Laptop computer with detachable display for overhead projector

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Details

353122, 353DIG5, 3642375, G06F 1568

Patent

active

050419650

ABSTRACT:
A laptop computer includes a display unit having a hollow display casing with a pair of window openings, a transparent LCD monitor display provided inside the display casing between the window openings, and a cover piece detachably mounted to the display casing at one of the window openings and having a mirror surface disposed adjacent to one side of the monitor display. The display casing has a lower hinge side detachably hinged to a rear hinge side of a main computer body. An extension cable is used to electrically connect the display unit and the main computer body when the display unit is detached from the main computer body. The cover piece is detachable from the display casing to permit the use of the display unit as a slide for an overhead projector, so that characters, graphs, etc. generated on the monitor display are projected onto a screen for viewing.

REFERENCES:
patent: 4904079 (1990-02-01), Yoshimura et al.
patent: 4944578 (1990-07-01), Denison
patent: 4950072 (1990-08-01), Honda
patent: 4953971 (1990-09-01), Highfill
The Physics Teacher, Sep. 1985, "Apparatus for Teaching Physics", by Connolly, pp. 382-383.

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