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:
Jun. 15, 2021
Filed:
Oct. 27, 2016
Massachusetts Institute of Technology, Cambridge, MA (US);
Nicolas Viard, Cambridge, MA (US);
Nicholas Fang, Lexington, MA (US);
MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Cambridge, MA (US);
Abstract
Described is an acoustic absorbing structure and system provided from a composite material having one or more channels provided therein with each of the one or more channels having an aperture opening onto a surface of the composite material. The channels are provided having a cross-sectional shape and dimensions selected to exhibit a low frequency resonance in response to a low frequency sound wave provided thereto such that acoustic absorbing structure has a predetermined response characteristic in response to an acoustic signal provided thereto. Techniques for operating an acoustic absorbing system are also described.