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This is a picture of a hall-effect keyboard, made by Sperry-Univac circa 1973. They were very reliable, and the most comfortable keyboard I've ever used (punch
by cosmicray 16y ago
This is a picture of a hall-effect keyboard, made by Sperry-Univac circa 1973. They were very reliable, and the most comfortable keyboard I've ever used (punch cards tho, but wth).
http://www.flickr.com/photos/kd1s/4448262833/ http://www.flickr.com/photos/kd1s/4448262833/
- jrockway 16y agoI think they also still use hall-effect keyboards on airplanes. (Unfortunately, they use an "ABCDE..." layout!)