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:
Nov. 20, 2001
Filed:
May. 14, 1998
Joel A. Clark, Woodridge, IL (US);
Scott R. Wilcox, Chicago, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A portable electronic device, such as a portable radiotelephone (,), with a speaker assembly is described. The portable radiotelephone (,) has a housing, which includes an upper housing (,) and a lower housing (,), configured to carry at least one of a receiver and a transmitter. A speaker (,) has a front side acoustically coupled to a first air space in front of an ear placement region (,) of the upper housing (,). The speaker (,) has a rear side acoustically coupled to a second air space. At least a first passage acoustically couples the first air space to a third air space that is substantially separated from the second air space.