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)
03/1989
03/22/1989EP0307800A1 Matrix printer
03/22/1989EP0307426A1 High speed print/catridge printer/feeder
03/22/1989EP0307403A1 Ink writing head with piezoelectrically excitable membrane.
03/21/1989US4814815 Image generating device having a reflecting plate for eliminating charge on a portion of the photoreceptor of an electrophotographic copying machine
03/21/1989US4814798 Combined electrographic printer, copier, and telefax machine with duplex capability
03/21/1989US4814796 Direct electrostatic printing apparatus and toner/developer delivery system therefor
03/21/1989US4814795 Ink jet head holder
03/21/1989US4814794 Apparatus for cleaning a nozzle of an ink jet printer
03/21/1989US4814792 Lateral registration adjusting device for use in a laser beam printer
03/21/1989US4814790 Dual mode thermal printer
03/21/1989US4814789 Thermal recording process and apparatus therefor
03/21/1989US4814788 Multi-jet ink jet printer
03/21/1989US4814787 Method for compensating temperature to a thermal head
03/21/1989US4814786 Hot melt ink supply system
03/21/1989US4814667 Light emitting diode array having uniform illuminance distribution
03/21/1989US4813802 Device for verifying if thermal printer is operating correctly
03/21/1989US4813797 Dot printer
03/15/1989EP0307251A2 Ink jet recording apparatus and method of preventing dewing therefor
03/15/1989EP0307180A2 A printer having a print head with an S/P converter and a driving circuit
03/15/1989EP0307160A2 Acoustic microstreaming in an ink jet apparatus
03/15/1989EP0307151A1 Printer
03/15/1989EP0307138A1 Thermal recording control method and system
03/15/1989EP0209529B1 Needle matrix printer
03/14/1989US4812861 Optical laser beam control device for printer
03/14/1989US4812860 Heater for ionographic marking head array
03/14/1989US4812859 Multi-chamber ink jet recording head for color use
03/14/1989US4812856 Method and apparatus for dispensing a fluid with dispersed particles therein
03/14/1989US4812673 Print pulse control circuit for electrostatic fluid jet applicator
03/14/1989US4812062 Print hammer with flux detection for print pressure control
03/14/1989US4812061 Technique for improving the wear resistance of a wire matrix printing head
03/14/1989US4811476 Method of manufacturing a magnetic transducer including a plurality of heads
03/14/1989CA1251093A1 Apparatus and method for positioning an ink-jet printing head
03/09/1989WO1989002137A1 Laser diode output power stabilization in a laser image setter
03/09/1989WO1989002039A1 Oscillating bar suspension system
03/09/1989WO1989001868A1 Drive element for recording heads in ink printing mechanisms
03/08/1989EP0306341A1 Ink jet recording apparatus
03/08/1989EP0306157A2 Apparatus and method for printing upright and rotated characters
03/08/1989EP0305916A2 Aerodynamic damper for impact printing actuator
03/08/1989EP0305871A1 Wire-dot print head driving apparatus
03/07/1989US4811110 Reflection-type overhead projector
03/07/1989US4811038 Ink jet printing system and drum therefore
03/07/1989US4811036 Printing apparatus and print head mounting assembly therefor
03/07/1989US4811035 Modular two-color fluid system for continuous ink jet printer
03/07/1989US4810852 High-resolution thermal printhead and method of fabrication
03/07/1989US4810119 Resistive ribbon for high resolution printing
03/07/1989US4810115 Character selecting mechanism
03/07/1989US4810113 Print head driving system
03/07/1989US4810112 Dot matrix print head of improved type
03/07/1989US4810111 Resistive ribbon thermal transfer printing apparatus
03/07/1989US4809642 Pipeline structure with sloped portion for bubble removal
03/07/1989US4809428 Thin film device for an ink jet printhead and process for the manufacturing same
03/07/1989CA1250953A1 Recording head device
03/07/1989CA1250786A1 Dot matrix print head
03/07/1989CA1250785A1 Method and apparatus for high resolution ink jet printing
03/07/1989CA1250783A1 Ink jet printing apparatus
03/01/1989EP0305318A1 Method for the manufacture of ink channels in a print head of an ink jet matrix printer
03/01/1989EP0305317A1 Method for the manufacture of ink channels in a print head of an ink jet matrix printer
03/01/1989EP0305137A2 Wire-dot printing head
03/01/1989EP0304916A1 Thermal printing control circuit
03/01/1989EP0304823A2 Color thermal printer
03/01/1989EP0304673A1 Thermally sensitive printing ribbon for use in thermal transfer printing and manufacture of same
03/01/1989EP0304672A1 Process for manufacture of a thermally sensitive ribbon for use in thermal transfer printing and the printing ribbon obtained therefrom
02/1989
02/28/1989US4809216 Print engine data interface
02/28/1989US4809063 Multicolor printing method using rectangular dither matrices of different size, shape, and arrangement of threshold values to minimize overlap of differently colored inks at lower gradations
02/28/1989US4809042 Light beam scanning device and electronic photographic recording device using the same
02/28/1989US4809027 Offset electrostatic printing utilizing a heated air flow
02/28/1989US4809026 Electrostatic printing utilizing a heated air flow
02/28/1989US4809024 Ink jet head with low compliance manifold/reservoir configuration
02/28/1989US4809020 Control apparatus for electronic image printer
02/28/1989US4809019 Character generator for thermal printers
02/28/1989US4809018 Thermal transfer printer
02/28/1989US4809017 Ink jet printing head
02/28/1989US4809016 Inkjet interlace printing with inclined printhead
02/28/1989US4809015 Continuous ink jet printer having modular print head assembly
02/28/1989US4808985 Character pattern converting circuit
02/28/1989US4808260 Anisotropically etching
02/28/1989CA1250486A1 Ink feeder circuit for ink jet printing head
02/28/1989CA1250485A1 Nozzle cleaning device for an ink jet system printer
02/28/1989CA1250484A1 Thermal transfer recording system and method
02/23/1989DE3814545A1 Thermokopf-ueberwachungsschaltkreis Thermal head ueberwachungsschaltkreis
02/22/1989EP0304276A2 Beam recorder
02/22/1989EP0304218A2 Method and apparatus for carrying out a dithering operation
02/21/1989US4807156 Adjustable print size control for raster output scanners
02/21/1989US4807047 Electro luminescence device and electrophotographic printing system using the same
02/21/1989US4806957 Electrostatic printhead and method of manufacture
02/21/1989US4806956 Recording electrode for ink dot printer
02/21/1989US4806955 Ink jet printer of the ink-on-demand type
02/21/1989US4806951 Optical printer
02/21/1989US4806950 Image recording apparatus for heat generation type
02/21/1989US4806948 Ribbon separating mechanism for thermal printer
02/21/1989US4806947 Series type thermal writing head for printer
02/21/1989US4806946 Light beam scanning recording method
02/21/1989US4806725 Circuit substrate and thermal printing head using the same
02/21/1989US4806106 Interconnect lead frame for thermal ink jet printhead and methods of manufacture
02/21/1989US4806032 For retaining an amount of liquid ink
02/21/1989US4805983 Led array head
02/21/1989US4805982 Led array head
02/21/1989CA1250181A1 Ink drop ejecting head
02/15/1989EP0303350A1 Offset nozzle droplet formation
02/14/1989US4805038 Imaging apparatus which includes a light-valve array having electrostatically deflectable elements
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