Device and method for supplying power to an external data medium

Details Device and method for supplying power to an external data medium Device and method for supplying power to an external data medium

1997-06-20

2000-03-28

Auve, Glenn A.

Electrical computers and digital processing systems: support

Computer power control

G06F 126

Patent

active

06044472&

ABSTRACT:
A device for supplying power to an external data medium reader unit, in particular a CD-ROM and/or hard disk drive, connected to a computer via a first port, in particular a PCMCIA port or a parallel port. The device includes an energy store means charged by the first power supply voltage source (Vcc), a current limiting circuit connected between the first power supply voltage source (Vcc) and the energy store means, and a circuit for raising the output voltage of the energy store means to a first voltage level required for the power supply of the logic components of the external reader unit.

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