Abstract: Provided is an analog-to-digital converter. The analog-to-digital converter includes a resistor string for generating a plurality of reference voltages; a plurality of differential difference amplifiers for detecting zero-crossing points according to interpolation by using the plurality of reference voltages and input signals; and a plurality of comparators for receiving outputs of the plurality of differential difference amplifiers, detecting zero-crossing points according to 4X interpolation, and generating a digital code corresponding to the input signals.

Abstract: Provided is a method and apparatus for generating and consuming sensory effect media. The method for generating sensory effect media includes receiving sensory effect information about sensory effects that are applied to media, and generating sensory effect metadata including the received sensory effect information.

Abstract: Provided is a method and apparatus for representing sensory effect. The method includes: receiving preference information for predetermined sensory effect from a user; and generating user's sensory effects preference metadata including the preference information. The user's sensory effects preference metadata comprises light preference type information, flash preference type information, heating preference type information, cooling preference type information, wind preference type information, vibration preference type information, scent preference type information, fog preference type information, sprayer preference type information, and rigid body motion preference type information.

Abstract: Provided is a method and apparatus for representing sensory effect. The method includes: receiving capability information for sensory device; and generating sensory device capability metadata including the capability information. The sensory device capability metadata comprises light capability type information, flash capability type information, heating capability type information, cooling capability type information, wind capability type information, vibration capability type information, scent capability type information, fog capability type information, sprayer capability type information, and rigid body motion capability type information.

Abstract: Provided is a real-time wireless communication method for guaranteeing quality of service in a wireless personal area network (WPAN). When real-time data transmitted in a time slot of a current superframe has an error, a terminal, which was designated as a coordinator from among a plurality of terminals in a WPAN, allocates a time slot for retransmitting the real-time data to a next superframe and retransmits the real-time data in the allocated time slot of the next superframe. Therefore, quality of a real-time communication service in a WPAN can be guaranteed.

Abstract: It is possible to intuitively determine whether to control transmission power of a current data transmission rate mode or to change the data transmission rate mode by extracting an automatic gain controller (AGC) index after driving algorithm of an AGC, recognizing a channel clear assessment (CCA) status by using the extracted AGC index, and generating link quality indicator (LQI) information to be transmitted from a physical layer to a media access control (MAC) layer by using the AGC index, when the CCA status is high, in order to embody effective piconets in a multi-band orthogonal frequency division multiplexing ultra-wide band system (MB-OFDM UWB system) including a receiver having a dynamic gain controller(DGC) and the AGC.

Abstract: Provided are a capsule endoscopy system, a medical system, and an operation method of the medical system. A control device outside a human body and two or more implantable medical devices (e.g. capsule endoscopes) form a network with each other, and the two or more implantable medical devices divisionally perform investigation, identification, and treatment while cooperating with each other, by controlling the control device outside the human body.

Abstract: An apparatus for multicasting contents between devices in different networks includes: a home-to-home multicast control device for finding the devices in the networks, downloading contents from a device in a network to which the home-to-home multicast control device belongs, processing the contents to generate file blocks, each file block having chunk files, and multicasting the processed contents to the devices in the networks; and at least one home-to-home multicast bridge device for receiving the contents transmitted from the home-to-home multicast control device and streaming the contents to one or more devices in a network to which the home-to-home multicast bridge device belongs. The apparatus further includes a multicast relay device for relaying the contents between the home-to-home multicast control device and the home-to-home multicast bridge device.

Abstract: A SMMD media producing apparatus includes: a pre-processor for extracting first media data and produces MXF media data with adjusted resolution using media data of an MXF format; and a neo-data producer for extracting second media data from the MXF media data with the adjusted resolution and produces neo-data to be added to the extracted second media data. The apparatus further includes a media publisher for producing SMMD media data using the neo-data produced by the neo-data producer and the first media data.

Abstract: Provided is a method for adjusting Fast Fourier Transform (FFT) window positioning in a Multi Band Orthogonal Frequency Division Multiplexing Ultra-Wideband (MB-OFDM UWB) system. The method includes the steps of acquiring an initial FFT window position and a frequency hopping position, demodulating a received signal by using the initial FFT window position and the frequency hopping position acquired in the acquiring step, transmitting received data information to a Media Access Control (MAC) layer with a reception frame (RX frame) structure and judging at the MAC layer whether or not a packet error is occurred based on Frame Check Sequences (FCSs), and if no packet error is occurred, returning to the demodulating step, and if the packet error is occurred, changing a register map by using a predetermined interface line in a MAC-physical layer (MAC-PHY) interface to thereby adjust the FFT window position and the frequency hopping position, and then returning to the demodulating step.

Abstract: Provided are a multimedia playing system and a method for playing multimedia using the system. The system includes a first multimedia player, a second multimedia player, and a user interface. The first multimedia player includes a first media controller controlling plays of a first video and a first audio in response to multimedia data received from an external device. The second multimedia player includes a second media controller operating independently of the first multimedia player and controlling plays of second video in response to the multimedia data. The user interface transmits synchronization information to the first and second media controller.

Abstract: A communication apparatus generates a digital detection signal including a plurality of time symbols by digital-converting a detection signal corresponding to a received signal, estimates an average power value of the detection signal by calculating average power of the digital detection signal based on the digital detection signal, and performs UWB communication through a predetermined first channel when a predetermined reference power value is greater than the average power value.

Abstract: A system for the orchestral media service which receives the orchestral media having multiple tracks and neodata from a media service provider and shares the data with multiple connected devices to play, includes: a client engine that parses the orchestral media to separate into each audio/video and neodata, combines the audio/video into one resource to play, synchronizes with the connected devices with a basis of the playback time of the main audio/video, analyzes the neodata, maps the neodata into control command to transfer to the connected devices, and outputs the mapped control command; and a communication interface that performs connection with the devices having respective communication systems and transfers the control command to the connected devices.

Abstract: Provided is a contents search apparatus and a method thereof. The contents search apparatus includes a query word preprocessing module expanding an inputted query word; and a search module searching for contents of a tag corresponding to the expanded query word. The contents search method includes expanding an inputted query word; and searching for contents tagged using a tag corresponding to the expanded query word.

Abstract: The invention provides a PCB type dual band patch antenna and a wireless communication module incorporating the antenna. The antenna includes a substrate. A ground pattern is formed on the substrate. A radiating patch is formed on the substrate to be spaced apart from the ground pattern at a predetermined distance. The radiating patch includes an input arm and a main radiator which are divided by a slot with ‘L’ and inverse ‘L’ shapes combined. The main radiator has an open terminal opposing the input arm across the slot. Also, a feeding part is connected to the input arm of the radiating patch to apply an electrical signal to the radiating patch. Further, wireless devices are integrally mounted on the PCB substrate used for the antenna, thereby achieving a high efficiency and wide-bandwidth dual band patch antenna and a minimal-sized and low-cost wireless communication module.

Abstract: A 2N-point and N-point FFT/IFFT dual mode processor is provided. The processor includes a butterfly operator, the first and second MUXs, and the first and second N-point FFT processors. The butterfly operator receives 2N data and butterfly-operates on the received 2N data when receiving a control signal ‘0’ from the controller. The first and second MUXs respectively receive results from the butterfly operator to output the results in an increment of N when receiving a control signal ‘0’ from the controller, and respectively outputs different N data when receiving a control signal ‘1’ from the controller. The first and second N-point FFT processors N-point FFT operate on the results from the first and second MUXs and respectively output the same under control of the controller. Since the N-point FFT operation can be simultaneously performed two times at a receiver, the performance of the receiver can be enhanced.

Abstract: A system for controlling a plurality of sensory devices includes a plurality of end devices having the plurality of sensory devices connected thereto, respectively, each end device generating an IR control signal to execute a sensory devices so as to present sensory effects; a multi-device controller for managing IR control codes as profiles, and issuing a device control command to control the sensory device on the basis of the sensory effect metadata; and a ZigBee coordinator for parsing the device control command from the multi-device controller, determining the sensory device to be controlled depending on the parsed control command and transmitting a control message corresponding to the parsed control command to the end device having the determined sensory device connected thereto through ZigBee communication.

Abstract: A method for gap analysis for topology inspection to recognize a topology of a deep segment through gap discovery in an Ethernet network, includes: a gap division process of dividing a gap into atomic gaps that are no longer divided through path crossing test (PCT); and a gap interpretation process of analyzing a final result of the PCT when the atomic gap is generated, to interpret a topology of the gap.

Abstract: A system for presenting real-sense effect of multi-device video based on MPEG-4 single media includes a transmission apparatus for extracting objects from MPEG-4 media, analyzing behavior patterns of the objects to recognize situation of the behavior patterns of the objects based on an ontology profile, generating real-sense effect metadata depending on the recognized situation, and producing the real-sense effect metadata, the ontology profile and the MPEG-4 media along with document and action script into a single media for the transmission thereof; and reception apparatus for extracting, upon receipt the single media, the real-sense effect metadata from the received single media, collecting real-sense effect devices existing in reproduction environments, analyzing how to control any of the real-sense effect devices based on the ontology profile, and presenting the real-sense effect by using the real-sense effect devices.

Abstract: The present invention relates to a system and method for providing a multimedia service, which support event based home network service mobility through a Radio Frequency Identification (RFID) tag. The system for providing a multimedia service, includes a RFID tag, and a home server for performing a login authentication operation using RFID tag information provided from the RFID tag, storing service usage information of a multimedia service provided for a login user, and providing a corresponding multimedia service based on the service usage information of the multimedia service when a multimedia service is requested again.