Modem with firmware upgrade feature

Details Modem with firmware upgrade feature Modem with firmware upgrade feature

1993-07-02

2000-02-29

Nguyen, Madeleine

Pulse or digital communications

Transceivers

Modems

709302, H04B 138, G06F 1314

Patent

active

060318678

ABSTRACT:
Updated operating code and parameters can be reprogrammed into a modem system with no disassembly of the modem hardware. The modem system includes an in-circuit reprogrammable memory chip in which operating code and parameters are stored. Two control programs control the reprogramming of updated operating code. One of the control programs is designed for manufacturing and testing purposes. The other control program allows remote reprogramming of updated operating code or parameters from a remote location such as a customer site. The modem system is portable, obtaining power from a standard 9 volt battery. Therefor, various power saving features are also incorporated into the modem system.

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