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:
May. 14, 2002
Filed:
Jun. 30, 1999
Applicant:
Inventor:
Robin Hill, Shirley, GB;
Assignee:
Lucas Industries public limited company, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/110 ; H03M 1/300 ; G11C 2/900 ;
U.S. Cl.
CPC ...
G06F 1/110 ; H03M 1/300 ; G11C 2/900 ;
Abstract
A data integrity checking apparatus including an array of n latch circuits, each latch circuit having an input terminal and an output terminal, an array of n exclusive OR (XOR) gates, each XOR gate having two inputs and an output, the output terminals of the XOR gates are connected to the input terminals of respective ones of the latch circuits, the XOR gates receiving as one input bit-rotated words from the outputs of the latch circuits and as another input successive words of the data to be checked.