Abstract: The disclosure relates to an ultrathin micro-spectrometer and a method of manufacturing the same, and more particularly, relates to an ultrathin micro-spectrometer including: a lens portion including: a convex lens; and a back-reflection grating layer which is formed on a rear surface of the convex lens and on the same surface of which a reflective diffraction grating and a first planar reflector are arranged; a substrate layer which is disposed to be spaced apart from the lens portion and on which a light incidence microslit is formed; a second planar reflector which is formed on the substrate layer; and a complementary metal-oxide-semiconductor (CMOS) sensor on which light reflected by the lens portion is focused, and a method of manufacturing the same.

Abstract: Disclosed herein are an airfoil, and a turbine blade and gas turbine including the same. The airfoil includes a first cooling passage allowing a first cooling fluid introduced from the bottom of a leading edge to flow into a first serpentine channel formed on a pressure side, and to be then discharged to the rear of a trailing edge, and a second cooling passage allowing a second cooling fluid introduced from the bottom of a suction side to be divided and flow into at least two second serpentine channels formed on the suction side, and allowing the divided cooling fluids introduced into the at least two second serpentine channels to be joined at the bottom thereof and to be then discharged to the rear of the trailing edge.

Abstract: A display apparatus includes a user inputter receiving a user input; a content receiver receiving content data from a content source; a display configured to display an image included in the content data; a sound output configured to output sound included in the content data; and a processor configured to decode the content data into sound data, set a sound parameter according to a result of reinforcement learning about the sound parameter based on the user input, convert the sound data into a sound signal according to the set sound parameter, and control the sound output to output the sound corresponding to the sound signal.

Abstract: Embodiments of the present invention relate to a lighting apparatus capable of providing three-dimensional effects at the same time as the surface emission of light sources by using a half-mirror member for reflecting and transmitting parts of light. In particular, by adopting the half-mirror member for transmitting a part of and reflecting another part of light emitted from a surface-emitting light source module, the present invention allows the implementation of a mirror-like image when the light is off, and allows the implementation of a light image providing various three-dimensional effects when the light is on.

Abstract: A rehabilitation device includes a first support unit adapted to support palms of a rehabilitation patient; a second support unit which is provided in one side of the first support unit and adapted to support fingers of the rehabilitation patient; a driving unit which moves the second support unit toward a direction of a back of a hand of the rehabilitation patient; and a joint unit which allows the first support unit to be tilted as the second support unit moves.

Abstract: A computer automatic assembly system is proposed. The computer automatic assembly system includes: a database for storing information of an assembly and mounting area of a part combined to a mainboard, and program information such as information of a BIOS, a driving driver, and an operating system, and periodically updating the corresponding information through a communication part including a wired/wireless communication network; a device digestive module for checking the part through a photographing means, moving the checked part to the assembly and mounting area of the part provided on the mainboard through the photographing means and a robot arm for transfer, assembling, and mounting the part, and then writing a driving program and circuit information of the part; and an administrator terminal for periodically upgrading or updating part information necessary for the device digestive module by a part company server through a communication network including the wired/wireless communication network.

Abstract: The disclosure relates to an electronic apparatus including: a user input unit; an audio output unit; and a processor configured to identify whether a changing pattern of audio volume levels is present based on a history of the audio volume levels set by a user for a predetermined period of time, perform automatic volume-level control, by which an audio volume level of the audio output unit is controlled based on the changing pattern of the audio volume levels, based on presence of the corresponding pattern, and perform no automatic volume-level control, based on absence of the changing pattern of the audio volume levels.

Abstract: A display apparatus includes a user inputter receiving a user input; a content receiver receiving content data from a content source; a display configured to display an image included in the content data; a sound output configured to output sound included in the content data; and a processor configured to decode the content data into sound data, set a sound parameter according to a result of reinforcement learning about the sound parameter based on the user input, convert the sound data into a sound signal according to the set sound parameter, and control the sound output to output the sound corresponding to the sound signal.

Abstract: An audio contents recognition method includes receiving an audio signal; obtaining audio fingerprints (AFPs) based on a spectral shape of the received audio signal; generating hash codes for the obtained audio fingerprints; transmitting a matching query between the generated hash codes and hash codes stored in a database; and receiving a contents recognition result of the audio signal in response to the transmitting, wherein the generating of the hash codes includes: determining a frame interval delta_F of an audio fingerprint to generate the hash codes among the obtained audio fingerprints.

Abstract: Embodiments of the present invention relate to a lighting apparatus capable of providing three-dimensional effects at the same time as the surface emission of light sources by using a half-mirror member for reflecting and transmitting parts of light. In particular, by adopting the half-mirror member for transmitting a part of and reflecting another part of light emitted from a surface-emitting light source module, the present invention allows the implementation of a mirror-like image when the light is off, and allows the implementation of a light image providing various three-dimensional effects when the light is on.

Abstract: Disclosed is a rehabilitation device including: a first support unit which supports palms; a second support unit which is provided in one side of the first support unit thereby supporting fingers; a driving unit which moves the second support unit toward the direction of the back of a hand; and a joint unit which allows the first support unit to be tilted as the second support unit moves. The fingers and palms are allowed to be sequentially flipped.

Abstract: The present disclosure relates to an apparatus and method for selecting a preloading application by considering a user pattern of an electronic device and for determining a preloading level. The electronic device according to the present disclosure includes a data management unit for determining a score of an application, and an application selection unit for selecting a preloading application based on the score of the application. In addition, the electronic device may further include a preloading level determination unit for determining a preloading level based on a variable indicating a state of the electronic device with respect to the selected preloading target application and the score.

Abstract: Embodiments of the present invention relate to a lighting apparatus capable of providing three-dimensional effects at the same time as the surface emission of light sources by using a half-mirror member for reflecting and transmitting parts of light. In particular, by adopting the half-mirror member for transmitting a part of and reflecting another part of light emitted from a surface-emitting light source module, the present invention allows the implementation of a mirror-like image when the light is off, and allows the implementation of a light image providing various three-dimensional effects when the light is on.

Abstract: An example sound output apparatus may include an input unit, an output unit, and a processor configured to perform first-filtering of a frequency band of an audio signal received through the input unit based on a sound pressure of the sound output apparatus, second-filtering of a frequency band of the first-filtered audio signal based on a frequency response characteristic of the sound output apparatus, adjust a loudness of the received audio signal based on a perception volume level of the second-filtered audio signal, and output the adjusted audio signal through the output unit.

Abstract: The disclosure relates to an electronic apparatus including: a user input unit; an audio output unit; and a processor configured to identify whether a changing pattern of audio volume levels is present based on a history of the audio volume levels set by a user for a predetermined period of time, perform automatic volume-level control, by which an audio volume level of the audio output unit is controlled based on the changing pattern of the audio volume levels, based on presence of the corresponding pattern, and perform no automatic volume-level control, based on absence of the changing pattern of the audio volume levels.

Abstract: Embodiments of the present invention relate to a lighting apparatus capable of providing three-dimensional effects at the same time as the surface emission of light sources by using a half-mirror member for reflecting and transmitting parts of light. In particular, by adopting the half-mirror member for transmitting a part of and reflecting another part of light emitted from a surface-emitting light source module, the present invention allows the implementation of a mirror-like image when the light is off, and allows the implementation of a light image providing various three-dimensional effects when the light is on.

Abstract: An orthodontic post and pin assembly including a post structure, being slotted at its back end, for accommodating a pin therethrough, the post includes a further slot into which the wire of an orthodontic appliance may locate, so that when the post and pin assembly are connected onto the wire, and a hybrid screw is tighten within the post, the appliance may become affixed to the wire at the position of its tightening and securement. This eliminates the need for removal of the wire, when a different or different size orthodontic appliance needs to be installed.

Abstract: Embodiments of the present invention relate to a lighting apparatus which allows a three dimensional effect to be felt while surface light is emitted in a light source using a half-mirror member configured to reflect and transmit some light. Particularly, the present invention employs a half-mirror member configured to transmit some light emitted from a light source module configured to emit surface light and reflect the remaining light to implement an image like that reflected by a mirror when the lighting apparatus is off and a light image through which various three-dimensional images are felt when the lighting apparatus is on.

Abstract: Disclosed are a display apparatus and a method of controlling the display apparatus. The display apparatus includes: a signal receiver configured to receive a broadcasting signal; a display configured to display an image based on the received broadcasting signal; a sound receiver configured to receive a sound spoken by a user; a first sound recognizer configured to be supplied with power when the display apparatus is in a standby mode, and determine whether the received sound is a reserved word candidate having a high probability of corresponding to a reserved word; a second sound recognizer configured to be supplied with power when the received sound is determined as the reserved word candidate and to determine whether the received sound is the reserved word; and a controller configured to control the preset operation to be performed when the received sound is determined as the reserved word.

Abstract: An electronic device providing a smart sound mode is provided. The electronic device includes: a user command receiver; an inputter; an outputter; and a processor configured to: in response to a predetermined event occurring, provide a user interface (UI) for guiding setting of a smart sound mode; in response to the smart sound mode being selected according to a user command input through the user command receiver, individually render a first sound signal which is a common component among a plurality of channels forming the sound signal and a second sound signal which is a differential component among the plurality of channels based on whether the first sound signal comprises a voice and whether the second sound signal comprise a sound effect, mix the first and second sound signals which are rendered into a multi-channel sound signal and control the outputter to output the multi-channel sound signal.