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.

Date of Patent:
Dec. 04, 2012

Filed:

Apr. 30, 2010
Applicant:

Que T. Tran, Beaverton, OR (US);

Inventor:

Que T. Tran, Beaverton, OR (US);

Assignee:

Tektronix, Inc., Beaverton, OR (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A blanking primitive masking circuit has a detection and handling circuit that receives data containing blanking primitives. The detection and handling circuit generates a dynamic blanking signal when blanking primitives are detected. The received data is delayed and provided to a pattern detector that generates a synchronization signal provided to a memory and a phase sync signal provided to the detection and handling circuit and to a comparator. The comparator receives reference data from the memory, the delayed data, and the dynamic blanking signal. The comparator compares the reference data with the delayed data and generates bit error outputs from mismatched reference data bits and delayed data bits when the dynamic blanking signal from the detection and handling circuit is absent and suppressing the generation bit error outputs when the blanking primitive are in the delay data and the dynamic blanking signal is present.


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