CyKey (pronounced "sai-ki" or "psyche") is a one-handed chorded keyboard, catering to both left- and right-handed users. It features nine keys, grouped into three sets of three.
CyKey was introduced in 1996 by Bellaire Electronics.1 It was a follow-on to the Microwriter, meant to be used with personal computers and Palm PDAs.1 It was named after Cy Endfield, co-inventor of the Microwriter.
References
References
- Buxton, Bill (April 2011). "CyKey". Buxton Collection. Microsoft Research. Retrieved 2013-07-07.