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)
11/1981
11/17/1981US4301460 Ink ejection apparatus
11/17/1981US4301459 Ink ejection apparatus comprising entrained air removal means
11/17/1981US4300845 Dot matrix print head
11/17/1981US4300844 Moving head printer mechanism
11/17/1981CA1112512A1 Mosaic printing head
11/12/1981WO1981003149A1 Control of droplets in jet printing
11/11/1981EP0039584A1 Serial impact printer
11/11/1981EP0039516A2 Recording medium for recording apparatus
11/11/1981EP0039403A2 Xerographic copier including controllable erase system
11/11/1981EP0031835A4 Stacked drop generators for pulsed ink jet printing.
11/10/1981US4300146 Electrostatic write head
11/10/1981US4300145 Closing device for an ink printing head
11/10/1981US4300144 Multiple-nozzle ink-jet recording apparatus
11/10/1981US4300142 Thermal printer
11/10/1981US4299031 Plotting device
11/10/1981CA1112361A1 Optically recordable and readable information carrier and process
11/10/1981CA1112291A1 Data storage and retrieval system
11/10/1981CA1112101A1 Mosaic printer heads
11/03/1981US4298786 Thin film thermal print head
10/1981
10/28/1981EP0038630A1 Ink jet printing apparatus
10/28/1981EP0038497A2 Method of imaging an electrophotographic member and apparatus for carrying out the method
10/27/1981US4297715 Electrostatic recording apparatus
10/27/1981US4297714 Thermal pen
10/27/1981US4297713 Laser recording apparatus
10/27/1981US4297712 Air flow tunnel for reducing ink jet drag on array head
10/27/1981CA1111308A1 Ink jet printer
10/21/1981EP0038283A1 Matrix printing machine with adjustable printing head allowing adjustment of the printing rift
10/21/1981EP0037901A1 Covering device for the jet surface of an ink-writing head
10/20/1981US4296421 Ink jet recording device using thermal propulsion and mechanical pressure changes
10/20/1981US4296418 Ink jet printing apparatus with reverse solvent flushing means
10/20/1981US4296417 Ink jet method and apparatus using a thin film piezoelectric excitor for drop generation with spherical and cylindrical fluid chambers
10/20/1981US4295746 Arrangement for feeding electrodes in metal paper printers
10/14/1981EP0037664A1 Two-dimensional thermal head
10/14/1981EP0037624A1 A head for an ink jet printer
10/14/1981EP0037464A2 Process for selectively reinking used thermal transfer printing ribbon and method for making a colloidal dispersion for use in said process
10/13/1981US4295178 Electrode arrangement with individually connectable and disconnectable electrodes
10/13/1981US4295145 Acousto-optically modulated laser scanning arrangement for correcting for interference appearing therein
10/13/1981US4294551 Series-parallel print mechanism for printer
10/13/1981CA1110494A1 Printhead compensation arrangement for printer
10/07/1981EP0037216A1 Bar code printer
10/07/1981EP0037195A1 Ink jet printing apparatus and method
10/07/1981EP0036970A2 Dot matrix printing apparatus
10/07/1981EP0036965A1 Thermal recording apparatus
10/07/1981EP0036936A1 Electro-thermal printing ribbons
10/07/1981EP0036930A1 Ink jet printers and method of controlling an ink jet printer
10/06/1981US4293867 Device for removing air bubbles formed and trapped in ink chamber of print head of ink-jet printer
10/06/1981US4293866 Recording apparatus
10/06/1981US4293865 Ink-jet recording apparatus
10/06/1981US4293863 Ink jet printer with laterally movable print head
10/06/1981US4293232 Bearing for the printing head of a matrix printer, and printing head comprising such a bearing
10/06/1981US4293202 Light beam recording device
10/06/1981US4293195 Simultaneous multi-beam optical modulation system
10/01/1981WO1981002706A1 Color printer and multi-ribbon cartridge therefor
09/1981
09/30/1981EP0036789A1 Liquid jet printing apparatus
09/30/1981EP0036788A1 Liquid jet printing apparatus
09/30/1981EP0036787A1 Liquid jet printing apparatus
09/30/1981EP0036740A2 Non-impact dot matrix printer
09/30/1981EP0036739A2 Serial dot printer for office machines
09/30/1981EP0036540A2 Mosaic printing head
09/29/1981US4292640 Closed loop compensation of ink jet aerodynamics
09/29/1981US4291994 Tear resistant ribbon for non-impact printing
09/29/1981US4291992 Printer pin control circuitry
09/29/1981US4291957 Graphic forming device with toggle clamped lamp arm
09/29/1981US4291956 Graphic forming device with preview feature
09/29/1981CA1109927A1 Manufacture of thin film thermal print head
09/29/1981CA1109921A1 Ink supply system for an ink jet printer
09/29/1981CA1109920A1 Method and apparatus for nozzleless magnetofluidic recording
09/23/1981EP0036341A1 Optical system for the realization of special effects on films
09/23/1981EP0036297A2 Ink jet printing apparatus and process
09/23/1981EP0036296A2 Method of and apparatus for applying substances to a surface
09/23/1981EP0036295A2 Hand-held printing apparatus
09/23/1981EP0036112A1 Hammer impact printer
09/22/1981US4291341 Composite recording apparatus for recording information from different information sources
09/22/1981US4291316 System for driving ink drop generator of ink-jet printer
09/22/1981US4291314 Transverse magnetic printing head
09/22/1981US4291103 Printing plates
09/22/1981US4290857 Depositing metal around wire, slicing into discs, removing core wire
09/22/1981US4290672 Plural line acousto-optically modulated laser scanning system
09/22/1981US4290356 Actuator mechanism for a print hammer or the like
09/22/1981CA1109372A1 Pyrocatechol-amine-water solution for the determination of defects
09/22/1981CA1109334A1 Internal vibration dampening means for printing mechanism
09/22/1981CA1109332A1 Electrothermal printing apparatus
09/16/1981EP0035746A1 Thermal recording apparatus
09/16/1981EP0035500A1 Laser-based image recording system
09/15/1981USRE30743 Thermal printer-plotter system for multi-directional printing and plotting
09/15/1981US4290138 Wire fire mapping for printers
09/15/1981US4290074 Ink drop generator for ink jet printer
09/15/1981US4290073 Ink-jet recording apparatus
09/15/1981US4289411 Multilingual ink jet printer
09/15/1981US4289371 Optical scanner using plane linear diffraction gratings on a rotating spinner
09/15/1981US4289069 Method for producing a multiple color hard copy image
09/15/1981CA1109162A1 Multiple-electrode print head for electroerosion printers
09/15/1981CA1109039A1 Fluid reservoir arrangements
09/15/1981CA1108930A1 Print head for metal paper printer
09/08/1981US4288799 Liquid jet recording head with permanent jig alignment
09/08/1981US4288797 Variable-charge type ink-jet printer
09/08/1981US4288796 Phase detection in an ink jet system printer of the charge amplitude controlling type
09/08/1981US4288510 Process of making an optically recordable and readable information carrier and the carrier obtained by this process
09/08/1981US4288167 Printhead and blades therefor
09/08/1981CA1108729A1 Method and apparatus for determining the velocity of a liquid stream of droplets
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