Patent ID: 11909220
Assignee: INTEGRATED DEVICE TECHNOLOGY, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A method of operating a wireless power device, comprising:
determining an operating mode of the wireless power device;
in a transmit mode
determining presence of a transmit power from a second wireless power device,
when the transmit power from the second wireless power device is detected, providing a collision alert and proceeding to an off state where the wireless power device does not transmit wireless power, and
when transmit power from the second wireless power device is not detected, activating a transmit driver to transmit wireless power from the wireless power device,

wherein determining presence of a transmit power includes monitoring a rectified voltage using discrete diode and demodulation circuitry to provide the collision alert.