Abstract: A wearable electronic device is provided. A wearable electronic device includes a housing including a lens frame accommodating a transparent member, and a wearing member having at least a portion thereof configured to move relative to the lens frame, a processor positioned inside the housing, and an input structure including a wheel configured to adjust position of the wearing member with respect to the lens frame. The processor is configured to perform a specified operation, based on a signal obtained using the input structure.

Abstract: A wearable device for adjusting the size of an effective display area depending on external illuminance and a control method is provided. The wearable device includes a display module and at least one processor, wherein the at least one processor may be configured to control the display module to output light having a first brightness value from at least one light source of the display module so as to display a virtual object in an effective display area having a first size, determine whether or not surrounding illuminance of the wearable device increases while the light having the first brightness value is output, change, based on the determination that the surrounding illuminance increases, a size of the effective display area displaying the virtual object from the first size to a second size, and control the display module to display the virtual object in the effective display area having the second size.

Abstract: A wearable electronic device is provided. The wearable electronic device may include a housing, at least one processor included in the housing, at least one first camera module configured to capture an image for a first field of view (FOV), and at least one second camera module configured to capture an image for a second FOV different from the first FOV. The at least one processor may be configured to control the at least one first camera module to obtain first image frames at a first frame rate, based on identification, based on at least a part of the first image frames, that a user's hand is disposed in a designated area of the first FOV, control the at least one first camera module to obtain second image frames at a second frame rate greater than the first frame rate, and maintain, in an inactive state, the at least one second camera module, or activate the second camera module, and control the at least one second camera module to operate the at least one second camera module at the first frame rate.

Abstract: A substrate processing apparatus includes first to fourth sets of inner surfaces that at least partially define a plasma forming region, a gas supply region, gas mixing region, and a substrate processing region, respectively, where the substrate processing apparatus is configured to form a plasma within the plasma forming region, supply a process gas from the gas supply region to the plasma forming region, form an etchant in the gas mixing region based on recombination of radicals supplied from the plasma forming region, and process a substrate based on the etchant within the substrate processing region; a shower head between the gas mixing region and the substrate processing region and configured to supply the etchant to the substrate processing region; a coating layer covering a surface of the shower head and including nickel (Ni) containing phosphorus (P); and a heater configured to control a surface temperature of the shower head.

Abstract: Various embodiments according to the present invention relate to a power conversion device and method, the device comprising: a converter; a capacitor unit including a plurality of capacitors for storing input voltage input thereto; a switch unit connected to the capacitor unit and including a plurality of switches for selectively connecting at least one capacitor among the plurality of capacitors to the converter; and a controller connected to the capacitor unit and the switch unit, wherein the controller determines at least one capacitor satisfying a specified condition, among the plurality of capacitors, sets at least one switch among the plurality of switches to be turned on, the at least one switch corresponding to the at least one capacitor, and sets at least another switch among the plurality of switches except for the at least one switch, to be turned off, so that the at least one capacitor and the converter are electrically connected and configured to allow at least partial voltage of the input volta

Abstract: A direct current (DC)/DC converter is provided. The DC/DC converter includes multiple switches, a capacitor, an inductor, and at least one processor, wherein, when the output voltage of the DC/DC converter is less than a first threshold voltage, the at least one processor is configured to control an on/off state of the multiple switches so as to increase the current output from the inductor based on the current, which is output from the inductor, being less than a first threshold current, and control a second switch and a fourth switch to be in an on state or control a first switch and a third switch be in the on state to allow one end or the other end of the capacitor to be connected to one end of the inductor, based on the current, which is output from the inductor, being increased to be greater than or equal to the first threshold current.

Abstract: An electronic device includes a housing, a display exposed through one surface of the housing, at least one ground member, a first battery disposed in the housing and including a first anode and a first cathode, a second battery disposed in the housing and including a second anode and a second cathode electrically connected with the at least one ground member, a charging circuit electrically connected with the first battery and the second battery, a charging interface electrically connected with the charging circuit, and a power management integrated circuit electrically connected with the charging interface and the charging circuit and managing power supplied to the electronic device. When an external power source is connected through the charging interface, the charging circuit connects the first battery and the second battery in series during a first time period and connects the first battery and the second battery in parallel during a second time period.

Abstract: Disclosed are an apparatus and a method of multi-phase pruning a neural network with multi-sparsity levels and an SIMD-based neural network pruning method, and the SIMD-based neural network pruning method according to an exemplary embodiment of the present disclosure includes GEMM-transforming an internode weight kernel applied to a layer in a neural network; and pruning the GEMM-transformed weight kernel with a predetermined SIMD width as a unit.

Abstract: Various embodiments according to the present invention relate to a power conversion device and method, the device comprising: a converter; a capacitor unit including a plurality of capacitors for storing input voltage input thereto; a switch unit connected to the capacitor unit and including a plurality of switches for selectively connecting at least one capacitor among the plurality of capacitors to the converter; and a controller connected to the capacitor unit and the switch unit, wherein the controller determines at least one capacitor satisfying a specified condition, among the plurality of capacitors, sets at least one switch among the plurality of switches to be turned on, the at least one switch corresponding to the at least one capacitor, and sets at least another switch among the plurality of switches except for the at least one switch, to be turned off, so that the at least one capacitor and the converter are electrically connected and configured to allow at least partial voltage of the input volta

Abstract: An electronic device includes a housing, a display exposed through one surface of the housing, at least one ground member, a first battery disposed in the housing and including a first anode and a first cathode, a second battery disposed in the housing and including a second anode and a second cathode electrically connected with the ground member, a charging circuit electrically connected with the first battery and the second battery, a charging interface electrically connected with the charging circuit, and a power management integrated circuit electrically connected with the charging interface and the charging circuit and managing power supplied to the electronic device. When an external power source is connected through the charging interface, the charging circuit connects the first battery and the second battery in series during a first time period and connects the first battery and the second battery in parallel during a second time period.

Abstract: The present disclosure relates to a voltage conversion circuit including: a plurality of switched capacitors; and a buck converter configured to be alternately applied with a first voltage and a second voltage output from each of two switched capacitors selected from the plurality of switched capacitors and to convert the applied first voltage or second voltage into an output voltage and to provide the output voltage. According to an embodiment, output terminals of each of the plurality of switched capacitors may be selectively electrically connected to an input terminal of the buck converter.

Abstract: The present disclosure relates to a voltage conversion circuit including: a plurality of switched capacitors; and a buck converter configured to be alternately applied with a first voltage and a second voltage output from each of two switched capacitors selected from the plurality of switched capacitors and to convert the applied first voltage or second voltage into an output voltage and to provide the output voltage. According to an embodiment, output terminals of each of the plurality of switched capacitors may be selectively electrically connected to an input terminal of the buck converter.

Abstract: The present invention relates to a method for preparing dried alpha-rice by vacuum drying comprising: (a) washing out impurities from the surface of hulled-rice by using a washing device; (b) immersing the washed rice in water for 3 to 120 minutes to contain water uniformly, and then drying it naturally for 3 to 30 minutes; (c) putting the soaked rice into an auto conveyor rice cooker, wherein the temperature of water is maintained at 80 to 98% C, and then scalding it for 8 to 20 minutes to be boiled rice; (d) cooling the boiled rice rapidly by shower at first, and then washing out it in a cooling tank secondly; and (e) putting the boiled rice into a vacuum drying room, which temperature is maintained at 60 to 98% C, and reducing the internal pressure to below 1 Torr, and then vacuum drying the boiled rice until its water content becomes less 5%.