Abstract: A noise filter circuit includes a filter and a transistor off-resistance control circuit. The filter includes a first transistor and a charge storage component. The first transistor has off-resistance when turned off or operated under sub-threshold region. A control terminal of the first transistor is not directly tied to a reference voltage, and is used to receive a first control voltage. The charge storage component has one terminal coupled to a connection terminal of the first transistor. The transistor off-resistance control circuit is coupled to the first transistor, and arranged to set the first control voltage for controlling the off-resistance of the first transistor.

Abstract: An input method and a controller of a touch keyboard are provided. The input method includes: detecting a touch behavior performed on the touch keyboard, and identifying the touch behavior to determine whether to output mouse event data, keyboard event data or a combination of mouse event data and keyboard event data.

Abstract: A thermoelectric module includes a stack structure of a plurality of insulating layers, a plurality of thermoelectric elements formed with the insulating layer interposed therebetween and including a first-type semiconductor device, a second-type semiconductor device, a first electrode connected to the first-type semiconductor device, a second electrode connected to the second-type semiconductor device, and a connection electrode connecting the first-type and second-type semiconductor devices, and a conductive via penetrating through the insulating layer to connect thermoelectric elements adjacent to each other, among the plurality of thermoelectric elements.

Abstract: A control container configured to be connected to an external electrical system and at least one of power conversion system (PCS) including a DC unit having a DC line and configured to receive DC power from the PCS through the DC line, an AC unit having an AC line and configured to receive AC power from the external electrical system through the AC line, and a main controller connected to the AC unit and configured to receive a power from the external electrical system through the AC line.

Abstract: A fire spreading prevention method in an energy storage system (ESS) composed of a plurality of battery racks including an individual battery rack fire detection step of detecting whether a fire occurs for each of the plurality of battery racks and a battery rack forced discharge step of forcibly discharging at least some of the plurality of battery racks when a fire is detected in the individual battery rack fire detection step.

Abstract: The present invention provides a power amplifier system configured to receive an input audio signal to generate an output audio signal is disclosed. The power amplifier system includes a reference signal generator, a dynamic headroom generator and a DC-DC converter. The reference signal generator is configured to generate a reference signal according to the input signal. The dynamic headroom generator is configured to generate an output reference signal according to the reference signal and a change rate of a signal, wherein the signal is the reference signal, the input audio signal, or correlated with the reference signal or the input audio signal. The DC-DC converter is configured to generate a supply voltage to a power amplifier, wherein a voltage level of the supply voltage is determined according to the output reference signal, and the power amplifier is configured to generate the output audio signal according to the input audio signal.

Abstract: An energy storage system according to an aspect of the present disclosure includes a control container having a battery system controller (BSC), a master controller connected to the BSC through a first communication line, and a bank battery management system (BBMS) connected to the BSC through a second communication line; and a battery container including a slave controller connected to the master controller through the first communication line, and a rack battery management system (RBMS) connected to the BBMS through the second communication line and for monitoring a state of a corresponding battery rack.

Abstract: A multilayer ceramic capacitor may include a ceramic body, a plurality of first internal electrodes and a plurality of second internal electrodes disposed inside the ceramic body, first and second external electrodes disposed respectively on first and second opposing surfaces of the ceramic body, the first and second external electrodes respectively including first and second electrode layers disposed on the first and second surfaces and electrically connected respectively to the plurality of first and second internal electrodes, first and second conductive carbon layers disposed respectively on the first and second 10 electrode layers, and first and second metal layers disposed on a fifth surface of the ceramic body, connecting the first and second surfaces, and in contact respectively with the first and second conductive carbon layers between the first surface and the fifth surface, and between the second surface and the fifth surface.

Abstract: A battery container including at least one battery rack, a container housing having a top wall, a bottom wall and a first side wall, an inner space formed in the container housing to accommodate the at least one battery rack, a connector accommodation portion formed on the container housing, a first main connector located in the connector accommodation portion of the container housing, the first main connector being configured to be electrically connected to outside of the battery container, a main bus bar connected to the first main connector to transmit power, and a cover connected to the container housing and configured to cover at least a portion of the connector accommodation portion.

Abstract: A battery container including at least one module stack, a container housing accommodating the at least one module stack in an internal space, a power line configured to transmit charge power and discharge power, a main pipe configured to supply a fire extinguishing agent to the at least one module stack, and a first connector at a first end of the main pipe, the first connector being located in a first side of the container housing and accessible from an exterior of the container housing.

Abstract: Disclosed is a method for manufacturing a dry electrode. The method allows determination of the micro-fibrilization degree of a binder resin from the crystallinity of the binder resin. Based on this, the processing conditions of mixed powder for electrode or an electrode film may be controlled. In this manner, it is possible to check and control the processing conditions easily and efficiently. In addition, the method for manufacturing a dry electrode includes a kneading step using a kneader under a low speed and high temperature and pulverization step. Therefore, there is no problem of blocking of a flow path caused by aggregation of the ingredients, which is favorable to mass production.

Abstract: An energy storage system comprising a molten alkali metal in contact with a layer disposed on a surface of a substrate, wherein the surface layer comprises a composite comprising carbon, and the surface layer is metal-free and metal oxide-free.

Abstract: The present invention provides a multi-stage amplifier including at least one inter-stage amplifier, an output amplifier, a high-pass filter and a feedback amplifier is disclosed. The at least one inter-stage amplifier is configured to amplify an input signal to generate a signal. The output amplifier is configured to receive the signal to generate an output signal. The high-pass filter is configured to filter the signal and the output signal to generate a filtered signal and a filtered output signal, respectively. The feedback amplifier is configured to receive the filtered signal and the filtered output signal to generate a feedback signal to an input terminal of one of the at least one inter-stage amplifier and the output amplifier.

Abstract: A water injection unit includes an enclosure including, on at least one outer wall, a connection port connectable to a fire-fighting connection hose or a communication cable, a water tank connected to the connection port and located in the enclosure, a gas storage tank connected to the water tank to supply gas into the water tank, and a controller connected to the connection port and the gas storage tank, and configured to detect whether a fire occurs in the battery container, and allow gas in the gas storage tank to be sprayed into the water tank and allow fire extinguishing water in the water tank to be discharged due to gas pressure.

Abstract: Disclosed herein is a range hood having improved sound characteristics by improving a structure thereof. The range hood includes a case including an inlet through which air is introduced, and a fan module arranged inside the case to suck air through the inlet. The fan module includes a fan configured to move air by rotating, a motor configured to supply a driving force to rotate the fan, a fan frame provided to accommodate the fan and the motor therein, the fan frame including a fan inlet and a fan outlet, and a sound generating member provided to generate a sound of a predetermined frequency band when in contact with the air discharged through the fan outlet.

Abstract: A mixture powder for an electrode includes an electrode active material and a binder polymer. The binder polymer may include polytetrafluoroethylene (PTFE), polyolefin, or both. The mixture powder has a tap density equal to or less than 1.80 g/cc, a tap compaction ratio less than 45%, a particle diameter D10 of 35 ?m or more, and a D90 diameter of 1,700 ?m or less. The mixture powder has good flowability and less production of fine powder, which improves process efficiency by preventing the contamination of a manufacturing machine with powder when making a dry electrode film by a roll-to-roll continuous process. Additionally, it may be possible to prevent bridging when the mixture powder is put into the machine, thereby reducing the occurrence of pinholes in the dry electrode film. Accordingly, the obtained dry electrode film has outstanding mechanical strength such as high tensile strength and elongation at break.

Abstract: A thermoelectric module includes a stack structure of a plurality of insulating layers, a plurality of thermoelectric elements formed with the insulating layer interposed therebetween and including a first-type semiconductor device, a second-type semiconductor device, a first electrode connected to the first-type semiconductor device, a second electrode connected to the second-type semiconductor device, and a connection electrode connecting the first-type and second-type semiconductor devices, and a conductive via penetrating through the insulating layer to connect thermoelectric elements adjacent to each other, among the plurality of thermoelectric elements.

Abstract: A filter assembly is disclosed. A filter assembly according to an aspect of the present invention may include a first housing that is fluidly connected to the outside to receive raw water and transmit generated purified water to the outside; a second housing that is screw-coupled to the filter accommodation housing and fluidly connected to the outside; and a filter structure partially accommodated in each of the filter accommodation housing and the second housing, and configured to filter the raw water to generate the purified water, wherein the second housing includes a filter support body having a height in one direction and in which a filter support space is formed to at least partially accommodate the filter structure; and a handle member coupling rib protruding radially from the outer circumference of the filter support body.

Abstract: There is provided a capacitive touch control system adapted to detect low frequency signals, including a touch panel and an analog front end. The analog front end includes a frequency booster, which boosts a low frequency signal outputted by the touch panel using a variable reference frequency corresponding to different function symbols of the low frequency signal such that resistance of a resistor of an amplifier in the analog front end needs not to be increased thereby reducing the manufacturing cost and a leakage voltage drop on the resistor.

Abstract: A filter structure is disclosed. A filter structure according to an aspect of the present disclosure may include a plurality of membranes configured to selectively pass raw water through to produce purified water; a spacer disposed between the plurality of membranes configured to form a space through which the purified water flows; a tube configured to be connected to the space and the outside to form a flow path through which the purified water flows out, the plurality of membranes and the spacer being wound around the tube; and a seal assembly configured to extend along an outer perimeter of the plurality of membranes and seal the space in the outer circumferential direction, the seal assembly having a hardness different from that of the plurality of membranes.