US 11,728,689 B2
Stacked printed circuit board surface in a free-position wireless charger
Eric Heindel Goodchild, Phoenix, AZ (US); Camron Vossberg, Tempe, AZ (US); and Kevin Slatnick, San Diego, CA (US)
Assigned to Aira, Inc., Phoenix, AZ (US)
Filed by AIRA Inc., Chandler, AZ (US)
Filed on Nov. 19, 2020, as Appl. No. 16/952,701.
Prior Publication US 2021/0152026 A1, May 20, 2021
Int. Cl. H02J 7/00 (2006.01); H02J 50/40 (2016.01); H02J 50/60 (2016.01); H02J 50/70 (2016.01); H02J 50/10 (2016.01)
CPC H02J 50/402 (2020.01) [H02J 50/10 (2016.02); H02J 50/60 (2016.02); H02J 50/70 (2016.02)] 16 Claims
OG exemplary drawing
 
1. A charging device, comprising:
a first plurality of charging cells provided on a first surface of a first printed circuit board;
a second plurality of charging cells provided on a first surface of a second printed circuit board; and
one or more fastenings configured to maintain the first printed circuit board proximate to and in alignment with the second printed circuit board; and
a third printed circuit board provided between the first printed circuit board and the second printed circuit board, wherein an opening through the third printed circuit board is configured to provide passage for a connector that electrically couples the first printed circuit board to the second printed circuit board,
wherein the first printed circuit board and the second printed circuit board provide a charging surface comprising the first plurality of charging cells and the second plurality of charging cells when the first printed circuit board, the second printed circuit board and the third printed circuit board are fastened together.