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)
04/1981
04/07/1981CA1098763A1 Electro-erosion head and manufacturing method
04/02/1981WO1981000829A1 Wire matrix print head assembly
04/01/1981EP0025957A2 Optical device for contactless recording, particularly for facsimile picture and text reproduction
04/01/1981EP0025956A2 Optical device for contactless recording
04/01/1981EP0025878A1 Apparatus and method for drying ink printed on a print medium in a printing system
04/01/1981EP0025877A1 Ink-jet printing head and ink-jet printer
03/1981
03/31/1981US4259696 Apparatus and method for jet drop copying with an array of jets and photodetectors
03/31/1981US4259676 Thermal print head
03/31/1981US4259653 Electromagnetic reciprocating linear actuator with permanent magnet armature
03/31/1981US4259564 Integrated thermal printing head and method of manufacturing the same
03/31/1981US4258623 Print hammer mechanism having dual electromagnetic coils and pole pieces
03/31/1981CA1196812B Labelling machines
03/31/1981CA1098372A1 Ink jet printer ink cartridge
03/31/1981CA1098371A1 Labelling machines
03/31/1981CA1098349A1 Polygonal scanning mirror and arrangement
03/25/1981EP0025710A1 An ink jet printer and method of operating such a printer
03/25/1981EP0025709A1 Document illuminating apparatus
03/25/1981EP0025707A2 Jet drop copying apparatus and method
03/25/1981EP0025493A1 Ink jet printer
03/25/1981EP0025492A1 Ink jet printer comprising a picture-slant control device
03/25/1981EP0025490A1 Ink jet printer comprising an inertia device for inclination of the electric deflection field
03/24/1981US4258374 Electrically operated device for marking metal-coated paper
03/24/1981US4258371 Image recording apparatus
03/24/1981US4258370 Jet drop printer
03/24/1981CA1098162A1 Object deflection sensor
03/24/1981CA1098161A1 Ink jet printing head
03/24/1981CA1098160A1 Method and apparatus for controlling the velocity of ink drops in an ink jet printer
03/24/1981CA1098158A1 Interchangeable ink supply
03/24/1981CA1097974A1 Double etching process for producing precision parts with reduced taper from photosensitive material
03/17/1981US4257053 High-resolution laser plotter
03/17/1981US4257052 Molded orifice plate assembly for an ink jet recorder and method of manufacture
03/17/1981US4257051 Apparatus and method for driving a magnetic print head
03/17/1981US4256948 Integral beaded stylus wire and method of making same
03/17/1981US4256408 Dot matrix print head
03/17/1981CA1097720A1 Ink jet nozzle arrangement
03/17/1981CA1097718A1 Apparatus for recording information on a recording surface
03/11/1981EP0024955A1 Fluid jet devices and method of depositing fluid drops
03/11/1981EP0024952A1 Electrophotographic reprographic apparatus
03/11/1981EP0024928A1 Impact matrix printer having resiliently mounted printing elements driven by striking needles
03/11/1981EP0024641A2 Arrangement for advancing the electrodes in metal paper printers
03/11/1981EP0024619A1 Damping device for the electromagnetic print hammer drive in a print-hammer arrangement
03/11/1981EP0024497A1 Ink composition
03/10/1981US4255754 Differential fiber optic sensing method and apparatus for ink jet recorders
03/10/1981US4255062 Matrix print head
03/10/1981US4255042 Light pipe for accurate erasure of photoconductor charge
03/10/1981US4255040 Positive overlay electronic xerographic printer
03/03/1981US4254425 Electric discharge printing device having a laminar stylus
03/03/1981US4254424 Electrostatic recording apparatus
03/03/1981US4253775 Apparatus for re-inking a ribbon in a thermal transfer printing system
03/03/1981US4253774 Information output device
03/03/1981US4253724 Recording optical system
03/03/1981CA1096930A1 Arrangement for feeding electrodes for multiple electrode print heads in metal paper printers
03/03/1981CA1096925A1 Thermally activated liquid ink printing
02/1981
02/24/1981US4253103 Ink supply container for ink writing systems
02/24/1981US4253102 Optical recording apparatus
02/24/1981US4252991 Multi-layer printed circuit
02/24/1981US4252889 Process of making an optically recordable and readable information carrier and the carrier obtained by this process
02/24/1981US4252449 Construction of wire type dot printer head
02/24/1981CA1096235A1 Device for marking articles
02/24/1981CA1096234A1 Wear minimizing means for printing mechanism
02/18/1981EP0024049A1 Hammer bank assembly having a backstop screw tip strip, and process for its manufacture
02/17/1981US4251871 Method and apparatus for storing and reconstructing Chinese-like characters
02/17/1981US4251826 Method of and apparatus for manual writing using coded pulse train
02/17/1981US4251824 Liquid jet recording method with variable thermal viscosity modulation
02/17/1981US4251823 Ink jet recording apparatus
02/17/1981US4251822 Recording head
02/17/1981US4251821 Character recording device
02/17/1981US4251820 Solder glass bonded charge electrode assembly for ink jet printers
02/17/1981US4251722 Pulse generator
02/17/1981US4251126 Light beam scanning device with opposed deflecting surfaces
02/17/1981CA1096023A1 Fast turn-off nematic liquid optical devices
02/17/1981CA1095966A1 Electrostatic printing device
02/11/1981EP0023754A1 Electrostatic recording apparatus and method
02/10/1981US4250526 Optical information reading device
02/10/1981US4250512 Heating device for recording heads in ink mosaic recorders
02/10/1981US4250511 Thermal transfer color printer
02/10/1981US4250510 Fluid jet device
02/10/1981US4250375 Thermal recording head
02/10/1981CA1095225A1 Solid metal orifice plate for a jet drop recorder
02/04/1981EP0023452A1 Printing apparatus with pulverulent magnetic toner
02/04/1981EP0023433A2 High speed ink jet recording apparatus
02/04/1981EP0023270A1 Dot printer comprising a tiltable print head
02/04/1981EP0023269A2 Printer comprising removable dot print head
02/04/1981EP0023268A1 Dot printer comprising a tiltable print head
02/04/1981EP0023267A2 Printer control device
02/03/1981US4249189 Ink jet printer having improved deflection electrode
02/03/1981US4249188 Uncharged ink drop rastering, monitoring, and control
02/03/1981US4249187 Ink jet printer with deflected nozzles
02/03/1981US4248823 Hardenable synthetic material
02/03/1981US4248636 Ink for ink-jet printer containing dichloromethane as an organic solvent and a basic dye as a coloring agent
02/03/1981US4248540 Printer arm
02/03/1981US4248147 Control system for dot matrix line printer using one print element per character
02/03/1981CA1095110A1 Ink collector in ink jet printer
02/03/1981CA1095003A1 Electric discharge recording method and material
02/03/1981CA1094861A1 Process for recording images by means of laser radiation
02/03/1981CA1094860A1 Process for recording images by means of laser radiation
01/1981
01/27/1981US4247214 Character position control for a matrix printer
01/27/1981US4247207 Matrix printer
01/27/1981US4247160 Scanner with reflective pyramid error compensation
01/27/1981US4246839 Nonimpact printer
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