About 29 results
https://drivepatents.com/patents/1374708 · 2 Jun 2026
The present disclosure provides a wireless charging system and a control method thereof. The control method includes: when the battery pack is in over-discharged state, controlling the power transmitting module to wirelessly transmit first preset power, i....
https://drivepatents.com/patents/1374709 · 2 Jun 2026
A power receiving apparatus wirelessly receives power from a power transmitting apparatus, and performs communication with the power transmitting apparatus. The power receiving apparatus transmits, to the power transmitting apparatus, a packet for requesti...
https://drivepatents.com/patents/1114908 · 28 May 2026
A power transmission device includes: a coil that performs power transmission or power reception in a wireless manner; a power supply device that is connected to the coil and applies a voltage to the coil; and a control device that controls the power suppl...
https://drivepatents.com/patents/1114909 · 28 May 2026
Provided is a wireless charger for providing power received from a power supply device to a power receiving device. In the wireless charger, a control circuit may control a communication circuit of the wireless charger so as to, on the basis that the commu...
https://drivepatents.com/patents/965003 · 26 May 2026
A power receiving device includes: power receiving unit configured to receive power wirelessly from a power transmitting device; receiving unit configured to receive first information related to a voltage of an inverter included in the power transmitting d...
https://drivepatents.com/patents/965002 · 26 May 2026
A method for optimized wireless power transfer between two coils by transferring power of a coil of a primary side to a coil on a secondary side, the method including determining a common resonant frequency of the primary and secondary sides by measuring a...
https://drivepatents.com/patents/965001 · 26 May 2026
Systems and methods for operating a wireless power transfer device are described. A circuit can generate a first signal that indicates a voltage at a node between a first high-side (HS) transistor and a first low-side (LS) transistor in a switching convert...
https://drivepatents.com/patents/1382843 · 14 May 2026
A wireless power transfer system is provided having a wireless transmission system with an input to receive input power from an input power source, a transmission antenna configured to couple with a receiver antenna associated with a wireless receiver syst...
https://drivepatents.com/patents/1382844 · 14 May 2026
A device for transmission of wireless power according to an embodiment of the present specification comprises: a power conversion circuit for transmitting the wireless power to a wireless power receiving device; and a communication/control circuit for comm...
https://drivepatents.com/patents/1382404 · 7 May 2026
In a non-contact power supply system, each of a main power supply device and a sub power supply device includes a timer counter. The main power supply device transmits a square wave to the sub power supply device. The sub power supply device performs inter...