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:
Oct. 19, 1976
Filed:
May. 01, 1975
Applicant:
Inventors:
David N Gooding, Endicott, NY (US);
Everett M Shimp, Endwell, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
235175 ;
Abstract
A carry look-ahead parallel digital adder having a relatively wide overall data flow width and a pair of automatically adjustable boundary mechanisms for subdividing the adder into plural independent operating zones of variable width and variable location. Anywhere from one to three independent zones may be obtained. Independent external carry-in and carry-out lines are provided for each zone and the connecting points for such lines are automatically shifted in step with the movement of the zone boundaries.