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:
Aug. 02, 1988
Filed:
Jan. 02, 1986
Applicant:
Inventor:
David W Di Orio, West Chester, PA (US);
Assignee:
Commodore Business Machines, Inc., West Chester, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract
A n-channel memory management circuit operates as an interface unit between a microprocessor, which microprocessor is normally capable of addressing only 64K bytes of memory, to provide expandable memory configurations with a memory capacity of at least 128K bytes of read only memory (ROM) and 128K bytes of random access memory (RAM) which are directly accessed by the microprocessor in 64K bytes blocks or 'windows' consisting of smaller size non-contiguous blocks from the entire memory configuration.
Di Orio, David. (1988). Memory management unit for addressing an expanded memory in groups of (U.S. Patent No. 4761736). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4761736
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