About 150 results
https://drivepatents.com/patents/1380584 · 2 Apr 2026
A wireless power transfer (WPT) system with series-series compensation contains an inverter at a primary side, a rectifier at a secondary side, and a resonant circuit configured between the inverter and the rectifier. The resonant circuit includes a primar...
https://drivepatents.com/patents/1380292 · 26 Mar 2026
An ocular system includes an ocular device (), having a coil (), for deployment in or on the eyeball, and an auxiliary device, including a coil (), integrated into a patch () for deployment on an eyelid or adjacent to the eye. The auxiliary device also inc...
https://drivepatents.com/patents/1379863 · 19 Mar 2026
A power receiver () communicates to a power transmitter () using load modulation data symbols modulated by a chip sequence with a chip sequence being divided into load time intervals with different modulation loads. The power transmitter () comprises a rec...
https://drivepatents.com/patents/1379861 · 19 Mar 2026
An apparatus for wireless power transfer includes a resonant circuit comprising: a transmitter coil; a first capacitor connected with the transmitter coil in series; and a second capacitor connected in series with a first switch. The second capacitor and t...
https://drivepatents.com/patents/1379862 · 19 Mar 2026
In an embodiment, a wireless power transmitter of a wireless charging system may detect an amplitude shift keying (ASK) carrier signal sent by a wireless power receiver of the wireless charging system, attenuate the ASK carrier signal, and clamp the attenu...
https://drivepatents.com/patents/1379510 · 12 Mar 2026
A power reception device includes a power reception rectification circuit that converts a high-frequency power received by a power reception resonance circuit into a DC power on the power reception side; a battery charged by the DC power on the power recep...
https://drivepatents.com/patents/1379508 · 12 Mar 2026
A power transmission coil unit includes a power transmission coil and a power supply member electrically connected to a power source and power transmission coil. The power supply member is provided with a first metal sheet and second metal sheet insulated ...
https://drivepatents.com/patents/1379509 · 12 Mar 2026
A wireless power supply apparatus includes a power transmission resonant circuit, a switching circuit, and a unit-control unit that controls the switching circuit. The unit-control unit performs at least either of a first abnormality determination process ...
https://drivepatents.com/patents/1398632 · 25 Feb 2026
This application discloses a transmit end supporting multi-device wireless charging, a charging base, and a system, to support N-channel wireless charging, where N is an integer greater than or equal to 2. The transmit end includes N half-bridge inverter c...
https://drivepatents.com/patents/1378065 · 15 Jan 2026
Systems and methods for wireless power transmission are described. A wireless power transmitter can include a coil, an analog front end (AFE) and a controller. The AFE can include a set of internal metal-oxide-semiconductor field-effect transistors (MOSFET...