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:
May. 10, 2011
Filed:
Nov. 16, 2005
John B. Kenney, Granger, IN (US);
Robert B. Magill, Mishawaka, IN (US);
R. Michael Schafer, Granger, IN (US);
John B. Kenney, Granger, IN (US);
Robert B. Magill, Mishawaka, IN (US);
R. Michael Schafer, Granger, IN (US);
Tellabs Operations, Inc., Naperville, IL (US);
Abstract
An apparatus for replacing lost PSTN data in a packet network and for generating variable power white noise, includes a lost packet detection unit () for detecting lost data packets, a data processing unit () for producing in response a lost data output indicating when replacement data needed, data playout unit () or data replacement unit (), each may be implemented as a variable power white noise generator (FIG.) to generate replacement data by reusing data stored in an extended playback buffer, and placing the re-used replacement data on an external network.