A modular system for use with X-Y peripherals is provided. The system includes a master controller operatively connected to one or more slave X-Y peripherals in a network. Different types of slave X-Y peripherals are accommodated by the system, e.g. sewing machines and engravers. Each slave X-Y peripheral...http://www.google.ca/patents/US4955305?utm_source=gb-gplus-sharePatent US4955305 - Modular system for use with X-Y peripherals
