Abstract: A power supply device is provided. The power supply device includes an AC/DC converter configured to convert an input AC power into a first DC power having a predetermined size, and to output the first DC power, a DC/DC converter configured to convert the first DC power into a second DC power according to an enable signal, and a switch including a soft switch connected to the first DC power at one end, and configured to, in response to the soft switch being turned on, voltage-distribute the first DC power, and to provide the voltage-distributed first DC power to the DC/DC converter as an enable signal.

Abstract: The present disclosure relates to an audio system and a method of controlling the same. An aspect of the present disclosure is to provide an optimal listening state according to a user setting volume and hardware characteristics of an audio system. The audio system includes a signal inputter configured to receive an input audio signal; a signal processor configure to variably apply a dynamic range for each area of the input audio signal, to apply a scaling of a size corresponding to an inverse number of a boosting gain determined by a user setting volume for the input audio signal, to perform a tone mapping of the input audio signal by applying the boosting gain, to perform signal compensation for the input audio signal by the inverse number of the scaling, and to apply a master volume according to the user setting volume; a storage configured to store parameters used in signal processing of the signal processor; and a signal outputter configured to output the audio signal processed by the signal processor.

Abstract: A method and an apparatus for processing a screen by using a device are provided. The method includes obtaining, at the second device, a display screen displayed on the first device and information related to the display screen according to a screen display request regarding the first device, determining, at the second device, an additional screen based on the display screen on the first device and the information related to the display screen, and displaying the additional screen near the display screen on the first device.

Abstract: Provided are virtual space moving apparatus and method. A virtual space moving apparatus includes a 3D camera to capture real space; a display; and a processor to display a virtual space, implement a virtual object corresponding to an actual object in an actual space, and display virtual object at a specific position in virtual space, set a first detection area adjacent to an initial position of actual object and a second detection area spaced from initial position of actual object and surrounding first detection area, when actual object is moved by a first distance in first detection area outwards from initial position, move virtual object by first virtual movement distance, and when actual object is moved by first distance in second detection area outwards from a boundary between first detection area and second detection area, move virtual object by a second virtual movement distance greater than first virtual movement distance.

Abstract: A sound output apparatus is provided. The sound output apparatus according to an embodiment includes an inputter, an outputter, a storage configured to store mapping information between a volume level and a dynamic range of the sound output apparatus and a processor configured to obtain a dynamic range corresponding to a volume level currently set to the sound output apparatus based on the mapping information, process a sound signal input through the inputter based on the dynamic range and output the processed sound signal through the outputter.

Abstract: The floating-type contamination measurement apparatus according to embodiments of the present invention can provide a body part; a buoyancy providing part, which is received to the body part and provides buoyancy to the body part; and a measurement part, which is received to the body part and measures the level of contamination in a closed space.

Abstract: An electronic device according to an embodiment of the present invention comprises: a housing that comprises a first surface which faces a first direction and a second surface which faces a second direction opposite to the first direction, and that comprises a first transparent plate which forms at least a portion of the first surface of the housing; a display that is disposed between the first transparent plate and the second face of the housing, and comprises a second transparent plate which faces the first direction, and a third transparent plate which faces the second direction; a first electrode, a second electrode, a third electrode, and a fourth electrode that are disposed between the second transparent plate and the third transparent plate; and a control circuit that is electrically connected to the first electrode, the second electrode, the third electrode, and the fourth electrode, wherein the control circuit may be configured to detect the position of touch input with respect to the first transpare

Abstract: A method for manufacturing a semiconductor device with an improved doping profile is provided. The method includes providing a measuring target including a first region having a plurality of layers, inputting a first input signal into the measuring target and measuring a resulting first output signal, such as a change over time of a first output electric field that is transmitted through or reflected by the first region. Based on a first model including first structural information of a plurality of first modeling layers and information on doping concentrations of each of the plurality of first modeling layers, calculating a second output signal. When a result of comparing the first output signal with the second output signal is smaller than a threshold value, a three-dimensional model of the measuring target may be estimated based on the first model.

Abstract: An exemplary embodiment of the present invention provides a urea water manufacturing device which can reduce the time for producing urea water by forming a vibrating atmosphere using an ultrasonic wave generator when stirring urea and pure water supplied inside a stirring tank, and can produce urea water with high purity by real-time feedback control of specific gravity of urea water, and a method thereof. The urea water manufacturing device according to an exemplary embodiment of the present invention includes a pure water supply unit, a urea supply unit, a stirring unit, a specific gravity detection unit, a control unit, and a urea water discharge unit.

Abstract: An image providing method includes displaying a first image, the first image including an object and a background; receiving a user input selecting the object or the background as a region of interest; acquiring first identification information associated with the region of interest based on first attribute information of the first image; acquiring a second image from a target image, the second image including second identification information, the second identification information being the same as the first identification information; and generating an effect image based on at least one of the first image and the second image.

Abstract: The floating-type contamination measurement apparatus according to embodiments of the present invention can provide a body part; a buoyancy providing part, which is received to the body part and provides buoyancy to the body part; and a measurement part, which is received to the body part and measures the level of contamination in a closed space.

Abstract: Provided are a low-power ultrasound sensor that detects whether an object exists at a high speed, an object detecting method of the ultrasound sensor, and a computer-readable storage medium. The ultrasound sensor may include: a transmitter that outputs a plurality of first ultrasound beams having different frequencies; a receiver that receives a first reflection signal that is output when the output plurality of first ultrasound beams are reflected from an object; and a controller that determines a first area in a space, controls the transmitter to respectively output the plurality of first ultrasound beams to a plurality of first sub-areas that are included in the first area, and determines whether the object is included in each of the plurality of first sub-areas, based on the first reflection signal.

Abstract: A device can provide an air state detection floating device capable of remaining in the air, the device comprising: a power supply unit; at least one memory for storing instructions; at least one processor; a communication unit for transmitting and receiving data; a driving unit for generating a driving force; a first sensing unit for detecting information on an air state of an enclosed space; and a second sensing unit for generating location information, wherein the instructions are executable by the processor so as to the processor to perform operations, and the operations comprise: an operation that generates a control signal for movement in the enclosed space on the basis of the data; and an operation that controls the driving unit based on the control signal.

Abstract: A head-mounted wearable device (HMWD) may be fashioned that includes temples that pass near each ear of the user. A temple may incorporate a bone conduction speaker (BCS) to provide audio output to the user. During wear, a portion of the BCS is in physical contact with a head of the user to transfer the vibrations from the BCS to the user. To accommodate different head shapes and sizes, a head contact piece may be mounted to the BCS. The user may add, remove, or swap the head contact piece from an assortment of such pieces to find a profile that is comfortable to the wearer and improves performance of the BCS. The head contact piece may be magnetically affixed, allowing for easy changeout.

Abstract: Provided are a method used by a user to change focus of a camera to a particular point with respect to a target object via a wearable device and the wearable device performing the method. The wearable device may display a target object image displayed on a preview display of the camera and may receive a user input for changing focus to a particular point of the target object image. The wearable device may request the camera to change focus based on the user input.

Abstract: A head-mounted wearable device (HMWD) includes a bone conduction speaker (BCS) to provide audio output to a user wearing the HMWD. The BCS may be mounted within a recess of a temple of the HMWD. During wear a portion of the BCS is in physical contact with a head of the user. In one implementation, a head contact piece may be mounted to the side of the BCS that is proximate to the head. The head contact piece is contoured to maximize the contact area with the head, and may have a cross section that is approximately wedge shaped, with a thicker portion of the wedge proximate to the front of the HMWD. The BCS may include low damping elements to provide protection to the BCS from damage and improve performance, as well as high damping elements to reduce the transfer of vibrations from the BCS to the temple.

Abstract: An electronic apparatus and a method for controlling the electronic apparatus are provided. The electronic apparatus includes an audio processor that outputs an audio including a first audio component and a second audio component and a controller that controls the audio processor to change a ratio of the first audio component to the second audio component according to the changed audio level, in response to receiving an instruction to change a level of the output audio.

Abstract: An electronic device includes a housing that includes a first surface facing a first direction, a second surface facing a second direction that is opposite the first direction, and a transparent member forming at least part of the first surface, a display that is interposed between the first surface and the second surface of the housing and is exposed through the transparent member, and a force sensor that is interposed between the display and the second surface of the housing.

Abstract: The present invention relates to a zipper cord yarn and a reflective zipper wherein the zipper cord yarn containing a reflective yarn is sewn on a zipper by means of lock stitch, thereby enhancing the visibility of the zipper through retroreflective properties of the reflective yarn. The zipper cord yarn includes a core yarn, and a covering yarn made of a reflective yarn to cover the core yarn.

Abstract: A method performed by a wearable device to provide feedback includes detecting a user motion; determining, based on the detected user motion, a body part to which a feedback signal is to be transmitted; generating the feedback signal; and outputting the feedback signal, wherein the feedback signal is an electrical signal to stimulate muscles of the body part.