Method and apparatus for controlling the electric charge on drop

Method and apparatus for controlling the electrical charging of

Method and apparatus for controlling the formation and shape of

Method and apparatus for controlling the position of printed ink

Method and apparatus for cooling thermal ink jet print heads

Method and apparatus for detecting failure of an ink jet printin

Method and apparatus for detecting the presence or absence of a

Method and apparatus for detecting the working state of a printi

Method and apparatus for dispensing a fluid with dispersed parti

Method and apparatus for driving an ink jet printer head

Method and apparatus for drop-on-demand ink jet printing

Method and apparatus for extending the environmental operating r

Method and apparatus for fluid jet printing

Method and apparatus for forming a compound liquid jet particula

Method and apparatus for forming droplets from a magnetic liquid

Method and apparatus for graphic densitometer display

Method and apparatus for gray scale printing with a thermal ink

Method and apparatus for grey level printing with amplitude and

Method and apparatus for high resolution ink jet printing

Method and apparatus for high-speed interlaced printing in the d