Linked by Thom Holwerda on Thu 3rd May 2007 23:26 UTC
It's the original UMPC: Epson's HX-20, announced in 1981 - 25 years before Intel and Microsoft formally launched the ultra-mobile PC category, in April 2006. Epson's machine wasn't the first portable computer - that honour goes to the Osborne 1. But while the Osborne was a beast of a machine, designed more as a desktop you could take from place to place, the HX-20 was a truly a system for computing on the move. So while the HX-20 combined not only a full QWERTY keyboard, a display, storage and even a printer into its 28.4 x 21.3 x 4.4cm casing, but also a rechargeable Ni-Cad battery.
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Member since:
2006-11-26
I'm almost certain you could by an external battery unit for the Osborne 1. I don't think it was at all practical, given the Osborne by itself weighed about 30 lbs.
I think the definition of portable is too vague to support either the Osborne or the HX-20 as truly portable, though the HX-20 would better fit the definition. From my perspective portable would mean that work could easily be done with the computer sitting in a bus or on an airplane. I can envision the HX-20 with its tape deck saving documents sitting on someones lap. You would have to hire a second seat for the Osborne.