Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
01/1981
01/27/1981CA1094632A1 Rotary electrical printer and method
01/27/1981CA1094631A1 Technique of character generation on magnetic tapes
01/22/1981WO1981000151A1 Stacked drop generators for pulsed ink jet printing
01/21/1981EP0022704A1 Image printing array, its manufacturing method and image printing device
01/21/1981EP0022480A1 Electromagnetic print hammer actuator mechanism
01/21/1981EP0022466A1 Dot matrix printer with striking edges mounted on the outer surface of a rotating printing drum
01/20/1981US4246589 Inertial deflection field tilting for bi-directional printing in ink jet printers
01/20/1981US4246587 Thermal array protection method and apparatus
01/20/1981US4246076 Method for producing nozzles for ink jet printers
01/20/1981CA1094146A1 No translation available
01/20/1981CA1094145A1 No translation available
01/20/1981CA1094142A1 Flash lamp configuration for magnetic imaging
01/14/1981EP0022254A1 Piezoelectric drive element for the printing nozzles in mosaic ink-printer units
01/14/1981EP0022195A2 Glass composition for embedding several glass nozzles in a multiple-nozzle ink jet printer
01/13/1981US4245227 Ink jet head having an outer wall of ink cavity of piezoelectric material
01/13/1981US4245226 Ink jet printer with heated deflection electrode
01/13/1981US4245225 Ink jet head
01/13/1981US4245224 Drive circuit for ink jet discharging head
01/13/1981US4244658 Dot printer head
01/13/1981US4244657 Font and method for printing cursive script
01/13/1981CA1093382A1 Matrix print wire solenoid
01/13/1981CA1093381A1 Stacked blade matrix printer heads
01/08/1981WO1981000008A1 Printing apparatus and method of making same
01/07/1981EP0021966A1 Ultrasonic-radar printer
01/07/1981EP0021965A1 Printer with linear motor
01/07/1981EP0021833A1 A method of manufacturing a thermal head
01/07/1981EP0021831A1 Pixel clock circuit and method of operating a raster imaging device
01/07/1981EP0021755A1 Pressure pulse drop ejecting apparatus
01/07/1981EP0021754A1 Electro-optic modulator and use of the same
01/07/1981EP0021389A1 Ink printing device for the printing of a recording support
01/07/1981EP0021098A2 Apparatus for re-inking a ribbon in a thermal transfer printing system
01/07/1981EP0020997A1 Ink jet printer comprising a device to control the position of ink drops on a printing matrix
01/07/1981EP0020984A1 Ink jet printing system and method of generating liquid droplets
01/07/1981EP0020930A1 An acousto-optically modulated scanning system
01/07/1981EP0020851A1 Ink jet printers with ink drop compensation and method of ink drop compensation
01/07/1981EP0020566A1 Ink jet printing
01/06/1981US4243995 Encapsulated piezoelectric pressure pulse drop ejector apparatus
01/06/1981US4243994 Liquid recording medium
01/06/1981US4243694 Jet ink process and ink composition fluorescent in ultraviolet light
01/06/1981US4243332 Electrode guide
01/06/1981CA1093137A1 Piezoelectrically operated printer heads
12/1980
12/30/1980US4242688 Ink jet printer
12/30/1980US4242687 Heated deflection electrode assembly for a jet drop recorder
12/30/1980US4242565 Thermal print head
12/30/1980US4242004 Dot matrix printhead driver
12/30/1980US4242003 Multi-pass matrix printing
12/30/1980US4241990 Multi-purpose optical data processor
12/30/1980CA1092638A1 Direct current bias fields for magnetic printing
12/30/1980CA1092637A1 Interchangeable printhead
12/23/1980US4241415 Masking device for selectively preventing visualization of data from a data output system
12/23/1980US4241406 System and method for analyzing operation of an ink jet head
12/23/1980US4241357 Method and apparatus for operating an ink jet
12/23/1980US4241103 Method of manufacturing an integrated thermal printing head
12/23/1980US4240756 Optimized wire matrix impact print head
12/23/1980CA1092246A1 Data system with microprocessor featuring multiplexed data transfer and repeat cycle driving arrangement
12/23/1980CA1092184A1 Method and apparatus for synchronizing charging of droplets of a pressurized conductive liquid stream
12/16/1980US4240082 Momentumless shutdown of a jet drop recorder
12/16/1980US4240081 Ink jet printing
12/16/1980US4239403 Counterbalanced bidirectional shuttle drive
12/16/1980US4239402 Detachable wire matrix print head mounting structure
12/16/1980US4239398 Device for attenuating noise emitted to the environment by noise-generating aggregates having simultaneous dissipation of heat
12/16/1980EP0016816A4 An apparatus and method for producing cyclic motion.
12/16/1980CA1091758A1 Non-impact printer with magnetic ink reorientation
12/11/1980WO1980002673A1 Ink delivery apparatus for a dot matrix printer
12/10/1980EP0020182A1 Liquid drop generation apparatus and method
12/10/1980EP0020163A1 Monolithic HVMOSFET array
12/10/1980EP0020076A1 Optical scanning system
12/10/1980EP0019706A1 Print element actuator for a wire printer
12/09/1980US4238807 Non-impact printing device
12/09/1980US4238806 Dot matrix printing device
12/09/1980US4238805 Ink jet printer startup and shutdown procedure
12/09/1980US4238804 Stitching method and apparatus for multiple nozzle ink jet printers
12/09/1980US4238275 Pyrocatechol-amine-water solution for the determination of defects
12/02/1980US4237469 Electrostatic write head
12/02/1980US4236837 Operating mechanism for a dot matrix printer
12/02/1980US4236836 Dot impact printer and actuator therefor
12/02/1980US4236835 Printer system with compressed print capability
12/02/1980US4236834 Electrothermal printing apparatus
12/02/1980US4236809 Low resolution correction apparatus and method for electrophotographic copiers
12/02/1980CA1090864A1 Magnetic interpositive method
12/02/1980CA1090863A1 Density control for ink jet printer
12/02/1980CA1090861A1 Printer heads for mosaic printer units
11/1980
11/26/1980EP0019385A1 A planar-faced charge electrode structure for ink jet printers and method of fabricating such a structure
11/26/1980EP0019049A1 Electrode guide channel for metal paper printer
11/25/1980US4236223 Electro-optical printer
11/25/1980US4236163 Thermal recording stylus
11/25/1980US4236064 High-accuracy temperature control with heat resistance compensation
11/25/1980US4235555 Non impact dot matrix printer
11/25/1980CA1090407A1 Drop counter ink replenishing system
11/18/1980US4234885 Remote ink valve
11/18/1980US4234884 Ink jet printer assembly and alignment of printer components
11/18/1980US4233894 Print hammer mechanism having dual pole pieces
11/18/1980CA1089999A1 Bidirectional ink jet printer
11/18/1980CA1089919A1 Electrographic recording head
11/18/1980CA1089917A1 Jet drop copying apparatus
11/18/1980CA1089916A1 Arrangement for multi-orifice ink jet print head
11/18/1980CA1089914A1 Vector magnetic ink jet printer with stabilized jet stream
11/18/1980CA1089913A1 Bi-directional dot matrix printer
11/18/1980CA1089912A1 Charge electrode array and combination for ink jet printing and method of manufacture
11/13/1980WO1980002467A1 Laser-based image recording system