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. 17, 2002
Filed:
Oct. 25, 1999
Applicant:
Inventor:
Stefan Wahlberg, Haninge, SE;
Assignee:
Pacesetter AB, Järfälla, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M 3/00 ;
U.S. Cl.
CPC ...
H03M 3/00 ;
Abstract
An adaptive delta modulator has an A/D-converter controlled by a digital control signal, which is also supplied to a drift compensation logic circuit, which generates a drift compensated digital output signal by an appropriate shift operation of the applied control signal, dependent on an initially detected shift in the A/D converter.