Abstract: An image sensing device providing improved image quality includes a pixel array that outputs a pixel signal, a comparator that outputs a comparison result signal by comparing a reference signal and the pixel signal, a counter that outputs a count result signal having m bits by counting the comparison result signal, and an image signal processor that outputs an image signal having n bits by correcting the count result signal, wherein m and n are integers, and m is greater than n.

Abstract: The present disclosure relates to a device for cutting a secondary battery electrode, and more particularly, to a secondary battery electrode surface pressure cutting device including upper and lower blades configured to cut a secondary battery electrode and using a modularized adjustment module to finely adjust the upper blade. In order to achieve the above-mentioned object of the present disclosure, the present disclosure provides a secondary battery electrode surface pressure cutting device using an adjustment module, the surface pressure cutting device including an upper blade fixedly fastened to a moving block in a frame, and a lower blade fixedly fastened in a lower blade fixing block, in which the upper blade may cut an electrode while moving upward or downward, and the upper blade fixedly fastened to the moving block may be finely adjusted.

Abstract: The present disclosure discloses a quick-connecting receptacle for a liquid hydrogen storage tank. The quick-connecting receptacle comprises: a storage tank for storing liquid hydrogen; and a receptacle connecting an external transmission pipe and the storage tank so that liquid hydrogen introduced through the external transmission pipe is stored in the storage tank. The receptacle includes an upper receptacle connected to a lower end portion of the transmission pipe and a lower receptacle connected to an upper portion of the storage tank. The lower receptacle includes a cylinder member accommodated therein, and as the cylinder member moves up and down, liquid hydrogen or gaseous hydrogen is stored in the storage tank or liquid hydrogen or gaseous hydrogen is discharged from the storage tank to outside.

Abstract: The present disclosure relates to a hydrogen liquefaction system, comprising a hydrogen pipe, where gaseous hydrogen is introduced at a front end, heat exchange occurs in a heat exchange unit leading to liquefaction of gaseous hydrogen into liquid hydrogen; a pre-cooling device formed between the front end of the hydrogen pipe and the first heat exchange unit; an oxygen pipe, where gaseous oxygen is introduced at a front end, heat exchange occurs in the pre-cooling device leading to liquefaction of gaseous oxygen into liquid oxygen; and a heat exchange device, which is in thermal contact with the first heat exchange unit of the hydrogen pipe so as to perform heat exchange with the first heat exchange unit of the hydrogen pipe such that pre-cooled gaseous hydrogen can be liquefied into liquid hydrogen.

Abstract: The present disclosure relates to a liquid hydrogen vaporization system and a liquid hydrogen vaporization method for vaporizing hydrogen in a liquid state into a gaseous state so as to supply hydrogen to a fuel cell, comprising a blower for supercharging wet air in atmosphere, a moisture eliminator for removing moisture contained in wet air supercharged through the blower and converting wet air into dry air, and a heat exchange unit for heating hydrogen through heat exchange between dry air and hydrogen so that hydrogen in a liquid state supplied from a hydrogen tank can be vaporized into a gaseous state and be supplied to a fuel cell, wherein the moisture eliminator condenses moisture contained in wet air by using cooling energy released when hydrogen supplied from the hydrogen tank vaporizes, thereby removing moisture contained in wet air.

Abstract: An analog-digital converter includes a count code generator to receive a code generation clock signal from a clock signal generator and to output a count code according to the code generation clock signal, a latch to latch the count code, an operating circuit to generate a count value of the count code and to output a digital signal based on the count value, and a transfer controller to transfer the count code from the latch to the operating circuit. The transfer controller determines whether to transfer the count code according to a logic level of a count enable clock signal generated from the clock signal generator.

Abstract: Provided herein is a drill for a dental implant, which includes a coupling part connected to a hand piece configured to provide a rotational force, a body part disposed below the coupling part and configured to transmit the rotational force downward, a cutting part including a plurality of cutting blades and a void section, the cutting blades disposed below the body part to cut an alveolar bone and form a hole therein and being spaced apart at a predetermined angle in a rotational direction, and the void section surrounded by the cutting blades along at least a portion of an inner circumference of the cutting blades, and a coolant passage configured to communicate with the void section by passing through the coupling part and the body part and configured to, while the alveolar bone is being cut, supply coolant to the void section so that the coolant is introduced to the cutting blades.

Abstract: The present disclosure discloses a liquid hydrogen tank control device. The liquid hydrogen tank control device is capable of wireless communication. A control board measures a level of liquid hydrogen stored in a storage space of an inner tank of a liquid hydrogen tank based on a plurality of temperature values measured by a plurality of temperature sensors located at different heights from each other on an outer surface of the inner tank located inside an outer tank of the liquid hydrogen tank.

Abstract: The present disclosure discloses a quick-connecting receptacle for a liquid hydrogen storage tank. The quick-connecting receptacle comprises: a storage tank for storing liquid hydrogen; and a receptacle connecting an external transmission pipe and the storage tank so that liquid hydrogen introduced through the external transmission pipe is stored in the storage tank. The receptacle includes an upper receptacle connected to a lower end portion of the transmission pipe and a lower receptacle connected to an upper portion of the storage tank. The lower receptacle includes a cylinder member accommodated therein, and as the cylinder member moves up and down, liquid hydrogen or gaseous hydrogen is stored in the storage tank or liquid hydrogen or gaseous hydrogen is discharged from the storage tank to outside.

Abstract: A liquid hydrogen fuel tank including a container is disclosed. The container includes an outer tank and an inner tank; a gaseous hydrogen discharge pipe configured to allow gaseous hydrogen to flow therein; a liquid hydrogen supply pipe, of which a portion is located inside the gaseous hydrogen discharge pipe; a discharge connection pipe, of which one end is connected to the gaseous hydrogen discharge port of the inner tank and the other end is connected to the gaseous hydrogen discharge pipe; and an injection connection pipe, of which one end is connected to the liquid hydrogen supply port and the other end is connected to the liquid hydrogen supply pipe; wherein the gaseous hydrogen discharge pipe includes at least one gas discharge port configured for a connector of an external gas moving pipe to be inserted thereinto.

Abstract: Disclosed is a loop-wise route optimization method including defining, by a loop variable designer, a loop as a set of links of a predetermined directionality including a clockwise direction or a counterclockwise direction in which a start node and an end node are the same in a graph including nodes and links; defining, by the loop variable designer, loop variables that are virtual variables each having a continuous value between a negative base route value and a positive base route value assigned in a predetermined directionality including a clockwise direction or a counterclockwise direction to the loop; defining, by a base route designer, a base route has a positive value and of which a travel direction is set in a direction from the origin node to the destination node; and formulating, by an effective route searcher, an effective route problem using the loop variables and the base route.

Abstract: An image sensing device providing improved image quality includes a pixel array that outputs a pixel signal, a comparator that outputs a comparison result signal by comparing a reference signal and the pixel signal, a counter that outputs a count result signal having m bits by counting the comparison result signal, and an image signal processor that outputs an image signal having n bits by correcting the count result signal, wherein m and n are integers, and m is greater than n.

Abstract: The present invention relates to a method for manufacturing carbon composite fibers and carbon nanofibers, and more particularly, to a method for manufacturing carbon composite fiber with greatly improved specific tensile strength, specific modulus, electrical conductivity, and thermal conductivity.

Abstract: A digital pixel sensor for correcting and reducing a mismatch between a pixel and an analog digital converter provided. The digital pixel sensor includes a pixel array including a plurality of pixels; and a bank disposed on the pixel array. The bank includes: a plurality of comparators disposed on the plurality of pixels and configured to compare each of a plurality of pixel signals output from the plurality of pixels with a reference signal to output a plurality of comparison result signals; and a counter connected to the plurality of comparators, and configured to receive the plurality of comparison result signals and latch count code based on the plurality of comparison result signals.

Abstract: An analog-digital converter includes a count code generator to receive a code generation clock signal from a clock signal generator and to output a count code according to the code generation clock signal, a latch to latch the count code, an operating circuit to generate a count value of the count code and to output a digital signal based on the count value, and a transfer controller to transfer the count code from the latch to the operating circuit. The transfer controller determines whether to transfer the count code according to a logic level of a count enable clock signal generated from the clock signal generator.

Abstract: An analog-digital converter includes a count code generator to receive a code generation clock signal from a clock signal generator and to output a count code according to the code generation clock signal, a latch to latch the count code, an operating circuit to generate a count value of the count code and to output a digital signal based on the count value, and a transfer controller to transfer the count code from the latch to the operating circuit. The transfer controller determines whether to transfer the count code according to a logic level of a count enable clock signal generated from the clock signal generator.

Abstract: A digital pixel sensor for correcting and reducing a mismatch between a pixel and an analog digital converter provided. The digital pixel sensor includes a pixel array including a plurality of pixels; and a bank disposed on the pixel array. The bank includes: a plurality of comparators disposed on the plurality of pixels and configured to compare each of a plurality of pixel signals output from the plurality of pixels with a reference signal to output a plurality of comparison result signals; and a counter connected to the plurality of comparators, and configured to receive the plurality of comparison result signals and latch count code based on the plurality of comparison result signals.

Abstract: The present invention may provide an oil in water (O/W) cosmetic composition having water resistance and ease of facial cleansing, using an A-B-A type triblock copolymer which is included in the cosmetic, and thus may adjust the surfactant power. Further, it is possible to provide a method for imparting water resistance and ease of facial cleansing, using the A-B-A type triblock copolymer.

Abstract: Proposed is an yttrium-based granular powder for thermal spraying. The yttrium-based granular powder includes at least one yttrium compound powder selected from the group consisting of Y2O3, YOF, YF3, Y4Al2O9, Y3Al5O12, and YAlO3, and a silica (SiO2) powder. The yttrium-based granular powder is prepared by mixing the yttrium compound powder having a mean grain diameter of 50 nm to 900 nm and the silica powder having a mean grain diameter of 50 nm to 900 nm. The yttrium-based granular powder includes less than 10 wt % of a Y—Si—O mesophase. A thermal spray coating produced using the yttrium-based granular powder can exhibit low porosity, high density, and excellent plasma resistance.

Abstract: An air-cooled heat exchanger is provided. A reinforcement beam is laterally attached to an upper surface of a guide housing which is formed to have a dome shape having an area gradually increasing in a downward direction from the stack to guide air discharged to the stack. In another aspect, an air-cooled heat exchanger may further include an enclosure surrounding a power transmission part configured to transmit a rotation force of a motor to the fan to rotate the fan.