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:
Jul. 10, 1984
Filed:
Nov. 25, 1980
Applicant:
Inventor:
Yoshio Kiriu, Hadano, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365230 ;
Abstract
An access request selecting circuit for selectively accepting access request signals produced from a plurality of access request sources. Different series of recurrent time intervals are assigned to the access request sources. When a memory request signal is supplied from an access request source in a series of recurrent time intervals which are assigned to the access request source such a memory request signal is accepted. At this time, if an attendant signal produced in association with the memory request signal is supplied, this attendant signal is also accepted.