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:
Sep. 03, 1991
Filed:
Jan. 18, 1990
Applicant:
Inventors:
Craig Liebel, Framingham, MA (US);
Richard McFadyen, Worcester, MA (US);
Assignee:
Bose Corporation, Framingham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G / ;
U.S. Cl.
CPC ...
381102 ; 381 86 ;
Abstract
A shifting control is operative in a first region for varying the treble and midrange components of a sound signal as variously applied to the speakers of a multi-speaker system while the bass component remains unchanged, and is operative in a second region wherein all frequency components can be substantially attenuated.
Quick Actions:
Liebel, Craig. (1991). Varying loudspeaker spatial characteristics in a vehicle (U.S. Patent No. 5046106). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5046106
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