A method for analyzing electromagnetic characteristic includes steps as follows. An electromagnetic evaluation model establishing step is performed, which includes establishing an object unit, a power transmitting unit, and a simulating unit. The object unit is an arbitrary geometry shape. The power transmitting unit has an electromagnetic signal. The simulating unit is defined as at least one base point emitting a plurality of beams to form a plurality of projection points. An electromagnetic reference model is provided, wherein the object unit and the power transmitting unit are combined to form the electromagnetic reference model. A comparing step is performed, wherein a radiation pattern data of the electromagnetic reference model and a radiation pattern data of the electromagnetic evaluation model are obtained by the electromagnetic signal, respectively, and the two radiation pattern data are compared to obtain an electromagnetic gain difference value.

A wireless power receiving device includes a first housing, a second housing coupled to the first housing to be changed in relative position with respect to the first housing, a first resonance circuit disposed in the first housing, and at least one processor. The at least one processor may be configured to control the wireless power receiving device to wirelessly receive power from a wireless power transmitting device through the first resonance circuit, identify a charging efficiency corresponding to the received wireless power, and in case the identified charging efficiency is less than a threshold, provide content for changing an angle between the first housing and the second housing.

A flexible wireless charging mouse pad includes an anti-slip cushion layer, a double-sided adhesive layer, and a coil. The anti-slip cushion layer has a topside with a single-ring groove, and the single-ring groove has an inner bottom groove wall. The double-sided adhesive layer is adhered to the topside. The coil has multiple surrounding rings arranged side by side with one another to form a coil module, and the coil module of the coil inside the single-ring groove is stacked and connected between the double-sided adhesive layer and the inner bottom groove wall and adhered by the double-sided adhesive layer, so as to achieve a wireless charging effect by the mouse pad in the condition of having only one single-ring groove on the flexible board layer, further to achieve the effects of reducing manufacturing difficulty, lowering manufacturing cost, and improving market competitiveness.

A flexible wireless charging mouse pad includes an anti-slip cushion layer, a double-sided adhesive layer, and a coil. The anti-slip cushion layer has a topside with a single-ring groove, and the single-ring groove has an inner bottom groove wall. The double-sided adhesive layer is adhered to the topside. The coil has multiple surrounding rings arranged side by side with one another to form a coil module, and the coil module of the coil inside the single-ring groove is stacked and connected between the double-sided adhesive layer and the inner bottom groove wall and adhered by the double-sided adhesive layer, so as to achieve a wireless charging effect by the mouse pad in the condition of having only one single-ring groove on the flexible board layer, further to achieve the effects of reducing manufacturing difficulty, lowering manufacturing cost, and improving market competitiveness.

A power feed mat includes a substrate including a power transmission coil capable of transmitting electric power to a power reception coil mounted on a vehicle and a cover sheet that covers the power transmission coil and at least one functional layer that can be provided at at least one of a position above the substrate and a position below the substrate and performs a prescribed function.

The present disclosure relates to an energy harvesting technology for generating electrical energy by using a combination of a solar cell and a thermoelectric device. An energy harvesting system according to one embodiment of the present disclosure may include a solar cell for generating electrical energy based on sunlight; a heat transfer layer formed on at least one edge portion of the upper surface of the solar cell on which sunlight is incident; and a thermoelectric device including a first electrode, a second electrode, a thermoelectric channel disposed between the first and second electrodes, having a horizontal structure in which the first electrode is disposed on the heat transfer layer to be arranged horizontally with respect to the solar cell, and configured to generate additional electrical energy based on the temperature difference between the first and second electrodes.

Subject matter disclosed herein may relate to detecting wireless signals and/or signal packets and may relate more particularly to detecting wireless signals and/or signal packets at energy-harvesting devices.

An air-core inductor with a temperature measurement system. The temperature measurement system uses a thermographic sensor, an energy harvesting device configured for obtaining electrical energy from the electromagnetic field and a transmitter configured for contactless data transmission arranged on the air-core inductor. The energy harvesting device may include a coil, a rectifier element, and a storage.

A container for housing a motorcycle helmet, defining a compartment where the helmet can be arranged, characterized by comprising at least one wireless power transmitter that is associated with said compartment, that can be operatively connected to an electric power source and that is adapted to send electric charge to at least one wireless power receiver of an electric device provided with at least one rechargeable battery associated with said helmet, to recharge said battery during a step of wireless power recharge.

A wireless power reception system 1 includes: a power reception device 5 including a power reception coil 51 that receives power supplied wirelessly from a power transmission coil 41 of a power transmission device 4 installed in a road surface, at least a portion of the power reception coil 51 being housed in a wheel 3 of a moving body 2; and a driving device 61 which is installed in the wheel 3 and which drives the wheel 3 with power received by the power reception device 5, wherein the power reception device 5 is provided with a converter 56a and an inverter 56b, at least a portion of the converter 56a and at least a portion of the inverter 56b are housed in the wheel 3, the converter 56a is positioned vertically above the power reception coil 51, and the inverter 56b is positioned vertically above the converter 56a.