Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
07/1988
07/12/1988US4757329 Desk-top thermal printer
07/12/1988US4757328 Ink jet charging plant and drop-catcher assembly
07/12/1988US4757327 Photoplotter radiant source output equalization method
07/12/1988US4756963 Protective member and print protection method using the same
07/12/1988US4756583 Scanning optical system for use in a laser beam printer
07/12/1988US4756508 Silicon valve
07/07/1988DE3726671A1 Method and device for maintaining the functionability of an ink jet printer
07/07/1988DE3644095A1 Measuring device for the residual ink in a flexible ink bag in ink jet printers
07/06/1988EP0273738A2 Printer with erasing function
07/06/1988EP0273718A2 Recording process and liquid using water-soluble organic solvent
07/06/1988EP0273664A2 Droplet ejectors
07/06/1988EP0273552A2 Method of making mandrels for use in a deposition process
07/06/1988EP0273536A1 Apparatus to damp turbulence in an ink jet fluid supply chamber
07/06/1988EP0273362A1 Ink jet recording apparatus
07/06/1988EP0273282A1 Method for velocity adjustment of ink jet nozzles in a nozzle array
07/06/1988CN87106250A Multifunction ionographic marking apparatus
07/05/1988US4755846 Light transmitting plate holding construction of image forming device
07/05/1988US4755837 Direct electrostatic printing apparatus and printhead cleaning structure therefor
07/05/1988US4755836 Printhead cartridge and carriage assembly
07/05/1988US4755834 Thermal transfer printer
07/05/1988US4755833 Thermal transfer printer
07/05/1988US4755831 Multi-layer full-color thermosensitive sheet recording method
07/05/1988US4755068 Dot matrix print head assembly
07/05/1988CA1238942A1 Thermal recording system and method
07/05/1988CA1238941A1 Geometric led layout for line exposure
06/1988
06/30/1988WO1988004613A1 System for determining orifice interspacings of cooperative ink jet print/cartridges
06/30/1988WO1988004612A1 Transverse printing control system for multiple print/cartridge printer
06/30/1988WO1988004611A1 Pressure regulation system for multi-head ink jet printing apparatus
06/30/1988WO1988004610A1 Ink jet printer for cooperatively printing with a plurality of insertable print/cartridges
06/30/1988WO1988004609A1 Multiple print/cartridge ink jet printer having accurate vertical interpositioning
06/30/1988WO1988004132A3 Printer head
06/29/1988EP0272999A1 Matrix print head
06/29/1988EP0272936A2 Ink-jet recording process
06/29/1988EP0272899A2 Acoustic printheads
06/29/1988EP0272820A2 Transient state liquid crystal image bar with contrast enhancement
06/29/1988EP0272287A1 Printer energy control circuit.
06/29/1988CN87107673A Direct electrostatic printing apparatus and toner/developer delivery system therefor
06/29/1988CN87107672A Direct electrostatic printing apparatus and printhead cleaning structure therefor
06/28/1988US4754300 Combined electrographic printer, copier, and telefax machine
06/28/1988US4754289 Two-dimensional ink drop shadow position detecting apparatus
06/28/1988US4753504 Highly reflective surface layer of titanium nitride and carbide; near infra red
06/28/1988CA1238718A1 Electronic control of imaging system
06/28/1988CA1238584A1 Continuous tone recording system using laser beam
06/28/1988CA1238515A1 Impact printer actuator
06/28/1988CA1238514A1 Thermal recording system and method
06/28/1988CA1238513A1 Method and apparatus for thermally printing data on special fonts on documents like checks
06/22/1988EP0272155A2 Acoustic printheads
06/22/1988EP0272154A2 Acoustic printheads
06/22/1988EP0272092A2 Acoustic printers
06/22/1988EP0271905A2 Ink jet recording method and ink jet recording apparatus utilizing the same
06/22/1988EP0271904A2 Liquid injection recording method
06/21/1988US4752894 Color plotter controller
06/21/1988US4752804 Multicolored image forming apparatus in which toner images are successively transferred from a plurality of image bearing members to a transfer material
06/21/1988US4752790 Control circuit for an ink jet head
06/21/1988US4752789 Multi-layer transducer array for an ink jet apparatus
06/21/1988US4752788 Ink jet recording head
06/21/1988US4752787 Liquid jet recording head
06/21/1988US4752786 Single motor multi-function drive control recorder
06/21/1988US4752784 Thermal electrostatic ink-jet recording method
06/21/1988US4752783 Thermal-electrostatic ink jet recording method and apparatus
06/21/1988US4752782 Method and apparatus for thermal-electrostatic ink jet recording
06/21/1988US4752144 Reciprocative typing control system
06/21/1988US4751774 Method of fabricating an ink jet apparatus
06/21/1988CA1238450A1 Process for the production of optionally cellular moldings
06/21/1988CA1238240A1 Ink cartridge manufacturing method and apparatus
06/21/1988CA1238239A1 Low voltage transformer coupled ink jet driver
06/21/1988CA1238238A1 Ink drop velocity control system
06/21/1988CA1238237A1 Method and apparatus for improving gray scale resolution in ink jet printing systems
06/16/1988WO1988004503A1 Process control for electrostatographic machine
06/16/1988WO1988004235A1 Cell with multiple functions comprising a variable volume chamber and fluid supply circuit for an ink jet printing head fitted therewith
06/16/1988WO1988004132A2 Printer head
06/15/1988EP0271257A2 Thin film vertical resistor devices for a thermal ink jet printhead and methods of manufacture
06/15/1988EP0271178A2 Image processing apparatus
06/15/1988EP0271090A2 Recording apparatus
06/15/1988EP0270622A1 Electronic control system, in particular for a printer.
06/15/1988EP0270534A1 Resolution conversion of bitmap images using error term averaging.
06/14/1988US4751659 Defect compensation for discrete image bars
06/14/1988US4751553 Reader-printer
06/14/1988US4751535 Color-matched printing
06/14/1988US4751534 Planarized printheads for acoustic printing
06/14/1988US4751533 Thermal-electrostatic ink jet recording apparatus
06/14/1988US4751532 Thermal electrostatic ink-jet recording head
06/14/1988US4751531 Thermal-electrostatic ink jet recording apparatus
06/14/1988US4751530 Acoustic lens arrays for ink printing
06/14/1988US4751529 Microlenses for acoustic printing
06/14/1988US4751528 Platen arrangement for hot melt ink jet apparatus
06/14/1988US4751527 Ink-jet typeprinter having means to prevent image degradation
06/14/1988US4751523 Laser scanner power compensation circuit
06/14/1988US4751520 Apparatus and method for printing using a thermal head
06/14/1988US4751519 Reciprocating recording paper in recording apparatus
06/14/1988US4751518 Heating resistor as a thermal head resistive element
06/14/1988US4751517 Two-dimensional ink droplet sensors for ink jet printers
06/14/1988US4750880 Compliant print head loading mechanism for thermal printers
06/14/1988US4750260 Thermal head method of manufacturing
06/14/1988US4750259 Method of making armature group for mosaic printing head
06/14/1988CA1237943A1 Thermal printing cassette mountable in a thermal printer
06/09/1988DE3739963A1 Copier
06/08/1988EP0269992A2 Image recording apparatus and method
06/08/1988EP0269959A1 Wire-type printing head
06/08/1988EP0168474B1 Position indicator means for an electrically controlled device such as a printer