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)
10/1990
10/09/1990US4962465 Character processor provided with dot pattern correcting function
10/09/1990US4962392 Thermal head supporting means for a thermal printing system
10/09/1990US4962391 Ink jet printer head
10/09/1990US4962389 Image recorder using ink imparted with adhesiveness by electro-chemical reaction
10/09/1990US4962387 Thermal transfer printing apparatus
10/09/1990US4962386 Color image recording system using multi-layer, heat-sensitive recording material
10/09/1990US4962375 Driving circuit for a light emitting diode array
10/09/1990US4962312 Laser beam scanning device with plural sources and source-sensitive synchronization
10/09/1990US4961821 Ode through holes and butt edges without edge dicing
10/09/1990US4961633 VLSI optimized modulator
10/09/1990US4961518 Cartridge container
10/09/1990CA1275008A1 Thermal transfer printing
10/04/1990WO1990011189A1 Ink-jet printing head and method of making it
10/04/1990DE4016501A1 Adjustable ink jet print head - has heating and ink chamber sections shiftable against each other
10/03/1990EP0390662A1 High power laser with output direction control
10/03/1990EP0390548A2 Recording head and substrates therefor having pads
10/03/1990EP0390473A2 An ink jet recording apparatus
10/03/1990EP0390444A2 Thermal printer for a portable data terminal
10/03/1990EP0390427A1 Nozzle drive control system and method for ink jet printing
10/03/1990EP0390346A2 Thermal ink jet device
10/03/1990EP0390338A1 Method of manufacturing a substrate for a liquid jet recording head
10/03/1990EP0390283A1 Nozzle configuration for an ink-jet printer and process for operating such a nozzle configuration
10/03/1990EP0390202A2 Ink jet recording head, driving method for same and ink jet recording apparatus
10/03/1990EP0390198A2 An ink jet recording apparatus
10/03/1990EP0389743A2 Apparatus and accompanying method for converting a bit mapped monochromatic image to a grey scale image using table look up operations
10/03/1990EP0389738A2 Printhead performance tuning via ink viscosity adjustment
10/03/1990EP0389481A1 Process and arrangement for automatic performance checking of printing ink devices.
10/03/1990CN1009862B Fluid assisted ion projection printing head
10/02/1990US4961082 Deaeration of ink in an ink jet system
10/02/1990US4961081 Ink feeding mechanism for ink jet printers
10/02/1990US4961080 Laser marker with mask scanning
10/02/1990US4961079 Laser printer having athermalized optical heads
10/02/1990US4961078 Thermally recording head using integrated mica as the spacer layer
10/02/1990US4961076 Reliability improvement for ink jet pens
10/02/1990US4960336 Apparatus and method for calibrating printing at a specified distance from a document edge
10/01/1990WO1990012386A1 Method and apparatus for conversion of outline characters to bitmap characters
10/01/1990CA2030533A1 Method and apparatus for conversion of outline characters to bitmap characters
09/1990
09/27/1990CA2006047A1 Printhead performance tuning via ink viscosity adjustment
09/26/1990EP0389364A2 Method and apparatus for controlling print overlay for a printing device
09/26/1990EP0389296A2 Ink jet head substrate and ink jet head having the same
09/26/1990EP0389217A2 Providing a surface with solvent-wettable and solvent-non-wettable zones
09/26/1990EP0389145A1 Apparatus and method for generating pattern data for a display and/or a printer
09/26/1990EP0389016A1 Matrix printer
09/26/1990EP0388979A2 Derivative compound of 1,3- or 1,4-bis(hexafluoroisopropyl) benzene, or 2,2-bisphenylhexafluoropropane, ink-repellent agent containing such derivative compound, head for ink jet recording treated with such ink-repellent agent and ink jet recording device equipped with such head
09/26/1990EP0388978A2 Recording head cartridge and recording apparatus using the same
09/26/1990EP0388763A2 Thermal transfer recording device
09/26/1990EP0388683A2 Thermal print head
09/26/1990EP0326556A4 Apparatus for printing on plastic cards
09/25/1990US4959871 Image input/output apparatus
09/25/1990US4959791 Control system for enhancing gray tones of a digitally operated printer
09/25/1990US4959731 Combined electrographic printer, copier, and telefax machine
09/25/1990US4959712 Method and apparatus for color adjustment
09/25/1990US4959674 Acoustic ink printhead having reflection coating for improved ink drop ejection control
09/25/1990US4959673 Ink jet recording apparatus
09/25/1990US4959668 Device for producing images on printing image carriers
09/25/1990US4959667 Refillable ink bag
09/25/1990US4959665 Laser printer with harmonic wave separation of the beam
09/25/1990US4959664 Laser scanner with beam transmissivity control
09/25/1990US4959663 Image recording device
09/25/1990US4959662 Ink jet recorder having means for removing unused ink from ink discharge orifice and for capping same
09/25/1990US4959660 Ink jet image formation apparatus with means for collecting ink mist
09/25/1990US4959659 Color picture forming apparatus and method
09/20/1990WO1990010846A1 Electric drop-jet generator
09/20/1990WO1990010845A1 Ink supply system for an ink jet head
09/20/1990WO1990010542A1 Recorder
09/20/1990WO1990010541A1 Process for varying the droplet size in ink printers
09/20/1990WO1990010540A1 Process and device for optimising the pressure pulses in ink printers operated by thermal converters
09/20/1990DE3906484A1 Thermal printhead
09/19/1990EP0388073A1 Recording apparatus and recording head substrate for use in the same
09/19/1990EP0387863A2 Method and device for jetting droplets
09/19/1990EP0387383A1 Self-sufficient light-operating element
09/18/1990US4958239 Method of gradation and selection of micro picture elements therefor in a picture display
09/18/1990US4958233 Digital and analog image recording apparatus
09/18/1990US4958220 Color imaging apparatus producing visually matched displays of perceptually distinct reproduced images
09/18/1990US4958219 Color image forming apparatus
09/18/1990US4958172 Charge transfer imaging cartridge
09/18/1990US4958168 Inkjet drop generator
09/18/1990US4957592 Orientation dependent etching, patterns, multilayer antisotropic
09/13/1990DE3907415A1 Thermal printer for identity cards
09/12/1990EP0387079A1 Divisional step dot printer
09/12/1990EP0387005A2 Output apparatus
09/12/1990EP0386994A2 Character pattern generator
09/12/1990EP0217931B1 Ink level detection system for ink jet printing apparatus
09/11/1990US4956684 Printer head with light emitting element array
09/11/1990US4956670 Electrostatic latent image forming apparatus controlling the direction of derivation of ions
09/11/1990US4956654 Liquid injection recording head with flexible support
09/11/1990US4956653 Bubble jet print head having improved multi-layer protective structure for heater elements
09/11/1990US4956648 Dot position discrepancy correcting circuit for printing apparatus
09/11/1990US4955736 Method and apparatus for energizing thermal head in accordance with dot pattern coincidence tables
09/11/1990US4955733 Printing apparatus with expanded pitch mode and underlining
09/11/1990CA1274021A1 Resolution conversion of bitmap images using error term averaging
09/11/1990CA1273844A1 Method and apparatus for producing characters in bold form
09/07/1990WO1990009890A1 Printer that effects gradation recording
09/06/1990CA2008748A1 Integral fiber optic printhead
09/05/1990EP0385866A2 Colour video printer
09/05/1990EP0385757A2 Substrate for thermal recording head and thermal recording head using same
09/05/1990EP0385743A2 Apparatus and method for electrophotographically printing continuous half-tones
09/05/1990EP0385738A2 Ink composite
09/05/1990EP0385624A1 An apparatus for, and a method of, printing a pattern on a container component
09/05/1990EP0385586A2 Method of fabricating ink jet printheads
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