Energy scavenging interface with impedance matching, method for impedance matching of the energy scavenging interface, and energy scavenging system using the energy scavenging interface

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United States of America Patent

PATENT NO 10211722
APP PUB NO 20160322830A1
SERIAL NO

15132958

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Abstract

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An energy harvesting interface receives an electrical signal from an inductive transducer and outputs a supply signal. An input branch includes a first switch and a second switch connected in series between a first input terminal and an output terminal, and further a third switch and a fourth switch connected in series between a second input terminal and the output terminal. A first electrical-signal-detecting device coupled across the second switch detects a first threshold value of an electric storage current in the inductor of the transducer. A second electrical-signal-detecting device coupled across the fourth switch detects whether the electric supply current that flows through the fourth switch reaches a second threshold value lower than the first threshold value.

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Patent Owner(s)

  • STMICROELECTRONICS S.R.L.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cattani, Alberto Cislago, IT 48 189
Gasparini, Alessandro Cusano Milanino, IT 53 283
Ramorini, Stefano Arluno, IT 42 197

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