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:
May. 14, 1996
Filed:
Feb. 28, 1995
Applicant:
Inventor:
Akira Shimatani, Osaka, JP;
Assignee:
Mita Industrial Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; G06F / ; G06F / ; G06F / ;
U.S. Cl.
CPC ...
358444 ; 358468 ; 395842 ; 395845 ; 395287 ; 395293 ;
Abstract
The present invention relates to an image data transfer controller. In the present invention, transfer processing for acquiring a right to control a bus and performing DMA transfer of image data corresponding to a set number of data to be continuously transferred and bus release processing for releasing the acquired right to control a bus during a set bus release period are repeatedly performed until a predetermined number of image data are transferred. The set value of the number of data to be continuously transferred and the set value of the bus release period are changed on the basis of the state of a request to use the bus.