Abstract: A fault diagnosis system, method, and apparatus are provided that diagnose a broken appliance and repair the broken appliance using voice communication. The method includes generating monitoring information, based on a current state of the appliance; generating first mix data by mixing the monitoring information and sound data; outputting the first mix data to a mobile communication terminal; receiving second mix data from the mobile communication terminal, when the monitoring information indicates that the appliance has a fault; extracting recovery data from the second mix data; and repairing the fault of the appliance using the recovery data.

Abstract: A method and apparatus for providing location information are provided. The method includes receiving data including reference sound information from at least one external device; receiving location information request data including sound information from the mobile device; detecting similar reference sound information to the sound information based on a comparison of the sound information to the reference sound information; determining location in formation of an external device that transmitted the similar reference sound information; and transmitting the determined location information to the mobile device.

Abstract: A content processing apparatus using sound includes a sound processor configured to generate acoustic sound for a locality check when an event in which locality check is to be executed is generated, a speaker configured to output the acoustic sound, a microphone configured to receive response sound output from an external apparatus which receives the acoustic sound, and a controller configured to determine the external apparatus which outputs the response sound as a peripheral apparatus.

Abstract: According to one embodiment, a method for access configuration in a wireless network includes acquiring authentication information of a digital device and information needed to access an Access Point (AP) of the digital device, from a Radio Frequency IDentifier (RFID) tag, and accessing the AP.

Abstract: Disclosed are a wearable device and a method of controlling the wearable device. The wearable device includes a sensor unit configured to detect at least one movement of the wearable device, and a control unit configured to determine a state of the wearable device based on the at least one detected movement, and to control, based on the determined state, the wearable device to operate in a first mode of performing a preset function of the wearable device or in a second mode of not performing the preset function.

Abstract: A method for embedding digital information into an audio signal, is provided. The method includes dividing the digital information into low-priority data and high-priority data; dividing the audio signal into first and second signal parts; embedding at least one echo signal into the first signal part; embedding a communication signal modulated with low-priority data, which has a spectrum according to psychoacoustic analysis of the second signal part, into the second signal part; and combining the embedded first and second signal parts.

Abstract: A wireless connection method between a plurality of electronic devices using an out of band channel is provided. The wireless connection method includes receiving a first hash value through the out of band channel, receiving device identification information of electronic devices in proximity to an electronic device through a main wireless channel, calculating hash values of the device identification information, and performing a wireless connection of the electronic device with a surrounding electronic device that has the hash value identical to the first hash value among the calculated hash values.

Abstract: An apparatus and a method for reducing battery consumption of a mobile terminal are provided. The method includes calculating a current location of the mobile terminal, route information to a destination, and an alarm period for determining whether the mobile terminal has arrived at the destination or at a nearby region of the destination, if the destination is input, and deactivating a locating module before the alarm period has elapsed, determining whether the mobile terminal has arrived at the destination or the nearby region of the destination if the alarm period has elapsed, and notifying the user that the mobile terminal has arrived at the destination or the nearby region of the destination if the mobile terminal has arrived at the destination or the nearby region of the destination.

Abstract: A content processing apparatus using sound includes a sound processor configured to generate acoustic sound for a locality check when an event in which locality check is to be executed is generated, a speaker configured to output the acoustic sound, a microphone configured to receive response sound output from an external apparatus which receives the acoustic sound, and a controller configured to determine the external apparatus which outputs the response sound as a peripheral apparatus.

Abstract: A method and apparatus for detecting location information using a navigation algorithm are provided. The method includes searching for neighboring Global Positioning System (GPS) satellites, receiving, if at least one GPS satellite is detected, pseudo-range information from at least one of the detected GPS satellites and storing the received pseudo-range information, calculating a displacement of a pedestrian terminal based on step detection of a pedestrian, correcting the calculated displacement of the pedestrian terminal using the received pseudo-range information, and measuring the location of the pedestrian terminal is measured using the corrected displacement.

Abstract: A fault diagnosis system, method, and apparatus are provided that diagnose a broken appliance and repair the broken appliance using voice communication. The method includes generating monitoring information, based on a current state of the appliance; generating first mix data by mixing the monitoring information and sound data; outputting the first mix data to a mobile communication terminal; receiving second mix data from the mobile communication terminal, when the monitoring information indicates that the appliance has a fault; extracting recovery data from the second mix data; and repairing the fault of the appliance using the recovery data.

Abstract: Context recognition methods and apparatus are provided for an application processor and a micro control unit. It is determined whether an operation switch condition for switching to a sleep mode is satisfied. A request for execution of a context recognition function is sent to a micro control unit, when the operation switch condition is satisfied. The application processor switches to the sleep mode, when the context recognition function is executed by the micro control unit. The micro control unit collects sensor data at previously stored time intervals, and previously stored state information is updated based on the sensor data.

Abstract: A method and apparatus for providing location information are provided. The method includes estimating location information is estimated, calculating an error value of the estimated location information, controlling activation of a location determination module according to the error value, and providing location information using at least one of the estimated location information and location information determined by the location determination module.

Abstract: An apparatus and a method for detecting a heading change of a navigating body to which a mobile terminal has been attached are provided. The mobile terminal includes at least one measure unit and a change vector calculator. The at least one measure unit measures at least one of an acceleration of gravity component vector and a rotational axis component vector, with respect to a rotation of the navigating body, on a terminal coordinate system that is fixed in the mobile terminal. The change vector calculator calculates a horizontal heading change vector and a vertical heading change vector based on at least one of the acceleration of gravity component vector and the rotational axis component vector.

Abstract: A method and apparatus for providing location information are provided. The method includes receiving data including reference sound information from at least one external device; receiving location information request data including sound information from the mobile device; detecting similar reference sound information to the sound information based on a comparison of the sound information to the reference sound information; determining location in formation of an external device that transmitted the similar reference sound information; and transmitting the determined location information to the mobile device.

Abstract: A method determines a heading angle of a user terminal in a Wireless Local Area Network (WLAN) system. The method includes examining whether a rotation of a user is detected, upon detecting the rotation, attaining a movement direction vector at a time when the rotation is detected, and attaining the heading angle by using the movement direction vector at the time when the rotation is detected.

Abstract: An apparatus and method for estimating a step length of a user are provided. The apparatus and method use a step length estimation algorithm, e.g. a step length estimation parameter coefficient, according to a movement state of a user, i.e. whether the movement state is a walking state or a running state. The movement state of the user is determined on the basis of an acceleration variance value of an acceleration signal output from an accelerometer. Accordingly, the apparatus and method prevent errors in step length determinations.

Abstract: A method and apparatus for determining accuracy information of location information. The method includes receiving Global Positioning System (GPS) location information of a user terminal from a GPS, determining whether the user terminal enters into a GPS shadow area, checking terminal movement information including a moving speed and a moving direction of the user terminal, when the user terminal enters into the GPS shadow area, estimating location information of the user terminal based on the terminal movement information, checking auxiliary location information including a moving state of the user terminal, error information of a terrestrial magnetism sensor, and the moving speed of the user terminal, and determining the accuracy information based on an accumulated location error of the estimated location information, based on the auxiliary location information.

Abstract: Disclosed are an apparatus and a method for normalizing an image of a driver's face in a predetermined size on the center of a monitor by automatically controlling a lens when the image of the driver's face is detected. The apparatus includes a lens for photographing a driver's face, a first motor for moving the lens in a forward or rearward direction in order to adjust a zoom parameter, a second motor for moving the lens in a horizontal or vertical direction in order to adjust a pan parameter or a tilt parameter, and a controller for extracting an initial face area from a photographed image and controlling operations of the first motor and the second motor according to the extracted initial face area.

Abstract: A pedestrian navigation device and method uses heading information of a terminal to measure a location. Moving direction information and x, y, and z-axis acceleration values of the terminal are detected. Heading information is calculated using the moving direction information of the terminal. Validity of the heading information is determined using the detected x, y, and z-axis acceleration values, making it possible to more accurately estimate the location of the pedestrian.