Reverse polarity differential encoding for fringe field responsi
Reverse side marking plotter/printer pad
Reversible driving mechanism for electronic printer
Reversible image-forming material
Reversible or irreversible production of an image
Reversible recording medium and information record
RF drive circuit for an ion projection printing head
RF driver and control
Ribbon charging mechanism in a multicolor thermal transfer print
Ribbon coronode
Ribbon feed mechanism
Ribbon separating mechanism for thermal printer
Ribbon transfer color-on-demand resistive ribbon printing
Robotic plotter system
Rolled sheet conveying apparatus of plotter and rolled sheet con
Rolled sheet rolling control method of paper-moving type plotter
Roller pressure unloading means for a thermal printing mechanism
Roller type developing apparatus for a cycolor type color video
ROS printer incorporating a variable wavelength laser
Rotary action graphic recording system