Abstract: Provided are a connector and a blind mating connector including the same. The connector in accordance with the present invention includes a hollow body formed by bending a metal plate that is manufactured by press-processing a raw plate, a dielectric part built in the body, a signal pin passing through the dielectric part, a plurality of contact parts extending from both ends of the body, respectively, with a slit therebetween, a connection part defined in the body and at which both side ends of the metal plate are met and coupled, and an extension contact part bent and extending from one end of the contact part in a direction opposite to an extension direction of the contact part to face the contact part.

Abstract: A brushless motor includes a rotor in which permanent magnets are provided on an inner circumferential surface of a rotor core, and a stator in which teeth are provided on respective ends of stator cores around each of which a coil is wound. Each of the teeth is formed such that the distance between a facing surface which faces the permanent magnet and an inner circumferential surface of the permanent magnet is increased from the center of the tooth to the end thereof. Therefore, the rate of variation in magnetic resistance in response to variation in position of the rotor can be minimized, whereby cogging torque can be markedly reduced.

Abstract: Provided are a signal processing method and apparatus for enhancing sound quality. The signal processing method performed by a signal transmitting apparatus includes determining, based on a plurality of parameters, a valid bandwidth so as to encode an input signal; performing pre-processing on the input signal, based on the valid bandwidth; and encoding the pre-processed input signal, based on the valid bandwidth, and the signal processing method performed by a signal receiving apparatus includes decoding a bitstream or a packet received via a transmission channel; determining a valid bandwidth, based on a plurality of parameters used in the decoding; and performing post-processing on a decoded signal, based on the valid bandwidth.

Abstract: An apparatus for cooling an inverter of a vehicle which receives power supplied from a vehicle battery and controls the rotation speed of a motor, wherein the apparatus includes an inverter housing configured to support the inverter, and a heat dissipation unit provided at a predetermined position in the inverter housing and configured to come into contact with an outer circumferential surface of the capacitor so that heat of the capacitor is transferred to the inverter housing.

Abstract: A method and apparatus for transmitting multimedia data are provided. A first device, which provides an audio signal to a second device, includes: a control unit that divides an audio signal input to the first device into a plurality of audio frames, compares a current audio frame among the plurality of audio frames with the at least one previous audio frame prestored in the memory of the first device, and selects one of the prestored previous audio frames based on similarity of the prestored previous audio frame and the current audio frame; and a communication unit that transmits an identification value of the selected previous audio frame to the second device.

Abstract: Disclosed are a user terminal device and a control method therefor. The control method for a user terminal device according to the present invention comprises the steps of: determining state information of a satellite device connected with a user terminal device when a call request message is received from another terminal device; determining communication configuration information with the another terminal device on the basis of the state information of the satellite device, and transmitting a call response message including the communication configuration information to the another terminal device; and receiving audio data from the another terminal device according to a communication scheme corresponding to the communication configuration information. Therefore, in comparison with the prior art, the present invention can reduce a call negotiation time between user terminal devices, and thus reduce a call cost.

Abstract: Disclosed herein is an apparatus for cooling an inverter of a vehicle which receives power supplied from a vehicle battery and controls the rotation speed of a motor. The apparatus includes an inverter housing configured to support the inverter, and a heat dissipation unit provided at a predetermined position in the inverter housing and configured to come into contact with an outer circumferential surface of the capacitor so that heat of the capacitor is transferred to the inverter housing.

Abstract: Provided are a connector and a blind mating connector including the same. The connector in accordance with the present invention includes a hollow body formed by bending a metal plate that is manufactured by press-processing a raw plate, a dielectric part built in the body, a signal pin passing through the dielectric part, a plurality of contact parts extending from both ends of the body, respectively, with a slit therebetween, a connection part defined in the body and at which both side ends of the metal plate are met and coupled, and an extension contact part bent and extending from one end of the contact part in a direction opposite to an extension direction of the contact part to face the contact part.

Abstract: A playout delay adjustment method includes: adjusting a playout delay surplus based on a difference value between a first playout delay obtained in a first scheme and a second playout delay obtained in a second scheme and determining an adaptation type of a current frame according to whether a previous frame is an active frame; and when the determined adaptation type is signal-based adaptation, performing time scale modification (TSM) according to an adaptation scheme determined according to a comparison result between the first playout delay and the second playout delay and a comparison result between a target delay and the first playout delay.

Abstract: The present invention relates to a resource reservation method and system for reserving resources in a mobile multimedia system, and the method of the present invention comprises: a resource request step in which a terminal, which has negotiated communication conditions with another terminal, transmits a PDP context activation request message for reserving resources according to the communication conditions to a serving GPRS support node (SGSN); and a response step in which the SGSN transmits a response message including information on a determined QoS level to the terminal.

Abstract: A media adaptation method in a communication system is provided. The method includes updating a previously stored management object by a communication terminal when an operating environment of the communication terminal is changed, and determining a packet unit between the communication terminal and another communication terminal using the updated management object by the communication terminal when communicating with the other communication terminal.

Abstract: Provided is an inverter built-in BLDC motor including: an inverter housing having one side coupled to a motor, an inside formed to be hollow, and the other side formed to be open, and having a PCB substrate provided in the hollow portion; a bearing mounted in a bearing mounting portion of the inverter housing and having a rotating shaft of a rotor of the motor rotatably coupled thereto; and a bearing cover coupled to a bearing mounting groove of the bearing mounting portion mounted with the bearing and formed to close an opening portion of the bearing mounting groove on an inner bottom surface of the inverter housing.

Abstract: Provided is an inverter built-in brushless direct current (BLDC) motor, in which an inverter housing and a cover are coupled to each other by having a connector block interposed therebetween, a sealing portion formed in the connector block seals between a circumference in a height direction and a length direction of the connector block and an inner side surface of the inverter housing and the cover, and a space between an electric wire penetrating through an electric wire through hole and the connector block, thereby simplifying parts for forming a watertight structure, easily sealing between the inverter unit and the connector block and sealing between the connector block and the electric wire, and reducing a package size including a connector block assembling part formed in the inverter unit and the connector block.

Abstract: Disclosed herein is an apparatus for cooling an inverter of a vehicle which receives power supplied from a vehicle battery and controls the rotation speed of a motor. The apparatus includes an inverter housing configured to support the inverter, and a heat dissipation unit provided at a predetermined position in the inverter housing and configured to come into contact with an outer circumferential surface of the capacitor so that heat of the capacitor is transferred to the inverter housing.

Abstract: Disclosed herein is a stator assembly for a motor. The stator assembly comprises a stator core having a plurality of teeth around each of which a stator coil is wound, a first insulator coupled to one side of the stator core to provide insulation between one tooth and an adjacent tooth, a second insulator coupled to the other side of the stator core to provide insulation between one tooth and an adjacent tooth, and a three-phase terminal inserted between the stator core and the second insulator and protruded partially to the outside of the second insulator to be electrically connected to an inverter. According to the present invention, there are advantageous effects that since the three-phase terminal is assembled between insulators, breakaway and breakage of the three-phase terminal can be prevented and that insulation effect and assembly capability thereof are enhanced.

Abstract: Provided are a device and a method for transmitting and receiving voice data in a wireless communication system. A method for operating a transmission terminal for transmitting a voice signal comprises the steps of: generating sampling and bitrate request information including sampling information for determining a sampling rate of the voice signal and bitrate information for determining a bitrate of the voice signal, and transmitting the generated sampling and bitrate request information to a reception terminal; receiving, from the reception terminal, combined determination information obtained by at least one combination of the sampling rate determined on the basis of the sampling information and the bitrate determined on the basis of the bitrate information; and compressing the voice signal according to the received combined determination information, and transmitting the compressed voice signal to the reception terminal.

Abstract: Methods and apparatuses are provided for changing a mode of a device by a server. The server receives, from a master device, at least one of a user preference document including information related to whether mode synchronization is activated between devices, a device context profile (DCP) document including a rule applied per mode, and a DCP directory document including information related to a profile activated in the DCP document. The at least one of the user preference document, the DCP document, and the DCP directory document is registered. When information related to changing a mode of the master device is received, the at least one of the user preference document, the DCP document, and the DCP directory document is changed based on the changed mode of the master device. The at least one of the changed user preference document, the changed DCP document, and the changed DCP directory document is transmitted to at least one slave device.

Abstract: A method and apparatus for transmitting multimedia data are provided. A first device, which provides an audio signal to a second device, includes: a control unit that divides an audio signal input to the first device into a plurality of audio frames, compares a current audio frame among the plurality of audio frames with the at least one previous audio frame prestored in the memory of the first device, and selects one of the prestored previous audio frames based on similarity of the prestored previous audio frame and the current audio frame; and a communication unit that transmits an identification value of the selected previous audio frame to the second device.

Abstract: A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing the signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE and acquire UE information, if there is any, from another network node to which the UE has been attached, are provided. The method for communication between the UE and network based on the NAS protocol messages and operations is implemented with the involvement a UE, an MME, and an old MME or an old Serving General Packet Radio Service (GPRS) Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during the communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency.

Abstract: The present invention relates to a method and an apparatus for efficiently requesting and allocating a wireless resource. According to one embodiment of the present invention, a method for requesting a resource comprises: a step of receiving target criteria for video quality from a server; a first determination step of determining whether the video quality matches the target criteria based on a peak signal-to-noise ratio (PSNR) or a frame rate; and, if the video quality does not match, a step of requesting the server to allocate an additional resource. According to one embodiment of the present invention, the use of a video surveillance system resource can be minimized and video quality can be easily ensured.