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:
Aug. 27, 1991
Filed:
Oct. 25, 1989
Applicant:
Inventors:
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
3647241 ; 36472417 ;
Abstract
This interpolative filter comprising N differentiating stages (4A-4N) constituting a section of low sampling frequency and N integrating stages (5A-5N) constituting a section of high sampling frequency is characterized in that is further comprises modulators (7A-7N) which are inserted into the string of integrators and which are intended to eliminate the increasing of the number of bits of the signal at each integration stage, and in that the said integrators are each included in a differentiation loop.