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:
May. 23, 2017
Filed:
Jun. 01, 2015
Nathan Butler, Sterling, MA (US);
Steven Desrosiers, Woonsocket, RI (US);
Matthew Joseph Dube, Westborough, MA (US);
Geoffrey Peter Mckinnon, Woonsocket, RI (US);
Jeffrey A. Rocha, Paxton, MA (US);
John Francis Dugan, Millville, MA (US);
Nathan Butler, Sterling, MA (US);
Steven Desrosiers, Woonsocket, RI (US);
Matthew Joseph Dube, Westborough, MA (US);
Geoffrey Peter McKinnon, Woonsocket, RI (US);
Jeffrey A. Rocha, Paxton, MA (US);
John Francis Dugan, Millville, MA (US);
LOUD TECHNOLOGIES INC, Woodinville, WA (US);
Abstract
Audio loudspeakercan be arranged in various vertical arrays, such as. Each loudspeakeris identical in construction and includes a housinggenerally in the shape of a rectangular cuboid. A pair of ultra low-frequency transducersare positioned in the housing. Each of the ultra low-frequency transducers is individually powered and controlled by a separate DSP channel, thereby to directionally steer the transducer output.