Abstract: An electronic apparatus according to various embodiments comprises: a wireless communication circuit comprising a broadband communication module and a Bluetooth communication module; a processor; and a memory operationally connected to the wireless communication circuit, wherein the memory may store instructions for controlling the processor, when executed, to measure a distance from a mobile device on the basis of a first signal transmitted and received through the broadband communication module, determine a direction in which the mobile device is located according to whether a second signal transmitted and received through the Bluetooth communication module is measurable, and control execution of a function of the electronic apparatus according to the determined direction of the mobile device when the measured distance of the mobile device is located in an area set for the execution of the function.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: An electronic device disposed on a door frame includes a back plate attached to the door frame, a housing coupled to the back plate, a first antenna that transmits or receives a signal having a first wavelength with an external electronic device, a second antenna that is disposed closer to the back plate than the first antenna and that transmits or receives a signal having the first wavelength with the external electronic device, an electric-wave blocking member that is disposed between the back plate and the second antenna and that blocks a signal reflected by the door frame, and at least one processor operatively connected with the first antenna and the second antenna. The first antenna and the second antenna are disposed inside the housing, and an antenna pattern of the second antenna is different from an antenna pattern of the first antenna.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: An electronic apparatus according to various embodiments comprises: a wireless communication circuit comprising a broadband communication module and a Bluetooth communication module; a processor; and a memory operationally connected to the wireless communication circuit, wherein the memory may store instructions for controlling the processor, when executed, to measure a distance from a mobile device on the basis of a first signal transmitted and received through the broadband communication module, determine a direction in which the mobile device is located according to whether a second signal transmitted and received through the Bluetooth communication module is measurable, and control execution of a function of the electronic apparatus according to the determined direction of the mobile device when the measured distance of the mobile device is located in an area set for the execution of the function.

Abstract: Provided are an electronic device and an operation method thereof. The electronic device may include: first and second antennas to receive a signal output by an external electronic device; a communication circuit configured to control the first antenna and the second antenna; and a processor. The processor may be configured to: receive the signal through the first antenna and the second antenna; measure a first distance between the first antenna and the external electronic device using the signal received by the first antenna; measure a second distance between the second antenna and the external electronic device using the signal received by the second antenna; determine a movement direction of the external electronic device based on a change in a difference between the first distance and the second distance; and perform a preset operation corresponding to the movement direction of the external electronic device. Other embodiments are also possible.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: An electronic device disposed on a door frame includes a back plate attached to the door frame, a housing coupled to the back plate, a first antenna that transmits or receives a signal having a first wavelength with an external electronic device, a second antenna that is disposed closer to the back plate than the first antenna and that transmits or receives a signal having the first wavelength with the external electronic device, an electric-wave blocking member that is disposed between the back plate and the second antenna and that blocks a signal reflected by the door frame, and at least one processor operatively connected with the first antenna and the second antenna. The first antenna and the second antenna are disposed inside the housing, and an antenna pattern of the second antenna is different from an antenna pattern of the first antenna.

Abstract: Provided are an electronic device and an operation method thereof. The electronic device may include: first and second antennas to receive a signal output by an external electronic device; a communication circuit configured to control the first antenna and the second antenna; and a processor. The processor may be configured to: receive the signal through the first antenna and the second antenna; measure a first distance between the first antenna and the external electronic device using the signal received by the first antenna; measure a second distance between the second antenna and the external electronic device using the signal received by the second antenna; determine a movement direction of the external electronic device based on a change in a difference between the first distance and the second distance; and perform a preset operation corresponding to the movement direction of the external electronic device. Other embodiments are also possible.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: A wireless power transmission system using multiple coils comprises a transmitter; and a receiver, wherein the transmitter includes a module for receiving a predetermined voltage, and a primary coil for generating a primary resonance frequency in accordance with the received voltage. The receiver spaced apart from the transmitter includes a load for emitting light, capacitors connected in series or in parallel in accordance with an equivalent resistance of the load, and a secondary coil for generating a secondary resonance frequency greater than the primary resonance frequency.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: A wireless power transmission system using multiple coils comprises a transmitter; and a receiver, wherein the transmitter includes a module for receiving a predetermined voltage, and a primary coil for generating a primary resonance frequency in accordance with the received voltage. The receiver spaced apart from the transmitter includes a load for emitting light, capacitors connected in series or in parallel in accordance with an equivalent resistance of the load, and a secondary coil for generating a secondary resonance frequency greater than the primary resonance frequency.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.

Abstract: Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.