Abstract: A method for controlling an induction heating apparatus according to one embodiment includes receiving a heating start command; determining whether or not to perform a temperature correction operation based on a difference between a current driving start time point of a working coil and a previous driving end time point of the working coil; obtaining an equivalent resistance value of the working coil and a container placed on the working coil by driving the working coil at a preset reference frequency, when it is determined to perform the temperature correction operation; obtaining a temperature correction value based on the equivalent resistance value; obtaining a temperature value sensed by a temperature sensor; and correcting the temperature value based on the temperature correction value.

Abstract: An imaging device, according to one embodiment of the present invention, comprises: an input unit for receiving first Bayer data having a first resolution and a noise level; and a convolutional neural network for outputting second Bayer data having a second resolution by using the noise level and the first Bayer data.

Abstract: An image processing device according to one embodiment comprises a processing unit which receives first Bayer data from an image sensor, receives gyro data from a gyro sensor, and generates, from the first Bayer data, by using the received gyro data, second Bayer data compensated for camera movement.

Abstract: The present invention relates to an induction heating apparatus. In order to cope with various types of containers without increasing an operating frequency of an induction heating apparatus, the present invention compares a resistance value of a container with a predetermined reference resistance value, and determines an operating mode of a switching device according to a result of the comparison. According to the present invention, it is possible to use various types of containers without increasing an operating frequency of an induction heating apparatus, by adjusting a resonance frequency of a working coil according to a resistance value of a container used in the induction heating apparatus.

Abstract: An induction heating apparatus may receive a power level input for a heating area, determine a required power value corresponding to the power level, determine a heating frequency corresponding to the required power value, and set a driving frequency of the working coil to an initial frequency determined based on the heating frequency and then drive the working coil. The driving frequency may be changed from a current driving frequency to a target frequency based on a predetermined frequency change cycle.

Abstract: An induction heating apparatus according to one embodiment may confirm a feature of a container and determine an operation mode based on the feature of the container before performing an operation of heating the container. In one embodiment, the operation mode of the induction heating apparatus may be determined as any one of a frequency doubler mode, a half bridge mode, and a full bridge mode. In one embodiment, a power control mode of the induction heating apparatus may be determined based on an operation mode of the induction heating apparatus. In one embodiment, the power control mode of the induction heating apparatus may be determined as any one of an asymmetric pulse width modulation (APWM) mode and a phase shift mode.

Abstract: Disclosed are a phase current control device for a DAB converter and a method therefor. The device includes a DAB converter having at least one leg including a switching element, a phase current measuring unit for measuring a phase current for each of the legs, and a phase current phase controller for performing phase control by setting one of the phase currents of the respective legs as a reference phase current, comparing each of the other phase currents with the reference phase current to derive a phase difference for each of the phase currents, and compensating each of the phase currents for a corresponding one of the phase differences.

Abstract: The present invention relates to an induction heating apparatus. In order to cope with various types of containers without increasing an operating frequency of an induction heating apparatus, the present invention compares a resistance value of a container with a predetermined reference resistance value, and determines an operating mode of a switching device according to a result of the comparison. According to the present invention, it is possible to use various types of containers without increasing an operating frequency of an induction heating apparatus, by adjusting a resonance frequency of a working coil according to a resistance value of a container used in the induction heating apparatus.

Abstract: A remote sensing circuit and a high-power supply apparatus having the remote sensing circuit. The high-power supply apparatus can include a feedback circuit to feedback power output from a high-power supply unit to an input terminal of the high-power supply apparatus. The remote sensing circuit can include a switching unit connected between an output terminal of the high-power generating unit and the feedback circuit of the high-power supply apparatus to open the connection in a normal status and to close the connection in an abnormal status, a load channel to connect the high-power generating unit and a load, and a remote sensing unit having one terminal commonly connected to the load and the load channel and another terminal commonly connected to the switching unit and the feedback circuit to sense power supplied to the load.

Abstract: Provided is a power supply apparatus with low power in a standby mode. The apparatus includes a voltage multiplier configured to multiply an input voltage and including a first terminal through which the multiplied voltage is output and a second terminal through which a voltage lower than a voltage of the first terminal is output; a main switch-mode power supply (SMPS) configured to receive the voltage of the first terminal of the voltage multiplier; and a standby SMPS configured to receive a voltage of the second terminal of the voltage multiplier.

Abstract: A power supply input device including a first resistance of a discharge resistance conversion unit connected in parallel to a discharge resistance unit; and a switching unit of the discharge resistance conversion unit connected to the first resistance and performing a switching operation according to an externally received control signal, thus minimizing power losses occurring when a system is in a standby mode.

Abstract: A switching mode power supply apparatus includes a transformer, a main switch to adjust power supplied to a primary coil of the transformer, a passive clamp circuit to suppress a voltage stress of the main switch, and a control circuit to disable a clamping operation of the passive clamp circuit in a standby mode of the switching mode power supply apparatus. Power is not consumed in the passive clamp circuit in a standby mode so that power consumed in the standby mode can be remarkably reduced.

Abstract: A method of controlling a plurality of output voltages in a multi-output power supply device for generating a plurality of output powers by using a transformer. The method includes, if a system to which power is supplied from the multi-output power supply device is in a standby mode, blocking any one of at least two output powers of a secondary side of the transformer, wherein the blocked power is supplied to the system; and compensating for a resistance of a feedback circuit connected to a switching controller of a power switch of a primary side of the transformer in relation to one or more unblocked output powers of the transformer and maintaining the output of the unblocked output power to be constant.

Abstract: Provided is a power supply apparatus with low power in a standby mode. The apparatus includes a voltage multiplier configured to multiply an input voltage and including a first terminal through which the multiplied voltage is output and a second terminal through which a voltage lower than a voltage of the first terminal is output; a main switch-mode power supply (SMPS) configured to receive the voltage of the first terminal of the voltage multiplier; and a standby SMPS configured to receive a voltage of the second terminal of the voltage multiplier.

Abstract: A switching power source apparatus includes a converting unit to convert a voltage level of power, a first switch to switch power supplied to the converting unit, a second switch connected in series with the first switch and turned on after the first switch has been turned on, and a voltage clamp unit to clamp a level of a voltage applied across the series connection of the first switch and the second switch to a predetermined voltage or less.

Abstract: An image forming apparatus includes a converting unit to convert a voltage level of power; a first switch to switch power supplied to the converting unit; a second switch connected in series with the first switch and turned on after the first switch has been turned on; and a voltage clamp unit to clamp a level of a voltage applied across the series connection of the first switch and the second switch to a predetermined voltage or less.

Abstract: A synchronous rectifier circuit and a multi-output power supply device using the same include a semiconductor switch to control a current flow of the synchronous rectifier circuit, and a switching controller to control the semiconductor switch according to a synchronous rectification control signal and an output control signal generated by feeding back the output voltage of the synchronous rectifier circuit. The synchronous rectifier circuit can control an output voltage, decrease power loss so as to increase the efficiency of the synchronous rectifier circuit, and decrease the cost of the synchronous rectifier circuit.

Abstract: A method of controlling a plurality of output voltages in a multi-output power supply device for generating a plurality of output powers by using a transformer. The method includes, if a system to which power is supplied from the multi-output power supply device is in a standby mode, blocking any one of at least two output powers of a secondary side of the transformer, wherein the blocked power is supplied to the system; and compensating for a resistance of a feedback circuit connected to a switching controller of a power switch of a primary side of the transformer in relation to one or more unblocked output powers of the transformer and maintaining the output of the unblocked output power to be constant.

Abstract: A power supply input device including a first resistance of a discharge resistance conversion unit connected in parallel to a discharge resistance unit; and a switching unit of the discharge resistance conversion unit connected to the first resistance and performing a switching operation according to an externally received control signal, thus minimizing power losses occurring when a system is in a standby mode.

Abstract: A multi-output power supply device includes a first power switch, a first switch controller that controls the first power switch, a transformer that transforms a power supplied from the first power switch, first through Nth output circuits connected to a secondary side of the transformer, where N is a positive integer greater than 1, a second power switch that switches the power output from one of the first through Nth output circuits, a second switch controller that controls the second power switch, a feedback circuit that feeds back output voltages of the first through Nth output circuits, and a feedback compensation circuit that performs a switching operation complementarily with the second power switch to compensate for a resistance of the feedback circuit. Accordingly, when power output to one of the output circuits is blocked, the multi-output power supply device can stably control the power output to the other output circuits.