemplary embodiments of the present invention, it is possible to improve the driving speed of the gate driver without increasing the current of the current source by further including the speed booster configured of the plurality of MOSFETs and the capacitor. | 07-03-2014 |
Patent application number | Description | Published |
20130162144 | LIGHT EMITTING DIODE DRIVING APPARATUS - Provided is an LED driving apparatus. The LED driving apparatus includes a plurality of LED groups each comprising one or more diodes, a switch group comprising a plurality of switch units connected respectively to the LED groups to drive the connected LED group when a control signal is activated, and a switch controlling unit configured to compare an input voltage of the LED groups with an output voltage of the LED groups, calculate a comparison value, and generate the control signal according to the comparison value. Accordingly, the LED driving apparatus drives the LED groups selectively according to the difference between the input voltage of the LED group and the output voltage of the LED group, thereby overcoming the problem of heat generation by forward voltage distribution. | 06-27-2013 |
20130162154 | DRIVING APPARATUS FOR LIGHT EMITTING DIODE - There is provided a driving apparatus for a light emitting diode (LED) comparing a rectified power voltage level with an LED current to limit current applied to an LED, thereby reducing the amount of heat generated therein. The driving apparatus for an LED includes a detecting unit detecting a voltage level of rectified power; and a driving unit comparing a level of current flowing in an LED unit having at least one LED with detection results from the detecting unit, and limiting current applied to the LED unit to drive the LED unit according to comparison results. | 06-27-2013 |
20130257305 | LIGHT EMITTING DIODE DRIVING APPARATUS - There is provided a light emitting diode driving apparatus satisfying regulations for current transferred to a light emitting diode. The light emitting diode driving apparatus includes: a power supplying unit receiving input power to convert the input power into a preset driving power and supplying the driving power to a light emitting diode unit including at least one light emitting diode; a detecting unit receiving the driving power supplied to the light emitting diode unit to detect voltage flowing in the light emitting diode unit; a controlling unit comparing detection voltage detected by the detecting unit with a preset reference voltage to control a power conversion operation of the power supplying unit; and a driving unit driving the power conversion operation according to controlling by the controlling unit. | 10-03-2013 |
20140001973 | LIGHT EMITTING DIODE DRIVING APPARATUS | 01-02-2014 |
20140035473 | ILLUMINATION DRIVING APPARATUS FOR LIGHT EMITTING DIODE AND METHOD THEREOF - There is provided an illumination driving apparatus for a light emitting diode, the apparatus including: a light emitting unit including M number of light emitting diodes (LEDs) connected in series and driven by an output voltage rectified in a rectifying unit; an LED switch unit including N number of LED switches connected in parallel with at least N number of the M LEDs, respectively, and connected in series; an LED switch control signal generating unit comparing the output voltage of the rectifying unit with each of the first to Nth preset reference voltages to generate N number of LED switch control signals controlling the LED switch unit; and an LED switch controlling unit transferring the N number of LED switch control signals to the LED switch unit. | 02-06-2014 |
20140035476 | LIGHT EMITTING DIODE DRIVING APPARATUS - There is provided a light emitting diode driving apparatus capable of supplying a constant average current to a light emitting diode by generating a reference voltage used for driving the light emitting diode according to input power and a switching signal switching a path of a current supplied to the light emitting diode. The light emitting diode driving apparatus includes: a reference voltage generating unit generating a reference voltage set based on input power and a switching signal for supplying driving power to a light emitting diode; and a driving unit supplying the driving power to the light emitting diode according to the reference voltage. | 02-06-2014 |
20140184077 | LIGHT EMITTING DIODE DRIVING APPARATUS - There is provided a light emitting diode (LED) driving apparatus configured such that a waveform of current input to an LED follows a sine wave, the LED driving apparatus including, a switching unit switching an LED unit having a plurality of LEDs receiving rectified power and emitting light, a driving control unit controlling the switching of the switching unit according to a voltage level of the rectified power, a current limiting unit limiting current flowing in the LED unit, and an adjusting unit adjusting current limitation of the current limiting unit according to the voltage level of the rectified power. | 07-03-2014 |
20140368119 | LIGHT EMITTING DIODE LIGHTING APPARATUS AND DRIVING METHOD THEREOF - There is provide a light emitting diode lighting apparatus capable of being generally used in various kinds of dimmer, the apparatus including: a dimmer varying waveforms of input power according to a dimming signal; a bleeder adjusting a bleeding current under control; a controller comparing a latching current of the dimmer with the bleeding current of the bleeder to control the amount of the bleeding current; and an LED driver receiving a current other than the bleeding current flowing through the bleeder from among the currents from the dimmer to driver a light emitting diode (LED). | 12-18-2014 |