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. 30, 2010
Filed:
Dec. 11, 2008
Applicants:
Gordon J. Reesor, Ottawa, CA;
Zaher Baidas, Kanata, CA;
Paul Nicholas, Ottawa, CA;
Inventors:
Assignee:
Zarlink Semiconductor Inc., Kanata, ON, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A telephone subscriber line device for providing an interface between a legacy telephone circuit based on circuit-switched technology and a packet network has a legacy interface for connection to telephone circuit; a packet interface for connection to a packet network, processing circuitry for converting between legacy telephone signals and packet signals, and a cascadable expansion bus permitting multiple said devices to be connected to a common port on a packet network. Such a device is highly scalable.