Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
11/1984
11/14/1984EP0124641A1 Radiant energy collector for use in an optical grating system
11/13/1984US4482917 Method for a reproduction of colored masters in four-color printing using color reduction
11/08/1984WO1984004278A1 Print wire solenoid
11/07/1984EP0124465A1 Charge control device and its application to ink droplets speed control.
11/07/1984EP0124339A2 Pulsed aperture for an electrostatic ink jet system
11/07/1984EP0124312A2 Resistor structures for thermal ink jet printers
11/07/1984EP0124311A2 Thermal ink jet printers
11/07/1984EP0124192A2 Ink for thermal ink jet printers
11/07/1984EP0124190A2 Method of generating an N-tone gray scale with a thermal ink jet printer, and apparatus therefor
11/07/1984EP0124116A2 Multicolour head for writing and printing recording devices
11/07/1984EP0124073A2 Thermal-printing device
11/07/1984EP0123886A2 Print hammer assembly method
11/06/1984US4481520 Electroosmotic ink printer head
11/06/1984US4481518 Transfer type heat-sensitive recording device
11/06/1984US4480934 Ballistic print wire actuator using a telescopic armature
11/06/1984US4480899 Two dimensional electro-optic modulator and applications therefor
11/06/1984US4480892 Light beam deflecting apparatus
11/06/1984CA1177518A1 Multi-aperture, feedback system for a laser scanner
11/06/1984CA1177517A1 Electrostatic high voltage drive circuit using diodes
11/06/1984CA1177516A1 Ink jet printing machine
11/06/1984CA1177242A1 Writing devices for plotting and recording apparatus
11/05/1984EP0073792A4 Improvements in and relating to impact printing.
10/1984
10/31/1984EP0123523A2 Droplet depositing apparatus and method
10/31/1984EP0123425A1 Multi-channel electro-optic printer
10/30/1984US4480259 Ink jet printer with bubble driven flexible membrane
10/30/1984US4480258 Magnetic recording medium
10/30/1984US4480257 Optical printer comprising light switching elements
10/30/1984US4479982 Method for producing a lyophobic layer
10/30/1984CA1177046A1 Liquid sorbent materials
10/29/1984EP0079886A4 Aspirator for an ink jet printer.
10/24/1984EP0122510A2 Dot matrix print actuator
10/23/1984US4479136 Cleaning system and method for ink jet printer
10/23/1984US4479135 Ink recording apparatus
10/23/1984US4479134 Electronic device having a thermal ink jet recorder
10/23/1984US4479133 Light beam rotary printer
10/23/1984US4479132 Thermal printer
10/23/1984US4478528 Wire matrix print head assembly
10/23/1984US4478510 Cleaning device for modulation control means
10/23/1984US4478504 Electrostatic recording apparatus
10/23/1984US4478495 Light gate assemblies, elements and manufacturing methods
10/23/1984CA1176742A1 Thick film line modulator
10/23/1984CA1176708A1 Residual ink detection mechanism
10/23/1984CA1176692A1 Method of and device for the electrophotographic printing of information
10/23/1984CA1176691A1 Gray tone recorder
10/23/1984CA1176689A1 Printing head for ink jet printers
10/23/1984CA1176592A1 Chemical print element and printing system for its use
10/23/1984CA1176503A1 Jet nozzle for an ink jet printer
10/23/1984CA1176437A1 Jet nozzle plate for an ink jet printing head and method of manufacturing such a jet nozzle plate
10/17/1984EP0122198A1 Pencil plotting head for a draughting machine
10/17/1984EP0122003A1 Electrographic marking apparatus
10/17/1984EP0121975A1 Thin-film electromagnetic read/write head structure
10/17/1984EP0121895A2 Write head for an ink write device
10/17/1984EP0121894A2 Piezoelectrically operated write head for ink mosaic recording devices
10/17/1984EP0121882A2 High quality printing method
10/17/1984EP0121799A2 Postage printing apparatus having a movable print head and a hollow non-rotating support shaft
10/17/1984EP0121623A2 Anti-wetting in fluid nozzles
10/16/1984US4477869 Pulsed aperture for an electrostatic ink jet system
10/16/1984US4477823 Ink jet recording apparatus
10/16/1984US4477820 Method of driving a thermal head
10/16/1984CA1176370A1 Method for recording signals on bands by means of laser beams and apparatus for carrying out the method
10/16/1984CA1176301A1 Modulated light printing
10/11/1984WO1984003972A1 An electrophotographic information printer
10/10/1984EP0121380A2 Heat-sensitive inked element for high-speed thermal printers
10/10/1984EP0121304A2 Automatic calibration of drop-on-demand ink jet ejector
10/10/1984EP0121242A2 Ink-dot printer
10/10/1984EP0121218A1 Printing apparatus
10/10/1984EP0121156A2 Serial impact printer
10/10/1984EP0121154A2 Postage printing apparatus having a movable print head in a print drum
10/10/1984EP0121033A2 Solid-state laser scanning system and electrophotographic machine including the same
10/09/1984US4476472 Bubble removal in an ink liquid supply system of an ink jet system printer
10/09/1984US4476377 Thermal printing head
10/09/1984US4476179 Ink donor sheet
10/09/1984US4475826 Matrix printer with magnetic head adjustment
10/09/1984US4475457 Roller marker
10/09/1984CA1175884A1 Light emitting diode assembly
10/09/1984CA1175883A1 Electrolytic printing electrode
10/09/1984CA1175882A1 Gray scale electrostatic recording system and a stylus driver therefor
10/09/1984CA1175881A1 Digital platemaker system and method
10/09/1984CA1175879A1 Ink jet printing method and apparatus
10/03/1984EP0120703A2 Printer having improved stored energy printhead
10/03/1984EP0120621A1 Electrographic marking apparatus and method
10/03/1984EP0120455A2 Printer
10/03/1984EP0120241A2 Thermal printing with ink replenishment
10/03/1984EP0120160A2 Method for reducing erosion due to cavitation in ink jet printers
10/02/1984US4475162 Output device for providing information by scan
10/02/1984US4475116 Ink printer equipped with an ink printing head and intermediate ink container disposed on a movable carriage
10/02/1984US4475115 Banding-free printing by linear array of photosources
10/02/1984US4475114 Thermal head recording device
10/02/1984US4475113 Drop-on-demand method and apparatus using converging nozzles and high viscosity fluids
10/02/1984US4475112 Method of distributing data for driving a thermal printing head
10/02/1984US4474485 Dot matrix printing head
10/02/1984CA1175473A1 Multigate light valve for electro-optic printers having non-telecentric imaging systems
10/02/1984CA1175359A1 Arrayed ink jet apparatus
10/02/1984CA1175288A1 Printhead stylus assembly
10/02/1984CA1175287A1 Ink supply system for an array of ink jet heads
09/1984
09/26/1984EP0119811A2 Thermal printing head
09/26/1984EP0119573A1 Microdroplet dispensing apparatus and method
09/26/1984EP0119489A2 Writing apparatus functioning with liquid droplets
09/26/1984EP0119334A1 Unitary, modular demountable optical system for laser diode printing copying apparatus
09/26/1984EP0119275A1 Ink ribbon for sublimation transfer process hard copying