System for updating software in automatic film processor

Details System for updating software in automatic film processor System for updating software in automatic film processor

1990-04-04

1991-10-01

Hix, L. T.

Boots, shoes, and leggings

354297, 364900, G03D 308

Patent

active

050537970

ABSTRACT:
An automatic film processor having control circuitry including a microprocessor and an electrically alterable programmable read-only memory (EAPROM) with a stored main program for control of the processor, has an auxiliary read-only memory (ROM) containing a bootstrap program including instructions for reprogramming the EAPROM using addresses and data from a disk drive or RS232 port. Reprogramming occurs in response to manual or automatic setting of a switch, without physically removing or replacing the EAPROM.

REFERENCES:
patent: 4300828 (1981-11-01), Kaufmann
patent: 4332456 (1982-06-01), Kaufmann
patent: 4419738 (1983-12-01), Takahashi et al.

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