| Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049) |
|---|
| 01/22/1980 | US4184925 Solid metal orifice plate for a jet drop recorder |
| 01/22/1980 | US4184781 Defect detector |
| 01/22/1980 | CA1070369A1 High frequency alternating field charging of aerosols |
| 01/15/1980 | US4184169 Ink-drop print-head |
| 01/15/1980 | US4184168 Ink-on-demand type ink jet head driving circuit |
| 01/15/1980 | US4184167 Ink jet collection system |
| 01/15/1980 | US4184063 Thermal printer write head assembly |
| 01/15/1980 | CA1069970A1 Oblique multiple jet ink jet printer |
| 01/09/1980 | EP0006576A2 Method of manufacture of a thin film thermal print head, and thin film thermal print head |
| 01/09/1980 | EP0006365A1 Imprinting of time clock data |
| 01/09/1980 | EP0006166A1 Print mechanism for use in printing apparatus and printing apparatus including such mechanisms |
| 01/09/1980 | EP0006165A1 Method of fabricating an array of charge electrodes for a multiple nozzle ink jet printer |
| 01/08/1980 | US4183031 Ink supply system |
| 01/08/1980 | US4183029 Ink filter clogging sensor and indicator |
| 01/08/1980 | US4182042 Marking device |
| 01/01/1980 | US4181973 Complex character generator |
| 01/01/1980 | US4181444 Device for printing out indices and powers in typewriters |
| 01/01/1980 | CA1068981A Print head |
| 12/25/1979 | US4180824 Head for electrically printing an image |
| 12/25/1979 | US4180766 Reciprocating linear drive mechanism |
| 12/25/1979 | US4180334 Dot printer |
| 12/25/1979 | US4180333 Bearing for the printing head of a matrix printer, and printing head comprising such a bearing |
| 12/25/1979 | US4180225 Ink jet recording apparatus |
| 12/25/1979 | CA1068760A Meniscus dampening drop generator |
| 12/25/1979 | CA1068759A Method and apparatus for applying magnetic liquid droplets to a recording surface |
| 12/18/1979 | US4179183 Device for scanning a light beam at a constant speed |
| 12/18/1979 | CA1068328A1 Oblique multi-nozzle ink jet print head apparatus |
| 12/18/1979 | CA1068327A1 Charge electrode for ink jet |
| 12/18/1979 | CA1068326A1 Method and apparatus for recording information on a recording surface by the use of magnetic ink |
| 12/18/1979 | CA1068325A1 Hybrid fluid jet drop generation |
| 12/12/1979 | EP0006026A1 Charge plate and method of manufacture |
| 12/12/1979 | EP0005844A1 Read/write scanning equipment |
| 12/11/1979 | US4178615 Aperture plate for an exposure head for use in a picture scanning reproducer |
| 12/11/1979 | US4178601 Record drive means for rotary electrical stylus device |
| 12/11/1979 | US4178600 Record feed means for rotary electrical stylus device |
| 12/11/1979 | US4178599 Mounting structure for rotary electrical stylus device |
| 12/11/1979 | US4178597 Color ink jet printing apparatus |
| 12/11/1979 | US4178595 Ink jet printing apparatus with ink replenishing |
| 12/11/1979 | US4178583 Rotary printing method |
| 12/11/1979 | US4178471 Laser computer output microfilmer with electrical misalignment correction |
| 12/11/1979 | CA1067950A1 Multi-color recording medium responsive to force fields and apparatus for recording on the medium |
| 12/11/1979 | CA1067735A1 Conversion of stripe-geometry junction laser emission to a spherical wavefront |
| 12/04/1979 | US4177472 Rotary electrical printer and method automatic blackness control for rotary electrical printer |
| 12/04/1979 | US4177471 Carriage and raceway mechanism for an ink jet printer |
| 12/04/1979 | US4176976 Mosaic printing head |
| 12/04/1979 | US4176975 Metalloid filament wire matrix print head |
| 12/04/1979 | US4176907 Scanning device |
| 12/04/1979 | CA1067566A1 Electromagnet |
| 11/28/1979 | EP0005640A1 Print wire solenoid |
| 11/27/1979 | US4176406 Information recording and recognition |
| 11/27/1979 | US4176364 Grounding device for rotary electrical printer and method |
| 11/27/1979 | US4176363 Ink jet printing apparatus |
| 11/27/1979 | US4176362 High density magnetic image recording head |
| 11/27/1979 | US4176361 A water-soluble dye and solvent mixture of water and a polyhydric alcohol |
| 11/27/1979 | US4176272 MOS-bipolar printer driver circuit |
| 11/27/1979 | US4175876 Drive mechanism for printer |
| 11/27/1979 | US4175851 Recording position adjuster |
| 11/27/1979 | US4175841 Photo-typewriter |
| 11/27/1979 | CA1066949A1 Impact line printer having graphics plotting capability |
| 11/20/1979 | US4175266 Grooved deflection electrodes in an ink jet system printer |
| 11/13/1979 | US4174182 Needle printing head |
| 11/06/1979 | CA1065951A1 Donor transfer of magnetic toner |
| 10/30/1979 | US4172429 Arrangement for marking workpieces |
| 10/23/1979 | CA1065006A1 Styius assembly |
| 10/17/1979 | EP0004737A2 Electrostatic scanning ink jet method and apparatus |
| 10/16/1979 | US4171527 Ink jet contamination detecting system |
| 10/09/1979 | US4170779 Print head electrode for metal paper printers |
| 10/09/1979 | US4170728 Heat applying microfilm recording apparatus |
| 10/09/1979 | US4170404 Mounting structure for optical assemblies in nonmechanical printers |
| 10/09/1979 | CA1064091A1 Head assembly for a jet drop recorder |
| 10/09/1979 | CA1063774A1 Fe3o4 fabrication process |
| 10/04/1979 | WO1979000738A1 Matrix print head assembly |
| 10/02/1979 | US4170016 Priming apparatus for liquid ink writing instruments |
| 10/02/1979 | US4169684 Control device for a matrix printer |
| 10/02/1979 | US4169683 High speed wire printing device |
| 10/02/1979 | US4169682 Printer mechanism |
| 09/25/1979 | US4169032 Method of making a thin film thermal print head |
| 09/25/1979 | US4169008 Process for producing uniform nozzle orifices in silicon wafers |
| 09/25/1979 | CA1062957A1 Print head improvement |
| 09/25/1979 | CA1062955A1 Pressurized ink applicator for intaglio printing press |
| 09/18/1979 | US4168505 Stylus construction |
| 09/18/1979 | US4168421 Voltage compensating drive circuit for a thermal printer |
| 09/18/1979 | CA1062760A1 Ink jet printer apparatus and method of operation |
| 09/11/1979 | US4167742 Damping means for an ink jet printing device |
| 09/11/1979 | US4167741 Raster slant control in an ink jet printer |
| 09/11/1979 | US4167343 Print wire actuator mechanism |
| 09/11/1979 | US4167342 Control system for matrix print head |
| 09/11/1979 | CA1062167A1 Method and apparatus for multiple speed print rate control for dot matrix printer |
| 09/06/1979 | WO1979000627A1 Printing device |
| 09/04/1979 | US4167014 Circuitry for perfecting ink drop printing at varying carrier velocity |
| 09/04/1979 | US4167013 Circuitry for perfecting ink drop printing at nonlinear carrier velocity |
| 09/04/1979 | US4166314 Magnetically actuated needle printing head and method of manufacture |
| 09/04/1979 | CA1061748A1 Marking pen with three phases of increasing capillarity |
| 09/04/1979 | CA1061535A1 Fluorescent ink composition for jet printing |
| 08/28/1979 | US4166279 Electromigration resistance in gold thin film conductors |
| 08/28/1979 | US4166277 Electrostatic ink ejection printing head |
| 08/28/1979 | US4165940 Free flight head assembly for dot matrix printers and the like |
| 08/28/1979 | US4165686 Two-sided non-impact printing system |
| 08/28/1979 | US4165563 Automatic pilot apparatus for a printer |
| 08/21/1979 | US4165514 Electrostatic recording multi-stylus electrode device |