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:
Jul. 18, 2006
Filed:
May. 13, 2003
Han Martijn Schuurmans, Nijmegen, NL;
Han Martijn Schuurmans, Nijmegen, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The invention relates to a Sigma Delta A/D converter () for generating a N-bits digital output signal () on the basis of an analogue input signal (), comprising a control loop which comprises a quantizer () comprising at least a comparator () for generating the N-bits digital output signal () and a D/A converter () in a first feedback loop () of the control loop for generating an analogue version () of the N-bits digital output signal () on the basis of the N-bits digital output signal (), wherein the quantizer () also comprises an Up-Down counter () which is coupled to the comparator (), wherein the D/A converter () is coupled to the comparator () in a second feedback loop () of the control loop.