Ford is trying to patent a strategy to make wi-fi EV charging simpler.

Wi-fi charging methods exist already, albeit principally in aftermarket kind. Nonetheless Ford’s patent software, which was printed by america Patent and Trademark Workplace (USPTO) on June 1 (and initially filed on Nov. 30, 2021) particulars some potential enhancements.

Ford wi-fi charging system patent picture

As Ford notes within the patent software, most wi-fi EV charging methods use electromagnetic fields that switch vitality from an influence supply to a receiver on the car with no bodily connection. This vitality switch could be interrupted if any objects—notably these containing metallic—are in shut proximity to the charging {hardware}.

The answer outlined within the patent software is to make use of cameras to identify any objects which will interrupt charging, and warn the motive force with flashing lights or noises. Such an answer may make use of cameras, lights, and audio system put in on a car, which might be networked to the charger, Ford famous within the software.

Ford wi-fi charging system patent picture

A warning system like this “might scale back or remove inadvertent triggering of an related lowered energy mode of shutdown of the charging system” if objects that might probably block the transfers of vitality between a wi-fi charger and receiver are detected, in keeping with the appliance. However that is probably not the primary concern holding again wi-fi charging.

Eliminating cumbersome cables makes wi-fi charging extra handy, and WiTricity, one of many main aftermarket wireless-charging firms, has mentioned its tech can match the effectivity and energy output of most AC plug-in charging {hardware}. The prohibiting issue to widespread adoption is price—one thing Ford does not deal with right here.