Abstract: An additive manufacturing (AM) system, an AM method, and an AM feature extraction method are provided. The AM system includes an AM tool, a product metrology system, an in-situ metrology system, a virtual metrology (VM) system, a compensator, a track planner, a controller, a simulator and an augmented reality (AR) device. The simulator is used to find feasible parameter ranges, while the AR device is used to support operations and maintenance of the AM tool. The product metrology system, the in-situ metrology system and the VM system are integrated to estimate the variation of material on a powder bed of the AM tool. The compensator is used for compensating the process variation by adjusting process parameters. The product metrology system is used to measure the quality of products. The in-situ metrology system is used to collect features of melt pools on the powder bed.

Abstract: A washing machine includes: a cabinet having a first opening and a washing space formed therein; and a door assembly provided to open and close the first opening, wherein the door assembly includes: a door body having a second opening and corresponding to the first opening and provided to rotate relative to the cabinet; door glass having a glass hole communicating with the inside of the cabinet and coupled with the rear surface of the door body; a guide duct that connects the second opening and the glass hole; and a sealing member. The sealing member can prevent washing water or internal air from escaping from the door assembly.

Abstract: A low-cost and high-compatibility optical pickup including a light source, one set of optical sensors, and a controller. The light source illuminates a string assembled on an instrument. The set of optical sensors corresponding to the light source is provided to sense the shading of the string. The controller supplies the sensed data from the set of optical sensors to a system host for recognition of the melody played on the string. Considering the other strings assembled on the instrument, the optical pickup includes other sets of optical sensors to sense the shading of the other strings which are also illuminated by the light source. The controller also supplies the sensed data of the other sets of optical sensors to the system host for recognition of the melody played on the other strings.

Abstract: A washing machine includes: a cabinet having a first opening and a washing space formed therein; and a door assembly provided to open and close the first opening, wherein the door assembly includes: a door body having a second opening and corresponding to the first opening and provided to rotate relative to the cabinet; door glass having a glass hole communicating with the inside of the cabinet and coupled with the rear surface of the door body; a guide duct that connects the second opening and the glass hole; and a sealing member. The sealing member can prevent washing water or internal air from escaping from the door assembly.

Abstract: A washing machine includes: a cabinet having a first opening and a washing space formed therein; and a door assembly provided to open and close the first opening, wherein the door assembly includes: a door body having a second opening and corresponding to the first opening and provided to rotate relative to the cabinet; door glass having a glass hole communicating with the inside of the cabinet and coupled with the rear surface of the door body; a guide duct that connects the second opening and the glass hole; and a sealing member. The sealing member can prevent washing water or internal air from escaping from the door assembly.

Abstract: Disclosed herein is a surface treatment method of a ceramic powder using microwave plasma in order to enhance flowability. The surface treatment method can be applied to a ceramic powder having a small particle size of 45 ?m or less and can significantly enhance flowability while reducing an influence on a particle size compared to a conventional method. Consequently, the ceramic particles surface-treated by the above-described surface treatment method can be formed to have a smooth and dense coating film without pores during spray coating.

Abstract: A washing machine includes: a cabinet having a first opening and a washing space formed therein; and a door assembly provided to open and close the first opening, wherein the door assembly includes: a door body having a second opening and corresponding to the first opening and provided to rotate relative to the cabinet; door glass having a glass hole communicating with the inside of the cabinet and coupled with the rear surface of the door body; a guide duct that connects the second opening and the glass hole; and a sealing member. The sealing member can prevent washing water or internal air from escaping from the door assembly.

Abstract: The present invention provides an inspection apparatus for osseointegration of implants, which comprises an inspection base, a holding end, and an inspection end. The holding end is disposed at one end of the inspection base; the inspection end is disposed at the other end of the inspection base. Beside, the inspection end is disposed on one side of the holding end. The holding end includes a signal processing module and a wireless transmission module therein. The inspection end includes an inspection probe, disposed at one end of the inspection end. The inspection probe includes one or more excitation device and a receiver located on the same side of the inspection probe. According to the present invention, the inspection apparatus detects the condition of an object under inspection in a non-contact manner by using an excitation source. An acquired displacement difference is then transmitted to an electronic apparatus through wireless transmission.

Abstract: A tensioner comprising a base defining a hole, the hole having a center C, the hole having a diameter sufficient to receive a driven pulley, a rotary arm engaged with the base by a retaining member connected to the base, the rotary arm rotatable about the center C, a pivot arm mounted to the rotary arm on a pivot, the pivot offset from center C, a first pulley journalled to the rotary arm, a second pulley journalled to the pivot arm, a torsion spring engaged between the rotary arm and the pivot arm for biasing the second pulley toward the first pulley, a damping member frictionally engaged between the base and the rotary arm, and the rotary arm defining a portion for receiving a first pulley fastener whereby a first pulley position is adjustable.

Abstract: A washing machine including a first tub accommodated in a housing and formed by assembling a first member disposed in the front portion with a second member disposed in the rear portion; a second tub disposed above the first tub, a drum rotatably disposed in the inside of the second tub; and a driving shaft connected to the drum, configured to transfer a driving force to the drum and located further behind than an engaged portion of the first member and the second member of the first tub.

Abstract: A method of utilizing an audio signal to transmit data for conducting electronic transactions includes in a user device, converting user identification data into a first audio signal and transmitting the first audio signal to a base device; in the base device, converting the first audio signal into the user identification data; in the base device, transmitting the user identification data and transaction content to a server device; and in the server device, obtaining authorization of a validation entity by utilizing the user identification data and the transaction content, for obtaining a transaction number and transmitting the transaction number to the base device.

Abstract: A virtual reality (VR) training system for a team sport, which implements tactical training in a VR environment. A server generates VR content based on target trajectories of a trainee in a tactic. A VR device (e.g., including a VR head-mounted display) receives the VR content to display the virtual environment and instructs the trainee to practice the target trajectories. The VR device further provides a motion sensor device that detects and returns the head pose, actions, and positions of the trainee to the server. The server updates the VR content according to the head pose, actions, and positions of the trainee. The target trajectories are further marked with timing and head orientation to instruct the trainee when to execute each trajectory and where to look for catching ball opportunity.

Abstract: One aspect of the present invention provides a rechargeable battery that is capable of preventing a vent from being oxidized by preserving a plating layer of a surface of a vent. An exemplary embodiment of the present invention provides a rechargeable battery, including: an electrode assembly for performing charging and discharging operations; a case for accommodating the electrode assembly; and a cap assembly combined to an opening of the case and sealing the case. The case includes a vent at one side, and the vent has a plurality of ends in a thickness direction of the case and includes a plating layer on its surface.

Abstract: Disclosed are an image processing device and an image processing method performing a slice-based compression. The image processing method includes applying a first compression method to some slices of a first frame image including first to N-th slices (N is an integer of 2 or greater) to generate an I-slice, applying a second compression method to the other slices of the first frame image to which the first compression was not applied to generate a plurality of P-slices, and transmitting less than N packets including the generated I-slice and the generated P-slices with respect to the first frame image.

Abstract: A detection device, which is used with a mobile electronic device having an image capturing unit, is provided. The detection device includes a plasma generation unit and a light decomposing unit. The plasma generation unit generates plasma from a sample. The light decomposing unit decomposes light emitted by the plasma for spectral analysis. The mobile electronic device receives and analyzes the light decomposed by the light decomposing unit to determine whether an element exist in the sample.

Abstract: Disclosed herein are a washing machine, which includes a main body in which a main entrance is formed at a front thereof, a tub that is provided inside the main body, and a main door that is coupled to the main body to open and close the main entrance and includes a glass member and a holder member. The glass member includes a flange portion that is coupled to the holder member, and a body portion that protrudes toward an inside of the tub and has an auxiliary entrance formed therein for inputting laundry to the inside of the tub while the main door is closed. With this configuration, opening the auxiliary door and additionally inputting laundry is possible during a washing cycle.

Abstract: The present invention relates to an annular scanning device for optical tomography scanning and imaging system, which comprises a carrying base, a rotating member, a plurality of optical channel modules, and a driving module. The rotating member is disposed on the carrying base. The plurality of optical channel modules are disposed annularly on the rotating member and connected to the rotating member. When the driving module drives the rotating member to rotate, a plurality of optical channel assemblies of the plurality of optical channel modules move towards or away from the center of the rotating member for adjusting the distance between the plurality of optical channel assemblies and an object under test.

Abstract: Disclosed herein are a washing machine comprising, a first tub, a second tub disposed above the first tub, a first housing configured to cover the first tub, a second housing disposed on the first housing, and configured to cover the second tub, and a first coupling portion protruding from the second tub toward the second housing, and configured to fix the second tub on the second housing.

Abstract: Disclosed is a washing machine having an improved wire connection structure for electrically connecting electrical components. The washing machine includes a cabinet which has a first electrical component, forms an exterior, and has an opening through which laundry is inserted; a door provided with a second electrical component, and configured to open and close the opening; a wire which electrically connects the first electrical component and the second electrical component; and a hinge which has a wire guide portion for coupling the door to the cabinet so as to be rotatable about a rotating axis and for guiding the wire.

Abstract: A washing machine includes: a cabinet having a first opening and a washing space formed therein; and a door assembly provided to open and close the first opening, wherein the door assembly includes: a door body having a second opening and corresponding to the first opening and provided to rotate relative to the cabinet; door glass having a glass hole communicating with the inside of the cabinet and coupled with the rear surface of the door body; a guide duct that connects the second opening and the glass hole; and a sealing member. The sealing member can prevent washing water or internal air from escaping from the door assembly.