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. 22, 1998
Filed:
May. 10, 1996
Applicant:
Inventors:
Kevin M Christiansen, Saratoga, CA (US);
Wesley S Johnson, Tracy, CA (US);
Assignee:
Apple Computer, Inc., Cupertino, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395845 ; 395842 ; 395555 ;
Abstract
An apparatus for and method of controlling data transfers in which the data is in a predefined format. The DMA controller with a status register cooperates with a counter capable of effecting a change in the contents of the status register to generate predefined leading sequences of pulses. The arrangement may also include a module which can detect a predefined trailing sequence and effect a change in the contents of the status register.
Christiansen, Kevin. (1998). System for dma transfer wherein controller waits before execution of (U.S. Patent No. 5812878). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5812878
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