System using an adapter board to couple a personal computer to a

Details System using an adapter board to couple a personal computer to a System using an adapter board to couple a personal computer to a

1985-09-20

1988-11-22

Shaw, Gareth D.

Boots, shoes, and leggings

380 24, G06F 1310

Patent

active

047870273

ABSTRACT:
A financial system includes a plurality of peripherals like a magnetic stripe reader, printer, and keyboard which are coupled to a personal computer by an adapter board which is inserted into an interface bus within the computer. Even though the financial application being run may be single tasking, the system is capable of running multi-tasking operations. An encryptor/decryptor processor, which is used in handling secure data, is located on the adapter board to minimize unauthorized access to the secure data.

REFERENCES:
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patent: 4124888 (1978-11-01), Washburn
patent: 4313162 (1982-01-01), Baun et al.
patent: 4352952 (1982-10-01), Boone et al.
patent: 4428043 (1984-01-01), Catiller et al.
patent: 4456957 (1984-06-01), Schieltz
patent: 4481574 (1984-11-01), De Fino et al.
patent: 4484263 (1984-11-01), Olson et al.
patent: 4485439 (1984-11-01), Rothstein
patent: 4486853 (1984-12-01), Parsons
patent: 4495572 (1985-01-01), Bosen
patent: 4636947 (1987-01-01), Ward
MC 68120/68121 Intelligent Peripheral Controller, User's Manual, Motorola Inc. 1981.

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