Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
05/1991
05/07/1991US5014075 Multibeam recorder using mirror reflected parallel scan lines
05/07/1991US5014074 Light emitting diode print head assembly
05/07/1991US5014073 Shifting mechanism for thermal head of a printer
05/07/1991US5014072 Thermal printing apparatus
05/07/1991US5013169 Print head having reduced noise and vibration characteristics
05/07/1991US5013168 Tandem station dot matrix printer
05/07/1991CA1283953C Internal drum plotter
05/04/1991CA2029218A1 Fluid deposition system for producing processed color images
05/02/1991WO1991006175A1 Laser printer
05/02/1991WO1991006029A1 Beam position sensor for a light beam scanner
05/02/1991WO1991005666A1 Device for drying image supports in ink printing installations
05/02/1991WO1991005663A1 Ink jet printing head
05/02/1991EP0425429A2 Light stabilised inks
05/02/1991EP0425285A1 Dot type printing head for use in a serial printer
05/02/1991EP0425254A2 Ink jet head cartridge, ink jet recording apparatus used with ink jet head and ink tank
05/02/1991EP0425218A2 Output apparatus
05/02/1991EP0425152A1 Method and apparatus for print image enhancement
05/02/1991EP0425150A2 Ink additives for improved ink-jet performance
05/02/1991EP0424885A2 Control apparatus of high speed/high quality printer
05/02/1991EP0424859A2 Tube pump mechanism and ink jet recording apparatus equipped therewith
05/02/1991EP0424610A2 Device for printing an image carrier
05/02/1991EP0424521A1 Bubble jet print head having improved multi-layer protective structure for heater elements.
05/02/1991DE4033816A1 Marking head for marking curved surfaces - has row of ink nozzles mounted on flexible strip
05/02/1991DE3935603A1 Thermal transfer printing of cans - uses controlled colour density in overlapping region of image
05/01/1991CN1051011A Ink zet recording apparatus and ink box for said apparatus
04/1991
04/30/1991US5012485 Laser beam scanning apparatus
04/30/1991US5012291 Powder transport, fusing and imaging apparatus
04/30/1991US5012284 A printing machine
04/30/1991US5012259 Color recorder with gas laser beam scanning
04/30/1991US5012258 Density controlled thermal print head
04/30/1991US5012257 Ink jet color graphics printing
04/30/1991US5011308 Releasing type dot printer head
04/30/1991US5011307 Wire dot printer head with armature guides
04/30/1991US5011271 Light shutter arrays for forming images
04/30/1991CA1283693C Thermal print head containing super-thin polycrystalline silicon film transistor
04/25/1991DE3153598C2 Point matrix printer
04/24/1991EP0424176A2 Control of exposure energy delivery
04/24/1991EP0424175A2 Production of grey scale images using pixellated exposure devices
04/24/1991EP0424174A2 Production of images using an array of light emitting diodes
04/24/1991EP0424133A2 Ink jet apparatus and ink jet cartridge and ink container mountable thereto
04/24/1991EP0424008A1 Method and apparatus for flushing an ink jet print head
04/24/1991EP0423811A2 Sheet transport unit for recording systems
04/24/1991EP0423797A2 Driving device for recording head and recording apparatus having said device
04/24/1991EP0423708A2 Method and apparatus for thermally recording data in a recording medium
04/24/1991EP0423475A1 Suction recovery device for an ink jet recording apparatus
04/24/1991EP0423374A1 Ink jet cartridge and container assembly
04/24/1991EP0423324A1 Bubble jet print cartridge.
04/24/1991EP0402414A4 Method of manufacturing thermal printer head
04/24/1991CN1050846A Ink jet apparatus
04/24/1991CN1050845A Transfering rotation parts used in ink printing mechanisms and that with same parts
04/23/1991US5010356 Method of forming an adherent fluorosilane layer on a substrate and ink jet recording head containing such a layer
04/23/1991US5010355 Ink jet printhead having ionic passivation of electrical circuitry
04/23/1991US5010354 Ink jet pen with improved volumetric efficiency
04/23/1991US5010352 Thermal transfer ink printing apparatus
04/23/1991US5010125 Colloidal suspension of nonaqueous solvent, polymer particles, and dyestuff
04/23/1991US5009530 Apparatus for reverse recording image and covering by protective medium
04/23/1991US5009529 Matrix print head of hinged-clapper-armature construction
04/23/1991US5009528 Dot print head
04/23/1991US5009527 Thermal transfer color printer with sheet retaining and guiding structure adjacent platen
04/23/1991US5009509 Clamping apparatus for thermal transfer printer
04/21/1991CA2028051A1 Production of images using an array of light emitting diodes
04/21/1991CA2028050A1 Production of grey scale images using pixellated exposure device
04/21/1991CA2028049A1 Control of exposure energy delivery
04/21/1991CA2021825A1 Nonsubvertible security displays especially for page printers
04/18/1991WO1991004865A1 Graphic printer with several adjustable printing heads
04/18/1991WO1991004864A1 Method to improve printing quality of grey scales and colour for printers
04/18/1991WO1991004863A1 Device at printers
04/18/1991WO1991004862A1 Ink circuit particularly intended to pressurizing a pigment ink for an ink jet printer
04/18/1991WO1991004861A1 Printing module for an ink-printing system with an ink storage container with an integrated ink-printing head
04/18/1991WO1991004799A1 Treatment of hot melt ink images
04/18/1991DE3933854A1 Reducing phosphor fault effect for reproduction CRT - uses cyclically repeated group of illuminating strokes and pixels instead of single illuminating stroke
04/18/1991CA2066041A1 Method to improve printing quality of grey scales and colour for printers
04/18/1991CA2027854A1 Method and apparatus for thermally recording data in a recording medium
04/17/1991EP0423051A2 Page printer on which plotter graphics are merged within a text
04/17/1991EP0422957A2 Multiple beam optical modulation system
04/17/1991EP0422956A2 Multiple beam exposure control
04/17/1991EP0422927A2 Thermal printers
04/17/1991EP0422870A2 Method of multi-tone printing
04/17/1991EP0422839A2 Wire-dot print head
04/17/1991EP0422793A2 Graphics scaling method for high resolution printers
04/17/1991EP0422649A1 Thermal printer
04/17/1991EP0422648A2 Label printer
04/17/1991EP0422298A1 Display system
04/16/1991US5008837 Gray scale generating circuit for thermal printer
04/16/1991US5008691 Multi-color electrophotograph apparatus
04/16/1991US5008690 Image recording apparatus for transferring ink patterns formed by selective application of energy through electrodes of a recording head controllably biased against ink transported on a roller
04/16/1991US5008689 Plastic substrate for thermal ink jet printer
04/16/1991US5008688 Ink jet recording apparatus capable of mounting an ink tank and ink tank for use in same
04/16/1991US5008685 Laser generator for producing modulating data therefor
04/16/1991US5008684 Head driving apparatus for thermal printer
04/16/1991US5008683 Thermal transfer recording method
04/16/1991US5007748 Printer for bar code using thin and thick bar code fonts
04/16/1991US5007692 Laser beam scanning system
04/10/1991EP0421806A2 An image forming apparatus
04/10/1991EP0421718A1 Ink drop printhead
04/10/1991EP0421717A2 Rapid halfbitting stepper
04/10/1991EP0421353A2 Drive control device for thermal printers
04/10/1991EP0354956A4 Pressure chamber for ink jet systems
04/09/1991US5007004 Control circuit for point-generating units of a write head
04/09/1991US5007002 Serial or line printer adapted for use with page describing language