Function expansion unit capable of supplying power to computer

Details Function expansion unit capable of supplying power to computer Function expansion unit capable of supplying power to computer

1994-01-05

1995-07-04

MacDonald, Allen R.

Boots, shoes, and leggings

364707, 364579, 371 66, 363 56, 363101, G06F 130

Patent

active

054308836

ABSTRACT:
A system includes a computer main body, and an expansion unit detachably connected to the computer main body, for supplying a power to the computer main body and expanding a function of the computer. A power in the expansion unit is consumed in the expansion unit prior to power supply to the computer main body so as to stably supply a power to circuit components of the expansion unit. The expansion unit includes an expansion connector to which at least one expansion board is arbitrarily detachably connected, a power supply for supplying the power to the circuit components including the expansion circuit boards and to the computer main body, and a switch for detecting a power supplied from the power supply to the circuit components and stopping power supply to the computer main body by the power supply when the power exceeds a predetermined value.

REFERENCES:
patent: 4246635 (1981-01-01), Arima
patent: 4402059 (1983-08-01), Kennon et al.
patent: 4560936 (1985-12-01), Pelowski
patent: 4716521 (1987-12-01), Nagae
patent: 5088018 (1992-02-01), Lee
patent: 5179710 (1993-01-01), Coschieri

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