Abstract: A positive electrode includes a positive electrode active material layer, and the positive electrode active material layer includes a first lithium iron phosphate and a second lithium iron phosphate as a positive electrode active material, the first lithium iron phosphate has an average particle diameter D50 grater than that of the second lithium iron phosphate and at least one facet, and when the cross section of the positive electrode is observed with a scanning electron microscope (SEM), the cross section of the first lithium iron phosphate has at least one side having a length of 2 ?m or more.

Abstract: Disclosed herein are a duty cycle monitoring method and apparatus for a memory interface, including receiving a clock signal as input and generating a first delay time offset and a second delay time offset, receiving the clock signal and the first delay time offset and then outputting a first delayed signal, receiving the first delayed signal and the second delay time offset and then outputting a second delayed signal, receiving the clock signal and the second delayed signal and then outputting a delay value corresponding to a half-period of the clock signal, and monitoring, based on the first delayed signal, whether a duty cycle of the clock signal conforms to a duty cycle specification.

Abstract: Disclosed herein is an apparatus for adjusting a reference voltage. The apparatus may include a gate signal generation unit for generating an RDQS gate signal, a reference voltage generation unit for setting a reference voltage based on the RDQS gate signal, and a reset counter for holding a voltage at the time at which the RDQS gate signal becomes low when the RDQS gate signal is not applied to the reference voltage generation unit for a specific time period.

Abstract: Disclosed herein is an apparatus for receiving data from memory. The apparatus receives a data signal and a clock signal output from memory and includes a Decision Feedback Equalizer (DFE) including two or more differential signal path units configured to determine and output an output value corresponding to the data signal. Each of the two or more differential signal path units may determine a current output value by reflecting a previous output value fed back from a different one of the two or more differential signal path units in such a way that they operate at different clocks, and may include an offset control unit configured to adjust an offset at an input stage and a feedback control unit configured to change a load of an output stage using the previous output value fed back from the different one of the two or more differential signal path units.

Abstract: A battery includes an electrode assembly defining a core and an outer circumference by winding a first electrode, a second electrode, and a separator interposed therebetween around a winding center, each of the first electrode and the second electrode includes a first uncoated portion and a second uncoated portion on which an active material layer is not coated along the winding direction; a battery housing accommodating the electrode assembly through an opening formed on one side thereof; a cap including a venting portion, covering the opening, and electrically connected to the battery housing and the first uncoated portion; and a battery terminal penetrating one surface of the battery housing and electrically connected to the second uncoated portion.

Abstract: A battery includes an electrode assembly including a first electrode, a second electrode and a separator between the first electrode and the second electrode, the first electrode, the second electrode and the separator being wound around a winding axis to define a core and an outer peripheral surface. The first electrode and the second electrode include a first uncoated region and a second uncoated region along a winding direction, respectively, and an active material layer coating is absent in the first uncoated region and the second uncoated region. The battery further includes a housing receiving the electrode assembly through an opening formed at a bottom, a first current collector coupled to the first uncoated region and disposed within the housing, a cap covering the opening, a spacer interposed between the cap and the electrode assembly to fix the electrode assembly and seal the housing, and a terminal electrically connected to the second uncoated region.

Abstract: Provided are an electrode assembly, a battery, and a battery pack and vehicle including the same. An electrode assembly, in which a first electrode, a second electrode, and a separator interposed therebetween are wound about an axis to define a core and an outer circumferential surface. At least one of the first electrode and the second electrode includes, at a long side end portion, an uncoated portion exposed beyond the separator in a direction of the axis. At least a part of the uncoated portion is bent in a radial direction of the electrode assembly to define a bent surface region having overlapping layers of the uncoated portion. The bent surface region includes a welding target region having a number of the overlapping layers of the uncoated portion, and the welding target region extends along a radial direction of the electrode assembly.

Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.

Abstract: The present invention relates to a near field communication (NFC) and a Bluetooth-based digital price display system, and providing a digital price indicator communicating with a server to change information in real time, display information on a product, and replace a tag with an application installed in the digital price indicator.

Abstract: The present invention relates to a near field communication (NFC) and a Bluetooth-based digital price display system, and providing a digital price indicator communicating with a server to change information in real time, display information on a product, and replace a tag with an application installed in the digital price indicator.

Abstract: A modular input device includes a manipulator movable in random directions, a sensor chip to detect displacement of the manipulator, an elastic member to return the displaced manipulator to its originally set position, a direction manipulator operating independently from the manipulator to provide manipulation space for the manipulator and to manipulate directions, a magnetic body moving in association with the manipulator to inform the sensor chip of the displacement of the manipulator, a circuit board having an operation switch at a position corresponding to the manipulator to output a signal detected by the sensor chip to an external device, and a housing to enclose the manipulator, the sensor chip, the magnetic body and the circuit board.

Abstract: An inputting device, used for electronic devices, for example, is disclosed. The inputting device in accordance with an embodiment of the present invention includes a case, which has a through-hole, a center key, which is exposed externally through the through-hole and is movable to any directions on a plane, an operating member, which is fixed to the case and supports the center key and returns the center key by elastic force to a center of the through-hole if the center key is moved from the center of the through-hole, a magnet, which moves with the center key on a plane, and a sensing element, which senses a movement of the magnet. With the input method of the present invention, not only is the operation easier, but also the entire thickness of a device can be reduced.

Abstract: An input apparatus and a mobile device having the input apparatus are disclosed. By using an input apparatus, incorporated in a terminal comprising a circuit board and a case that forms an overall outer shape, which includes: a maneuver part, of which one side faces one side of the circuit board; a magnet coupled to the maneuver part; a magnetism sensor, which is coupled to the other side of the circuit board, and which detects magnetic forces generated by the magnet; and a housing, which is coupled to the case, and which covers at least a portion of the maneuver part, the thicknesses of parts can be reduced and individual parts can freely be replaced, as the housing is detachably coupled to the case by hooks.

Abstract: Disclosed herein is a thin input device. The thin input device includes a manipulation means, a displacement detection means, and a housing. The manipulation means is capable of being displaced in any direction. The displacement detection means is electrically connected to an external device and detects the displacement of the manipulation means. The housing detachably is mounted on the support element of the external device and contains the manipulation means.

Abstract: An inputting device, used for electronic devices, for example, is disclosed. The inputting device in accordance with an embodiment of the present invention includes a case, which has a through-hole, a center key, which is exposed externally through the through-hole and is movable to any directions on a plane, an operating member, which is fixed to the case and supports the center key and returns the center key by elastic force to a center of the through-hole if the center key is moved from the center of the through-hole, a magnet, which moves with the center key on a plane, and a sensing element, which senses a movement of the magnet. With the input method of the present invention, not only is the operation easier, but also the entire thickness of a device can be reduced.

Abstract: Disclosed is a modular input device comprising a manipulator movable in random directions, a sensor chip for detecting displacement of the manipulator, an elastic member for returning the displaced manipulator to its originally set position, a direction manipulator operating independently from the manipulator for providing manipulation space for the manipulator and for manipulating directions, a magnetic body moving in association with the manipulator for informing the sensor chip of the displacement of the manipulator, a circuit board having an operation switch at a position corresponding to the manipulator for outputting a signal detected by the sensor chip to an external device, and a housing for enclosing the manipulator, the sensor chip, the magnetic body and the circuit board.

Abstract: A wafer support keeps a focus ring cool during an etching process to prevent the temperature from varying across a wafer being etched. The wafer support includes a main body in which a cooling passage is defined. The main body has a first top surface on which a wafer is supported and a second top surface atop which the focus ring is disposed. The cooling passage has a first cooling passageway extending directly under the first top surface to cool the wafer and a second cooling passageway extending directly under the second top surface to cool the focus ring.

Abstract: An apparatus is provided. The apparatus comprises a chamber for loading a substrate therein, a plasma creation area in the chamber, first and second electrodes installed in the chamber, and a power source for supplying a radio frequency to the first electrode. The first electrode includes a plurality of areas having different resistances for varying the radio frequency applied to the plasma creation area. The upper electrode makes a plasma density uniform to enhance a process uniformity.

Abstract: A plasma etching apparatus is provided having a sealing member coupling an upper electrode to the plasma etching chamber. A peripheral portion of the inner surface of the upper electrode includes a planar surface across both anodized and non-anodized portions of the surface in the peripheral contact region adjacent to the upper portion of the sidewalls of the chamber assembly. A sealing member is positioned between the planar, peripheral portion of the second electrode and the upper portion of the sidewalls to provide a seal therebetween. The anodized portion of the inner surface of the upper electrode may extend over the area adjacent to the opening in the chamber housing and further extend into the peripheral portion beyond the sealing member to reduce the potential for arcing to occur to the non-anodized section during plasma etching operations.