Abstract: A method of manufacturing a lithium secondary battery includes (1) mixing a transition metal precursor and a lithium source material and then sintering the mixture to prepare a lithium composite transition metal oxide, (2) mixing the lithium composite transition metal oxide with a cobalt-containing raw material and heat-treating the mixture at 550° C. to 700° C. to form a cobalt coating layer on the oxide, (3) mixing the lithium composite transition metal oxide on which the cobalt coating layer is formed with a boron-containing raw material and heat-treating the mixture at 400° C. to 500° C. to prepare a positive electrode active material including a boron coating layer, (4) applying the positive electrode active material onto a positive electrode current collector to prepare a positive electrode, and (5) assembling the positive electrode, the negative electrode including a silicon-based negative electrode active material, and a separator, and injecting an electrolyte.

Abstract: A muscular strength assisting apparatus includes a muscular strength assisting portion that assists a user's muscular strength and a first connecting link including one side connected to one side of the muscular strength assisting portion and an opposite side rotatable relative to a shoulder of the user about a first rotation axis. The muscular strength assisting portion includes an upper arm module that assists muscular strength of an upper arm of the user and a link assembly including one side connected to one side of the upper arm module to be rotatable about a second rotation axis non-parallel to the first rotation axis and an opposite side disposed adjacent to a portion of a body of the user to be supported on the user.

Abstract: Provided is a concentration measuring device which includes: a main pipe through which a fluid whose concentration is to be measured flows; a flow cell having a fluid passage and a light passage formed to pass through the fluid passage; a spectrometer capable of measuring absorbance for each wavelength of the source light transmitted to the flow cell and the received light receiving from the flow cell; and an optical cable connecting the flow cell and the spectrometer with each other, wherein the flow cell is separated from the main pipe to be provided separately, and a fluid pipe is connected to the flow cell, so that the fluid flows from the main pipe to the flow cell through the fluid pipe using a pitot tube.

Abstract: Provided is a concentration measuring device which includes: a main pipe through which a fluid whose concentration is to be measured flows; a flow cell having a fluid passage and a light passage formed to pass through the fluid passage; a spectrometer capable of measuring absorbance for each wavelength of the source light transmitted to the flow cell and the received light receiving from the flow cell; and an optical cable connecting the flow cell and the spectrometer with each other, wherein the flow cell is separated from the main pipe to be provided separately, and a fluid pipe is connected to the flow cell, so that the fluid flows from the main pipe to the flow cell through the fluid pipe using a pitot tube.

Abstract: Disclosed is an athletic posture analysis device including a pressure sensor plate for measuring the distribution of pressure applied to each of the feet of a user who performs an athletic action by the weight of the user, a display device for displaying athletic posture analysis information of the user, and a controller for performing control so as to specify the size and position of each of the feet of the user using information measured by the pressure sensor plate, to map a predetermined foot image, and to display the mapped foot image and the information regarding the distribution of pressure applied to each of the feet of the user in an overlapping fashion through the display device.

Abstract: According to various embodiments of the present disclosure, a camera device comprises a camera housing where a camera assembly is mounted; a decoration part covering the camera housing; and a fixing part provided along a periphery of the camera housing and fixing the decoration part, wherein the fixing part includes a path part along which static electricity introduced through the decoration part moves a discharge module mounted adjacent to the camera housing. Various other embodiments are possible as well.

Abstract: Disclosed is an athletic posture analysis device including a pressure sensor plate for measuring the distribution of pressure applied to each of the feet of a user who performs an athletic action by the weight of the user, a display device for displaying athletic posture analysis information of the user, and a controller for performing control so as to specify the size and position of each of the feet of the user using information measured by the pressure sensor plate, to map a predetermined foot image, and to display the mapped foot image and the information regarding the distribution of pressure applied to each of the feet of the user in an overlapping fashion through the display device.

Abstract: According to various embodiments of the present disclosure, a camera device comprises a camera housing where a camera assembly is mounted; a decoration part covering the camera housing; and a fixing part provided along a periphery of the camera housing and fixing the decoration part, wherein the fixing part includes a path part along which static electricity introduced through the decoration part moves a discharge module mounted adjacent to the camera housing. Various other embodiments are possible as well.

Abstract: A method and apparatus for establishing a connection to a short range wireless communication device using identity information such as contact address is provided. The method includes collecting, when a connection request is made to a device corresponding to contact information stored in the short range wireless communication device, device information of short range wireless communication devices discovered nearby, and establishing a connection to the short range wireless communication device represented by the device information matching with the contact information in part among the collected device information. The short range wireless communication apparatus and method of the present invention facilitate connection to a target device even when a large number of devices are discovered nearby.

Abstract: A method and apparatus for establishing a connection to a short range wireless communication device using identity information such as contact address is provided. The method includes collecting, when a connection request is made to a device corresponding to contact information stored in the short range wireless communication device, device information of short range wireless communication devices discovered nearby, and establishing a connection to the short range wireless communication device represented by the device information matching with the contact information in part among the collected device information. The short range wireless communication apparatus and method of the present invention facilitate connection to a target device even when a large number of devices are discovered nearby.