Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049) |
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01/23/1990 | US4895464 Wire matrix print head assembly |
01/23/1990 | US4895463 Matrix print head |
01/23/1990 | EP0270534A4 Resolution conversion of bitmap images using error term averaging. |
01/17/1990 | EP0351347A2 Improved pattern mover for raster printing |
01/17/1990 | EP0350953A2 Substrate for liquid jet recording head and liquid jet recording head provided with said substrate |
01/17/1990 | EP0350865A2 An image recording device and an image processing apparatus |
01/17/1990 | CN1038886A Printing apparatus and toner/developer delivery system therefor |
01/16/1990 | US4894669 Laser beam printer |
01/16/1990 | US4894667 Ink jet recording head having a surface inclined toward the nozzle for acting on the ink |
01/16/1990 | US4894666 Image recording method and apparatus |
01/16/1990 | US4894664 Monolithic thermal ink jet printhead with integral nozzle and ink feed |
01/16/1990 | US4893952 Dot matrix printing system including improved ink transfer mechanism |
01/16/1990 | US4893926 Focusing for optical print heads |
01/16/1990 | US4893909 Magneto-optical light switching element and method of manufacturing same |
01/16/1990 | US4893646 Fluid pressure regulator |
01/16/1990 | US4893558 Image reproduction |
01/11/1990 | WO1990000115A1 Arrangement for warming up the ink in the write head of an ink printing machine |
01/10/1990 | EP0350258A2 Dot matrix printing heads |
01/10/1990 | EP0349959A2 Ink jet recording apparatus |
01/10/1990 | EP0349812A2 Thermal printing head and controller |
01/09/1990 | US4893257 Multidirectional scan and print capability |
01/09/1990 | US4893190 Gradation control device for thermal ink-transfer type printing apparatus |
01/09/1990 | US4893177 Apparatus and a method for generating manuscripts to reproduce a color print |
01/09/1990 | US4893138 Ink jet recovery device including a communicating valve and a ventilating valve |
01/09/1990 | US4893137 Recording apparatus and ink cartridge |
01/09/1990 | US4893136 Arithmetically computed motor hunt compensation for flying spot scanners |
01/09/1990 | US4893135 Laser printer with position registration enhancement |
01/09/1990 | US4893133 Thermal printing apparatus for forming a continuous tone dye image |
01/09/1990 | US4892591 Filler for ink jet recording paper |
01/09/1990 | US4892371 Semiconductor laser array light source and scanner |
01/03/1990 | EP0349212A2 Needle printing head |
01/03/1990 | EP0348516A1 Wire dot impact printer |
01/03/1990 | EP0348422A1 Stream deflection jet body for liquid jet printers. |
01/03/1990 | EP0160656B1 An electrophotographic information printer |
01/02/1990 | US4891769 Printer having prioritized on-line and off-line modes |
01/02/1990 | US4891768 Raster image processor |
01/02/1990 | US4891688 Very high-acceleration tolerant circuit card packaging structure |
01/02/1990 | US4891667 Document platen for electrostatographic reproduction apparatus |
01/02/1990 | US4891657 Apparatus for forming an image |
01/02/1990 | US4891656 Print cartridge with non-divergent electrostatic field |
01/02/1990 | US4891655 Thermal color printer |
01/02/1990 | US4891654 Ink jet array |
01/02/1990 | US4891652 Image recording apparatus using plural types of energy and reversible transfer recording medium conveyance |
01/02/1990 | CA1264199A1 Front-end system |
12/28/1989 | WO1989010265A3 Continuous ink jet printer having improved system for reducing pressure variations |
12/28/1989 | DE3821267A1 Character generator for a thermal transfer printer |
12/27/1989 | EP0348237A2 A laser beam projecting unit |
12/27/1989 | EP0348234A2 Ink-jet recording apparatus |
12/27/1989 | EP0348181A2 Ink jet recording method and apparatus used in the same method |
12/27/1989 | EP0348047A1 Modulating radiation beams |
12/27/1989 | EP0348003A2 Apparatus for optically writing information |
12/27/1989 | EP0347857A1 Ink jet recording head |
12/27/1989 | EP0347856A1 Ink jet recording head |
12/27/1989 | EP0347740A1 Thermal recording head |
12/27/1989 | CA1264094A1 Raster image memory |
12/26/1989 | US4890126 Ink-phobic and ink-philic organic plasma polymer coating |
12/26/1989 | US4890124 Printing apparatus utilizing an electric field applied between a charge storage layer on a transfer drum and a photoconductive layer member |
12/26/1989 | US4890123 Print cartridge |
12/26/1989 | US4890122 Method and apparatus for increasing inking resolution in an ink mosaic recording device |
12/26/1989 | US4890120 Thermal transfer type printing device capable of selecting ink sheets |
12/26/1989 | US4890119 Variable orientation ink catcher |
12/26/1989 | US4889785 Electrophotographic light-sensitive material |
12/26/1989 | US4889761 Solidification; uniform thickness |
12/26/1989 | US4889587 Dry etching, patterning heat-generating resistor |
12/26/1989 | US4889052 Paper feed control for a dot-line printer |
12/21/1989 | DE3919991A1 Verfahren zur tintenstrahlaufzeichnung A method for ink jet recording |
12/21/1989 | DE3919979A1 Verfahren zur umwandlung der gradation eines digitalen bilds, schaltung hierfuer, druckdichtesteuergeraet fuer einen drucker und drucker zur verwendung des verfahrens Process for the conversion of the gradation of a digital image, tripping here for, druckdichtesteuergeraet for a printer and printer for use of the procedure |
12/21/1989 | DE3919447A1 Tintenstrahlaufzeichnungsgeraet Tintenstrahlaufzeichnungsgeraet |
12/21/1989 | DE3919310A1 Matrixdrucker Matrix printer |
12/20/1989 | EP0347358A1 Electrophotographic machines with toner density balance and stroke width control |
12/20/1989 | EP0347341A2 Process for correcting down-the-page nonuniformity in thermal printing |
12/20/1989 | EP0347257A2 Image recording apparatus |
12/20/1989 | EP0347239A2 Recording head having spaced-apart electrodes |
12/20/1989 | EP0347238A2 Minutely patterned structure, and method of producing the same |
12/20/1989 | EP0346935A2 Ink jet recording head and process for preparing a substrate for a recording head |
12/20/1989 | EP0346833A2 Ticket issuing device |
12/20/1989 | EP0346647A1 Process for correcting across-the-head nonuniformity in thermal printers |
12/20/1989 | EP0346412A1 Compliant print head loading mechanism for thermal printers |
12/20/1989 | CN1006145B Electromagnetic hammer actuator for impact printer |
12/19/1989 | US4888777 Semiconductor laser control apparatus |
12/19/1989 | US4888603 Light emitting diode array |
12/19/1989 | US4888601 Image recording apparatus and method |
12/19/1989 | US4888598 Ink writing head with piezoelectrically excitable membrane |
12/18/1989 | EP0323474A4 Liquid stream deflection printing method and apparatus. |
12/14/1989 | WO1989012215A1 Controlled ink drop spreading in hot melt ink jet printing |
12/14/1989 | EP0313597A4 Hot melt ink supply system. |
12/13/1989 | EP0345764A2 Thermal price tag printer printer thermal head support structure |
12/13/1989 | EP0345724A2 Liquid jet recording head and recording device having the same head |
12/13/1989 | EP0210209B1 Device for writing by ink multinozzle projection |
12/12/1989 | US4887228 Method for filling surface parts of an image with a surface pattern |
12/12/1989 | US4887226 Dot printing device capable of printing underline together with characters |
12/12/1989 | US4887167 Recording apparatus |
12/12/1989 | US4887133 Printer |
12/12/1989 | US4887104 Electrooptical light shutter device and printer apparatus using same |
12/12/1989 | US4887103 Image forming apparatus and developing device thereof |
12/12/1989 | US4887100 Droplet deposition apparatus |
12/12/1989 | US4887099 Substrate for an ink jet recording head having electrodes formed on a glaze layer, and a recording head and apparatus using the substrate |
12/12/1989 | US4887098 Thermal ink jet printer having printhead transducers with multilevelinterconnections |
12/12/1989 | US4887096 Recording apparatus |
12/12/1989 | US4887095 Image recording apparatus using several types of energy and recording process |