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:
Dec. 29, 2015
Filed:
Nov. 06, 2013
Honeywell International Inc., Morristown, NJ (US);
Lisa Lust, Minneapolis, MN (US);
Daniel Youngner, Maple Grove, MN (US);
Honeywell International Inc., Morris Plains, NJ (US);
Abstract
Generally disclosed herein are transducers that can convert sound energy into electrical signals, such as to detect if a pressure wave includes a specific frequency. Methods of using the transducers and systems that include the transducers are disclosed herein as well. A transducer can include a first probe plate, a second probe plate, a ground plate situated between the first and second probe plates, a first electret film adjacent to a first side of the ground plate and situated between the first and second probe plates, and a second electret film adjacent to a second side of the ground plate and situated between the first and second probe plates, the second side opposite the first side.