Boots – shoes – and leggings
Patent
1977-02-28
1978-07-25
Nusbaum, Mark E.
Boots, shoes, and leggings
360 31, 2353041, G06F 1100, G06F 1308
Patent
active
041033388
ABSTRACT:
An exerciser is provided for use with a disk drive of the type having a microprocessor, a first memory for storing microcoded control programs for the drive, a second memory for storing instructions for the head carriage servo control apparatus, an address bus for supplying address signals from the microprocessor to the first and second memories, and a data bus for supplying program instructions from the first memory to the microprocessor, and for supplying instructions from the second memory to the servo control apparatus. The exerciser developes track address signals that are supplied onto the data bus for application to the microprocessor. A third memory is included in the exerciser for storing diagnostic programs. A decoder is also included for decoding an address signal on the address bus in order to generate a new address signal for the third memory. Program instructions accessed from the third memory are supplied onto the data bus for application to the microprocessor.
REFERENCES:
patent: 3439343 (1969-04-01), Stahle
patent: 3704363 (1972-11-01), Salmassy et al.
patent: 3824563 (1974-07-01), Lutz
patent: 3909800 (1975-09-01), Recks et al.
patent: 4047157 (1977-09-01), Jenkins
Cizmic Stipe
Halfhill Martin O.
Jacques James O.
Mahon Douglas K.
Shenfield Leonard R.
Nusbaum Mark E.
Smith Barry Paul
Xerox Corporation
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