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)
05/1980
05/27/1980US4205311 Liquid crystal display device
05/27/1980US4204778 Wire type dot printer head assembly
05/27/1980US4204777 Matrix printer control system
05/27/1980US4204776 Teletypewriter
05/27/1980US4204725 Apparatus for detecting information stored on photocopying media, transmitting and storing the same
05/20/1980US4204233 Electronic facet error correction for laser scanning
05/20/1980US4204215 Ink jet system for issuing ink under a predetermined uniform pressure in an ink jet system printer
05/20/1980US4204107 Thick-film thermal printing head and method of manufacturing the same
05/20/1980US4203554 Valve-needle mounting for dyestuff applicator
05/20/1980CA1078004A1 Thermal head apparatus
05/15/1980WO1980000944A1 An apparatus for producing imprints along a line on a recording medium
05/14/1980EP0011003A1 Telecopyer using a liquid crystal cell
05/14/1980EP0010634A1 Method and apparatus for on-the-fly thermographic printing
05/13/1980US4203122 Electrical stylus adjustment means and method for rotary electrical printer
05/13/1980US4203121 Rotary electrical printer and method using dot-by-dot synchronization
05/13/1980US4203120 Record drive system for rotary electrical stylus device
05/13/1980US4202638 Device for pointwise action on an information carrying medium
05/13/1980US4202267 Device for monitoring the ink supply in ink-operated printers
05/06/1980US4201995 Coincidence gate ink jet with increased operating pressure window
05/06/1980US4201994 Information formation apparatus
05/06/1980US4201993 Ink jet printer using inflammable ink
05/06/1980US4201488 Recording/control arrangement for a dot recording machine
05/06/1980US4201455 Laser-operated apparatus for data and signal recording
05/06/1980CA1077120A1 Dual sensor for multi-nozzle ink jet
05/06/1980CA1077108A1 Resilient mount for the driving shaft of an impact matrix printer and the like
05/01/1980WO1980000875A1 Ink jet printing
04/1980
04/29/1980US4200401 Print wire solenoid
04/29/1980CA1076639A1 Ink jet with uniform density trace control for recorders
04/22/1980US4199815 Typesetter character generating apparatus
04/22/1980US4199770 Coincidence gate ink jet with increased operating pressure window
04/22/1980US4199769 Coincidence gate ink jet with increased operating pressure window
04/22/1980US4199767 Nozzle valve for ink jet printers
04/22/1980CA1076192A1 Ink drop printer with traversing orifice band
04/22/1980CA1075970A1 Actuator for a wire matrix printer and method of making
04/16/1980EP0010021A1 Series-parallel type printing device and telescripter incorporating such a device
04/16/1980EP0009873A1 Segmented-ring magnet print head
04/16/1980EP0009595A1 Electrothermal printing apparatus
04/15/1980US4198643 Jet drop printer with elements balanced about support plate in nodal plane
04/15/1980US4198642 Ink jet printer having interlaced print scheme
04/15/1980US4198154 Image recording apparatus capable of representing half-tones on an image
04/15/1980CA1075758A1 Dual mode electrophotographic apparatus having dual function printing beam
04/15/1980CA1075530A1 Printing machines
04/08/1980US4197550 Apparatus for an automatic marking of drawings
04/08/1980US4197021 Printing head for a wire-type dot printer
04/08/1980US4196625 Device for monitoring the ink supply in ink recording devices
04/08/1980CA1075301A1 Fluid impulse printer
04/08/1980CA1075182A1 Apparatus and circuits for two-color printing in electronic impact printers
04/03/1980WO1980000552A1 An apparatus and method for producing cyclic motion
04/02/1980EP0009084A1 Device for increasing the rate of a pulse train and its use in printing devices
04/01/1980US4196437 Method and apparatus for forming a compound liquid jet particularly suited for ink-jet printing
04/01/1980US4196007 Jet printing ink
04/01/1980US4195938 Lateral position control means for data printer heads
04/01/1980US4195937 Electroresistive printing apparatus
04/01/1980CA1074703A1 Document copying apparatus with programmed computation means
03/1980
03/25/1980US4195304 Charge plate and method of manufacture
03/25/1980US4194846 Dot matrix printing device employing a novel image transfer technique to print on single or multiple ply print receiving materials
03/25/1980CA1074387A1 Gray tone generation
03/25/1980CA1074181A1 Descender printing system for dot matrix printer
03/19/1980EP0009033A1 Printing device
03/19/1980EP0008848A1 Apparatus for recording optical data onto a movable light-sensitive material, including an acousto-optic modulator
03/19/1980EP0008660A1 Structure in the form of a symmetrical magnetic retaining system for release devices with a movable element, e.g. a print hammer
03/19/1980EP0008618A1 Printing apparatus
03/18/1980US4194211 Charge electrode array for multi-nozzle ink jet array
03/18/1980US4194210 Multi-nozzle ink jet print head apparatus
03/18/1980US4194108 Thermal printing head and method of making same
03/18/1980US4193703 Matrix printer with piezoelectrically driven printing needles
03/18/1980CA1073960A1 Thermal print bar
03/18/1980CA1073959A1 Staggered nozzle array
03/18/1980CA1073836A1 Guide for a printing head of a printing device
03/18/1980CA1073716A1 Cladded tapered optical fiber
03/11/1980US4192230 Printer, provided with an impact device comprising a transducer
03/11/1980CA1073391A1 Guide for a printing head of a printing device
03/05/1980EP0008349A1 Precision guidance for the electrodes of a multi-electrode recording head for metal paper printers
02/1980
02/26/1980US4190847 Stray ink collector for impact printer
02/26/1980US4190846 Ink liquid concentration control in an ink liquid supply system for an ink jet system printer
02/26/1980US4190845 Electric field orientation for ink jet printers for vertical and horizontal printing
02/26/1980US4190844 Ink-jet printer with pneumatic deflector
02/19/1980US4189754 Gray tone reproduction apparatus
02/19/1980US4189736 Facsimile stylus assembly
02/19/1980US4189734 Method and apparatus for recording with writing fluids and drop projection means therefor
02/19/1980CA1072219A1 Method of forming viaducts in semiconductor material
02/19/1980CA1072218A1 Multi-layer photosensitive glass ceramic charge plate
02/12/1980US4188635 Ink jet printing head
02/12/1980US4188139 Method and apparatus for correctably printing characters with sublimable ink
02/12/1980US4188133 Dot matrix impact printer employing magnetic dot elements
02/12/1980CA1071764A1 Input device for scanning documents with magnetic printing
02/12/1980CA1071749A1 Piezo-electric actuating element for a recording head
02/12/1980CA1071690A1 Ink supply for pressurized ink jet
02/12/1980CA1071689A1 Ink jet printing system with pedestal synchronization
02/12/1980CA1071564A1 Spacing and connecting a plurality of print heads
02/06/1980EP0007756A1 Xerographic method and apparatus for producing a composite image
02/06/1980EP0007456A1 Data bit assembler for a matrix printer
02/06/1980EP0007394A1 Controlling device for the supply of ink to the writing implement of a mechanical ink-jet printer
02/05/1980US4187512 Ink liquid supply system for an ink jet system printer
02/05/1980US4187511 Method and apparatus for filling the movable reservoir of an inkjet printer
01/1980
01/29/1980US4186406 Multiple-electrode print head for electroerosion printers
01/29/1980US4185929 Wire matrix print head assembly
01/29/1980CA1070749A1 Axial droplet aspirator
01/23/1980EP0007197A1 Laser scanning utilizing facet tracking and acousto pulse imaging techniques
01/22/1980US4185290 Compensation for aerodynamic drag on ink streams from a multi-nozzle ink array
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