Abstract: Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.

Abstract: A water shortage detection system comprises: a body; a drive unit which is provided in the body to supply power for traveling of a robot cleaner; a plurality of rotary members which rotate about a plurality of respective rotation axes by the power from the drive unit and to which cleaners for wet cleaning of a surface to be cleaned can be fixed respectively; a water tank which is provided in the body to store water; a pump motor which supplies water stored in the water tank to the rotary members; and a control unit which measures the load current of the pump motor, wherein a water shortage state in the water tank is detected on the basis of the measured value of the load current of the pump motor.

Abstract: An electronic device includes a controller to receive a signal from an external electronic device, and, based at least in part on the received signal, identify a wireless power scheme among at least two wireless power schemes. During the transmission mode, the controller controls the full bridge circuit to convert DC power to AC power based on a wireless power frequency corresponding to the identified wireless power scheme by controlling at least one transistor of the full bridge circuit, and controls to wirelessly transmit power based on the AC power to the external electronic device. During the reception mode, the controller controls to receive power from the external electronic device, controls the full bridge circuit to convert the received power to DC power by controlling transistors of the full bridge circuit, and controls to provide the converted DC power for the battery of the electronic device.

Abstract: A water treatment apparatus using a lamella structure according to an embodiment of the present invention includes a first treatment tank which includes a plurality of inclined plates and is configured to pass water subject to treatment between the inclined plates adjacent to each other and a second treatment tank which is installed at a rear end of the first treatment tank to accommodate the water subject to treatment and into which bubbles are supplied, wherein the plurality of inclined plates include positive electrode plates and negative electrode plates that are alternately arranged, and the water subject to treatment passes between the positive electrode plate and the negative electrode plate.

Abstract: A three-dimensional (3D) mirror is provided that includes a glass substrate with a first major surface, a second major surface opposite to the first major surface, and a minor surface connecting the first and second major surfaces. The 3D mirror also includes a reflective layer on the first major surface of the glass substrate. The first major surface comprises an aspheric curvature and a reverse curvature that is disposed in a reverse curve region of the glass substrate. The first major surface has a surface roughness Ra in the reverse curve region of about 3 nm or less, and a peak to valley (PV) surface roughness in the reverse curve region of about 30 nm or less.

Abstract: A head-up display (HUD) mirror that includes a mirror substrate with a first major surface with a concave shape, a second major surface opposite to the first major surface and with a convex shape, and a minor surface connecting the first and second major surfaces. The HUD mirror also a reflective layer disposed on the first major surface. The first major surface has a first surface roughness Ra of 3 nm or less and a peak to valley (PV) roughness of less than 30 nm, and the mirror substrate is a glass or glass-ceramic material.

Abstract: A power providing device according to an embodiment of the present disclosure comprises a charger configured to adjust at least one of a voltage and a current of power provided from a power supplying source and to provide the adjusted power to an electronic device and a processor configured to receive, from the electronic device, at least one of identification information of the electronic device and information related to a battery of the electronic device, and to control the charger to adjust at least one of the voltage and the current of the power using at least one of the identification information about the electronic device and the information related to the battery of the electronic device.

Abstract: An electronic apparatus, a charge controlling method, and a computer-readable recording medium are provided. The electronic apparatus includes a battery unit including a battery and configured to supply power to components of the electronic apparatus using power of the battery, a charging circuit configured to, in response to the power being received from an external adapter, charge the battery using the received power, and a controller configured to detect a charging state of the battery, divide a charging process into a plurality of charging periods according to the detected charging state, and control the charging circuit to provide different target voltages to the divided charging periods and target currents determined according to the different target voltages and preset power consumption to the battery.

Abstract: A water treatment apparatus using a lamella structure according to an embodiment of the present invention includes a first treatment tank which includes a plurality of inclined plates and is configured to pass water subject to treatment between the inclined plates adjacent to each other and a second treatment tank which is installed at a rear end of the first treatment tank to accommodate the water subject to treatment and into which bubbles are supplied, wherein the plurality of inclined plates include positive electrode plates and negative electrode plates that are alternately arranged, and the water subject to treatment passes between the positive electrode plate and the negative electrode plate.

Abstract: An electronic device for charging a battery is provided. The electronic device includes a first path configured to receive a first power of a first voltage from an adapter, a second path configured to receive a second power of a second voltage from the adapter, a charger, connected to the first path, configured to receive the first power, adjust at least one of a voltage or a current of the first power, and provide the adjusted first power to the battery; and a processor configured to control to connect the second path to the battery during fast charging to directly connect the battery to the adapter.

Abstract: The present invention relates to an apparatus for molding a glass substrate, and more specifically, to an apparatus for molding a glass substrate capable of forming a glass substrate in a 3D shape and preventing the shape of a vacuum hole from transferring onto the surface of the substrate.

Abstract: An electronic apparatus, a charge controlling method, and a computer-readable recording medium are provided. The electronic apparatus includes a battery unit including a battery and configured to supply power to components of the electronic apparatus using power of the battery, a charging circuit configured to, in response to the power being received from an external adapter, charge the battery using the received power, and a controller configured to detect a charging state of the battery, divide a charging process into a plurality of charging periods according to the detected charging state, and control the charging circuit to provide different target voltages to the divided charging periods and target currents determined according to the different target voltages and preset power consumption to the battery.

Abstract: An electronic apparatus, a charge controlling method, and a computer-readable recording medium are provided. The electronic apparatus includes a battery unit including a battery and configured to supply power to components of the electronic apparatus using power of the battery, a charging circuit configured to, in response to the power being received from an external adapter, charge the battery using the received power, and a controller configured to detect a charging state of the battery, divide a charging process into a plurality of charging periods according to the detected charging state, and control the charging circuit to provide different target voltages to the divided charging periods and target currents determined according to the different target voltages and preset power consumption to the battery.

Abstract: An electronic device is provided that includes a housing and a power receiver disposed within the housing. The power receiver includes a conductive pattern for receiving power wirelessly. The conductive pattern includes a main coil having a plurality of turns, a first sub-coil formed at an input port of the main coil, and a second sub-coil formed at an output port of the main coil. The electronic device also includes a controller configured to control to receive power using the conductive pattern.

Abstract: An electronic device includes a controller to receive a signal from an external electronic device, and, based at least in part on the received signal, identify a wireless power scheme among at least two wireless power schemes. During the transmission mode, the controller controls the full bridge circuit to convert DC power to AC power based on a wireless power frequency corresponding to the identified wireless power scheme by controlling at least one transistor of the full bridge circuit, and controls to wirelessly transmit power based on the AC power to the external electronic device. During the reception mode, the controller controls to receive power from the external electronic device, controls the full bridge circuit to convert the received power to DC power by controlling transistors of the full bridge circuit, and controls to provide the converted DC power for the battery of the electronic device.

Abstract: An electronic device according to various embodiments of the present disclosure includes a power supply configured to supply DC power, a controller configured to determine a wireless power transmission mode or a wireless power reception mode if at least one electronic device is detected, and output a control signal indicating a wireless power transmission frequency supported by the detected electronic device from among a plurality of wireless power transmission frequencies if the wireless power transmission mode is determined, a conversion circuit configured to output the DC power supplied from the power supply as AC power in response to the control signal output from the controller and a wireless power transceiver configured to transmit the AC power supplied.

Abstract: A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.

Abstract: An electronic apparatus for charging a battery with an optimum charge profile corresponding to a pattern of use and a state of the battery is provided. The electronic apparatus may include a power supply configured to supply power to respective components of the electronic apparatus using power of a battery, and when receiving an input of power from an external adaptor, to charge the battery using the inputted power, and a processor configured to fully charge and discharge the battery to thus generate a charge curve and a discharge curve expressed in time and charge amount, and control the power supply to charge the battery using a charge profile corresponding to the generated charge curve and discharge curve.

Abstract: A wireless power transmitting apparatus wirelessly charging a wireless power receiving apparatus is provided. The wireless power transmitting apparatus includes a power providing unit configured to provide power, a gate driver configured to generate a differential signal formed of a first signal and a second signal from the power provided from the power providing unit, an amplifier configured to amplify the differential signal by a predetermined gain, a power transmitting unit configured to transmit the amplified differential signal to the wireless power receiving apparatus, and a differential signal correcting circuit that is disposed between the gate driver and the amplifier and is configured to correct the differential signal so that a predetermined phase difference between the first signal and the second signal is maintained.

Abstract: A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.