At 11:06 PM 11/18/00 +0000, Andy Howard wrote: > > From: "Roman Black" > > > > Imagine a wearable computer on your left forearm, with five > > "buttons" spaced for your five digits of your right hand. > > > > A basic binary system of 5bits gives you 32 key combinations, > > so enough for all the letters and some control codes. In using it > > you could "rap" your fingers up and down in the same spots and > > type one character per "rap". In real usage you would probably > > have two buttons for the thumb and two for the forefinger, giving > > more combinations etc. > >There was a device that was almost exactly that which was briefly popular in >the 80's. It was called Microwriter. One application claimed for it was that >you could type with your hands in your pockets. The system was called >"chording" because you pressed more than one button at a time IIRC. Circuit Cellar Ink (Computer Applications Journal) did a version as well - full schematics and code. I never did build one, though. dwayne Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax Celebrating 16 years of Engineering Innovation (1984 - 2000) * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Do NOT send unsolicited commercial email to this email address. This message neither grants consent to receive unsolicited commercial email nor is intended to solicit commercial email. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads