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. 09, 1991
Filed:
Mar. 29, 1988
Kimio Yamamura, Tokyo, JP;
Hudson Soft Co., Ltd., Hokkaido, JP;
Abstract
An apparatus for the control of an access to a video memory comprises a memory width register having a content of a number of dot periods by which an access timing is determined to address a video memory. Therefore, an access timing is easily controlled dependent on a memory speed of the video memory only by changing the content of the memory width register. When the video memory is accessed during a display cycle of the video memory, video data may be stored in a buffer memory, and transferred from the buffer memory after the display cycle is finished.
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