The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 2022
Filed:
May. 18, 2018
Applicants:
The Johns Hopkins University, Baltimore, MD (US);
Technische Universität Darmstadt, Darmstadt, DE;
Inventors:
James E. West, Baltimore, MD (US);
Kailang Ren, Baltimore, MD (US);
Adebayo Eisape, Baltimore, MD (US);
Gerhard Sessler, Darmstadt, DE;
Ugur Erturun, Baltimore, MD (US);
Assignee:
THE JOHNS HOPKINS UNIVERSITY, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/01 (2006.01); H04R 19/04 (2006.01); H04R 31/00 (2006.01); H04R 7/04 (2006.01); H02N 1/08 (2006.01);
U.S. Cl.
CPC ...
H04R 19/016 (2013.01); H02N 1/08 (2013.01); H04R 7/04 (2013.01); H04R 19/04 (2013.01); H04R 31/003 (2013.01); H04R 2307/025 (2013.01);
Abstract
Provided is an energy harvesting system, including: a first electrode; a second electrode; a non-metalized mono-charged electret diaphragm disposed between the first and second electrodes; a base; a spring extending between the base and the electret diaphragm; and a rod in communication with the electret diaphragm and for manipulating a position of the electret diaphragm relative to the first and second electrodes.