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:
Sep. 12, 1989
Filed:
Feb. 04, 1988
Applicant:
Inventor:
Cecil W Farrow, Highlands, NJ (US);
Assignees:
American Telephone and Telegraph Company, New York, NY (US);
AT&T Information Systems Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
3647241 ;
Abstract
The process of interpolating between two different sampling rates at any point in a sampling interval is obtained using a transversal filter arranged as a continuously variable digital delay line in which the tap coefficients of the delay line are made to be a function of the coefficients of an nth degree polynomial and the delay between the two sampling rates.