Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
06/1990
06/05/1990CA1270068A1 Adaptable selection and profiling of coil currents for multiple actuator assembly
06/05/1990CA1269809A1 Conductive pyrolyzed dielectrics and articles made therefrom
05/1990
05/31/1990WO1990005956A1 System for generating aesthetically alterable character designs
05/31/1990WO1990005893A1 Hot melt ink printing
05/31/1990WO1990005892A1 Removal of dissolved gas from ink in an ink jet system
05/31/1990WO1990005636A1 Orifice plate cleaner for hot melt ink jet
05/30/1990EP0370817A2 Thermal ink jet printer having printhead transducers with multilevel interconnections
05/30/1990EP0370776A2 Method of fabricating ink jet printheads
05/30/1990EP0370765A2 Ink jet head cartridge with a residual-ink detector
05/30/1990EP0370438A1 Method for preparing a flexible electrical connector
05/30/1990EP0370271A2 Method of and apparatus for recording halftone images and halftone images produced thereby
05/29/1990US4930023 Halftone dot generator using grained screen patterns
05/29/1990US4930018 Method and system for enhancing the quality of both color and black and white images produced by ink jet printers
05/29/1990US4929970 Laser printer
05/29/1990US4929969 Ink supply construction and printing method for drop-on-demand ink jet printing
05/29/1990US4929968 Printing head assembly
05/29/1990US4929966 Continuous ink jet printer with a gravity drain, catcher return system
05/29/1990US4929965 Optical writing head
05/29/1990US4929964 Method for preparing liquid jet recording head, liquid jet recording head prepared by said method and liquid jet recording device having said liquid jet recording head mounted thereon
05/29/1990US4929963 Ink delivery system for inkjet printer
05/29/1990US4929529 Method of increasing sensitivity of digital photosensitive member
05/29/1990US4929256 Multi-disc cutter and method of manufacture
05/29/1990US4929109 Ink cartridge
05/29/1990US4929103 Shiftable guide for a matrix printhead
05/29/1990US4929101 Magnetic cores
05/29/1990US4929100 Taut band piezoelectric actuator for wire matrix printing elements
05/29/1990US4929099 For printing character oriented data
05/23/1990EP0369986A2 Autofocus system
05/23/1990EP0369778A2 Image recording apparatus
05/23/1990EP0369759A1 A mounting structure for mounting a solenoid on a support structure
05/23/1990EP0369755A2 Thin film electroluminescent edge emitter structure on a silicon substrate
05/23/1990EP0369347A2 Thermal print head
05/23/1990EP0369302A2 Method of and apparatus for producing halftone image
05/23/1990EP0368971A1 Thermal recording apparatus
05/22/1990US4928277 Method and apparatus for driving laser beam source to avoid droop effects
05/22/1990US4928252 Printing apparatus and method for printing a plurality of pages onto a single sheet
05/22/1990US4928139 Assembly containing a linear focusing means and method of making same
05/22/1990US4928126 Ink container with dual-member sealing closure
05/22/1990US4928125 Liquid drop ejection apparatus using a magnetic fluid
05/22/1990US4928120 Orifice plate cleaner for hot melt ink jet
05/22/1990US4928119 Mount for maintaining a printhead assembly
05/22/1990US4928118 Enhanced resolution electrophotographic-type imaging station
05/22/1990US4928117 Thermal printout density control
05/22/1990US4928116 Ink jet printer having improved print head heater construction
05/22/1990US4928115 Continuous ink jet printer having remotely operable print head assembly
05/22/1990US4928114 Air skiving system for ink jet printer start-up
05/22/1990US4928113 Constructions and fabrication methods for drop charge/deflection in continuous ink jet printer
05/22/1990US4928111 Method for operating a valve
05/22/1990US4928110 Thermal recording control method and system
05/22/1990US4927778 Examining semiconductor wafers; forming diodes on those with major axes parallel to crystal irregularities
05/21/1990CA2002402A1 Tabcircuit electrical connector supporting multiple components thereon
05/17/1990WO1990005067A1 An arrangement in fluid jet printers
05/17/1990WO1990005066A1 Ink jet writing head
05/17/1990DE3937860A1 Tintenstrahl-aufzeichnungsgeraet Inkjet aufzeichnungsgeraet
05/17/1990DE3838538A1 Method for manufacturing an ink jet print head
05/17/1990DE3838446A1 Print head with a print line made of electro-optical material
05/16/1990EP0368664A2 Image forming apparatus
05/16/1990EP0368324A2 Thermal transfer recording apparatus and method
05/16/1990EP0368323A2 Thermal transfer recording apparatus and facsimile apparatus
05/16/1990EP0367994A2 Binary video signal processing apparatus and semiconductor laser printer using such apparatus
05/16/1990EP0367833A1 Thermal head drive circuit and manual scanning-type copying machine
05/16/1990EP0367804A1 Improving image contrast by thermal printers
05/16/1990CN1042234A High-resolution ratio printing method of having aid of appending ink-droplet using in consecutive ink jet type printing apparatus
05/15/1990US4926263 Synchronizing circuit for optical scanning apparatus
05/15/1990US4926200 Electrophotographic printer
05/15/1990US4926198 Linear printhead writer assembly
05/15/1990US4926197 Plastic substrate for thermal ink jet printer
05/15/1990US4926196 Ink jet printer
05/15/1990US4925625 Dot print head having a torsion bar with elastic portions
05/15/1990CA1269174A1 Picture data memory system for storing both black and white and color picture data with different resolutions
05/10/1990DE3837680A1 Tintenstrahl-schreibkopf Ink-write head
05/09/1990EP0367550A2 A drive circuit for a printer
05/09/1990EP0367541A2 Method of manufacturing an ink jet head
05/09/1990EP0367438A1 Method of forming adherent fluorosilane layer on a substrate and ink jet recording head containing such a layer
05/09/1990EP0367303A1 Thermal ink jet printhead
05/09/1990EP0367286A2 Heat transfer recording apparatus and facsimile apparatus
05/09/1990EP0367266A2 Digital image outputting apparatus
05/09/1990EP0367237A2 Thermal printer and facsimile system
05/09/1990EP0367226A2 Character pattern data storing apparatus and character pattern generating apparatus
05/09/1990EP0367122A1 Thermal head
05/09/1990EP0367059A2 Wire fire control mechanism for a wire matrix printer
05/09/1990EP0366981A2 Matrix printer actuator
05/09/1990EP0366745A1 Printing apparatus.
05/09/1990EP0210251B1 Method and apparatus for high resolution ink jet printing
05/08/1990US4924261 Image forming method
05/08/1990US4924241 Printhead for ink jet printing apparatus
05/08/1990US4923848 Image formation on objective bodies
05/08/1990US4923315 Printer with print head releasable after predetermined amount of successive printing or erasing
05/08/1990US4923275 Fiber optic array
05/03/1990WO1990004853A1 A print head
05/03/1990WO1990004519A1 Method for forming ink jet printer nozzle arrays
05/03/1990WO1990004518A1 High resolution printing method by means of satellite ink droplets implemented in continuous ink jet printer
05/03/1990DE3906264A1 Variably controlled printer with electromagnetic drive
05/02/1990EP0366498A2 Method of fabricating a biasing plate spring for a wire-dot print head
05/02/1990EP0366497A2 Wire-dot print head driving apparatus
05/02/1990EP0366427A2 Image processing
05/02/1990EP0366405A2 Viabond tabcircuit electrical connector
05/01/1990US4922272 High precision image recording apparatus
05/01/1990US4922271 Matrix printer means
05/01/1990US4922270 Inter pen offset determination and compensation in multi-pen thermal ink jet pen printing systems