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)
08/1980
08/20/1980EP0014248A1 Non impact printers
08/19/1980US4218150 Matrix printer
08/19/1980US4218149 Wire printer
08/19/1980US4218148 Matrix printing cell and head assembly
08/19/1980US4217820 Apparatus for printing on transparency slides
08/19/1980CA1084105A1 Method and apparatus for making hard copy records of curves including curves which are mathematically described as multi-valve functions from periodically sampled data points
08/19/1980CA1084104A1 Electrode head
08/19/1980CA1084101A1 Circuitry for perfecting ink drop printing at nonlinear carrier velocity
08/19/1980CA1084100A1 Method and apparatus for controlling the formation and shape of droplets in an ink jet stream
08/19/1980CA1084098A1 Meniscus dampening drop generator
08/12/1980US4217595 Charging phase control device for ink jet recording device
08/12/1980US4217594 Method and apparatus for determining the velocity of a liquid stream of droplets
08/12/1980US4217480 Thermal print bar
08/12/1980CA1083487A1 Matrix print head impact energy control
08/12/1980CA1083414A1 Matrix print head and solenoid driver
08/06/1980EP0013918A1 Switching circuit for the temperature-dependent voltage regulation of piezoelectric printing nozzles in mosaic ink jet printers
08/06/1980EP0013715A1 Method of printing magnetic images and magnetic recording apparatus
08/05/1980US4216483 Linear array ink jet assembly
08/05/1980US4216481 Method of driving a thermal head and apparatus therefor
08/05/1980US4216480 Multiple speed ink jet printer
08/05/1980US4216479 Resistively coated deflection ribbon for an ink jet printing device
08/05/1980US4216477 Nozzle head of an ink-jet printing apparatus with built-in fluid diodes
08/05/1980US4215912 High speed scanning device for scanning the same area plural times by a beam deflected by a single deflecting surface
08/05/1980CA1083214A1 Liquid jet recorder
07/1980
07/29/1980US4215354 Suppression of cross-coupling in multi-orifice pressure pulse drop-ejector systems
07/29/1980US4215350 Ink jet printing apparatus with two different jet spacings
07/29/1980US4214836 Impact print head
07/29/1980CA1082813A1 Information recording and recognition
07/23/1980EP0013504A1 Electrohydrodynamic exciter
07/23/1980EP0013296A2 Multiple speed ink jet printer
07/22/1980US4213714 Printer having variable character density
07/22/1980CA1082296A1 Ultrasonic transfer printing with multi-copy, color and low audible noise capability
07/22/1980CA1082289A1 Magnetic deflector for a magnetic ink jet printer
07/22/1980CA1082288A1 Jet drop printing head and assembly method therefor
07/22/1980CA1082287A1 Unitary ink jet and reservoir for x-y and strip chart process recorders and table top graphic instruments
07/22/1980CA1082286A1 Ink jet ink supply system
07/22/1980CA1082285A1 Method and apparatus for forming a liquid jet particularly suited for ink-jet printing
07/22/1980CA1082284A1 Separable liquid droplet instrument and magnetic drivers therefor
07/22/1980CA1082283A1 Separable liquid droplet instrument and piezoelectric drivers therefor
07/22/1980CA1082282A1 Method and apparatus for harmonic ink jet drop generation
07/15/1980US4213190 Programmed copier control
07/15/1980US4213158 Optical data recording system utilizing acoustic pulse imaging to minimize image blur
07/15/1980US4213157 Self tracking laser scanning apparatus
07/15/1980US4213030 Silicon-semiconductor-type thermal head
07/15/1980CA1081536A1 Matrix print head with improved armature retainer
07/15/1980CA1081535A1 Chinese character matrix printer
07/09/1980EP0013160A1 Method and apparatus for determining the applied voltage at which Paschen breakdown occurs in electrography
07/09/1980EP0013158A1 Electrographic stylus writing apparatus
07/09/1980EP0013095A1 A head for an ink jet printer
07/09/1980EP0012952A1 Laser beam scanning system
07/09/1980EP0012887A2 Ink jet printer for vertical and horizontal printing
07/09/1980EP0012861A1 Method for the selective detection of defects, caused by polishing, on the surface of silicon wafers
07/09/1980EP0012860A1 Suspension arrangement for a body vibrating at resonance frequency
07/09/1980EP0012858A1 Display and recording apparatus
07/09/1980EP0012821A2 Ink jet printer with means for monitoring its ink jet head-operation
07/09/1980EP0012811A1 Apparatus for producing hard copy of an image
07/08/1980US4212017 Deflection electrode assembly for multi-nozzle ink jet printers
07/08/1980US4211496 Printing solenoid
07/08/1980US4211495 Head for a mosaic printer
07/08/1980US4211494 Device for guiding the printer needles in a mosaic needle printer
07/08/1980US4211493 Impact printing apparatus
07/08/1980US4211012 Electric-signal controlled hand-held printer
07/01/1980US4210920 Magnetically activated plane wave stimulator
07/01/1980US4210919 Ink jet system printer including plural ink droplet issuance units for one column printing
07/01/1980US4210918 Ink jet printer
07/01/1980US4210916 Ink jet inks
07/01/1980US4210404 Printhead compensation arrangement for printer
07/01/1980CA1080782A1 Mosaic printer arrangements
07/01/1980CA1080781A1 Coincidence ink jet
06/1980
06/24/1980US4209794 Nozzle plate for an ink recording device
06/24/1980US4209260 Wire matrix print head having reversible wire drive armatures to allow wire wear compensation
06/24/1980CA1080383A1 Printing ink composition for jet printing on glazed ceramic surfaces
06/24/1980CA1080297A1 Thermal printing device
06/17/1980US4208138 Dot matrix printer head
06/17/1980US4208137 Position sensing for matrix printer
06/17/1980CA1079793A1 Single array ink jet printer
06/17/1980CA1079792A1 Multiple array printer
06/17/1980CA1079791A1 Memory management system for an ink jet copier
06/17/1980CA1079790A1 Ink jet copier
06/17/1980CA1079789A1 Liquid absorbing assembly
06/17/1980CA1079788A1 Ink jet printer apparatus and method of printing
06/17/1980CA1079787A1 Pre-aimed nozzle for ink jet recorder and method of manufacture
06/11/1980EP0011722A2 Process and device for the digital control of the making of colour reproductions
06/10/1980US4207582 Ink liquid issuance control in an ink jet system printer of the charge amplitude controlling type
06/10/1980US4207579 Reciprocating paper handling apparatus for use in an ink jet copier
06/10/1980US4207578 Catch trough for a jet drop recorder
06/10/1980US4207577 Opaque jet inks
06/10/1980US4206541 Method of manufacturing thin film thermal print heads
06/10/1980CA1079120A1 Non-linear spring design for matrix type printing
06/03/1980US4206467 Recording method
06/03/1980US4206266 Printer arm blank
06/03/1980CA1078910A1 Ink-jet printers
06/03/1980CA1078770A1 Lateral position control means for data printer heads
05/1980
05/28/1980EP0011480A2 Magnetic jet ink printing
05/28/1980EP0011251A2 Driving circuitry for the printing jets in mosaic colour printers
05/28/1980EP0011171A1 Liquid droplet forming apparatus
05/28/1980EP0011170A1 Liquid droplet forming apparatus
05/27/1980US4205387 Data storage and retrieval system
05/27/1980US4205348 Laser scanning utilizing facet tracking and acousto pulse imaging techniques
05/27/1980US4205320 Wet type direct image recording method
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