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:
Apr. 01, 2014
Filed:
Aug. 31, 2012
Applicant:
Lifun Lin, Lincoln, MA (US);
Inventor:
Lifun Lin, Lincoln, MA (US);
Assignee:
Bose Corporation, Framingham, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/20 (2006.01); H04R 1/28 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
H04R 1/28 (2013.01); H04R 1/025 (2013.01);
Abstract
A loudspeaker system with an enclosure, an electro-acoustic transducer mounted in the enclosure so as to leave space inside of the enclosure that is unoccupied by the transducer, and an air-adsorbing material in the space inside of the enclosure that is unoccupied by the transducer. The air-adsorbing material includes a silicon-based zeolite with a small amount of a second metal. The mole ratio of silicon to the second metal is at least about 200 and is less than 400.