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:
Oct. 28, 1997
Filed:
Aug. 07, 1996
Applicant:
Inventors:
Michael Edward Farmer, Eagan, MN (US);
Steven Allen Murphy, Apple Valley, MN (US);
Rick Clevie Stevens, Apple Valley, MN (US);
Assignee:
Unisys Corporation, Blue Bell, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395311 ; 395290 ; 395310 ; 395312 ;
Abstract
A deadlock avoidance system for avoiding interconnection deadlocks between a plurality of data transfer devices includes a controller, a switch interconnector coupled to all of said data transfer devices for interconnecting on a one-to-one basis selected ones of the data transfer device as requesting units to selected ones of said data transfer devices as receiving units. A transfer queue is employed that includes a master transfer register and a slave transfer register, a master register, a slave register and a target register.