Abstract: The present invention provides a vehicle air compressor including a shaft provided with an impeller disposed at one side thereof and a runner disposed at the other side thereof, a motor configured to rotate the shaft, a trust bearing which supports the shaft in a longitudinal direction of the shaft and of which a surface is disposed adjacent to a surface of the runner, wherein a cooling hole for cooling air between the trust bearing and the runner is disposed in the trust bearing.

Abstract: Provided is a method for producing a packing sheet with improved insulation and storage properties, which can greatly reduce logistics costs by minimizing a volume during storage and transportation and also greatly increase insulation.

Abstract: Provided is a method for producing a packing sheet with improved insulation and storage properties, the method including: producing a cell packing sheet by attaching together two overlapping films such that multiple cells are formed therebetween, by sealing second ends of the cells, and by disposing a check valve in an injection hole formed in a first end of each of the cells; inflating the cells by injecting a fluid through the respective check valves of the cells; attaching upper and lower films respectively to upper and lower sides of the cell packing sheet; cutting the cell packing sheet along a second edge thereof together with the upper and lower films such that the second ends of the sealed cells are opened; and sealing a second end of the upper film, a second end of the cell packing sheet, and a second end of the lower film.

Abstract: Provided is a method for producing a packing sheet with improved insulation and storage properties, which can greatly reduce logistics costs by minimizing a volume during storage and transportation and also greatly increase insulation.

Abstract: When a user wants to move or share the contents, information on network status, a position of a terminal, and a property of the terminal is collected and displayed intuitively to the user. Then, quality of the contents is adjusted in accordance with selection of the user adaptively. The contents can be displayed through the selected terminal with adaptively adjusted quality based on the information on network status, the position of a terminal, and the property of the selected terminal.

Abstract: Disclosed is a self-tailored insole. The self-tailored insole comprises: an inner sole; and a hard member, attached to a lower side of the inner sole, transformable depending on a morphology of a user's sole, said hard member comprising: a heel portion which has a curved portion configured to allow the inner sole to closely contact with and support left, right and rear sides of a heel of the user, and an arch portion configured to allow the inner sole to closely contact with and support arches of a sole of the user, said heel portion and said arch portion being formed as one body, thus preventing the heel and the arches from being abnormally distorted upon locomotion.

Abstract: When a user wants to move or share the contents, information on network status, a position of a terminal, and a property of the terminal is collected and displayed intuitively to the user. Then, quality of the contents is adjusted in accordance with selection of the user adaptively. The contents can be displayed through the selected terminal with adaptively adjusted quality based on the information on network status, the position of a terminal, and the property of the selected terminal.

Abstract: The present invention relates to a cladding structure of an optical fiber laser capable of allowing efficient optical pumping at a core of the optical fiber laser using the concept of quantum chaos, and more particularly, to a cladding structure of an optical fiber laser, which enables efficient pumping in an optical fiber by constructing the cladding in a non-integrable structure for causing quantum chaos so that a pumping beam injected in the cladding can pass through a core of the optical fiber as much as possible.

Abstract: The present invention relates to an apparatus for controlling chaos using oscillation quenching, and more particularly, to an apparatus for controlling chaos using oscillation quenching, wherein a chaos system to be controlled can be easily stabilized by coupling the chaos system with another chaos system or a periodic system that can be easily implemented, using the concept of oscillation quenching.

Abstract: The present invention relates to a microdisk laser with a unidirectional generation property, and more particularly, to a microdisk laser designed in the form of a triangle, wherein the incident angles of portions of a laser beam at two upper sides of the triangle are greater than a critical angle to cause total reflection, so that the laser beam generates with directionality toward the base of the triangle. To this end, in the microdisk laser with the unidirectional generation property, the laser takes the shape of a triangle with two upper sides and the base and the two upper sides have their lengths greater than or equal to that of the base. Respective vertexes of the triangle or some of the vertexes are curved, and incident angles of portions of a laser beam at the two upper sides of the triangle are greater than a critical angle to cause total reflection, so that the laser beam generates with directionality toward the base of the triangle.

Abstract: Disclosed herein is an encryption and communication apparatus and method using a modulated delay time feedback chaotic system. The encryption apparatus of the present invention includes chaotic signal generating means for generating a high-dimensional chaotic signal in response to an original chaotic signal and a predetermined feedback chaotic signal, delay time modulating means for delaying the high-dimensional chaotic signal output from the chaotic signal generating means by a predetermined time and modulating the time-delayed chaotic signal, and feedback means for receiving the chaotic signal output from the chaotic signal generating means and the modulated time-delayed signal output from the delay time modulating means, performing addition and subtraction operations with respect to the received signals, and feeding the operated result back to the chaotic signal generating means.