A continuous stream ink jet printhead includes an ink droplet forming mechanism operable to selectively create a stream of ink droplets having a plurality of volumes and a droplet deflector having a gas source. The gas source is operable to interact with the stream of ink droplets thereby separating...http://www.google.ca/patents/US6739705?utm_source=gb-gplus-sharePatent US6739705 - Continuous stream ink jet printhead of the gas stream drop deflection type having ambient pressure compensation mechanism and method of operation thereof
