Peripheral device using two microprocessors and two buses for au

Details Peripheral device using two microprocessors and two buses for au Peripheral device using two microprocessors and two buses for au

1995-02-16

1998-06-30

Asta, Frank J.

395824, 395825, G06F 1300

Patent

active

057747423

ABSTRACT:
When a portable recording medium is judged to have been loaded in a peripheral device, a microprocessor of the peripheral device checks whether the portable recording medium is a recording medium bearing update data for use updating a program to be executed by the micro-processor. If the portable recording medium is a recording medium bearing update data for updating such a program, the update data is read from the portable recording medium and the program is updated in accordance with the read update data. If, however, the portable recording medium is not a recording medium bearing update data for updating a the program, the recording medium is ejected from the peripheral device. The program in the peripheral device can thus be updated even if the peripheral device is not connected to a host computer.

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patent: 4967289 (1990-10-01), Kanota et al.
patent: 5210875 (1993-05-01), Bealkowski et al.
patent: 5402528 (1995-03-01), Christopher et al.
patent: 5418945 (1995-05-01), Carter et al.
patent: 5455926 (1995-10-01), Keele et al.
patent: 5487161 (1996-01-01), Koenck et al.

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