Patent · US Active

Recycling piezoelectric energy-harvesting switched-inductor CMOS charger

US12199529B2 · kind B2 · utility

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Key dates

Filing dateNov 1, 2021
Grant dateJan 14, 2025
Priority date
Expiry dateSep 24, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02M7/219
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Devices and methods for charging a power storage device using a piezoelectric energy-harvest charger that employs a single switched inductor stage. The charger may maintain a maximum power point without requiring a second switched inductor stage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.