Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
03/1983
03/08/1983US4375923 Rotatable print head for a multiple print station printing apparatus
03/03/1983WO1983000657A1 Droplets generating device for an ink jet printer
03/02/1983EP0073124A2 A method and device for avoiding defective elements in a thermal printer
03/02/1983EP0072953A2 Printing head for wire dot printer
03/01/1983US4375338 Wire dot print head
02/1983
02/23/1983EP0072709A2 Printer control system
02/23/1983EP0072685A1 Droplets-generating device for an ink jet printer
02/23/1983EP0072563A2 Method of reducing the redundancy of binary character sequences for matrix printing methods
02/23/1983EP0072494A2 A thermal head apparatus
02/22/1983US4375066 IJP Drop modulator
02/22/1983US4375065 Laser recorder
02/22/1983US4375064 Laser recorder
02/22/1983US4375062 Aspirator for an ink jet printer
02/22/1983US4374707 Orifice plate for ink jet printing machines
02/22/1983US4374617 Multi-function document processor
02/22/1983CA1141816A1 Light pipe for accurate erasure of photoconductor charge
02/16/1983EP0072224A1 A device for checking the printing circuit of a thermal printer
02/16/1983EP0072182A1 Multi-function document processor
02/16/1983EP0072124A1 Light-modulating device comprising a multigate light valve
02/16/1983EP0072110A2 Ink jet dot printer
02/15/1983US4374397 Light valve devices and electronic imaging/scan apparatus with locationally-interlaced optical addressing
02/15/1983US4374388 Method and an arrangement for depicting a half-tone image
02/15/1983US4374387 Deflecting device in ink jet printer
02/15/1983US4374386 Force-temperature stabilization of an electromagnetic device
02/15/1983US4374385 Method of forming gradated images by thermal printer and thermal head for thermal printers
02/15/1983US4374223 Elastic cover of an elastomeric material
02/15/1983US4374005 Electrodeposition of permeability material between electroconductive lines on insulating substrate
02/15/1983US4373440 Hammer bank assembly
02/15/1983US4373438 Dot printer
02/15/1983CA1141458A1 Plural line acousto-optically modulated laser scanning system
02/15/1983CA1141425A1 Multi-purpose optical data processor
02/15/1983CA1141424A1 Backup electrode and recording medium alignment guide arrangement for an electrostatic recorder
02/09/1983EP0071313A1 Solenoid drive circuit
02/09/1983EP0071254A2 Device for removing superfluous ink quantities in ink jet printers on movable record carriers
02/08/1983US4373164 Droplet charge condition detection in an ink jet system printer of the charge amplitude controlling type
02/08/1983US4372696 High quality printer
02/08/1983US4372695 Printing apparatus
02/08/1983US4372694 Electronic pocket calculator
02/08/1983US4372045 Method of manufacturing electrostatic write head
02/08/1983CA1141039A1 End of character flag for variable pitch character generator
02/08/1983CA1140982A1 Electrographic stylus writing apparatus
02/08/1983CA1140981A1 Electrographic printing
02/08/1983CA1140742A1 Ink process and composition
02/04/1983EP0061489A4 Character format control apparatus and method.
02/03/1983WO1983000383A1 Magnetic recording heads
02/01/1983US4371881 Pivotable ink-repelling screen for the writing head of an ink recording device
02/01/1983US4371879 Metalized recording carrier for recording instruments, and method of its manufacture
02/01/1983US4371878 Device for correcting ink dot misplacement in ink-jet printing
02/01/1983US4371582 Incorporating a water insoluble latex
02/01/1983US4371274 Apparatus for dot-matrix printing with proportional character spacing
02/01/1983US4371273 Electrochemical printhead
02/01/1983CA1140390A1 Recording head for ink mosaic recorders
01/1983
01/26/1983EP0016816B1 An apparatus and method for producing cyclic motion
01/25/1983US4370699 Printed wiring board for recording or displaying information
01/25/1983US4370668 Liquid ejecting recording process
01/25/1983US4370666 Thermal head driving device
01/25/1983US4370664 Ink jet printing apparatus
01/25/1983US4370663 Thin body ink drop generator
01/25/1983US4370662 Ink jet array ultrasonic simulation
01/25/1983CA1140199A1 Pressure pulse drop ejector apparatus
01/19/1983EP0070110A2 Selective ink-jet printing device
01/18/1983US4369457 Reverse polarity differential encoding for fringe field responsive electro-optic line printers
01/18/1983US4369456 Cleaning device for writing heads used in ink jet recorders and printers
01/18/1983US4369455 Ink jet printer drive pulse for elimination of multiple ink droplet ejection
01/18/1983US4369454 Recording apparatus
01/18/1983US4369452 Thermal recording head
01/18/1983US4369451 Thermal printing device
01/18/1983US4369450 Printer head in an ink jet system printer
01/18/1983CA1139674A1 Apparatus for producing a color picture on recording paper
01/12/1983EP0069358A2 Ink recording apparatus
01/11/1983US4368478 Ink supply system for ink jet printers
01/11/1983US4368477 Arrangement for a printing head in ink mosaic printing devices
01/11/1983US4368476 Ink jet recording head
01/11/1983US4368474 Ink droplet formation control in an ink jet system printer
01/11/1983US4368353 Printer head for serial dot printer
01/11/1983US4367962 Mosaic printing head
01/11/1983US4367677 Electromagnetic wire printer
01/11/1983CA1139468A1 Tir electro-optic modulator with individually addressed electrodes
01/11/1983CA1139353A1 Planar-faced electrode for ink jet printer and method of manufacture
01/11/1983CA1139352A1 Momentumless shutdown of a jet drop recorder
01/11/1983CA1139351A1 Method and apparatus for drop charge compensation in an ink drop printer
01/11/1983CA1139152A1 Counterbalanced bidirectional shuttle drive
01/05/1983EP0068759A2 Ink jet recorder and process
01/05/1983EP0068702A2 Thermal printer
01/05/1983EP0068126A2 Electrostatic recording system and a stylus driver therefor
01/04/1983US4367482 Method and apparatus for representing polychromatic half-tone images
01/04/1983US4367480 Head device for ink jet printer
01/04/1983US4367479 Method and apparatus for purging and/or priming an ink jet
01/04/1983US4367478 Pressure pulse drop ejector apparatus
01/04/1983US4367476 Ink jet printing apparatus
01/04/1983US4367395 Thermal pen tip
01/04/1983US4367009 Optical scanning apparatus with beam splitter to provide plural light beams
01/04/1983CA1139004A1 Electro-magnetic print hammer
12/1982
12/29/1982EP0067969A2 Drive circuit for thermal printer
12/29/1982EP0067953A2 Electrothermal printing apparatus
12/29/1982EP0067948A1 Method and apparatus for producing liquid drops on demand
12/29/1982EP0067889A1 Ink jet printing head
12/28/1982US4366500 Electronic color imaging apparatus having integral multicolor arrays
12/28/1982US4366490 Method and apparatus for tuning ink jets
12/28/1982US4366489 Thermal recording apparatus