Patents
Sitemap › B41 - Printing; Lining machines; Typewriters; Stamps › B41J - Typewriters; Selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; Correction of typographical errors › B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
03/1990
03/27/1990US4912484 Method of controlling thermal head
03/27/1990US4911567 Print head press-contact device
03/27/1990US4911566 Braking control system for thermal printhead
03/27/1990US4911526 Fiber optic array
03/27/1990US4910871 Calligraphy machine and related method of operation
03/27/1990CA1267235A1 Method and apparatus for quieting the operation of a dot matrix printer
03/27/1990CA1267034A1 Hydraulic servomechanism for controlling the pressure of writing fluid in an ink jet printing system
03/22/1990WO1990003015A1 Linear printhead writer assembly and mount therefor
03/22/1990WO1990002925A1 Dual mode ink jet printer
03/22/1990EP0331706A4 Oscillating bar suspension system.
03/21/1990EP0359581A2 Control system for dot matrix printer
03/21/1990EP0359580A1 A printer
03/21/1990EP0359571A2 Electrophotographic printing apparatus
03/21/1990EP0359417A2 Fabrication of silicon structures by single side, multiple step etching process
03/21/1990EP0359365A1 Modified ink jet printing head and method for producing ink jet printed images
03/21/1990EP0359248A2 Laser irradiating apparatus and laser recording apparatus using the same
03/21/1990EP0359133A2 Impact dot printer
03/21/1990EP0358833A1 Method of manufacturing an armature assembly for wire matrix print heads of the flap armature type
03/21/1990EP0216912B1 Method for ink jet print head cleaning
03/20/1990US4910534 Light emitting apparatus
03/20/1990US4910533 Color thermal printer
03/20/1990US4910532 Image recording apparatus
03/20/1990US4910529 Multifunction cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head
03/20/1990US4910528 Ink jet printer thermal control system
03/20/1990US4910510 System for off-the-air reprogramming of communication receivers
03/20/1990US4909649 Thermal transfer recording apparatus
03/20/1990US4909646 Printer head in which a printing end can be readily machined without being obstructed by a protecting member therefor
03/15/1990DE3930808A1 Colour printer for video image reproduction - transferring colour from foil to surface of image carrier via application of heat
03/15/1990DE3929642A1 Gloss prodn. on printed surface - where machine passes surface plus gloss film between metal roller and heated silicone-coated roller, then strips-off gloss film
03/14/1990EP0358487A2 Ink jet printer sealing apparatus
03/14/1990EP0357860A1 Wire matrix print head of the flap armature type
03/14/1990CN1040450A Piece-wise print image enhancement for dot matrix printers
03/13/1990US4908712 Method for tone reproduction in image forming system
03/13/1990US4908638 Ink jet marking head having multicolor capability
03/13/1990US4908636 Recovery device having a protruding portion providing reduced pressure for improved recovery and method using same
03/13/1990US4908635 Ink jet recording apparatus with density control function
03/13/1990US4908634 Laser power control for cut-paper printer
03/13/1990US4908632 Thermal printing apparatus
03/13/1990US4908631 Ultrasonic pixel printer
03/13/1990US4907901 Method and apparatus for measuring displacement of a moveable member of an electromagnetic device by using perturbations in the device's energizing current
03/13/1990CA1266710A1 Device for printing quality control
03/08/1990WO1990002387A1 Light emitting diode printhead
03/08/1990WO1990002386A1 Page memory control in a raster image processor
03/08/1990WO1990002385A1 Page memory control in a raster color image processor
03/08/1990WO1990002046A1 Heat-sensitive recording method, heat-sensitive recording medium used for said method and production method of said medium
03/07/1990EP0357526A2 Print head assembly acceleration control method
03/07/1990EP0357446A2 Half toning pixel processor
03/07/1990EP0357407A2 Image signal processing apparatus for use in color image reproduction system
03/07/1990EP0357389A2 Output device
03/07/1990EP0357383A2 Output apparatus
03/07/1990EP0357251A2 High speed shuttle printer
03/07/1990EP0357175A2 High resolution halftone dot generator system including two-dimensional LED array
03/07/1990EP0357057A2 Armature of printing head for use in wire printer
03/07/1990EP0357020A2 Manufacture or ink jet print heads by diffusion bonding and brazing
03/07/1990EP0357019A2 Brazing of ink jet print head components using thin layers of braze material
03/07/1990EP0257068B1 Method and device for sealing and cleaning the ink outlet orifices of an ink writing head
03/06/1990US4907193 Word processor using character group discrimination codes for variable pitch and logotype character control printing
03/06/1990US4907096 Image processing
03/06/1990US4907078 Method for reproducing color images which are distinguishable in a document having only two colors
03/06/1990US4907077 Method and apparatus for white balancing
03/06/1990US4907020 Driving circuit for an ink jet recording head having resistor elements respectively connected parallel to the electrothermal converting elements
03/06/1990US4907019 Ink jet cartridges and ink cartridge mounting system
03/06/1990US4907018 Printhead-carriage alignment and electrical interconnect lock-in mechanism
03/06/1990US4907017 Laser optical apparatus
03/06/1990US4907016 Recording head for use in an electrically excited transfer recording device
03/06/1990US4907015 Thermal printing head
03/06/1990US4907013 Circuitry for detecting malfunction of ink jet printhead
03/06/1990US4906827 Apparatus for automatically cancelling bank notes
03/06/1990US4906316 Method for printing on a substrate by hot-stamping
03/06/1990US4906170 Apparatus to form printed tubing
03/06/1990US4906116 Wire-dot print head
03/06/1990US4905503 Method and device for measuring the viscosity of a fluid
02/1990
02/28/1990EP0356238A2 Method of reducing average data rate in rotating mirror laser recorder
02/28/1990EP0356117A2 A single pass color highlighting copying system
02/28/1990EP0356076A2 Pattern output apparatus
02/28/1990EP0355862A1 Ink jet printer
02/28/1990EP0355839A2 Optical beam scanning apparatus
02/28/1990EP0355342A2 Substrates having a light-transmissive phase change ink printed thereon and methods for producing same
02/28/1990EP0355239A1 Wire matrix print head of the flap armature type
02/28/1990EP0216913B1 Ink jet printing apparatus having a wet-storage system
02/28/1990EP0203108B1 Ink jet single-nozzle printing head
02/27/1990US4905166 Method of generating line parts
02/27/1990US4905091 Recording data processor
02/27/1990US4905037 Image transfer system
02/27/1990US4905028 Electrophotographic printer
02/27/1990US4905027 Control method and apparatus for optical printer head
02/27/1990US4905024 Producing electrode for ink dot printer
02/27/1990US4905023 Image forming apparatus including digital image signal input means
02/27/1990US4905022 Image forming apparatus having laser light source
02/27/1990US4905021 Optical printer head with a light emitting diode array
02/27/1990US4905020 Thermal print head
02/27/1990US4905019 Pressurized fluid printer arrangement having transient fluid pressure drop buffering means
02/27/1990US4905018 Ink jet printing head and industrial plotter which is equipped with it
02/27/1990US4905017 Laminated liquid-jetting head capable of recording in a plurality of colors, a method of producing the head and an apparatus having the head
02/27/1990US4904862 Lens adjustment for a light emitting diode print head
02/27/1990US4904330 Hand-held labeler having improved web position sensing and print head control
02/27/1990CA1266201A1 Apparatus and method for dynamically varying the pressure of writing fluid supplied to an ink jet printer head
02/22/1990WO1990001751A1 Led array printhead and method of making same
02/22/1990WO1990001415A1 Continuous ink jet printer having improved stimulation waveguide construction
02/22/1990EP0333819A4 Platen arrangement for hot melt ink jet apparatus.
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