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. 06, 2001
Filed:
Aug. 31, 2000
Saska Lindfors, Espoo, FI;
Kari Halonen, Helsinki, FI;
Nokia Mobile Phones Limited, Espoo, FI;
Abstract
A delta-sigma modulator for converting an analog input signal into a digital output signal comprises a modulator input (,) and a first analog to digital converter (,) coupled to the modulator input (,). The first analog to digital converter has a first analog input and a first digital output. The delta-sigma modulator further comprises an error quantization unit (,) coupled to the first digital output for determining the quantization error caused by the first analog to digital converter (,). Additionally it comprises first signal combining means (,) for combining the outputs of the first analog to digital converter and said error quantization unit to form the digital output signal.