Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
08/1991
08/27/1991US5042376 Aerodynamic damper for an impact printing actuator
08/27/1991US5042375 Device for temperature control of a print head or of a hammer block including an electromagnetic coil
08/22/1991WO1991012500A1 Improvements relating to colour measurement
08/22/1991WO1991009737A3 Method and apparatus for fusing thermal transfer prints
08/22/1991WO1991009490A3 Improved dot printer and method for grey level recording
08/22/1991DE4004543A1 Ink jet printing method for smooth foil - providing relative offset between individual points in successive raster lines
08/21/1991EP0442713A1 Recording apparatus with ink jet recording head
08/21/1991EP0442711A1 Recording apparatus for performing recording with ink jet recording head
08/21/1991EP0442707A2 Information processing apparatus capable of connecting printer
08/21/1991EP0442706A2 Electrically conductive sheet, recording head using the same and recording apparatus
08/21/1991EP0442705A2 Liquid ejection recording apparatus and control method
08/21/1991EP0442528A2 Waste ink receiving cartridge and ink recording apparatus using said cartridge
08/21/1991EP0442509A1 Miniature printer
08/21/1991EP0442485A2 Ink supplying device and ink jet recording apparatus using the same
08/21/1991EP0442483A2 Recovery system and ink jet recording apparatus provided with said recovery system
08/21/1991EP0442471A1 Ink jet recording apparatus
08/21/1991EP0442470A2 Ink jet recording apparatus
08/21/1991EP0442440A2 Suction recovery device and ink jet recording apparatus with said device
08/21/1991EP0442439A2 Ink jet recording apparatus and discharge recovery apparatus used in said apparatus
08/21/1991EP0442438A2 Ink jet recording apparatus
08/21/1991EP0442294A2 Wire dot print head
08/21/1991EP0442201A2 Image communication apparatus and image communication method
08/20/1991US5042075 Document composition apparatus which changes an outline font in accordance with letter magnification
08/20/1991US5041851 Spatial light modulator printer and method of operation
08/20/1991US5041849 Multi-discrete-phase Fresnel acoustic lenses and their application to acoustic ink printing
08/20/1991US5041848 Non-gary scale anti-aliasing method for laser printers
08/20/1991US5041847 Thermal head
08/20/1991US5041846 Heater assembly for printers
08/20/1991US5041844 Thermal ink jet printhead with location control of bubble collapse
08/20/1991US5041190 Applying an etch resistance layer on silicon wafer, patterning the openings which have predetermined locations and dimensions; accuracy
08/20/1991US5040909 Impact dot printer having a ring-shaped magnetic bypass means
08/14/1991EP0441635A1 Ink jet recording system
08/14/1991EP0441503A2 Ink jet recording head, substrate for said head and ink jet recording device
08/14/1991EP0441458A1 Thermal ink jet pen having improved ink storage and multicolor ink dispensing capability
08/14/1991EP0441247A2 Thermal transfer recording apparatus and facsimile apparatus
08/14/1991EP0441188A2 Dot-matrix printer
08/14/1991EP0440786A1 A computer based digital image noise reduction method based on overlapping planar approximation
08/14/1991EP0440780A1 Digital image noise reduction of luminance and chrominance based on overlapping planar approximation
08/13/1991US5040075 Digital electrophotographic copying apparatus
08/13/1991US5040004 Belt donor for direct electrostatic printing
08/13/1991US5040002 Regulator for ink-jet pens
08/13/1991US5040001 Collapsible storage bladder for ink cartridges
08/13/1991US5040000 Ink jet recording apparatus having a space saving ink recovery system
08/13/1991US5039999 Accumulator and pressure control for ink-ket pens
08/13/1991US5039998 Printing control system for laser printer
08/13/1991US5039997 Impact-valve printhead for ink jet printing
08/13/1991US5039239 Matrix pin-print head of the hinged-clapper-armature construction
08/13/1991US5039238 Dot-matrix printer with impact force determination
08/13/1991US5039237 Dot matrix print head drive method
08/13/1991US5039236 Print head with tapered conical return spring
08/13/1991US5039235 Printer utilizing improved impact dot print head
08/13/1991US5039232 Office machine including a multicolor plotting mechanism
08/08/1991WO1991011327A1 Printhead for continuous ink jet printer
08/08/1991DE4003595A1 Thermal printing system - has heating element period determined by load and internal resistance of battery
08/07/1991EP0440500A1 Ink jet recording head and ink jet recorder incorporating that recording head
08/07/1991EP0440499A1 Liquid jet recording head and apparatus
08/07/1991EP0440492A2 Recording head and a recording device utilizing the recording head
08/07/1991EP0440490A1 Recording method and apparatus
08/07/1991EP0440489A1 Recording apparatus and method using ink jet recording head
08/07/1991EP0440469A2 Ink jet recording apparatus and ink jet recording head
08/07/1991EP0440459A1 Ink jet recording system
08/07/1991EP0440458A2 Recording apparatus and recording method utilizing ink jet recording head
08/07/1991EP0440407A2 Electrophotographic apparatus
08/07/1991EP0440263A2 An ink jet recording apparatus
08/07/1991EP0440262A2 Thermal fixing apparatus and image forming apparatus having the same
08/07/1991EP0440261A2 Ink jet apparatus and ink jet cartridge therefor
08/07/1991EP0440237A2 Thermal transfer recording apparatus and facsimile apparatus utilizing the same
08/07/1991EP0440236A2 Thermal transfer recording apparatus and facsimile apparatus utilizing the same
08/07/1991EP0440228A2 Thermal transfer recording apparatus and facsimile apparatus using said apparatus
08/07/1991EP0440172A2 Scanning optical system
08/07/1991EP0440110A1 Ink near-end detecting device
08/07/1991EP0440029A2 Stationary thermal printer for using detachable cassette
08/07/1991EP0439728A2 Package for ink jet cartridge
08/07/1991EP0439633A1 Print head for a thermally actuated ink-jet printer
08/06/1991US5038186 Light emitting diode array
08/06/1991US5038159 Apertured printhead for direct electrostatic printing
08/06/1991US5038157 Apparatus and method for loading solid ink pellets into a printer
08/06/1991US5038155 Recording apparatus
08/06/1991US5038154 Driving apparatus for thermal head
08/06/1991US5038153 Franking machine
08/06/1991US5037221 Emphasized character dot-matrix printer having two groups of dot-forming elements
08/06/1991US5037219 Composite tape for label printing machines
08/06/1991US5037217 Dot-matrix impact printer using piezoelectric elements for activating print wires
08/06/1991US5037216 Graphic
08/06/1991US5037048 Bulk ink restraint assembly
08/06/1991US5036897 Polyimide on heat resistant substrate
08/06/1991CA1287368C Print engine for color electrophotography
08/06/1991CA1287256C Printhead for ink jet printing apparatus
07/1991
07/31/1991EP0439275A1 Continuous ink jet printer
07/31/1991EP0439162A2 Thermal printer
07/31/1991EP0439146A2 Image forming device and two-dimensional optical scanning device
07/31/1991EP0331714A4 Hot melt ink supply unit
07/31/1991CN1053391A Card printing device and card reader-writer with card printing device
07/30/1991US5036341 Method for producing a latent electric charge pattern and a device for performing the method
07/30/1991US5036340 Piezoelectric detector for drop position determination in multi-pen ink jet printing systems
07/30/1991US5036339 LED array into floating focusing structure for differential expansion
07/30/1991US5036338 Printing head drive apparatus with inertia control
07/30/1991US5036337 Thermal ink jet printhead with droplet volume control
07/30/1991CA1286913C Needle printing head
07/30/1991CA1286912C Acoustically soft ink jet nozzle assembly