Abstract: An image compression apparatus includes: an image acquisition unit configured to acquire a raw data image; a pre-processing network configured to receive the raw data image and pre-process the raw data image according to a pattern estimation method learned beforehand; and an encoder unit configured to receive the pre-processed image and compress the pre-processed image according to a pre-designated standard compression technique to output a compressed image. The pre-processing network, which can be added during learning and can be implemented as an artificial neural network, can have learned beforehand by way of a backpropagation of a restoration error through a codec modeling unit that has learned beforehand to simulate a standard codec unit, where the restoration error can be obtained by comparing a restored image obtained based on a simulated decoded image with the raw data image.

Abstract: An apparatus and a method for controlling the power transfer coverage of a wireless power transmission network are disclosed. The method for controlling the power transfer coverage of a wireless power transmission network, which includes a plurality of peripheral devices for receiving power from a main device through a resonant channel within the power transfer coverage of the main device, comprises the steps of: checking a wireless power transmission network disconnection state of any one of the plurality of peripheral devices by a procedure gradually decreasing the amount of transmission power of the main device; and forming the power transfer coverage on the basis of the amount of transmission power at the moment of the wireless power transmission network disconnection.

Abstract: A coil structure for wireless power transmission is provided. The coil structure comprises: a primary resonance coil wound in a spiral shape around a centripetal point; a primary induction coil, which supplies power to the primary resonance coil in a nonconnected state with an input or output terminal of the primary resonance coil and is wound in a spiral shape on a substantially same plane around a substantially same centripetal point as the centripetal point; a switch configured to be parallel with the primary resonance coil so as to control the ON and OFF of an operation of the primary resonance coil; and a capacitor coupled to the primary resonance coil so as to form a magnetic resonance with the primary resonance coil.

Abstract: A semiconductor device includes a first substrate structure including a first substrate, gate electrodes stacked on the first substrate, and extended by different lengths to provide contact regions, cell contact plugs connected to the gate electrodes in the contact regions, and first bonding pads disposed on the cell contact plugs to be electrically connected to the cell contact plugs, respectively, and a second substrate structure, connected to the first substrate structure on the first substrate structure, and including a second substrate, circuit elements disposed on the second substrate, and a second bonding pad bonded to the first bonding pads, wherein, the contact regions include first regions having a first width and second regions, of which at least a portion overlaps the first bonding pads, and which have a second width greater than the first width, and the second width is greater than a width of the at least one first bonding pad.

Abstract: Disclosed herein is a method of manufacturing an electrode for a secondary battery, including: a process of continuously forming two or more slurry coated parts on one surface or both surfaces of metal foil in a second direction which is a longitudinal direction of the metal foil so that a non-coated part which an electrode slurry is not coated is positioned between the slurry coated parts coated with the electrode slurry including an electrode active material in a first direction which is a transverse direction of the metal foil; a process of forming mixture coated parts by drying the slurry coated parts and rolling by a roller; and a process of forming electrode strips by slitting the non-coated part in the second direction, wherein before continuously forming the slurry coated parts, while continuously forming the slurry coated parts, or between continuously forming the slurry coated parts and forming the mixture coated parts, the method further includes a process of forming non-continuous linear slits in

Abstract: A nonvolatile memory device includes a first lower interlayer insulation layer and a second lower interlayer insulation layer that are sequentially stacked in a first direction; a lower metal layer disposed in the first lower interlayer insulation layer; and a plurality of lower bonding metals disposed in the first lower interlayer insulation layer and the second lower interlayer insulation layer and spaced apart from each other in a second direction that intersects the first direction. An uppermost surface in the first direction of the lower metal layer is lower than an uppermost surface in the first direction of the plurality of lower bonding metals, and the lower metal layer is placed between the plurality of lower bonding metals.

Abstract: A semiconductor device includes a first substrate structure including a first substrate, gate electrodes stacked on the first substrate, and extended by different lengths to provide contact regions, cell contact plugs connected to the gate electrodes in the contact regions, and first bonding pads disposed on the cell contact plugs to be electrically connected to the cell contact plugs, respectively, and a second substrate structure, connected to the first substrate structure on the first substrate structure, and including a second substrate, circuit elements disposed on the second substrate, and a second bonding pad bonded to the first bonding pads, wherein, the contact regions include first regions having a first width and second regions, of which at least a portion overlaps the first bonding pads, and which have a second width greater than the first width, and the second width is greater than a width of the at least one first bonding pad.

Abstract: Various examples of the present invention relate to an apparatus and a method for controlling a connection and an operation of an antenna in an electronic device.

Abstract: Disclosed is an inkjet head cleaning unit including a body, an ejection unit formed in the body, and that ejects a cleaning fluid for cleaning a nozzle surface of a head, a suction unit formed in the body, and that suctions the cleaning fluid used for cleaning the nozzle surface of the head and foreign substances separated from the nozzle surface of the head, and a central body provided between the ejection unit and the suction unit, and height of the central body is adjusted in a vertical direction.

Abstract: Disclosed is a controller capable of changing volume. The controller according to the present invention includes a housing; a volume changing unit installed outside the housing and having one end and the other end movable with respect to the housing, respectively; a driving unit for moving at least one of one end and the other end of the volume changing unit; and a control unit for controlling the driving unit. According to the present invention, it is possible to improve a user's feeling of use and to enhance satisfaction and fun by variously changing the volume, shape, etc. of a controller.

Abstract: The present invention relates a haptic tool system, the system including: a computer device portion providing a content image including a target object for user testing or learning through a haptic feedback simulation function; and a haptic drill tool having an capacitive touch pen that makes contact with the target object and providing a haptic feedback simulating use of an actual drill to the user on the basis of load cell displacement information on a force applied according to the contact of the capacitive touch pen and physical property information on the target object. According to the haptic tool system, it is possible to provide the haptic feedback similar to a force and a motion sensation that the user feels when using an actual electric drill.

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.

Abstract: Provided is a nonvolatile memory device. The nonvolatile memory device includes a conductive plate, a barrier conductive film extending along a surface of the conductive plate, a mold structure including a plurality of gate electrodes sequentially stacked on the barrier conductive film, a channel hole penetrating the mold structure to expose the barrier conductive film, an impurity pattern being in contact with the barrier conductive film, and formed in the channel hole, and a semiconductor pattern formed in the channel hole, extending from the impurity pattern along a side surface of the channel hole, and intersecting the plurality of gate electrodes.

Abstract: A display device including a display panel having a light emitting area and a non-light emitting area around the light emitting area, a first conductive pattern disposed in the non-light emitting area, a second conductive pattern disposed on the first conductive pattern, and a reflection pattern overlapping the non-light emitting area and disposed between the light emitting area and the second conductive pattern.

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.

Abstract: Various examples of the present invention relate to an apparatus and a method for controlling a connection and an operation of an antenna in an electronic device.

Abstract: A wireless power reception device and a wireless communication method thereby are provided. The wireless communication method by the wireless power reception device may comprise the steps of: receiving a wireless power signal from a wireless power transmission device; measuring the strength of the wireless power signal; modulating the amplitude of the wireless power signal according to the measured strength of the wireless power signal; and performing communication with the wireless power transmission device by using the signal having the amplitude modulated.

Abstract: The present disclosure provides a device for cleaning a protective film to be attached to an outer surface of a laminate during a lamination process of heating and pressing the laminate of electrodes and a separator to produce an electrode assembly of a battery cell, including a feed roll configured to supply the protective film, at least one guide roll configured to guide a progress of the protective film supplied from the feed roll, a cleaning roll located between the feed roll and a winding roll and configured to remove foreign substances remaining on the protective film supplied from the feed roll, and the winding roll configured to wind the protective film from which foreign substances have been removed by the cleaning roll, wherein a nano thin film is formed on an outer surface of the cleaning roll to adsorb and remove the foreign substances remaining on the protective film.

Abstract: A coil structure for wireless power transmission is provided. The coil structure comprises: a primary resonance coil wound in a spiral shape around a centripetal point; a primary induction coil, which supplies power to the primary resonance coil in a nonconnected state with an input or output terminal of the primary resonance coil and is wound in a spiral shape on a substantially same plane around a substantially same centripetal point as the centripetal point; a switch configured to be parallel with the primary resonance coil so as to control the ON and OFF of an operation of the primary resonance coil; and a capacitor coupled to the primary resonance coil so as to form a magnetic resonance with the primary resonance coil.