Intelligent power circuit for external data drive

Details Intelligent power circuit for external data drive Intelligent power circuit for external data drive

1996-06-14

1998-08-18

Harvey, Jack B.

395281, 39575001, 395822, G06F 1300, G06F 118

Patent

active

057969655

ABSTRACT:
A notebook computer (10) includes provides power to a parallel port floppy drive (24) through the parallel port connector (48). The computer (10) includes a power switching circuit (30) which detects whether a printer or floppy drive is connected to the parallel port connector (48). If a floppy drive (24) is connected, the power is enabled through the parallel port connector (48). If a printer is connected, power is disabled through the parallel port connector (48).

REFERENCES:
patent: 5128664 (1992-07-01), Bishop
patent: 5557739 (1996-09-01), Gupta et al.
patent: 5619659 (1997-04-01), Kikinis et al.

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