Slideshow: The World's Weirdest Portable Computers!

21 peculiar - and patented - portables. Kids, don't try this (or buy this) at home.

By Harry McCracken, PC World |  Offbeat, laptop, patents

Laptop Computer with Detachable Display for Overhead Projector

Patent filed August 10th, 1990

It seems like ancient history, but there was indeed a time - not so long ago - when offices everywhere had overhead projectors. This laptop had a removable screen (apparently on a six-foot cable) with a detachable back, letting you plop the screen on a projector for presentations. The basic idea came to market (briefly) in the form of the ThinkPad 755CV.

See also:
Laptop Sweet Spot: 12 Winners That Cost $650 or Less
World's Most Outrageous PC Cases

Republished with permission from PC World (view original version)

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