Electronic apparatus for engaging a portable computer with an ex

Details Electronic apparatus for engaging a portable computer with an ex Electronic apparatus for engaging a portable computer with an ex

1997-04-22

1999-07-20

Auve, Glenn A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361683, G06F 116

Patent

active

059266279

ABSTRACT:
In an electronic apparatus with a separably combining main body and expander, a pair of movable claws which are interlocked with an opening/closing lever are provided on an upper surface of the expander and a pair of fixed claws are provided on the opposite side of the opening/closing lever. A connecting connector is arranged at an intermediate position of the pair of movable claws. A retaining lever for blocking an opening of the opening/closing lever in a closed state of the opening/closing lever is provided. A first detector detects an opening/closing state of the opening/closing lever and a second detector detects the position of the retaining lever. A connecting state of the main body and the expander is synthetically discriminated on the basis of signals from the two detectors and a connection signal of the connector for connecting the main body and the expander.

REFERENCES:
patent: 5313596 (1994-05-01), Swindler et al.
patent: 5323291 (1994-06-01), Boyle et al.
patent: 5347425 (1994-09-01), Herron et al.
patent: 5477415 (1995-12-01), Mitcham et al.
patent: 5535093 (1996-07-01), Noguchi et al.
patent: 5552959 (1996-09-01), Penniman et al.
patent: 5737541 (1998-04-01), Shimizu et al.

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