摘要:
Provided are a Social Network Service (SNS) function integration operation method and a system supporting the same. The SNS function integration operation system, includes a plurality of SNS servers providing a plurality of SNS information; and a portable terminal for subscribing to the plurality of SNS servers in order to receive the plurality of SNS information and provide a plurality of SNS functions corresponding to the plurality of SNS information, and providing at least one of an SNS integration operation user interface that integrates a list of the plurality of SNS functions and the plurality of SNS information, and for providing an SNS information screen corresponding to a detailed view of SNS information selected from the plurality of SNS information.
摘要:
An apparatus and a content playback method of playing content of a wired/wireless network-connectable apparatus, includes discovering a connectable device with the apparatus through the wired/wireless network using an application provided in the apparatus, finding executable content from the discovered device, displaying a content metaphor corresponding to the found content and a device metaphor corresponding the discovered device on a first screen of the apparatus, and executing the found executable content through the discovered device.
摘要:
The present invention relates to power supplies, and more particularly, to a power supply having a maximum power point tracking function that controls power switching so that a detected power value is within a reference range having a maximum power point in a predetermined current-voltage curve. A power supply having a maximum power point tracking function according to an aspect of the invention includes: a converter section switching input power and converting the switched input power into predetermined DC power; and a maximum power point tracking section detecting a power value determined according to a switching operation of the converter section among power values included in a predetermined power-voltage curve, and controlling the switching operation of the converter section so that the detected power value is located within a predetermined reference range having a maximum power value among the power values included in the power-voltage curve.
摘要:
Provided is a choke coil including: a first primary winding portion formed by winding a primary coil by n turns; a second primary winding portion formed by winding the primary coil by N turns; a first secondary winding portion formed by winding a secondary coil by N turns; and a second secondary winding portion formed by winding the secondary coil by n turns, wherein the n and N satisfy the condition: n≦N.
摘要:
There is provided a backlight unit driver capable of driving multi-channel lamps of a backlight unit, especially LED lamps, by supplying a driving power to the lamps using a single transformer and maintaining the current balance of the driving power supplied to each of the lamps.
摘要:
The present invention relates to power supplies, and more particularly, to a power supply having a maximum power point tracking function that can reduce manufacturing costs and circuit size by using a maximum power point tracking section with a simplified circuit in a solar photovoltaic power generator supplying power using sunlight instead of using a micro controller, the maximum power point tracking section that controls power switching according to a result of integration of a value obtained by dividing a power variation by a voltage variation to track a maximum power value. A power supply having a maximum power point tracking function according to an aspect of the invention may include: a converter section switching input power, and converting the switched input power into predetermined DC power; and a maximum power point tracking section detecting a voltage and a power value of the input power, dividing a variation of the detected power by a variation of the detected voltage, integrating a result of the division, and controlling the switching operation of the converter section according to a value of the integration.
摘要:
Provided is a method for a user terminal to visualize information for making a decision in a user group. The method includes inputting a selection range of a first user of the user terminal over at least one criterion related to the decision-making, receiving information about selection ranges over at least one criterion related to the decision-making of other group members in the user group, extracting a filtered selection range by performing filtering based on at least one of the first user's selection range and the information about other group members' selection ranges; extracting candidates for decision-making that match the filtered selection range, and visually presenting the extracted candidates for decision-making. And at least one of the preferences for the visually presented candidates and the selection ranges over at least one criterion may be visually presented by matching with each group member.
摘要:
There is provided a high voltage power supply capable of reducing voltage stress of a voltage multiplying device. The high voltage power supply includes: a power converter switching on/off and converting an input direct current power into a direct current power having a preset voltage level; and a voltage multiplier including a first multiplying cell multiplying the voltage level of the direct current power from the power converter, wherein the first multiplying cell includes: first and second capacitors charging the direct current power from the power converter, respectively; a first diode providing a path for transferring the direct current power when the power converter is switched off; and a second diode providing a path for transferring the direct current power when the power converter is switched on.
摘要:
The power supply includes: an electromagnetic interference filter including a first filter which has a pair of electromagnetically coupled cores having at least two leg parts, first and second bobbins each having a tube-shaped body part having a penetration hole into which each of the leg parts is inserted and having a winding region defined as the circumference of the outer peripheral surface of the body part, and first and second coils respectively wound around the first and second bobbins to remove common mode electromagnetic interference included in power transmitted from a power line, the electromagnetic interference filter removing differential mode electromagnetic interference due to leakage inductance formed due to the leakage of magnetic flux flowing through the cores; a power factor corrector correcting a power factor of the power where the electromagnetic interference is removed; and a power converter switching the power-factor-corrected power into a driving power having a predetermined voltage level.