Abstract:
A coil module includes a substrate; a wireless charging coil formed in a substantially central portion of the substrate positioned on both surfaces of the substrate; and a first wireless communications coil which does not directly contact the wireless charging coil and is formed in the substantially central portion of the substrate on both surfaces of the substrate, wherein, in a region of the substrate in which the wireless charging coil and the first wireless communications coil are overlapped with each other, the wireless charging coil is formed on one surface of the region and the first wireless communications coil is formed on the other surface of the region, respectively.
Abstract:
A wireless power transmitter according to an exemplary embodiment in the present disclosure may include a transmitting core; a transmitting coil provided on the transmitting core and transmitting power wirelessly; and a magnetic body provided on the transmitting core and allowing a virtual line which is normal to a surface of the magnetic body to form an acute angle with the transmitting core.
Abstract:
An antenna pattern frame includes an antenna radiator receiving an external signal and transmitting the received external signal to an electronic device, a radiator frame having the antenna radiator on a surface thereof, and a guide boss protruding from the radiator frame and preventing the radiator frame from moving vertically in a mold for manufacturing an electronic device case having an inner space having a shape corresponding to that of an electronic device case.
Abstract:
There is provided an electronic shelf label having an improved signal reception rate by implementing an antenna receiving a signal in a patch form on a surface of a device. The electronic shelf label includes: a case; a receiving unit provided in the case to receive and process a wireless signal including product information and including a patch antenna at least partially embedded in the case to receive the wireless signal; and a display unit provided in the case and at least partially opened to an exterior of the case to display the product information.
Abstract:
There are provided an apparatus and a method of receiving power wirelessly, and a system for supplying power wirelessly using the same. The apparatus for receiving power wirelessly may include a power receiving unit receiving power wirelessly in a non-contact manner, a switching unit operating the power receiving unit, and a controlling unit controlling an output voltage by adjusting an OFF switching operation of the switching unit.
Abstract:
There is provided an electronic device including a power-receiving unit configured to receive power by a contactless scheme, a battery package including a battery cell configured to be charged with the power received by the power-receiving unit, and an electronic device main body configured to receive the power from the battery package to perform a set operation.
Abstract:
There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
Abstract:
A coil substrate for wireless power transmission includes: an insulating substrate including a first surface and a second surface; a first wiring portion disposed on the first surface, wherein the first wiring portion includes first spiral patterns and a section in which opposing ends of each of the first spiral patterns are disposed parallel to each other; a second wiring portion disposed on the second surface and including second spiral patterns, wherein opposing ends of each of the second spiral patterns are spaced apart from each other; and conductive vias alternately connecting the first spiral patterns and the second spiral patterns to each other to form coil turns.
Abstract:
A wireless power receiver according to an exemplary embodiment in the present disclosure may include a resonant tank receiving a power signal and varying a resonant frequency in response to a control signal; and a determining unit determining a wireless power transmission mode on the basis of the power signal and outputting the control signal depending on a determination result.
Abstract:
A wireless power transmitter is electromagnetically coupleable to a receiving coil of a wireless power receiver to provide power wirelessly and includes a substantially planar transmitting core. A transmitting coil has a plurality of windings and is disposed on a surface of the transmitting core. The transmitting core may extend beyond the transmitting coil in a planar direction.