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. 04, 1986
Filed:
Nov. 15, 1982
Applicant:
Inventors:
Mark D Hummel, Franklin, MA (US);
James M Guyer, Marlboro, MA (US);
David I Epstein, Framingham, MA (US);
David L Keating, Holliston, MA (US);
Steven J Wallach, Richardson, TX (US);
Assignee:
Data General Corp., Westborough, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract
A data processing uses instructions which may refer to operands in main memory by either physical or logical addresses. The central processor has an internal memory organized as two portions. The first portion provides a scratchpad memory function for the central processor and the second portion is responsive to logical addresses to provide corresponding physical addresses.