Abstract: During a process of manufacturing a pouch case by forming a pouch film, an elongation rate can be measured by the color of an outer layer of the pouch film without separate sampling, and it can be determined whether or not elongation has occurred which causes a critical level in which a crack is about to occur or a defective level in which a crack is occurring. A method for manufacturing a pouch case of a secondary battery according to the present invention includes: stacking a metal layer above an inner layer and stacking an outer layer, which includes colored dye particles, above the metal layer, thereby producing a pouch film; forming the pouch film into a three-dimensional shape so that an electrode assembly is accommodated therein; and measuring an elongation rate of the pouch film through color of the outer layer.

Abstract: The present invention relates to a pouch-shaped battery cell including a battery case made of a laminate sheet including an outer coating layer, a metal layer, and an inner adhesive layer, an electrode assembly received in the battery case, and a foam layer applied to an outer surface of an outer coating layer of any one of a first surface and a second surface of an electrode assembly receiving portion of the battery case. The foam layer buffers expansion in volume of the pouch-shaped battery cell, whereby it is possible to minimize deformation of the pouch-shaped battery cell and a battery module.

Abstract: A current measuring apparatus including a switching circuit installed on the charging and discharging path, a current measuring unit having a shunt resistor installed on the charging and discharging path and configured to output a current signal corresponding to a voltage across the shunt resistor, a voltage measuring unit configured to measure the voltage across the switching circuit, a temperature measuring unit configured to measure a temperature of the switching circuit, and a control unit. The control unit determines a first current value indicating a current flowing through the shunt resistor, based on the current signal. The control unit determines a second current value indicating a current flowing through the switching circuit, based on the measured voltage and the measured temperature. The control unit determines whether the shunt resistor is in a normal state, based on the first current value and the second current value.

Abstract: Disclosed is a flat cable with an improved function of preventing a short phenomenon that may occur when the flat cable is incorrectly inserted into a connector. The flat cable according to an embodiment of the present disclosure is a flat cable extending straight in a direction and having a front end that is inserted and connected to an external connector, and includes a plurality of conductors extending straight along a lengthwise direction of the flat cable, spaced apart a predetermined distance in a widthwise direction of the flat cable, and a cable body made of an insulating material, and extending straight along the lengthwise direction of the flat cable, wherein the conductors are mounted on at least one surface.

Abstract: An apparatus and method for protecting each of a plurality of cell stacks included in a battery pack from overcharge. The overcharge prevention apparatus prevents the overcharge of a plurality of cell stacks connected in series within a high current path. The overcharge prevention apparatus includes a voltage measuring unit configured to measure voltage of each cell stack, and generate a first monitoring signal indicating the measured voltage, a current regulating unit configured to selectively provide a bypass path to each cell stack, and a controller connected to the voltage measuring unit and the current regulating unit allowing communication. The controller is configured to control the current regulating unit based on the first monitoring signal from the voltage measuring unit.

Abstract: Provided is a magnetic resonance imaging (MRI) apparatus including an acquisition unit configured to acquire an undersampled spectrum in a k-space and a reconstruction unit configured to generate a target image based on the undersampled spectrum, wherein the reconstruction unit includes: a first sub-reconstruction unit configured to perform initial reconstruction on data corresponding to unsampled positions in the k-space by using a Split Bregman algorithm or approximate sparse coding; a second sub-reconstruction unit configured to decompose the initially reconstructed spectrum in the k-space into multiple frequency bands to thereby generate a plurality of individual spectra and perform dictionary learning reconstruction on images respectively corresponding to the decomposed multiple frequency bands by alternating sparse approximation and reconstructing of measured frequencies; and an image generator configured to generate a target image by merging together the reconstructed images respectively corresponding

Abstract: Disclosed is a battery management apparatus, which includes: a precharging unit having a plurality of switches, the precharging unit being connected to the first main relay in parallel and connected between the second main relay and the second charge/discharge terminal; a control unit configured to control the plurality of switches which causes an output voltage of the battery module to be converted into an AC voltage and applied to the first main relay or the second main relay; and a diagnosing unit configured to diagnose a failure of the first main relay based on a first both-end voltage value of the first main relay to which the AC voltage is applied or to diagnose a failure of the second main relay based on a second both-end voltage value of the second main relay to which the AC voltage is applied.

Abstract: A current measuring apparatus including a switching circuit installed on the charging and discharging path, a current measuring unit having a shunt resistor installed on the charging and discharging path and configured to output a current signal corresponding to a voltage across the shunt resistor, a voltage measuring unit configured to measure the voltage across the switching circuit, a temperature measuring unit configured to measure a temperature of the switching circuit, and a control unit. The control unit determines a first current value indicating a current flowing through the shunt resistor, based on the current signal. The control unit determines a second current value indicating a current flowing through the switching circuit, based on the measured voltage and the measured temperature. The control unit determines whether the shunt resistor is in a normal state, based on the first current value and the second current value.

Abstract: Disclosed is a flat cable with an improved function of preventing a short phenomenon that may occur when the flat cable is incorrectly inserted into a connector. The flat cable according to an embodiment of the present disclosure is a flat cable extending straight in a direction and having a front end that is inserted and connected to an external connector, and includes a plurality of conductors extending straight along a lengthwise direction of the flat cable, spaced apart a predetermined distance in a widthwise direction of the flat cable, and a cable body made of an insulating material, and extending straight along the lengthwise direction of the flat cable, wherein the conductors are mounted on at least one surface.

Abstract: A method of controlling transmission of content data includes establishing a communication channel with an external device; transmitting the content data through the communication channel to the external device; verifying a plurality of times whether the content data is transmitted to the external device within an acceptable transmission range to generate a verification result; and determining whether to continue transmitting the content data according to the verification result. The verification is periodically performed according to an amount of the content data to be transmitted.

Abstract: An apparatus and method for protecting each of a plurality of cell stacks included in a battery pack from overcharge. The overcharge prevention apparatus prevents the overcharge of a plurality of cell stacks connected in series within a high current path. The overcharge prevention apparatus includes a voltage measuring unit configured to measure voltage of each cell stack, and generate a first monitoring signal indicating the measured voltage, a current regulating unit configured to selectively provide a bypass path to each cell stack, and a controller connected to the voltage measuring unit and the current regulating unit allowing communication. The controller is configured to control the current regulating unit based on the first monitoring signal from the voltage measuring unit.

Abstract: Disclosed is a battery management apparatus, which includes: a pre-charging unit having a plurality of switches and connected to the first main relay in parallel, the pre-charging unit being connected between the second main relay and the second charging/discharging terminal; a control unit configured to control the plurality of switches so that an output voltage of the battery module is reduced to a reduced voltage and output between the first charging/discharging terminal and the second charging/discharging terminal; and a diagnosing unit configured to diagnose a connection state in the load based on a load current value of the current flowing in the load to which the reduced voltage is applied.

Abstract: Disclosed is a battery management apparatus, which includes: a precharging unit having a plurality of switches, the precharging unit being connected to the first main relay in parallel and connected between the second main relay and the second charge/discharge terminal; a control unit configured to control the plurality of switches which causes an output voltage of the battery module to be converted into an AC voltage and applied to the first main relay or the second main relay; and a diagnosing unit configured to diagnose a failure of the first main relay based on a first both-end voltage value of the first main relay to which the AC voltage is applied or to diagnose a failure of the second main relay based on a second both-end voltage value of the second main relay to which the AC voltage is applied.

Abstract: Provided is a contents sharing method between a mobile terminal and a local server. The contents sharing method between a client terminal storing metadata and a server terminal storing the metadata, the method comprising requesting the server terminal for a contents share service; and receiving information on contents corresponding to matching metadata as a result of comparing the metadata stored in the client terminal and the metadata stored in the server terminal, thereby sharing contents desired by the user without the user's intervention. Also, the user can communicate desired contents information with people in a bus, subway, library, etc., which forms a social network, and produces a contents flow between mobile terminals, thereby creating a new business model such as contents resale, promotion, etc.

Abstract: An MRI apparatus includes: a receive coil assembly including channels, and configured to receive an MR signal from an object; a data generator configured to generate undersampled image data on a k-space based on the MR signal; and a reconstructed image generator configured to generate a first reconstructed image from the undersampled image data using a parallel imaging method, and a second reconstructed image from the undersampled image data using compressed sensing. According to the MRI apparatus, since image reconstruction is performed using random undersampled image data, a parallel imaging method, and compressed sensing, it is possible to increase a speed of image acquisition and, at the same time, to improve the quality of images.

Abstract: Disclosed is a battery management apparatus, which includes: a pre-charging unit having a plurality of switches and connected to the first main relay in parallel, the pre-charging unit being connected between the second main relay and the second charging/discharging terminal; a control unit configured to control the plurality of switches so that an output voltage of the battery module is reduced to a reduced voltage and output between the first charging/discharging terminal and the second charging/discharging terminal; and a diagnosing unit configured to diagnose a connection state in the load based on a load current value of the current flowing in the load to which the reduced voltage is applied.

Abstract: The MRI apparatus includes: a radio frequency (RF) transmitter configured to transmit an RF signal including multiple frequency signals corresponding respectively to multiple slices of an object to excite the multiple slices of the object; a gradient amplifier configured to apply a three-dimensional (3D) spatial encoding; an RF receiver configured to receive MR signals in an overlapped state from the multiple slices in a same repetition time (TR) period; and an image processor configured to acquire 3D k-space data based on the MR signals and acquire an MR image of each of the multiple slices based on the 3D k-space data.

Abstract: Provided are a magnetic resonance (MR) image processing method and an MR image processing apparatus. The MR image processing apparatus includes: a signal transceiver that transmits or receives a signal to or from the heart; and an image processor that obtains a plurality of MR images of the heart by using the transmitted or received signal, determines at least one contour from each of the plurality of MR images; obtains first information about a first region formed by the at least one contour; and detects an apex MR image or a base MR image of the heart from among the plurality of MR images based on the first information, wherein a location of an apex or a base is automatically detected from a plurality of short-axis MR images of the heart.

Abstract: A medical imaging apparatus includes: an output unit configured to display a magnetic resonance (MR) image matrix in which MR images, obtained by performing magnetic resonance imaging on a heart, are arranged in columns and rows; and an image processor configured to display at least one first indicator which indicates a column of the MR image matrix corresponding to at least one of end diastole and end systole and display at least one second indicator which indicates a row of the MR image matrix corresponding to at least one of an apex and a base of the heart, wherein the columns of the MR image matrix are arranged according to time when MR images included in the columns are captured, and the rows of the MR image matrix are arranged according to a position on a longitudinal axis of the heart corresponding to MR images included in the rows.

Abstract: A medical image processing apparatus includes a data acquirer that scans an object with a fiducial marker attached thereto to acquire volume data, and a data processor that estimates a plane of interest, based on a position of the fiducial marker and a position of a landmark in the volume data.