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. 10, 1995
Filed:
Feb. 28, 1994
Applicant:
Inventors:
Yoshiyasu Sato, Yokohama, JP;
Taizo Sato, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395775 ; 3642597 ; 3642598 ; 364D / ;
Abstract
A bit field logic operation unit which performs a logic operation accompanied by a masking operation comprises a logic operation part, a mask pattern generation part, and a bit map operation part. All parts are constituted by dynamic circuit constructions where the processes are performed in a preset period and an active period. The preset periods of the logic operation part and the mask pattern generation part are carried out simultaneously, and the active periods of the logic operation part and the mask pattern generation part and the preset period of the bit map operation part are carried out simultaneously.