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.

Thumb
A CyKey (lower right), and its Microwriter predecessors.

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

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.