Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
08/1982
08/17/1982US4345264 Carriage support for recording head, diode matrix, and drivers
08/17/1982US4345263 Recording apparatus
08/17/1982US4345262 Ink jet recording method
08/17/1982US4345260 Ink jet printer with carriage velocity compensation
08/17/1982US4345259 Method and apparatus for ink jet printing
08/17/1982US4344713 Character overprinting method and apparatus in non-impact printers
08/17/1982US4344691 Zonal concentrator for accurate erasure of photoconductor charge
08/17/1982CA1129940A1 Nozzle valve for ink jet printers
08/17/1982CA1129939A1 System and method for analyzing operation of an ink jet head
08/17/1982CA1129938A1 Electrostatic lens for ink jets
08/17/1982CA1129937A1 Ink jet electrohydrodynamic exciter
08/17/1982CA1129936A1 Ink jet ahead having at least one wall of ink cavity of piezoelectric material
08/17/1982CA1129935A1 Ink jet head
08/17/1982CA1129934A1 Method and apparatus for arranging scanning heads for interlacing
08/17/1982CA1129933A1 Ink jet pen assembly and method
08/17/1982CA1129932A1 Electrostatic scanning ink jet system
08/17/1982CA1129894A1 Seal glass for nozzle assemblies of an ink jet printer
08/11/1982EP0057594A2 Ink jet apparatus
08/11/1982EP0057472A2 Random droplet liquid jet apparatus and process
08/10/1982US4344078 Integrated waveguide drop sensor array and method for ink jet printing system
08/10/1982US4343986 Thermal printhead
08/10/1982US4343968 Electronic device having unitary display and printing sections
08/10/1982US4343833 Method of manufacturing thermal head
08/10/1982US4343596 Constant flow rate liquid supply pump
08/10/1982US4343555 Chemical print element
08/10/1982CA1129479A1 Mosaic ink-jet recording device
08/10/1982CA1129478A1 Reciprocating paper handling apparatus for use in an ink jet copier
08/10/1982CA1129477A1 Circuit arrangement for controlling recording nozzles in ink-mosaic recording devices
08/10/1982CA1129476A1 Skewed ink jet printer with overlapping print lines
08/10/1982CA1129246A1 Print hammer mechanism having dual pole pieces
08/05/1982WO1982002634A1 Electronic color imaging apparatus
08/04/1982EP0057118A2 Electromechanical printing mechanism for a serial parallel printer
08/04/1982EP0057064A2 A recording or plotting apparatus
08/03/1982US4343013 Nozzle plate for ink jet print head
08/03/1982US4343012 Printer control circuit
08/03/1982US4343009 Facsimile recorder
08/03/1982US4342504 LED-Fiber optic character printer
08/03/1982CA1129112A1 Printer having variable character density
07/1982
07/28/1982EP0056735A2 Device for feeding constant pressure fluid
07/28/1982EP0056453A2 Printhead for electrochromic printing and method of fabricating such printhead
07/27/1982US4342096 Variable pitch character generator for dot matrix printer
07/27/1982US4342051 Method of and system for reproducing or transmitting half-tone images
07/27/1982US4342042 Ink supply system for an array of ink jet heads
07/27/1982US4342041 Ink jet type recording apparatus
07/27/1982US4342040 Heat sensitive recording system
07/27/1982US4341478 Wire printing device
07/27/1982US4341310 Ballistically controlled nonpolar droplet dispensing method and apparatus
07/27/1982CA1128365A1 Wire matrix print head and method of forming guide means for wires of wire matrix print head
07/27/1982CA1128364A1 Printer control logic
07/22/1982WO1982002363A1 Ink jet printing head
07/21/1982EP0056334A1 Thin film electro-optic line printer
07/21/1982EP0056333A1 Ink composition and method for ink jet recording
07/20/1982US4340897 Cleaning device for writing heads used in ink jet recorders and printers
07/20/1982US4340896 Impulse ink jet ink delivery apparatus
07/20/1982US4340895 Degassing ink supply apparatus for ink jet printer
07/20/1982US4340312 Barrelless gun for microballistic printer
07/20/1982US4340165 Printer arm
07/20/1982CA1128211A1 Drive circuit for printing head
07/20/1982CA1128113A1 Electric field orientation for ink jet printers for vertical and horizontal printing
07/20/1982CA1127905A1 Dot matrix printing device employing novel image transfer technique for printing on single ply or multiple ply print receiving media
07/20/1982CA1127899A1 Electro-optical character generator for photocomposing apparatus
07/20/1982CA1127843A1 Tear resistant ribbon for non-impact printing
07/14/1982EP0055834A2 Reprographic apparatus capable of reproducing various tone and line originals and methods of operation thereof
07/13/1982US4339763 Apparatus for recording with writing fluids and drop projection means therefor
07/13/1982US4339762 Liquid jet recording method
07/13/1982US4339761 Compact plunger pump
07/13/1982US4339208 Optical sensing of wire matrix printers
07/13/1982CA1127703A1 Jet drop printer
07/13/1982CA1127702A1 Charge electrode array for multi-nozzle ink jet array
07/08/1982WO1982002269A1 Character generator
07/07/1982EP0055539A2 Thermal printer drive circuit and a thermal printer provided therewith
07/07/1982EP0055325A1 Printing control device with timing disc
07/06/1982US4338613 Ink drop deflector
07/06/1982US4338612 Multiple deflection plate device for liquid jet printer or the like
07/06/1982US4338611 Liquid jet recording head
07/06/1982US4338610 Modular-head endorser
07/06/1982US4338585 Solenoid having a hinged armature
07/06/1982US4337696 Printing apparatus
07/06/1982CA1127228A1 Method of recording by jet printing
07/06/1982CA1127227A1 Liquid jet recording process and apparatus therefor
06/1982
06/30/1982EP0055051A2 Thermal serial dot printer
06/30/1982EP0055030A2 Electrographic method and apparatus
06/30/1982EP0054999A1 Nozzle for an ink-jet printer
06/30/1982EP0054921A2 Method for reducing print distortion of ink drop writing apparatus
06/30/1982EP0054905A2 Magnetic fluid recording apparatus
06/30/1982EP0054711A2 Ink jet printers and methods of testing the operation of ink jet printers
06/30/1982EP0054709A2 Method of correcting mis-printed characters during printing
06/30/1982EP0054694A2 Print head for an ink-jet printer with a reciprocating print head carrier
06/30/1982EP0054664A2 Ribbon feed system for a matrix printer
06/29/1982US4337472 Recording head for use in electrostatic recorders
06/29/1982US4337470 Ink jet printing apparatus with variable character size
06/29/1982US4337469 Ink liquid supply system for ink jet system printer
06/29/1982US4337468 Method and device for controlling concentration of ink for ink-jet printer
06/29/1982US4337467 Liquid jet recording process
06/29/1982US4337398 Device for correcting displacement of form slide in a light beam scanning type recording system
06/29/1982US4336996 Variable-focal-length objective and an optical system equipped with objectives of this type for the production of special effects on film
06/29/1982US4336751 Apparatus for producing a multiple color hard copy image
06/29/1982CA1126802A1 Thermal recording head
06/29/1982CA1126575A1 Dot matrix print head
06/29/1982CA1126574A1 Data matrix print head