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:
Dec. 21, 1999
Filed:
Apr. 21, 1998
Applicant:
Inventor:
James R Thomas, Sandy Spring, MD (US);
Assignee:
Comsat Corporation, Bethesda, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
710 45 ; 710-7 ; 711169 ; 712 42 ;
Abstract
A time-shared multitask execution circuit for sharing registered digital hardware among a plurality of users is provided to achieve zero overhead switching while processing as few as 1 sample (in one clock cycle) for each user. The circuit comprises a three register bank, two switches, and a dual port RAM. On any given cycle of the clock, one register is processing data of a current user, one register is writing processed data of a prior user to the RAM, and one register is reading data of a subsequent user for processing from RAM. In this manner, processing, reading and writing are decoupled and proceed in parallel.