US 12,463,462 B2
Multi-capacitor energy harvesting
Minghui Chen, San Diego, CA (US); Andrea Fenaroli, San Diego, CA (US); Chengjin Zhang, San Diego, CA (US); and Yiwu Tang, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by Qualcomm Incorporated, San Diego, CA (US)
Filed on Mar. 15, 2024, as Appl. No. 18/606,622.
Prior Publication US 2025/0293543 A1, Sep. 18, 2025
Int. Cl. H02J 50/00 (2016.01); G06K 19/077 (2006.01); H02J 7/00 (2006.01); H02J 50/20 (2016.01)
CPC H02J 50/001 (2020.01) [G06K 19/07773 (2013.01); H02J 7/0047 (2013.01); H02J 7/007182 (2020.01); H02J 50/20 (2016.02); H02J 2207/50 (2020.01)] 9 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a first capacitor;
a second capacitor; and
an energy harvester comprising:
a first rectifier coupled to the first capacitor;
an oscillator including an input and an output, the input coupled to the first capacitor; and
a second rectifier coupled between the output of the oscillator and the second capacitor.