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:
Nov. 10, 2009
Filed:
Jun. 11, 2007
Applicants:
Masaaki Nozaki, Tokyo, JP;
Tsutomu Horikawa, Kanagawa, JP;
Inventors:
Masaaki Nozaki, Tokyo, JP;
Tsutomu Horikawa, Kanagawa, JP;
Assignee:
Sony Computer Entertainment Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Requestors issue access requests to a memory controller. The access requests issued are accumulated in a command queue of the memory controller. When the amount of access requests accumulated in the command queue is smaller than or equal to a threshold, a free pass (FP) is granted to specified requesters. When issuing access requests, requesters request and acquire tokens before issuing the access requests if they have no FP granted. If the requesters have an FP, they simply issue the access requests.