Abstract: A driving apparatus for a display is provided. The driving apparatus for a display comprises a reference voltage generator, a digital-to-analog converter, and an output unit. The reference voltage generator generates a plurality of reference voltages, and receives a difference value between two adjacent reference voltages and generates a plurality of sub reference voltages. The digital-to-analog converter selects one of the reference voltages and outputs the selected reference voltage as a first analog signal. The digital-to-analog converter selects one of the sub reference voltages and outputs the selected reference voltage as a second analog signal. The output unit processes, by addition or subtraction, the first and second analog signals for output.

Abstract: A method and apparatus for notifying status of an MN in a WLAN system using VLC are provided, in which an AP allocates a first predetermined number of time slots per frame as unallocated slots, for status notification of an initially accessing MN and allocates a second predetermined number of time slots per frame as reserved slots, for status notification of an initially accessing MN and uplink data transmission of an MN, and the MN transmits a visible light signal carrying status information about the MN in one of an unallocated slot and a reserved slot, if the MN initially accesses the AP.

Abstract: The present invention discloses a refrigerator inventory management method using a mobile phone. The inventory management method of the present invention includes updating, at the refrigerator, storage information on items stored in the refrigerator by scanning RF tags attached to the items whenever a door of the refrigerator is opened, transmitting the storage information to a mobile terminal, updating the storage information stored in the mobile terminal with the storage information transmitted from the refrigerator, and displaying, comparatively, the items of the updated storage information and items for the specific list set by a user or registering the items included in the specific list but not in the updated storage information as purchase information. In another aspect if there is a recipe for food preparation available from a website, the mobile terminal registers the items included in the recipe but which are not in the updated storage information as purchase information.

Abstract: Disclosed herein is an Active Matrix Organic Light-Emitting-Diode (AMOLED) drive circuit using transient current feedback. The AMOLED drive circuit includes a current Digital-to-Analog Converter (DAC), a data line drive transistor, a constant current source, a variable current source, a differential amplifier, and a transient charging current control unit. The DAC generates current corresponding to input digital data. The data line drive transistor is configured such that the drain terminal thereof is connected to the output node of the current DAC. The constant current source is connected between the source terminal of the data line drive transistor and a ground. The variable current source is connected between both the output node of the current DAC and the drain terminal of the drive transistor, and a voltage source. The differential amplifier is configured to input the output voltage thereof to the gate terminal of the drive transistor.

Abstract: A method to deposit a thin film on a flexible polymer substrate at room temperature comprising heating source vapor, which is vaporized by an evaporator, in a shower head in a reaction chamber so that the source vapor is thermally decomposed to be converted into the nano-size single phase; and depositing the source vapor in the nano-size single phase on the flexible polymer substrate which is not separately heated.

Abstract: Apparatuses and methods for processing a bandwidth request in a multihop relay Broadband Wireless Access (BWA) communication system are provided. A communication method of a Relay Station (RS) includes determining a number of bandwidth request ranging codes received from Subscriber Stations (SSs); and reporting the number of the bandwidth request ranging codes to a Base Station (BS). A communication method of the BS includes allocating a resource to an RS to report on a number of detected bandwidth request ranging codes; and receiving a report on the number of the bandwidth request ranging codes using the allocated resource.

Abstract: Provided are a method, a device, and a system for displaying at least one character for identifying a caller, together with the caller's phone number, on a recipient's mobile phone when an incoming call is received. The system includes a caller's mobile phone for allowing the caller to input a recipient's phone number and at least one character desired to be added after the phone number, generating an outgoing call message including the caller's phone number, recipient's phone number and input word or phrase for an outgoing call, and sending the generated message; a base station for receiving the outgoing call message, and changing the outgoing call message to an incoming call message which will be sent to the recipient's mobile phone; and the recipient's mobile phone for receiving the incoming call message and outputting any word or phrase included in the incoming call message.

Abstract: Provided is a self-pulsating laser diode including: a distributed feedback (DFB) section serving as a reflector; a gain section connected to the DFB section and having an as-cleaved facet at one end; a phase control section interposed between the DFB section and the gain section; and an external radio frequency (RF) input portion applying an external RF signal to at least one of the DFB section and the gain section.

Abstract: Provided are a data driving circuit of an organic light emitting display and an organic light emitting display comprising the same. The organic light emitting display comprises a reference pixel controller, a data driver, and a display panel. The reference pixel controller comprises a light detector for detecting an amount of light emission of a reference pixel and outputting a first control signal thereof and a reference current controller for outputting a second control signal controlling an amount of a reference current according to the first control signal. The data driver comprises a current source for outputting a current having the same amount as the reference current according to the second control signal and a digital-analog converter for outputting a data current by scaling the current having the same amount as the reference signal to be proportioned to a data signal.

Abstract: Provided are an apparatus and a method for providing a ring back tone in a mobile communication terminal. Character information is received through a wireless data communication or generated through a user input. The character information is transformed into voice using a text-to-speech transformer and then provided as a ring back tone.

Abstract: Herein are disclosed a magic code for marketing and a medium using the magic code.

Abstract: Disclosed are a method and a mobile terminal for outputting an automatic response message informing a caller of a user's (i.e. recipient's) current schedule when the user is unable to answer an incoming call. The method includes receiving an incoming call, determining whether an automatic response key is pressed to output an automatic response message with implementation of the schedule management function, detecting any schedule information corresponding to the current time by reference to a schedule management table when the automatic response key is pressed, and sending a schedule informing message including the detected schedule information to a caller's terminal.

Abstract: Disclosed is a mobile terminal having an expedient telephone number editing and dialing function. When a user presses a SEND key during the display of a telephone number detected from a phonebook, the mobile terminal detects a SEND key input pattern and processes the telephone number according to the SEND key input pattern. Particularly, when the SEND key is pressed in a predetermined telephone number editing pattern, the mobile terminal initiates a mode for editing the telephone number so that the user can easily edit the telephone number, for example, by adding a specific code or digit, without the need for excessive key-pressings to select the telephone number editing mode.

Abstract: A digital-to-analog converter comprises a current supplier, a current divider dividing current supplied from the current supplier into certain amounts, an inverter outputting inverted signals of input signals and non-inverted signals, a switch controlling a flow of the current divided into the certain amounts by the current divider according to the inverted signals and the non-inverted signals, and a current output block adding up the current divided into the certain amounts according to the non-inverted signals to output an analog signal. The digital-to-analog converter can be implemented on a small chip area with desired resolution.

Abstract: Provided is an apparatus and method for determining a data transmission rate in consideration of the queue length of a Relay Station RS in a multi-hop relay system. A Base Station BS apparatus of the multi-hop relay system includes a receiver and a calculator. The receiver receives channel condition information and queue length information for a Mobile Station MS from an RS. The calculator of the BS apparatus determines a data transmission rate between the BS and the RS for data of the MS using the channel condition information and the queue length information.

Abstract: Provided is an apparatus and method for simultaneous optical wavelength conversion and optical clock signal extraction using semiconductor optical amplifiers (SOAs).

Abstract: Provided is a system and method for implementing a multimedia service using a remote device for a mobile terminal. The method includes the mobile terminal transmitting data for the multimedia service to the remote device capable of providing high display and sound quality output and the remote device outputting high-quality multimedia data of the mobile terminal in terms of display and sound qualities, thereby effectively providing the multimedia service to users.

Abstract: Disclosed is an indoor unit for an air conditioner to solve drain problem of condensed water. The indoor unit includes: a lower frame provided with a suction inlet through which exterior air is inhaled; a middle frame spaced upward apart from the lower frame by a predetermined distance; an indoor heat exchanger for performing heat exchange; and a drain pan for collecting and draining condensed water generated in the indoor heat exchanger, the drain pan being mounted selectively on the lower frame or the middle frame.

Abstract: Disclosed is a method for selecting a communication network by a wireless terminal, the method including receiving a signal having a predetermined reception power level from one or more communication networks, and calculating a guaranteed data rate of each of said one or more communication networks by using the predetermined reception power level of the signal; comparing the calculated guaranteed datarate with a minimum guaranteed datarate; and calculating a selection factor value of each of said one or more communication networks by using the guaranteed datarate when all guaranteed datarate of said one or more communication networks are equal to or greater than the minimum guaranteed datarate, and selecting a communication network having a lowest selection factor value.

Abstract: Disclosed is a stock account/order/market price inquiry service method using a mobile terminal that is able to perform a stock account/order/market price inquiry service through a mobile terminal using a stock chip. A stock account/order/market price inquiry service method comprising the steps of: (1) displaying a lower menu page on a mobile terminal of the stock account/order service after a PIN authentication; (2) generating an account/order service request message on the basis of stock chip information read from a stock chip and service request information corresponding to the lower menu and then transmitting the same to a relay server; and (3) receiving a service response message corresponding to service request message from the relay server and displaying the same on the screen of a mobile terminal.