US 11,711,112 B2
Wireless power transmission systems and methods with selective signal damping active mode
Alberto Peralta, Chicago, IL (US); and Jason Luzinski, Chicago, IL (US)
Assigned to NuCurrent, Inc., Chicago, IL (US)
Filed by NuCurrent, Inc., Chicago, IL (US)
Filed on Jan. 28, 2021, as Appl. No. 17/161,242.
Prior Publication US 2022/0239339 A1, Jul. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 5/00 (2006.01); H02J 50/80 (2016.01); H02J 50/20 (2016.01); H02J 50/12 (2016.01)
CPC H04B 5/0037 (2013.01) [H02J 50/12 (2016.02); H02J 50/20 (2016.02); H02J 50/80 (2016.02)] 16 Claims
OG exemplary drawing
 
1. A method for operating a wireless power transmission system, the method including:
providing, by a transmission controller of the wireless power transmission system, a driving signal for driving a transmission antenna of the wireless power transmission system, the driving signal based, at least, on an operating frequency for the wireless power transmission system;
receiving, by at least one transistor of an amplifier of the wireless power transmission system, the driving signal at a gate of the at least one transistor;
inverting, by the at least one transistor, a direct current (DC) input power signal to generate AC wireless signals at the operating frequency;
determining if transmission or receipt of wireless data signals has begun by determining if the wireless data signals have transitioned from a “high” state to a “low” state;
determining instructions to switch a damping circuit to an active mode, when transmission or receipt of the wireless data signals begins;
receiving, at a damping transistor of a damping circuit, a damping signal for switching the damping transistor to one of an active mode or an inactive mode to control signal damping during transmission or receipt of wireless data signals, wherein the wireless data signals are one of on-off-keyed (OOK) in-band data signals or amplitude-shift-keyed (ASK) in-band data signals; and
selectively damping, by the damping circuit, the AC wireless signals, during transmission of the wireless data signals if the damping signal sets the damping circuit to the active mode.