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:
Oct. 10, 2017
Filed:
Sep. 01, 2011
Pär Gunnars Risberg, Solna, SE;
Pär Gunnars Risberg, Solna, SE;
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Abstract
A speaker system () comprises a first speaker driver group (G), comprising at least one first speaker driver (S) and a first amplifier (A), and a second speaker driver group (G), comprising at least one second speaker driver (S) and a second amplifier (A). The speaker system further comprises a digital signal processor (), adapted to provide a first signal to the first speaker driver group (G) and a second signal to the second signal group (G), wherein the first and second signals differ with respect to frequency range and at least one of the speaker driver groups comprises at least 4, 6, 8 or 10 speaker drivers.