PCMCIA voltage loss detection

Details PCMCIA voltage loss detection PCMCIA voltage loss detection

1995-08-30

1998-09-08

Elmore, Reba I.

Boots, shoes, and leggings

340636, 365226, 365227, 3951822, G06F 100, G11C 700

Patent

active

058054731

ABSTRACT:
A method and apparatus for detecting a supply voltage loss from a PCMCIA power source across a PCMCIA interface. The voltage loss may correspond for example, to the removal of a PCMCIA card from a PCMCIA host computer system. The invention provides for detection and reporting of said supply voltage loss to another apparatus capable of operating at lower voltage levels than that supplied by the PCMCIA power source. The rate of supply voltage loss is controlled, and an indication of the loss is provided to the other apparatus so as to allow sufficient time for the apparatus to take appropriate actions in response to the loss of supply voltage.

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