About 122 results
https://drivepatents.com/patents/1378468 · 5 Feb 2026
Wireless charger devices can incorporate various combinations of features, such as monolithic ferrite structures to shield the inductive coil that include sidewalls to confine flux, a common-mode choke integrated with the ferrite, and/or robust grounding o...
https://drivepatents.com/patents/1378064 · 15 Jan 2026
A wireless charging technique for a smart tool holder, each tool base incorporating a corresponding smart tool holder having a power module providing power to an electronic module within the smart tool holder, the power module comprising a rechargeable bat...
https://drivepatents.com/patents/1377850 · 1 Jan 2026
A device isolation system to manage wireless power delivery from multiple pads of a household appliance. The device isolation system includes the household appliance with multiple pads, coils for each pad, a control logic for power distribution, a cloud ne...
https://drivepatents.com/patents/1397491 · 29 Oct 2025
The present invention relates to a method for detecting foreign material, and an apparatus and a system therefor, and a method for detecting foreign material in a wireless power transmitter, according to one embodiment of the present invention, comprises t...
https://drivepatents.com/patents/1393301 · 6 Aug 2025
A cooking device including a controller configured to, after being activated, control an operation of the cooking device; a communication unit configured to, after being activated, transmit data to a wireless power transmission device; a pickup coil config...
https://drivepatents.com/patents/1397699 · 9 Jul 2025
The present invention relates to a method for detecting foreign material, and an apparatus and a system therefor, and a method for detecting foreign material in a wireless power transmitter, according to one embodiment of the present invention, comprises t...
https://drivepatents.com/patents/1399759 · 9 Jul 2025
Embodiments of the present disclosure relate to a power regulation method, apparatus, and device for NFC communication and NFC charging. The apparatus includes: an NFC power converter, an NFC coil, an NFC circuit, a controller, and a power regulator. The N...
https://drivepatents.com/patents/1393204 · 25 Jun 2025
A method for operating a wireless power transmitter includes: receiving a power control command from a wireless power receiver; computing a potential voltage change for a transmitter voltage of the wireless power transmitter in accordance with a target tra...
https://drivepatents.com/patents/1400283 · 18 Jun 2025
An electronic device (100) includes a synchronous rectifier (104) and a battery (102). The synchronous rectifier (104) outputs a charging current (I) to the battery (102). The electronic device (100) includes a rectifier controller (108) that adjusts a res...
https://drivepatents.com/patents/1397150 · 21 May 2025
A controller for a semiconductor switch is described that includes a transmitter and a receiver that communicate across galvanic isolation using an inductive coupling. An example controller includes first circuitry referenced to a first reference potential...