| Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049) |
|---|
| 06/16/1981 | US4273040 Segmented drum bar helix printer |
| 06/16/1981 | US4273039 Impact printing apparatus and method using reluctance switching and a closed loop drive system |
| 06/16/1981 | CA1103372A1 Font conversion apparatus for matrix printing |
| 06/16/1981 | CA1103300A1 Method for information processing |
| 06/10/1981 | EP0029985A1 Printed wiring board for recording or displaying information |
| 06/10/1981 | EP0029877A1 Magnetic printing head and method of manufacture |
| 06/09/1981 | US4272773 Ink supply and filter for ink jet printing systems |
| 06/09/1981 | US4272772 Priming apparatus for liquid ink writing instruments |
| 06/09/1981 | US4272771 Ink jet printer with multiple nozzle print head and interlacing or dither means |
| 06/09/1981 | US4272748 Print wire solenoid |
| 06/09/1981 | US4272200 Horn loaded piezoelectric matrix printer drive method and apparatus |
| 06/09/1981 | US4272151 Apparatus for optical scanning |
| 06/09/1981 | US4271589 Method of manufacturing charge plates |
| 06/03/1981 | EP0029696A1 Ink jet printer |
| 06/03/1981 | EP0029641A1 Printing apparatus |
| 06/02/1981 | US4271417 Electrographic imaging with non-sequential electrode actuation |
| 06/02/1981 | US4271416 Slit type ink recording apparatus |
| 06/02/1981 | US4271415 Laser COM device |
| 06/02/1981 | US4271414 Thermal array protection apparatus |
| 06/02/1981 | US4270589 Container of variable volume |
| 06/02/1981 | CA1102446A1 Facsimile cassette with wire electrode |
| 06/02/1981 | CA1102396A1 Electric recording process |
| 06/02/1981 | CA1102394A1 Magnetic latent image creation |
| 06/02/1981 | CA1102393A1 Apparatus for producing multiple uniform fluid filaments and drops |
| 06/02/1981 | CA1102392A1 Recorder pen with ink jet writing device |
| 06/02/1981 | CA1102391A1 Micro computerized miniature postage meter |
| 06/02/1981 | CA1102137A1 Multiple nozzle arrays and method of manufacture |
| 05/27/1981 | EP0029313A2 Thermal printing device |
| 05/27/1981 | EP0029109A2 Method of making multi-page documents in a copier-printer system |
| 05/26/1981 | US4270133 Ink supply device for an ink jet printer |
| 05/26/1981 | US4269891 Recording sheet for ink jet recording |
| 05/26/1981 | US4269874 Spraying ink or paint through a stencil rotatable to remove excess liquid by centrifugal force; codes; mechanical printing; cars; packaging |
| 05/26/1981 | US4269117 Electro-magnetic print hammer |
| 05/26/1981 | CA1101919A1 Apparatus for exciting an array of ink jet nozzles and method of forming |
| 05/26/1981 | CA1101765A1 Process for etching holes |
| 05/20/1981 | EP0028957A1 Shade intensity reproducing device using a thermal print head, and thermal-printing system comprising such a device |
| 05/20/1981 | EP0028738A2 Apparatus for measuring the velocity of a fluid and maintaining it constant |
| 05/20/1981 | EP0028721A2 Ink jet printer for printing from right to left or from left to right |
| 05/19/1981 | US4268870 Recording apparatus for reading information from an original |
| 05/19/1981 | US4268868 Beam scanning type electronic copying apparatus |
| 05/19/1981 | US4268867 Pixel clock for scanner |
| 05/19/1981 | US4268838 Thermal recording system |
| 05/19/1981 | US4268837 Ink jet recording instrument |
| 05/19/1981 | US4268836 Ink jet printer having improved catcher |
| 05/19/1981 | US4268368 Electrophoretical method for selectively reinking resistive ribbon thermal transfer printing ribbons |
| 05/19/1981 | US4268180 Dot printer wire |
| 05/19/1981 | US4268179 Method and system for reproducing identification characters |
| 05/19/1981 | US4268178 Anti-bounce projectile collecting surface for microballistic printer |
| 05/19/1981 | CA1101560A1 Control circuit for a printing head of a metal paper printer |
| 05/19/1981 | CA1101266A1 Arrangement for marking workpieces |
| 05/14/1981 | WO1981001329A1 Magnetic printing head having a hight signal-to-noise ratio |
| 05/13/1981 | EP0028334A2 Method and apparatus for thermally marking a record medium |
| 05/13/1981 | EP0028321A1 Ink jet printers and methods of operating such printers |
| 05/13/1981 | EP0028320A2 Wire printer head and method of realizing guiding means for the wires of same |
| 05/12/1981 | US4266863 Device for forming graphics |
| 05/12/1981 | CA1101045A1 Fault detection and compensation circuit for ink jet printer |
| 05/06/1981 | EP0028159A1 Orifice plate assembly for an ink jet printing device and method of manufacturing such an assembly |
| 05/06/1981 | EP0028004A1 Magneto-fluidic recording apparatus |
| 05/06/1981 | EP0027967A1 Method for creating a half-tone image |
| 05/06/1981 | EP0027894A2 Flap-armature electromagnet |
| 05/06/1981 | EP0027886A1 Method and system for reproducing identification characters |
| 05/06/1981 | EP0027862A2 Helical-bar type printer for the dynamic build-up of printed characters |
| 05/05/1981 | US4266232 Voltage modulated drop-on-demand ink jet method and apparatus |
| 05/05/1981 | US4266231 Ink jet with retractable electrode and secondary ink catcher |
| 05/05/1981 | US4265549 Flat flexible printed circuit cable for a print head |
| 05/05/1981 | CA1100565A1 Interlacing recorder |
| 04/30/1981 | WO1981001120A1 High speed printer |
| 04/29/1981 | EP0027734A1 Dot matrix printing device |
| 04/29/1981 | EP0027698A2 Method of producing paper or coated paper carrying an unobtrusive image |
| 04/29/1981 | EP0027590A1 Arrangement for a dot matrix printer to print proportionally spaced characters |
| 04/29/1981 | EP0027566A2 Font selection and compression device for a printer subsystem |
| 04/29/1981 | EP0027564A2 Partial line turnaround device for printers |
| 04/29/1981 | EP0027563A2 Signal generator for a wire matrix printer |
| 04/29/1981 | EP0027562A2 Print head image generator for printer subsystem |
| 04/29/1981 | EP0027560A2 Print wire assembly for a printer |
| 04/28/1981 | US4264913 Electric discharge recording method and material with non-recording layer |
| 04/28/1981 | US4264910 Electrostatically controlled and segmented liquid ribbon |
| 04/28/1981 | US4264396 Labelling machines |
| 04/28/1981 | US4264219 Device for driving dot printing bars in a dot printer |
| 04/28/1981 | US4264120 Beam scanning device |
| 04/28/1981 | US4263847 Printing mechanism for dot matrix impact printers |
| 04/28/1981 | CA1100150A1 Ink jet nozzle structures |
| 04/21/1981 | US4263602 Constant flow rate liquid supply pump |
| 04/21/1981 | US4263601 Image forming process |
| 04/21/1981 | CA1099776A1 Ink jet printer with deflected nozzles |
| 04/15/1981 | EP0026836A1 Ink jet printer |
| 04/14/1981 | US4262294 Electrostatic printing apparatus comprising improved electrode drive means |
| 04/14/1981 | US4262188 Method and apparatus for improving print quality of a thermal printer |
| 04/14/1981 | CA1099327A1 Electrostatic write head and method of manufacturing this head |
| 04/08/1981 | EP0026688A1 Vibratory device with piezoelectric element for a liquid gun used in a fragmented-liquid ejection head |
| 04/08/1981 | EP0026623A1 Wire matrix print head assembly |
| 04/08/1981 | EP0026549A2 Wire print head |
| 04/08/1981 | EP0026452A2 Device for the production of charge patterns on a photoconductive image carrier |
| 04/07/1981 | US4260998 Recording device |
| 04/07/1981 | US4260996 Aspirated ink jet printer head |
| 04/07/1981 | US4260270 Mosaic printing head |
| 04/07/1981 | US4260269 Split stackable printing blades for matrix printer head |
| 04/07/1981 | US4260268 Device for driving dot printing bars in a dot printer |
| 04/07/1981 | CA1099027A1 Control device for a matrix printer |
| 04/07/1981 | CA1099026A1 Stylus printer |