Patent · US Active

Phase shift adjusting method and circuit

US7836386B2 · kind B2 · utility

28Cited by

11References

13Claims

0Family size

Assignee

Qimonda AG · DE

Inventors

Otto Schumacher · Dachau, DE
Martin Maier · Asperg, DE
Thomas Hein · Hersbruck, DE
Aaron Nygren · Birkenfeld, DE

Key dates

Filing date	Sep 27, 2006
Grant date	Nov 16, 2010
Priority date	—
Expiry date	Sep 14, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04L7/0008
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Method and system of adjusting a first phase shift between a first data signal and a clock signal at a sending device. First and second test signals representing first and second test data, respectively, are transmitted to a receiving device. The test signals have respective phase shifts relative to the clock signal. An error detection code is calculated from first and second received data carried by the transmitted signals. The error detection code is transmitted from the receiving device to the sending device. An estimated first received data is calculated from the error detection code, wherein the estimated first received data are calculated under the assumption that the second received data are identical to the second test data. The first phase shift is adjusted on the basis of a comparison of the estimated first received data and the first test data.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.