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)
06/1990
06/27/1990EP0375434A2 Digital printers
06/27/1990EP0375433A2 Acoustic ink printers having reduced focusing sensitivity
06/27/1990EP0375431A2 Bandwidth reduced multi-pass writing of variable gray level digital images
06/27/1990EP0375430A2 Flying spot scanners
06/27/1990EP0375429A2 Digital printers
06/27/1990EP0375407A2 Recovery mechanism of an ink jet recording apparatus
06/27/1990EP0375383A1 Method and apparatus for extending the environmental operating range of an ink jet print cartridge
06/27/1990EP0375219A2 Method and apparatus for forming outline character
06/27/1990EP0375147A2 Method of operating pulsed droplet deposition apparatus
06/27/1990EP0374884A2 A liquid jet recording appratus
06/27/1990EP0374673A2 Wire-dot impact printer
06/27/1990EP0202268B1 Droplet stream alignment for jet printers
06/27/1990CN1043389A Liquid jet recording base sheet and recording head using same base sheet and recorder using same recording head
06/27/1990CN1008564B Word processing and composite character processing method
06/26/1990US4937678 Color image enlarging ink jet printer
06/26/1990US4937598 Ink supply system for an ink jet head
06/26/1990US4937597 Ink jet printing head
06/26/1990US4937596 Wherein silicone fluid is stored in the silanization layer in the casting compound; hydrolysis stable, durability
06/26/1990US4937595 Ink jet recording apparatus with cap locking mechanism
06/26/1990US4937591 Apparatus for correcting quantity of light from optical printer
06/26/1990US4937590 Thermal printing head and controller using past present and future print data to generate micropulse patterns
06/26/1990US4937589 Continuous ink jet print heads
06/26/1990US4936952 Method for manufacturing a liquid jet recording head
06/26/1990US4936808 Method of making an LED array head
06/26/1990US4936210 Arrangement of printing pins in a serial type dot printer
06/26/1990CA1270961A1 Color plotter controller
06/26/1990CA1270895A1 Conductive coated semiconductor electrostatic deflection plates
06/26/1990CA1270695A1 Thermal transfer type printer
06/20/1990EP0373957A1 Ink jet marking head having multicolor capability
06/20/1990EP0373922A1 Heater assembly for printers
06/20/1990EP0373894A2 Method and apparatus for gray scale printing with a thermal ink jet pen
06/20/1990EP0373889A2 Multiple source charged particle generation
06/20/1990EP0373888A2 Print cartridge with non-divergent electrostatic field
06/20/1990EP0373870A2 Dot wire driving apparatus
06/20/1990EP0373622A2 Thermal printer
06/20/1990EP0373573A1 Recording material for ink jet printing
06/20/1990EP0373449A2 Method of and apparatus for forming halftone dots
06/20/1990EP0373427A2 Impact printer actuator using magnet and electromagnetic coil and method of manufacture
06/20/1990EP0373302A1 Ink jet pen
06/19/1990US4935891 Pseudo-random phase shifted arithmetic bit clock generators for digital printers
06/19/1990US4935820 Imaging slow photographic media with liquid crystal shutters
06/19/1990US4935755 Printing head
06/19/1990US4935753 Apparatus for the cleaning and sealing of the nozzle surface of an ink head
06/19/1990US4935752 Thermal ink jet device with improved heating elements
06/19/1990US4935751 Level sensor for ink bag
06/19/1990US4935750 Sealing means for thermal ink jet printheads
06/19/1990US4935615 Light intensity control for light beam recorder
06/19/1990US4935403 Recording head and its application
06/19/1990US4935307 Comprising a blend of water absorbing hydrophilic polymer, hydrophobic polymer and polyoxyethylene glycol; transparencies for overhead projectors
06/19/1990US4935299 Transfer medium
06/19/1990US4934848 Printer head with adjustable magnetic reluctance
06/19/1990US4934847 Thermal transfer printer with ribbon tensioning mechanism
06/19/1990US4934780 Constant deviation scanning apparatus
06/19/1990CA2004891A1 Method of operating pulsed droplet deposition apparatus
06/14/1990CA2005328A1 Recording materials for ink-jet printing
06/13/1990EP0372943A2 Enhanced resolution electrophotographic-type imaging station
06/13/1990EP0372896A2 Recording head including electrode supporting substrate having thin-walled contact end portion
06/13/1990EP0372895A2 Liquid jet recording apparatus
06/13/1990EP0372826A2 Method and system for enhancing the quality of both color and black and white images produced by ink jet printers
06/13/1990EP0372810A2 Inkjet printers
06/13/1990EP0372668A2 Method and matrix print head for printing on large on edge-fed forms
06/13/1990EP0372557A2 Wire-dot printer having printing wire driving device and manufacturing method thereof
06/13/1990EP0372521A2 On-demand type ink jet print head
06/13/1990EP0372229A2 Ink jet printing apparatus with adjustable print head
06/13/1990EP0372162A2 DOT matrix printer having an impact DOT printing head
06/13/1990EP0372097A1 Arrangement for producing varying size ink droplets in an ink jet printer
06/13/1990DE3929495A1 Thermal print head - has element formed by wire coil loops on ceramic carrier block
06/12/1990US4933875 Bi-directional printer for efficient of stored data and real-time input data
06/12/1990US4933874 Printer
06/12/1990US4933866 Method and apparatus for generating aesthetically alterable character designs
06/12/1990US4933778 Calibration of platen registration edges in copiers
06/12/1990US4933689 Method and apparatus for print image enhancement
06/12/1990US4933688 Laser printer having uniform circumferential laser placement
06/12/1990US4933686 Method of and apparatus for transferring an image in a thermal transfer printer
06/12/1990US4933684 Apparatus and method for preventing condensation in an ink jet recording device having heaters for heating a recording head and a recording medium and a humidity detector for detecting humidity in a recording area to prevent condensation from forming
06/12/1990US4933601 Light emitting diode array chip and method of fabricating same
06/12/1990US4933549 Light beam scanning apparatus
06/12/1990US4932732 Optical scanning apparatus
06/12/1990CA1270146A1 Ink catcher and drop charge sensing device
06/07/1990DE3938173A1 Ink printer with print head in cover plate - has ink outlet aperture for transfer to head in region of reservoir holder which accepts the head
06/06/1990EP0371763A2 Method for operating a valve
06/06/1990EP0371718A2 Shifting mechanism for thermal head of printer
06/06/1990EP0371657A2 Thermal imaging device
06/06/1990EP0371627A2 Ink-jet printing
06/06/1990EP0371544A1 Method of and apparatus for processing and reproducing image information
06/06/1990EP0371457A2 Recording head and recording apparatus provided with the same
06/06/1990EP0371183A1 Wire matrix print head of the clapper type
06/06/1990EP0371182A1 Wire matrix printhead of the clapper type
06/06/1990CN1008307B Measuring control device for ink jet and fluid supply circuit
06/05/1990US4931955 Ink jet printing apparatus with preprinting jet purging mechanism
06/05/1990US4931814 Ink supply device for ink jet printer
06/05/1990US4931813 Ink jet head incorporating a thick unpassivated TaAl resistor
06/05/1990US4931812 Flow control system for ink cartridges
06/05/1990US4931811 Thermal ink jet pen having a feedtube with improved sizing and operational with a minimum of depriming
06/05/1990US4931810 Ink-jet recording system
06/05/1990US4931637 Scanner utilizing a particular light guide
06/05/1990US4930915 Printer having means for identifying print head type
06/05/1990US4930911 Flat-bed heated finger daisy wheel hot debossing stamper
06/05/1990US4930850 Scanning optical system for use in laser beam printer
06/05/1990US4930417 Printer for simultaneously forming planographic printing surfaces and printing ink images
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