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:
Aug. 20, 1991
Filed:
Apr. 17, 1989
Applicant:
Inventors:
Richard J Proctor, Dorset, GB;
Thomas S Maddern, Dorset, GB;
Assignee:
Plessey Overseas Limited, Ilford, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 681 ; 371-81 ; 371-82 ; 371 27 ;
Abstract
A data pathchecking system for resolving data transfer errors in a plane of directly connected switching elements, the system checking the plane of directly connected switching elements by designating one switching element with an associated control element as a master and other switching elements and associated control elements as slaves. The master switch element instructs other switch elements discretely to check their respective switching element for data transfer errors and checks its own switching element for data transfer errors. Furthermore, the master switch is arranged to validate connections between switching elements.