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)
07/1989
07/25/1989US4851862 Led array printhead with tab bonded wiring
07/25/1989US4851861 Thermal transfer recording device
07/25/1989US4851860 Tone reproducible ink jet printer
07/25/1989US4851656 Method and apparatus for enhancing optical photoplotter accuracy
07/25/1989US4851371 Fabricating process for large array semiconductive devices
07/25/1989US4850724 Control circuit for dot matrix printing head
07/25/1989EP0243348A4 Multi-electrode ion generating system for electrostatic images.
07/19/1989EP0324364A2 A laser optical apparatus
07/19/1989EP0324223A2 Method and apparatus for improving print characteristics
07/19/1989EP0324011A1 Thermal printing method and system
07/19/1989EP0323991A1 Method and apparatus for ink jet recording
07/19/1989EP0323989A1 Electronic method and device for adjustment of jet direction in an ink jet apparatus
07/18/1989US4849909 Ink-jet recording device
07/18/1989US4849883 Professional office system printer support for personal computers
07/18/1989US4849776 Electrostatic printer for digitized images or data
07/18/1989US4849775 Color thermal printer printing system
07/18/1989US4849774 Bubble jet recording apparatus which projects droplets of liquid through generation of bubbles in a liquid flow path by using heating means responsive to recording signals
07/18/1989US4849773 Plastic tanks with aqueous ink containing sodium compound
07/18/1989US4849769 System for ultrasonic cleaning of ink jet orifices
07/18/1989US4849605 Heating resistor and method for making same
07/18/1989US4848943 Method and apparatus for energizing a printhead
07/18/1989US4848941 Thermal printer
07/18/1989US4848885 Preobjective scanning system
07/18/1989US4848725 Valve construction
07/18/1989US4848602 Container with baffled outlet
07/18/1989CA1257507A1 Print head for wire matrix printer
07/18/1989CA1257506A1 Ink jet printing apparatus and method providing an induced clean-air region
07/18/1989CA1257505A1 Ink cartridge and cooperative continuous ink jet printing apparatus
07/18/1989CA1257504A1 Ink level detection system for ink jet printing apparatus
07/18/1989CA1257503A1 Ink jet printing apparatus having ultrasonic print head cleaning system
07/18/1989CA1257502A1 Ink jet printing apparatus having an improved start- up system
07/13/1989WO1989006450A1 Apparatus and method for controlling a laser diode to generate a linear illuminative output
07/13/1989DE3843645A1 Optical printer with a half-tone printing system
07/13/1989DE3843104A1 Verfahren zur steuerung eines druckwerks einer elektronischen registrierkasse A method for controlling a pressure plant an electronic cash register
07/12/1989EP0323553A2 Method of increasing sensitivity of photosensitive member for inputting digital light
07/12/1989EP0323474A1 Liquid stream deflection printing method and apparatus.
07/11/1989US4847690 Interleaved video system, method and apparatus
07/11/1989US4847644 Image formation device
07/11/1989US4847643 Laser printing system
07/11/1989US4847642 Electrophotographic apparatus
07/11/1989US4847641 Piece-wise print image enhancement for dot matrix printers
07/11/1989US4847639 Electro-thermal transducer and resistance layer of halogen atoms in matrix of carbon
07/11/1989US4847638 Recorder
07/11/1989US4847637 Ink jet recording apparatus having a cap for maintaining a clean discharge port
07/11/1989US4847636 Thermal drop-on-demand ink jet print head
07/11/1989US4847631 Charge and deflection control type ink jet printer
07/11/1989US4847630 Integrated thermal ink jet printhead and method of manufacture
07/11/1989EP0241459A4 Electrostatic imaging by modulation of ion flow.
07/11/1989CA1257136A1 Ink jet printing apparatus and method with condensate-washing for print head
07/06/1989DE3821707A1 Method for printing images with staged ink density by means of high-speed ink jet printers
07/05/1989EP0323418A2 A printer with wires or needles and a method for its assembly
07/05/1989EP0323265A2 Method of processing color image and apparatus therefor
07/05/1989EP0323262A2 Ink tank and ink jet recording apparatus having the ink tank
07/05/1989EP0323261A2 Ink jet recording apparatus
07/05/1989EP0323240A2 Character processor provided with dot pattern correcting function
07/05/1989EP0322991A1 Wire dot print head
07/05/1989EP0322792A2 Control apparatus for electronic image printer
07/04/1989US4845549 Apparatus for selectively producing a positive multi-color print and negative color separation films or positive and negative color separation films using a multi-color thermal transfer ink ribbon
07/04/1989US4845520 System for driving a thermal print head for constant dot density
07/04/1989US4845517 Droplet deposition apparatus
07/04/1989US4845514 Thermal transfer type line printer capable of setting printing density by command supplied from an external device
07/04/1989US4845513 Thermal recording head
07/04/1989US4845512 Drop deflection device and method for drop marking systems
07/04/1989US4845483 Malfunction communicating device for optical unit of laser printer
07/04/1989US4845358 Synchronizing device for laser printer
07/04/1989US4845339 Heat conductor of silicon nitride, boron nitride or aluminum nitride
07/04/1989US4844770 Thermal-transfer recording apparatus
07/04/1989US4844635 Wire fire control mechanism for a wire matrix printer
07/04/1989US4844634 Printing head for an impact printer
07/04/1989US4843958 Method and apparatus for applying advertisements to eggs
07/04/1989CA1256932A1 Fiber optic cathode ray tube camera
07/04/1989CA1256742A1 Ink jet printer
06/1989
06/29/1989WO1989005728A1 Components for the feed circuit of an ink jet printing head
06/28/1989EP0322232A2 Modulation electrodes
06/28/1989EP0322228A2 Large array thermal ink jet printhead
06/28/1989EP0322131A1 Off board ink supply system and process for operating an ink jet printer
06/28/1989EP0321930A2 Optical scanning device
06/28/1989EP0321677A1 Components for a supply circuit for an ink jet printer
06/27/1989US4843593 Word processor with decorative character printer
06/27/1989US4843429 Method and apparatus for printing near page boundaries
06/27/1989US4843409 Thermal transfer printer
06/27/1989US4843408 Thermal recording device
06/27/1989US4843407 Fluid distribution bar for fluid-jet printing
06/27/1989US4843405 Method of controlling reproduction of image in bit-map controlled laser printer
06/27/1989US4843338 Ink-set printhead-to-paper referencing system
06/27/1989US4842493 Piezoelectric pump
06/27/1989US4842427 Plotting mechanism mounted on a ribbon cassette for typewriters or office machines
06/27/1989US4842396 Light modulation element and light modulation apparatus
06/27/1989US4842379 Image recording apparatus utilizing an ECB mode liquid crystal
06/27/1989CA1256315A1 Thermal print head
06/21/1989EP0321315A2 Half tone printing or display apparatus
06/21/1989EP0321143A2 Method and apparatus for direct color printing
06/21/1989EP0321075A2 Integrated thermal ink jet printhead and method of manufacturing
06/21/1989EP0320996A2 Mechanical amplification mechanism for piezoelectric elements
06/21/1989EP0320985A2 Vertical print engine for electrophotographic apparatus
06/21/1989EP0320915A1 An image forming apparatus
06/20/1989US4841453 Multidirectional scan and print capability
06/20/1989US4841334 Electrographic printer with small diameter drum and charged transfer belt
06/20/1989US4841316 Photohead system for positioning an aperture wheel and method of making an aperture disc
06/20/1989US4841314 Electrostatic latent image forming apparatus using semiconductor laser
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