Abstract: A method for sensing a fingerprint, comprising: receiving, by an electronic device, a sound wave signal that is reflected from an object; detecting at least one echo signal that is associated with the object for each reception period in a plurality of reception periods, wherein the at least one echo signal is detected based on the sound wave signal; and detecting the fingerprint based on the at least one echo signal.

Abstract: Disclosed herein is a folding device to manufacture a stacked/folded type electrode assembly having unit cells sequentially stacked in a state in which a separation film is disposed between the respective unit cells, the folding device including a web supply unit to supply a web having plate-shaped unit cells arranged at a top of a separation film at predetermined intervals, a winding jig to rotate the unit cells while holding a first one of the unit cells of the web so that the unit cells are sequentially stacked in a state in which the separation film is disposed between the respective unit cells, and a rotary shaft compensation unit to compensate for the position of a rotary shaft of the winding jig in an advancing direction of the web (X-axis direction).

Abstract: The present invention relates to a lithium secondary battery, and more specifically to a lithium secondary battery having a multi-directional lead-tab structure. The lithium secondary battery of the present invention includes: an electrode assembly which is formed by alternately laminating an electrode plate having a current collector, an active material, and a tab, and an isolation layer; a lead which is electrically connected to the tab; and a battery case, wherein the lead is divided into an anode lead and a cathode lead, and at least two or more anode leads and cathode leads are provided. The battery of the present invention uses the same lead-tab size as the prior art and is suitable for use with high current.

Abstract: Provided is a method for authenticating a user in an electronic device. In illustrative embodiments, a fingerprint input from the user is be detected by receiving detection signals for respective sample points across an area of the fingerprint input. A determination value may be computed, which represents a degree of distribution of the detection signals according to signal strengths. It is then determined whether the determination value falls outside a preset reference range. If the determination value falls outside the preset reference range, the method determines that the fingerprint input from the user is invalid.

Abstract: An electronic device is provided. The electronic device includes a first body, a second body being folded or unfolded with respect to the first body, a first sensor processor configured to detect a signal according to the folding/unfolding of the second body, a second sensor processor configured to detect a signal according to the folding/unfolding of the second body, in a position different from the first sensor, and a processor operatively connected with the first sensor and the second sensor. The processor is further configured to determine a folded/unfolded state of the second body in accordance with the detecting signals of the first sensor and second sensor.

Abstract: Provided are a method of preparing an electrode assembly suitable for preparing a secondary battery having a structure that may increase a degree of freedom in the design of a device in which the secondary battery is installed, and a method of preparing a secondary battery.

Abstract: A electronic device and method are disclosed herein. The electronic device includes a display, a fingerprint recognition sensor configured to recognize a fingerprint received through the display, and a processor. The processor is configured to implement the method, which includes detecting a fingerprint using a fingerprint recognition sensor of the electronic device through a display of the electronic device; and controlling the display to display at least one object based on the fingerprint.

Abstract: Disclosed is a method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case made of a laminate sheet having a resin layer and a metal layer, which includes: (a) mounting the electrode assembly in the battery case and sealing the periphery of the battery case except for one end part thereof through thermal fusion; (b) introducing the electrolyte through the unsealed end part and sealing the end via thermal fusion; (c) charging-discharging the battery cell to activate the same; (d) transferring gas generated during activation and excess electrolyte to the foregoing end part of the battery cell by centrifugal force; and (e) removing the gas and excess electrolyte from the end part.

Abstract: An electronic device and a method for controlling a gesture sensor of the same are provided. The electronic device includes a gesture sensor and a threshold determining module configured to receive a light amount measurement with respect to light incident to the gesture sensor, to compare the light amount measurement with a light amount reference value, and to determine a light amount threshold that is used based on object recognition of the gesture sensor by adding the weight value to the light amount measurement.

Abstract: Provided is a unit stacking device for a secondary battery, which stacks one or more first radical units having a first size and one or more second radical units having a second size greater than the first size and includes a stack jig, which includes a first inner space having a size corresponding to the first size and a second inner space disposed above the first inner space and communicating with the first inner space and having a size corresponding to the second size. The first radical units are stacked in the first inner space through the second inner space, and then, the second radical units are stacked in the second inner space.

Abstract: Disclosed is a device for notching, at an interval of a unit electrode, a continuous electrode sheet in which an electrode active material is applied to one or both surfaces thereof, to form a plurality of unit electrodes from the electrode sheet, the device including a press to press notches on the top and the bottom of the electrode sheet at a set position, and a drawing member arranged at the rear of the press based on a feed direction of the electrode sheet, the drawing member drawing and transporting the electrode sheet by one pitch, a size corresponding to the unit electrode according to operation of the press, wherein, when one of the grippers draws and transports the electrode sheet, the remaining grippers move to a position for drawing.

Abstract: A method of operating an electronic device is provided. The method includes detecting a plurality of fingerprint drags after a touch on a portion of the electronic device, wherein each of the plurality of fingerprint drags is a consecutive drag from a previous drag and each of the plurality of fingerprint drags has a different orientation from each other; and identifying a fingerprint based on a plurality of images acquired from the plurality of fingerprint drags, wherein each of the plurality of images is compared with corresponding portion of a reference image.

Abstract: Disclosed herein is an electrode assembly of a cathode/separator/anode structure, wherein a plurality of first unit electrodes and a second electrode sheet are wound so that the first unit electrodes are opposite to the second electrode sheet via a separator sheet, and a first electrode and a second electrode have opposite polarities.

Abstract: Disclosed is a device for cutting an electrode sheet laminate wherein two or more continuous electrode sheets, in which an electrode active material is applied to one or both surfaces thereof, are laminated, to form a plurality of unit electrode laminates from the electrode sheet laminate, the device including a cutter to cut the electrode sheet laminate at a set position and thereby form unit electrode laminates, and two or more transport grippers arranged at the front of the cutter based on a feed direction of the electrode sheet laminate, the transport grippers drawing and transporting the electrode sheet laminate by one pitch, a size corresponding to the unit electrode laminate according to operation of the cutter, wherein while one of the transport grippers draws and transports the electrode sheet laminate, the remaining transport grippers move to a position for drawing.

Abstract: Disclosed herein is a battery cell manufacturing device configured to manufacture a battery cell including two or more unit cells. The battery cell manufacturing device includes a unit cell stacking unit into which unit cells are introduced from above and in which the unit cells are sequentially stacked, a wrapping unit to wrap an outside of the unit cell stack discharged from the unit cell stacking unit with a separation film, and a heating unit to thermally shrink the separation film wrapping the outside of the unit cell stack.

Abstract: According to a fingerprint authentication method, fingerprint data is obtained through a fingerprint sensor, a degree of rotation of an electronic device including the fingerprint sensor when the fingerprint data is obtained is detected, a pattern of minutiae is extracted from the fingerprint data, a registration pattern for a registered fingerprint is rotated based on the degree of rotation, the pattern of minutiae is matched to the registration pattern, and the fingerprint data is authenticated on the basis of a match result.

Abstract: Provided is a unit stacking device for a secondary battery, which stacks one or more first radical units having a first size and one or more second radical units having a second size greater than the first size and includes a stack jig, which includes a first inner space having a size corresponding to the first size and a second inner space disposed above the first inner space and communicating with the first inner space and having a size corresponding to the second size. The first radical units are stacked in the first inner space through the second inner space, and then, the second radical units are stacked in the second inner space.

Abstract: Provided is a laser cutting device and method which changes a cutting speed of a laser according to a difference between characteristics (absorption coefficients) of an object to be cut, so as to uniformly supply an energy of laser to the whole of the object, thereby preventing the object from being incompletely cut. A laser cutting device includes a database that stores information about a cutting pattern, a moving part that changes a location of a laser beam emitted to an object to be cut, a characteristic value input part that receives speed information from a user according to locations on the cutting pattern, and a control part that adjusts a moving speed of the laser beam by controlling the moving part according to the speed information from the characteristic value input part, and the information about the cutting pattern from the data base.

Abstract: Disclosed is a method for manufacturing a battery cell including an electrode assembly and electrolyte provided in a battery case composed of a laminate sheet having a resin layer and a metal layer, which includes; (a) thermally fusing and sealing the periphery of the case except for an end part thereof while the electrode assembly is mounted in the case; (b) introducing the electrolyte through the unsealed end part then sealing the same by thermal fusion; (c) charging and discharging the battery cell to activate the same; (d) puncturing the unsealed part inside the end part to form a through-hole communicating with the inside of the case; and (e) pulling top and bottom faces of the battery case in the opposite direction to each other at the unsealed part to open the same while applying vacuum pressure, to thereby remove the gas generated during activation as well as excess electrolyte.

Abstract: Disclosed is a unit cell transfer apparatus for arranging and delivering unit cells to a folding device, which is used in a continuous process for manufacturing a stack/folding type electrode assembly having a structure of planar unit cells wound up over a separate film.