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. 12, 2002
Filed:
Nov. 03, 1998
Applicant:
Inventor:
Gerhard Zimmermann, Vienna, AT;
Assignee:
Ericsson Austria AG, Vienne, AT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/404 ; H04B 1/406 ; G06F 1/500 ; G10L 2/100 ; H03M 3/00 ;
U.S. Cl.
CPC ...
H04B 1/404 ; H04B 1/406 ; G06F 1/500 ; G10L 2/100 ; H03M 3/00 ;
Abstract
Described is a method of compressing an analogue signal, e.g. a voice signal, the signal function being continuously sampled, quantized and encoded into data words, the difference between each two successive data words determined and each difference value quantized and encoded.