| Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049) |
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| 10/24/1978 | CA1040908A1 Optical fiber deflection device |
| 10/17/1978 | US4121251 Method of detecting a synchronizing light beam |
| 10/17/1978 | US4121227 Ink jet array with isolated fluid rectifier layers |
| 10/17/1978 | US4121224 Recording mechanism using ball-point-pen |
| 10/17/1978 | US4121223 Ink jet recording apparatus with an improved ink sensor |
| 10/17/1978 | US4121222 Drop counter ink replenishing system |
| 10/17/1978 | US4121197 Matrix circuit for an electrostatic recording device comprising cross-point elements for driving each pair of control electrodes on a common matrix conductor |
| 10/17/1978 | US4120720 Combined means for accurately positioning electrostatographic recording members during imaging and means for establishing electrical connection with the intermediate conductive layer thereof |
| 10/17/1978 | CA1040541A1 Method of, and apparatus for, printing grey-tone images |
| 10/10/1978 | US4119975 Facsimile cassette with wire electrode |
| 10/10/1978 | US4119973 Fault detection and compensation circuit for ink jet printer |
| 10/10/1978 | US4119385 Ribbon changing mechanism for a typewriter |
| 10/10/1978 | US4119383 Method and apparatus for inserting intermediate dots in a dot matrix using a dot printer |
| 10/10/1978 | US4119034 Leakproof ink supply reservoir |
| 10/10/1978 | CA1040254A1 Dot matrix printer with slanted print head and modular skewing of dot pattern information |
| 10/03/1978 | US4118128 Optical typewriter |
| 10/03/1978 | US4117778 High speed printer with arc preventing fluorocarbon gas |
| 10/03/1978 | CA1039791A1 Nozzle for an ink jet printer |
| 10/03/1978 | CA1039790A1 Method and apparatus for merging satellites in an ink jet printing system |
| 10/03/1978 | CA1039661A1 Acceleration control system for high speed printer |
| 10/03/1978 | CA1039645A1 Anti-fungal and/or anti-bacterial hardware for ink printing apparatus |
| 09/26/1978 | US4117497 Printing and displaying technology using selective laser beam pricking of liquid film for writing information |
| 09/26/1978 | US4117435 Flap-armature electromagnet |
| 09/26/1978 | US4116567 Printer synchronization control for shuttle having non-uniform velocity |
| 09/26/1978 | CA1039201A1 Drive circuit for thermal printing array |
| 09/19/1978 | US4115816 Electronic screening |
| 09/19/1978 | US4115789 Separable liquid droplet instrument and piezoelectric drivers therefor |
| 09/19/1978 | US4115788 Compound matrix formation in an ink jet system printer |
| 09/19/1978 | US4115787 Interpolation in an ink jet system printer |
| 09/19/1978 | US4115763 Electrical switching system |
| 09/12/1978 | US4113521 Process for producing magnetic particles by vacuum evaporation of iron with collection on a magnetized surface |
| 09/12/1978 | US4113391 Method for controlling voltage and providing temperature compensation in a thermal printer |
| 09/12/1978 | CA1038147A1 Wire matrix print head nozzle |
| 09/05/1978 | US4112469 Jet drop copying apparatus |
| 09/05/1978 | US4112436 Glass nozzle array for an ink jet printer and method of forming same |
| 09/05/1978 | US4112435 Protective and cleaning device for writing heads in ink recorder devices |
| 09/05/1978 | US4112433 Meniscus dampening drop generator |
| 09/05/1978 | US4110884 Method for making dust cover for printing needles |
| 08/29/1978 | US4110759 Orifice plate holder for a fluid jet printing apparatus |
| 08/29/1978 | US4110598 Thermal printhead assembly |
| 08/29/1978 | US4109776 Apparatus for marking an information carrying medium |
| 08/29/1978 | CA1037556A1 Driving circuit for printing electromagnet |
| 08/29/1978 | CA1037541A1 Jet nozzle structure for electrohydrodynamic droplet formation and ink jet printing system therewith |
| 08/29/1978 | CA1037540A1 Ink jet printer apparatus and method of printing |
| 08/29/1978 | CA1037539A1 Ink recirculating system for ink jet printing apparatus |
| 08/29/1978 | CA1037519A1 Method of producing nozzles in monocrystalline silicon wafer |
| 08/22/1978 | US4109282 Apparatus and method for printing information onto a surface |
| 08/22/1978 | US4108297 Guide for a printing head of a printing device |
| 08/22/1978 | CA1037099A1 Printing apparatus |
| 08/15/1978 | US4107742 Method and apparatus for recording graphic information magnetically |
| 08/15/1978 | US4107699 Trenched stimulating plate |
| 08/15/1978 | US4107698 Ink jet printer apparatus and method of operation |
| 08/15/1978 | US4107687 Recording device |
| 08/15/1978 | US4106976 Controlled preferential etching of monocrystalline substrate followed by etching of membrane layer |
| 08/15/1978 | US4106975 In single crystals with mixture of sulfuric and phosphoric acids |
| 08/08/1978 | US4106061 Density control for ink jet copier |
| 08/08/1978 | US4106032 Apparatus for applying liquid droplets to a surface by using a high speed laminar air flow to accelerate the same |
| 08/08/1978 | US4106031 Automatic drafting device |
| 08/08/1978 | US4106030 Ink jet printer ink heater |
| 08/08/1978 | US4106027 Nonaqueous |
| 08/08/1978 | US4105892 Thin resistor film type thermal head for printing on heat-sensitive paper |
| 08/01/1978 | US4104646 Ink ejection |
| 08/01/1978 | US4104645 Coincidence ink jet |
| 08/01/1978 | US4103612 Ink mist type high speed printer |
| 07/25/1978 | US4103306 Non-impact printer with magnetic ink reorientation |
| 07/25/1978 | US4103156 Light scanning device |
| 07/25/1978 | US4103066 Polycarbonate ribbon for non-impact printing |
| 07/18/1978 | US4101908 Adjustable mount for electrostatic printer stylus within cylindrical printing roller |
| 07/18/1978 | US4101906 Charge electrode assembly for ink jet printer |
| 07/18/1978 | US4101017 Matrix print head |
| 07/11/1978 | US4100552 Recording apparatus for a voltage sensitive recording system |
| 07/11/1978 | US4100551 Rotary electrical printer and method |
| 07/11/1978 | US4100550 Liquid jet recorder |
| 07/04/1978 | US4099208 Facsimile scanning system |
| 07/04/1978 | US4099046 Thermal printing device |
| 07/04/1978 | US4098388 Galvanic nickel deposit |
| 06/27/1978 | US4097874 Blocking assembly for an automatic drafting device |
| 06/27/1978 | US4097873 Ink jet printer for selectively printing different resolutions |
| 06/27/1978 | US4097872 Axial droplet aspirator |
| 06/27/1978 | US4096626 Method of making multi-layer photosensitive glass ceramic charge plate |
| 06/20/1978 | US4096578 Data system with microprocessor featuring multiplexed data transfer and repeat cycle driving arrangement |
| 06/20/1978 | US4096510 Thermal printing head |
| 06/20/1978 | US4096489 Electrostatic-recording gas discharge device with improved scanning stability |
| 06/20/1978 | US4096488 Modular stylus assembly |
| 06/20/1978 | US4096486 Recorder |
| 06/13/1978 | US4095238 Piezoelectric drive element for the printer heads used in ink-operated mosaic printer units |
| 06/13/1978 | US4095237 Ink jet printing head |
| 06/13/1978 | US4095234 Recording apparatus for providing lustrous printing |
| 06/13/1978 | US4095232 Apparatus for producing multiple uniform fluid filaments and drops |
| 06/06/1978 | US4093964 Image reproducing systems |
| 06/06/1978 | US4092921 High speed printer module |
| 05/30/1978 | US4092650 Grouped stylus electrostatic recording head |
| 05/30/1978 | US4092245 Liquid purification method |
| 05/30/1978 | US4092166 Heat treatment |
| 05/30/1978 | US4091909 Wire matrix printer printhead assembly |
| 05/23/1978 | US4091391 Drive system for thermal recording apparatus |
| 05/23/1978 | US4091390 Arrangement for multi-orifice ink jet print head |
| 05/16/1978 | US4090205 Apparatus and method for jet drop printing |
| 05/16/1978 | US4090188 Dot matrix converter |
| 05/16/1978 | US4090060 Thermal printhead control circuit |