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:
Apr. 10, 1990
Filed:
Dec. 19, 1988
Applicant:
Inventors:
Richard P Kelly, Nashua, NH (US);
Jian-Kuo Shen, Belmont, MA (US);
Robert V Ledoux, Litchfield, NH (US);
Chester M Nibby, Jr, Beverly, MA (US);
Assignee:
Bull HN Information Systems Inc., Billerica, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ; 364951 ; 3642602 ; 3642394 ; 3642446 ;
Abstract
A firmware controlled microprocessor plugged into a printed circuit board received firmware signals from a control store mounted on the printed circuit board. The number of pins required for transferring firmware signals is reduced by time sharing pins with firmware signal required for the full cycle of operation and firmware signal required only during the second half of the cycle of operation.