Boots – shoes – and leggings
Patent
1976-12-30
1978-12-05
Chapnick, Melvin B.
Boots, shoes, and leggings
365 15, G06F 700, G06F 1300, G11C 1114, G11C 1908
Patent
active
041288912
ABSTRACT:
A relational data base system utilizing magnetic bubble domain storage. The bubble domain storage is located on a magnetic chip and includes storage circuitry for storing bubble domains in columns and rows. The bubble domains are coded to represent data, and the rows and columns of bubbles correspond to tables of data which are determined by various relations. Current activated transfer gates located on the magnetic chip are used to select a particular row or a particular column of bubble domains for accessing. The magnetic chip also includes a write circuit for writing bubble domains into storage and a read circuit for reading bubble domains removed from storage. Located off the magnetic chip are column addressing circuits, row addressing circuits, interface circuitry, and a computer central processing unit. The interface circuitry is located between the central processing unit and the bubble domain storage chip, while the column and row addressing circuits provide inputs to a transfer control circuit that is used to activate selected current carrying lines when it is determined to access a particular row or column of bubbles in storage. New information can be entered into any of the stored tables of bubble domains, and information can be removed from any of the stored tables. Also, new tables of information can be provided in storage by combining selected rows or columns of tables already in storage.
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Lin Yeong S.
Liu Chao N.
Tang Donald T.
Chapnick Melvin B.
International Business Machines - Corporation
Stanland Jackson E.
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