A printer ink cartridge includes a rigid cartridge body containing ink, a plurality of ink orifices, a jet plate, a plurality of electrical conductors and a control and driver circuit. The control and driver circuit is attached to the cartridge body spaced apart from the jet plate, and the plurality...http://www.google.com.au/patents/US5646660?utm_source=gb-gplus-sharePatent US5646660 - Printer ink cartridge with drive logic integrated circuit
