Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
01/1982
01/26/1982US4312269 Dot printing apparatus
01/26/1982US4312268 Apparatus and method for coating of inks applied at high speed
01/26/1982EP0039728A4 Magnetic printing head having a high signal-to-noise ratio.
01/26/1982CA1117178A1 Reproduction scanning system having intermediate storage between input and output scanning stations
01/26/1982CA1117177A1 Electrographic printing head
01/20/1982EP0043827A1 Ink jet printer.
01/19/1982US4312045 Recording control arrangement for a dot recording machine
01/19/1982US4312010 Ink jet printer
01/19/1982US4312009 Device for projecting ink droplets onto a medium
01/19/1982US4312008 Impulse jet head using etched silicon
01/19/1982US4312007 Synchronized graphics ink jet printer
01/19/1982US4312005 Ink jet printing apparatus
01/19/1982US4311436 Fluid pressure and velocity sensing apparatus
01/19/1982CA1116462A1 Bearing for the printing head of a matrix printer and printing head comprising such a bearing
01/13/1982EP0043720A2 Error compensation circuit for a bit clock
01/13/1982EP0043434A1 Matrix printer comprising an oscillary printing element carrier
01/12/1982US4310846 Deflection compensated ink ejection printing apparatus
01/12/1982US4310845 Ink drop compensation based on dynamic, print-data blocks
01/12/1982CA1116225A1 Adjustable imaging apparatus having guide rails and centering devices
01/06/1982EP0043295A1 Fluid drop recording apparatus
01/06/1982EP0043286A1 Methods of ejecting droplets from an array of pulsed droplet ejectors
01/06/1982EP0043275A1 Serial impact printer having two printing modes
01/06/1982EP0042950A2 Current collector for resistive ribbon printers
01/06/1982EP0042948A1 High speed impact matrix printer
01/06/1982EP0042932A2 A process for the manufacture of hollow tube-like members
01/06/1982EP0042923A2 Electrolytic printing electrode
01/06/1982EP0042922A1 Infrared and visible dual dye ink for ink jet printers
01/06/1982EP0042921A1 Wraparound ribbon printhead assembly for a printing mechanism
01/05/1982US4309712 Thermal printer
01/05/1982US4309711 Hidden gutter for ink jet recording system
01/05/1982US4309117 Ribbon configuration for resistive ribbon thermal transfer printing
01/05/1982US4309116 Print head assembly of wire dot matrix printer
12/1981
12/30/1981EP0042476A1 Electrophotographic copier including charge erase device
12/29/1981US4308547 Liquid drop emitter
12/29/1981US4308546 Ink jet tip assembly
12/29/1981US4308543 Rotating ink jet printing apparatus
12/29/1981US4308542 Ink jet recording method
12/29/1981US4308318 Rub resistant ribbon for non-impact printing
12/29/1981US4307966 Printer wire for printer wire assembly, assembly and method for producing same
12/29/1981US4307958 Printing machine having immediate duplexing capabilities
12/29/1981CA1115419A1 Security writing
12/29/1981CA1115331A1 Electrographic recording head having integral recording electrode cleaning means
12/29/1981CA1115326A1 Multiple speed ink jet printer
12/23/1981EP0042318A1 Sequential charging of droplets for multi-nozzle jet printers
12/23/1981EP0042317A1 Device for generating droplets for an ink jet printer
12/23/1981EP0042293A2 A wire dot printer
12/23/1981EP0042055A1 Ink jet printers and method of operating ink jet printers
12/23/1981EP0042049A1 Improved deflection electrode arrangement for an aspirated ink jet printer
12/23/1981EP0041982A1 A method for recording signals on bands by means of laser beams and apparatus for carrying out the method.
12/22/1981US4307409 Multi-aperture, feedback system for a laser scanner
12/22/1981US4307407 Ink jet printer with inclined rows of jet drop streams
12/22/1981US4306497 Dot matrix type printer
12/22/1981CA1114672A1 Ink maintenance sensor
12/22/1981CA1114671A1 Print wire solenoid
12/16/1981EP0041916A2 Method and printing head to produce printing signs by the matrix printing method
12/16/1981EP0041777A1 Ink supply system for a printer
12/16/1981EP0041706A2 Swinging refuse sheet of ink for the printing head of an ink writing device
12/15/1981US4306245 Liquid jet device with cleaning protective means
12/15/1981US4306243 Ink jet head structure
12/15/1981US4306242 Laser recording system
12/15/1981US4305701 Priming apparatus for liquid ink writing instruments
12/15/1981US4305652 Merging of information in a copier-printer system
12/15/1981US4305646 Optical system for electro-optical scanner
12/15/1981CA1114501A1 Character presence processor
12/15/1981CA1114219A1 Electrophotographic apparatus and method for producing printing plates
12/09/1981EP0041218A2 Wire print head
12/09/1981EP0041126A2 Mosaic printing head with cross-talk prevention means
12/09/1981EP0041105A1 Air purging system for ink jet printer
12/08/1981US4305082 Electric recording system and electric heat recording sheet
12/08/1981US4305080 Compensating driver circuit for thermal print head
12/08/1981US4305079 Movable ink jet gutter
12/08/1981CA1114006A1 Method and apparatus for detecting information stored on photocopying media, transmitting and storing the same
12/08/1981CA1114002A1 Compensation for aerodynamic drag on ink streams from a multi-nozzle ink array
12/08/1981CA1113884A1 Thin film thermal print head
12/08/1981CA1113782A1 Thermal transfer color printer
12/02/1981EP0040953A1 Optical scanning apparatus
12/02/1981EP0040883A2 Matrix printer with magnetic print-head adjustment
12/02/1981EP0040879A2 Matrix printer with automatic print-head adjustment
12/02/1981EP0040784A2 Arrangement for a print head in a matrix ink jet writing device
12/01/1981US4303929 Air purging pump for ink jet printers
12/01/1981US4303928 Printer head assembly for an ink jet system printer of the charge amplitude controlling type
12/01/1981US4303927 Apparatus for exciting an array of ink jet nozzles and method of forming
12/01/1981US4303925 Method and apparatus for controlling the position of printed ink droplets
12/01/1981US4303347 Matrix printer carriage arrangement
12/01/1981CA1113534A1 Piezoelectrically controlled drive system for generating high impact velocities and/or controlled strokes for impact printing
12/01/1981CA1113438A1 Facsimile stylus assembly
11/1981
11/26/1981WO1981003306A1 Density control of jet printing droplets
11/25/1981EP0040313A2 Matrix printer
11/25/1981EP0035500A4 Laser-based image recording system.
11/24/1981US4302762 Ink jet system printer including plural ink droplet issuance units for one column printing
11/24/1981US4302761 Ink jet system printer of the charge amplitude controlling type capable of printing different size characters
11/24/1981US4302700 Electrode guide for metal paper printers
11/24/1981US4302115 System for driving print wires for printers
11/24/1981US4302114 Electromagnetic wire printer
11/24/1981US4302096 Graphic forms overlay apparatus
11/24/1981US4301585 Method of forming plate having fine bores
11/24/1981CA1113149A1 Lightning arrester device
11/18/1981EP0039796A1 Control circuit for a write head with electrodes arranged in an inclined line of a metallized-paper printer
11/18/1981EP0039772A1 Multinozzle ink jet printer and method of operating such a printer
11/18/1981EP0039728A1 Magnetic printing head having a high signal-to-noise ratio.