A wire fire control mechanism is provided for use in a wire matrix printer for controlling the firing of the print wires as the printhead moves across a print receiving medium. This wire fire control mechanism enables printing to be accomplished for a wide range of different printhead speeds. It also...http://www.google.co.uk/patents/US4844635?utm_source=gb-gplus-sharePatent US4844635 - Wire fire control mechanism for a wire matrix printer
