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. 31, 1993
Filed:
Oct. 20, 1989
Applicant:
Inventor:
Dongsung R Kim, Laguna Hills, CA (US);
Assignee:
Unisys Corporation, Blue Bell, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 60 ; 371 494 ;
Abstract
A control store holding a large number of instruction words is accessed by a sequence of instruction addresses. An intercooperating system uses a test condition select logic unit and a next address select logic unit are combined with address sequence error detection logic in order to develop an error flag signal should there be some error in the sequence of the actual instruction address data supplied to the control store.