G - Physics – 06 – F
Patent
G - Physics
06
F
354/237, 352/82.
G06F 12/06 (2006.01)
Patent
CA 1247238
33 52,522 ABSTRACT OF THE DISCLOSURE A portable memory cartridge is provided with a plurality of memory storage devices along with a decoder that permits an external device to address specific memory locations within the memory cartridge without knowledge of the specific number of memory devices or individual capaci- ties of the memory devices used within the memory car- tridge. A connector is connected in signal communication with each of the memory devices within the memory cartridge and a decoder is used to determine the proper memory component applicable for a particular address received from an external device. The connection points of the connector are divided into three sets. A first set represents binary digits of data. A second set represents the lower order bits of an address word and the third set represents the higher order bits of an address word. The combined third and second binary digits represents a total address rela- tive to the O location within the entire memory cartridge. The first set of binary digits represents data which is to be stored or read from the memory location defined by the third and second sets of binary digits. The third set of binary digits, representing the higher order bits of the address word, is used as an input to a decoder which selects one of a plurality of memory devices in which the chosen memory location is located. The circuitry and memory devices are located within a plastic case that is made of an anti-static material to prevent inadvertent damage during insertion into an external device.
502654
Doby William P.
Maxwell Albert H. Jr.
Oldham And Company
Westinghouse Electric Corporation
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