Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
06/1984
06/19/1984US4455127 Compact size plunger pump
06/19/1984US4455100 Pocket-sized check writing device with check form
06/19/1984CA1169474A1 Optical system for electro-optical scanner
06/19/1984CA1169473A1 Ink-jet printing device
06/19/1984CA1169472A1 Ink jet head
06/19/1984CA1169292A1 Nozzle plate for ink jet print head
06/19/1984CA1169291A1 Band and hammer dot matrix printer
06/13/1984EP0110841A2 Ink-jet printer
06/13/1984EP0110675A2 Thermal recording system
06/13/1984EP0110668A1 Color electrographic recording apparatus
06/13/1984EP0110662A2 Dot printer head
06/13/1984EP0110634A2 Ink jet printer
06/13/1984EP0110534A2 Monolithic ink jet orifice plate/resistor combination
06/13/1984EP0110533A2 Ink jet droplet generators
06/13/1984EP0110532A2 Electron beam driven ink jet printer
06/13/1984EP0110499A2 Ink reservoir with negative back pressure
06/13/1984EP0110494A2 Thermal ink jet printer
06/12/1984US4454558 Solenoid drive circuit
06/12/1984US4454519 Ink jet head with slit nozzles
06/12/1984US4454518 Temperature control of ink for ink jet printer
06/12/1984US4454517 Printing apparatus with coacting printer head movement and paper advancement
06/12/1984US4454516 Heat-sensitive recording device
06/12/1984US4453840 Actuator for a print wire
06/12/1984CA1169013A1 Method and apparatus for controlling a printer
06/05/1984US4453171 Reduced electrode wear in electrolytic printing by pH control of the print reaction zone
06/05/1984US4453170 Image forming apparatus with vibration compensation
06/05/1984US4453169 Ink jet apparatus and method
06/05/1984US4453167 Printer with ink correcting ribbon
06/05/1984US4453166 Method and device for avoiding defective elements in a thermal printer
06/05/1984US4452542 Serial printer
05/1984
05/30/1984EP0109863A2 A thermal transfer colour sheet printer
05/30/1984EP0109803A2 Shuttle type line printer
05/30/1984EP0109756A2 A method of construction of a monolithic ink jet print head
05/30/1984EP0109755A2 Ink jet orifice plate having integral separators
05/30/1984EP0109754A2 Ink dispenser with "frozen" solid ink
05/29/1984US4451835 Thermal recording device
05/29/1984US4451834 Transfer type heat sensitive recording device
05/29/1984CA1168295A1 Tilted deflection electrode method and apparatus for liquid drop printing systems
05/29/1984CA1168294A1 Two section charging electrodes for binary ink drop printers
05/29/1984CA1168293A1 Method of reducing cross talk in ink jet arrays
05/29/1984CA1168108A1 Matrix printer with automatic printing head adjustment
05/29/1984CA1168107A1 Device for capping the jet nozzles of an ink jet printing head
05/29/1984CA1168106A1 Laminated element, thermal printer and process for lift-off correction
05/23/1984EP0109329A2 Balanced print head drive mechanism
05/23/1984EP0109319A1 Magnetic printing method and transfer sheet for documents
05/23/1984EP0109242A2 Multipurpose fluid dispensing apparatus
05/23/1984EP0109239A1 Piezoelectric fluid control device
05/23/1984EP0108774A1 Ink jet printer
05/22/1984US4450459 Differential encoding for fringe field responsive electro-optic line printers
05/22/1984US4450457 Liquid-jet recording head
05/22/1984US4450456 Cassette comprising a capping device and a cleaning device for an ink jet printer
05/22/1984US4450455 Ink jet head
05/22/1984US4450454 Small size ink jet printer
05/22/1984US4450375 Piezoelectric fluid control device
05/22/1984US4450342 Thermal print head
05/22/1984US4449836 Printing head for wire dot printer
05/22/1984CA1167691A1 Serial dot printer for office machines
05/16/1984EP0108683A1 Ink jet printing of articles
05/16/1984EP0108589A2 Charge electrode means for an ink jet printer
05/16/1984EP0108200A2 High density dot matrix printer
05/16/1984EP0108159A1 Electromagnetic swing drive, in particular for impact printers
05/15/1984US4449153 Light valve imaging apparatus and method having supplemental exposure control
05/15/1984US4449152 Copying machine
05/15/1984US4449137 Driving method for thermal recording head
05/15/1984US4449136 Driving system for thermal recording head
05/15/1984US4449135 Ink ejection head
05/15/1984US4449134 Composite ink jet drivers
05/15/1984US4449133 Process and machine for magnetographic printing (IV)
05/15/1984US4449132 Process and machine for magnetographic printing (II)
05/15/1984US4449131 Process and machine for magnetographic printing (III)
05/15/1984US4449130 Process and machine for magnetographic printing (I)
05/15/1984US4449033 Thermal print head temperature sensing and control
05/15/1984US4448553 Method of determining print starting positions for an impact type dot printer
05/15/1984US4448123 Variable speed printing for dot matrix printers
05/10/1984WO1984001825A1 Inking system for producing circuit patterns
05/10/1984WO1984001744A1 Balanced print head drive mechanism
05/09/1984EP0107965A2 Dot matrix printers and print head therefor
05/09/1984EP0107743A1 Fluid jet printing
05/08/1984US4447832 Reproducing machine
05/08/1984US4447821 Method and apparatus of electrostatic recording
05/08/1984US4447820 Ink supplying mechanism
05/08/1984US4447819 Thermal recording device
05/08/1984US4447818 Multicolor heat-sensitive recording apparatus
05/08/1984US4447817 Constant velocity copy sheet transport with ink jet printing
05/08/1984US4447704 Semiconductor device for driving thermal print heads
05/08/1984US4447375 Method of casting a printing head for an ink jet printer
05/08/1984US4447166 Printing head of dot printer
05/08/1984US4446789 Dot matrix printer
05/08/1984CA1167094A1 Electrostatic label printing system
05/02/1984EP0107502A2 Matrix dot printer with printed dot density control
05/02/1984EP0107501A2 Position indicator for high speed printers
05/02/1984EP0107467A2 Ink jet printing device
05/02/1984EP0107434A2 Thermal printer
05/02/1984EP0107184A1 Electrophotographic printer
05/01/1984US4446470 Ink-jet color printing system
05/01/1984US4446469 Ink jet printer array
05/01/1984US4446355 Crossover construction of thermal-head and method of manufacturing same
05/01/1984US4445796 Print electrode control circuit
05/01/1984CA1166757A1 Slaved ramp voltage generator for a calligraphic character printer
05/01/1984CA1166513A1 Aspirator for an ink jet printer