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US 4,358,832 AGranted
Minimized magnetic core memory driver system
AssigneeThe Singer Company
InventorRichard C. Warner
Life of this patent
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Abstract
The complexity of a memory driver system is decreased by minimizing the number of half-select current driver circuits and corresponding terminals and wires connected between the driver lines and the core stack. This is effected by maximizing the number of current paths between memory drivers.
Claims5
A core memory driver system comprising:
- a plurality of drivers, each including a pair of switches;
- a plurality of core drive-lines;
- means connecting each of the switches to the lines to enable current to flow from a preselected switch, operating as a source for a corresponding driver, to another switch operating as a sink in any of the remaining drivers, thereby populating all of the possible paths between drivers;
- wherein the relationship between the number of drivers and drive-lines is:
- ##EQU3## where n=number of drivers.
2 more elements
Dependencies are inferred from the claim text.