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:
Feb. 28, 1989
Filed:
Apr. 21, 1986
Applicant:
Inventors:
Dongsung R Kim, Laguna Hills, CA (US);
Reinhard K Kronies, Fountain Valley, CA (US);
Assignee:
Unisys Corporation, Blue Bell, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 51 ;
Abstract
A parity detection scheme for a wide memory structure of RAM memory chips provides an auxiliary RAM parity memory chip to store parity data for each corresponding input line of each memory chip corresponding for each address of each memory chip. This parity data is compared to comparable parity data which is read-out of any corresponding address of each of said memory chips.