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:
Sep. 21, 1999
Filed:
Apr. 11, 1997
Applicant:
Inventors:
John Michael Kaiser, Cedar Park, TX (US);
Warren Edward Maule, Cedar Park, TX (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
714 43 ; 714 56 ; 714 34 ; 714798 ;
Abstract
A shift register is used to latch the bus-driver-enable signal for each potential bus driver during each system clock cycle. The shift register clock will freeze upon receipt of a 'check stop' signal. Once frozen, the shift register can be scanned for fault isolation analysis.