In a typewriter having text storage capability, the hyphen code that is stored in response to depression of a hyphen key is conditioned on printing position and on the codes adjacent to the hyphen code in a text string. If a hyphen is keyed after the start of the return zone, is preceded by a graphic...http://www.google.fr/patents/US4354765?utm_source=gb-gplus-shareBrevet US4354765 - Hyphen characterization apparatus for a typewriter
Hyphen characterization apparatus for a typewriter