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. 23, 1995
Filed:
Dec. 18, 1992
Applicant:
Inventors:
Robert G Stebbins, San Jose, CA (US);
Quang H Nguyen, San Jose, CA (US);
Assignee:
Amdahl Corporation, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 291 ; 371 165 ; 371 12 ;
Abstract
An error detection scan tree apparatus and method including a plurality of error detection devices in which an error signal generated by an error detection device is propagated from the detection device through the scan tree of minimalistic structure to an error servicing unit. A plurality of scan out points are provided at specific locations within the scan tree that are capable of non-disruptively latching an error signal propagating therethrough so as to facilitate a more efficient scan out of the state of the system upon the occurrence of an error.