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. 21, 1978
Filed:
Mar. 01, 1976
Applicant:
Inventors:
Stanley M Nissen, Reading, MA (US);
Steven J Wallach, Framingham, MA (US);
Assignee:
Raytheon Company, Lexington, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract
A microinstruction memory addressing control unit for a microprogram controlled digital computer is disclosed. The microinstruction memory stores an addressable fetch microprogram and independent sets of addressable microinstructions. Each one of the stored microinstructions in the sets thereof has an addressing control field. The microinstruction memory addressing control unit, in response to the microinstruction control field of a microinstruction currently under execution, is adapted to select as the next address for the memory one of a variety of addresses.