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:
Mar. 02, 2010
Filed:
Oct. 10, 2001
Arnoud Van Der Wal, Napier, NZ;
Hans Van Nigtevecht, Enschede, NL;
Arnoud van der Wal, Napier, NZ;
Hans van Nigtevecht, Enschede, NL;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
A method of and a digital data recovery circuit () for extracting digital data from an analog data signal in a Time Division Multiple Access (TDMA) communications system, wherein the analog data signal of a communications link is exchanged in bursts or time slots. The circuit () comprises analog-to-digital (ADC) converter means (), digital filter means () for providing a threshold or slice level, and digital comparator means () for comparing the digital data signal and the slice level for providing the recovered digital data. The digital filter means () comprise storage means () for digitally adjusting the filter time constants and slice level for each burst or time slot independently in accordance with specific settings applicable to a communications link associated with a burst or time slot.