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:
Sep. 02, 2003
Filed:
Mar. 07, 2000
Applicant:
Inventors:
Nobuo Kamei, Toyokawa, JP;
Kenichi Morita, Toyohashi, JP;
Takeshi Minami, Toyokawa, JP;
Kazunori Shionoya, Toyohashi, JP;
Munehiro Nakatani, Toyohashi, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/328 ;
U.S. Cl.
CPC ...
G06F 1/328 ;
Abstract
A bus monitor section calculates bus-occupancy rate for each of the DMA control sections to connected to a bus in accordance with bus-use permission signals ack to ack , respectively. Furthermore, a bus-use reconcilement section changes manners of bus-use reconcilement control when the sum of a plurality of bus-occupancy rate exceeds “50”, a predetermined threshold. Thereby, this method avoids occurrences such that a specific device occupies the bus or vice versa, a specific device cannot get access to the bus