Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
06/1989
06/20/1989US4841313 RF driver and control
06/20/1989US4841312 Thermal-electrostatic ink jet recording apparatus
06/20/1989US4841311 Laser beam printer with compactly arranged photosensitive element, laser beam emitting element and reflective element
06/20/1989US4841310 High performance ink jet print head for use in a high speed printer
06/20/1989US4841306 Multi-color fluid jet pattern generator for textiles
06/20/1989US4841147 Image read-out and recording apparatus
06/20/1989US4841120 Thermal head
06/20/1989US4840501 Three pole printhead actuator
06/20/1989US4840500 Thermal transfer printer having an improved thermal head to improve ink transfer eveness
06/15/1989WO1989005567A1 A method of producing an electronic circuit part and an apparatus for producing an electronic circuit part
06/15/1989WO1989005232A1 Thermal head and production thereof
06/15/1989WO1989005231A1 A method for producing a latent electric charge pattern and a device for performing the method
06/15/1989WO1989003768A3 Ink jet printer
06/14/1989EP0320435A1 Thermal printer
06/14/1989EP0320192A2 Thin film device for an ink jet printhead and process for manufacturing same
06/14/1989EP0320165A1 Ink jet pen having improved ink storage and distribution capabilities
06/14/1989EP0319955A2 Belt and belt support drive for non-impact, direct charge electrographic printer
06/14/1989EP0319935A2 Conditioning apparatus for non-impact, direct charge electrographic printer belt
06/14/1989EP0319931A2 Transfer corona shield
06/14/1989EP0319907A2 Light emitting diode array chip and method of fabricating the same
06/14/1989EP0319565A1 A transporter.
06/14/1989EP0202270B1 System for the control of an ink jet printing head and flexible workshop provided therewith
06/13/1989US4839672 Exposure device and printer with an led array
06/13/1989US4839671 Selectable density charge deposition printing system
06/13/1989US4839670 Synchronized aperture motion ionography
06/13/1989US4839669 Liquid passageway made of curable acrylic ester
06/13/1989US4839668 Graft copolymer containing (meth)acryloyl dicyclopentenyl derivative
06/13/1989US4839666 All surface image forming system
06/13/1989US4839665 Method and apparatus for controlling the electrical charging of drops in an ink jet recording apparatus
06/13/1989US4839664 Fluid-jet catcher with removable porous metal ingestion blade
06/13/1989US4839001 Orifice plate and method of fabrication
06/13/1989US4838719 Sheet tensioning printer rollers
06/13/1989US4838717 Serial dot matrix printer
06/13/1989US4838714 Needle print head
06/13/1989US4838157 Digital printhead energy control system
06/13/1989CA1255825A1 Method and apparatus for displaying enhanced dot matrix characters
06/13/1989CA1255741A1 Electrographic stylus recording apparatus
06/13/1989CA1255535A1 Print head heating for ink jet printer apparatus
06/07/1989EP0319001A2 Method of preparing a substrate for ink jet head and method of preparing an ink jet head
06/07/1989EP0319000A2 Ink jet head, substrate therefor, process for preparing thereof and ink jet apparatus having said head
06/07/1989EP0318982A2 Liquid jet head, substrate for said head and liquid jet apparatus having said head
06/07/1989EP0318981A2 Liquid jet head, substrate for said head and liquid jet apparatus equipped with said head
06/07/1989EP0318576A1 Image printer system
06/07/1989EP0318503A1 Ink jet control in continuous ink jet printing
06/06/1989US4837709 Recording apparatus with a function of determining recording direction of explanatory characters for graph
06/06/1989US4837589 Non-contact led-array image printer
06/06/1989US4837586 Image contrast by thermal printers
06/06/1989US4837585 Continuous ink jet printer having improved system for reducing pressure variations
06/06/1989US4836851 Dyes containing polyhydroxyl groups for ink-jet printing inks
06/06/1989US4836712 Electronic word processing with sequential character attribute compounding
06/06/1989US4836697 Automated thermal transfer device and control system therefor
06/06/1989US4836652 Liquid crystal shutter array having microlenses corresponding to the pixel electrodes
06/06/1989CA1255150A1 Printer comprising a printing head guided by rollers
06/06/1989CA1255149A1 Thermal printhead life extension technique
06/01/1989WO1989004767A1 Thermal head
06/01/1989WO1989004766A1 Wire dot impact printer
06/01/1989WO1989004765A1 Wire dot impact printer
06/01/1989WO1989004764A1 Process for controlling the printing quality of an ink jet printer
05/1989
05/31/1989EP0318449A2 A method and an arrangement for controlling the method of operation of a matrix printer
05/31/1989EP0318448A2 A method and arrangement for monitoring the modus operandi of matrix printers
05/31/1989EP0318329A2 Ink jet recording apparatus
05/31/1989EP0318328A2 Ink jet recording device
05/31/1989EP0317996A2 Printer
05/31/1989EP0317779A2 Electrical recording device for printing forms for printing machines
05/31/1989EP0317777A1 Impression quality control process for ink jet printers
05/30/1989US4835781 Drooping elimination device for semiconductor laser
05/30/1989US4835603 Color image reproduction apparatus and a composite light filter and ink ribbon for use therein
05/30/1989US4835570 Apparatus for printing fixed and variable indicia
05/30/1989US4835554 Ink jet array
05/30/1989US4835553 Thermal ink jet printhead with increased drop generation rate
05/30/1989US4835552 Recording head
05/30/1989US4835550 Thick film type thermal head
05/30/1989US4835549 Printing head system
05/30/1989US4835548 Thermal head
05/30/1989US4835529 Output display apparatus
05/30/1989US4835435 Simple, sensitive, frequency-tuned drop detector
05/30/1989US4834637 Manufacture of tubular elements for ink jet printers
05/30/1989US4834564 Paper feed control in a dot matrix printer
05/30/1989US4834562 Print control apparatus
05/30/1989US4834533 Measuring the refractive index of liquid
05/30/1989US4833990 Printing press for modifying hydrophobic and hydrophilic areas of a printing image carrier
05/30/1989CA1254795A1 Thermal transfer recording method
05/24/1989EP0317342A2 Liquid injection recording head and liquid injection recording apparatus provided with the head
05/24/1989EP0317341A2 Liquid injection recording apparatus
05/24/1989EP0317300A2 Nozzle plate for an ink jet printer
05/24/1989EP0317267A2 Ink jet recording apparatus and discharge recovery device used with the same
05/24/1989EP0317219A2 Automatic printing device
05/24/1989EP0317172A2 Improved plastic orifice plate or an ink jet printhead and method of manufacture
05/24/1989EP0317171A2 Integral thin film injection system for thermal ink jet heads and methods of operation
05/24/1989EP0317140A2 Ink jet recording apparatus
05/24/1989EP0316946A2 Video signal hard copying apparatus
05/24/1989EP0316376A1 Matrix printing head with swinging-armature magnets
05/23/1989US4833626 Optimizing printer throughput
05/23/1989US4833491 Thermal ink jet printer adapted to operate in monochrome, highlight or process color modes
05/23/1989US4833488 Thermal-optical recording head
05/23/1989US4833486 Ink jet image transfer lithographic
05/23/1989US4832516 Dot matrix print head
05/23/1989US4832515 Printing head for a wire dot-matrix printer
05/23/1989CA1254624A1 Dual mode laser printer
05/23/1989CA1254441A1 Dual quality wire matrix print head