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.:

US 7720216 B1

PDF
Full Text
Expired
Date of Patent:
May. 18, 2010

Filed:

Nov. 20, 2008
Applicants:

William G. Verthein, Bellevue, WA (US);

Stephen G. Lee, Seattle, WA (US);

Inventors:

William G. Verthein, Bellevue, WA (US);

Stephen G. Lee, Seattle, WA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); H04M 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An acoustic pass through is provided in telephone handsets for sounds transmitted from a hands free operation speaker laid out underneath the handset. One or more cutouts in a middle portion of the handset in various shapes such as rectangular, round, elliptical, and similar allows enhanced sound quality when the speakerphone feature is used and flexibility in handset design.


Find Patent Forward Citations

Loading…