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)
04/1989
04/25/1989US4825229 Method and apparatus for ink jet printing
04/25/1989US4825228 Method of, and apparatus for, regulating ink viscosity in an ink jet printing system
04/25/1989US4825227 Shear mode transducer for ink jet systems
04/25/1989US4825040 Thermal head
04/25/1989US4824487 Cleaning of polyurethane foam reservoir
04/20/1989WO1989003628A1 Dot printer with token bit selection of data latching
04/19/1989EP0312319A2 Release-type dot print head and method of manufacturing the same
04/19/1989EP0312318A2 Dot print head
04/19/1989EP0311982A2 Thermal printer
04/19/1989EP0311981A2 Thermal transfer printer
04/19/1989EP0311678A1 Thermal printer
04/19/1989EP0311667A1 An aperture card plotter
04/18/1989US4823284 High speed VLSI based serial to multiplexed data translator
04/18/1989US4823189 Method and apparatus for creating a dither pattern
04/18/1989US4823152 Transfer corona shield
04/18/1989US4823151 Multi-beam scanning system with sync signal generation based on single beam detection
04/18/1989US4823149 Ink jet apparatus employing plate-like structure
04/18/1989US4823146 Cartridge and method of using a cartridge for phase change ink in an ink jet apparatus
04/18/1989US4822755 Using reactive ion etching and orientation dependent etching to form chips with planar butting surfaces
04/18/1989US4822188 Printing mechanism
04/18/1989US4822187 Preventing armature rebounding in matrix print heads
04/18/1989US4821999 Valve element and process of producing the same
04/18/1989CA1252670A1 Ink jet apparatus and method of operating the ink jet apparatus wherein phase change ink is supplied in solid-state form
04/18/1989CA1252669A1 Ink jet apparatus and method of operating the ink jet apparatus employing phase change ink
04/18/1989CA1252668A1 Method and apparatus for supplying ink to a phase change ink jet
04/13/1989DE3832755A1 Needle print head
04/13/1989DE3733804A1 Verfahren zum bedrucken eines aufzeichnungstraegers mittels eines thermodruckkopfes Method of printing a aufzeichnungstraegers by means of a thermal print head
04/13/1989DE3733109A1 Method for producing a piezoceramic element for an ink jet printer
04/12/1989EP0311111A2 Apparatus for assembling data for supply to a scanning output device
04/12/1989EP0310961A2 Electronic image printing apparatus
04/12/1989EP0310774A2 Method for making a copy of an image on a screen and a device for applying this method
04/12/1989EP0310712A1 Front-end system for a raster output scanner
04/12/1989EP0310605A1 Piezoelectrically operated fluid pump
04/11/1989US4821113 Full color, continuous tone laser diode photographic imaging apparatus and method using three laser diodes at predetermined frequencies
04/11/1989US4821109 Generating half-tone representations
04/11/1989US4821066 Nonimpact printer
04/11/1989US4821051 Optical printhead having thermal expansion stress relief
04/11/1989US4820551 Method for fabricating thermo-inking ribbons for thermo-transfer printing, and thermo-inking ribbon obtained thereby
04/11/1989US4820065 Wire-type printing head
04/11/1989US4820064 Electronic hand labeler
04/11/1989US4820063 Typewriter with a correction function
04/11/1989US4820013 LED array head
04/11/1989CA1252506A1 Ion projection copier
04/06/1989WO1989003151A1 System for high resolution exposure address with coarser resolution exposing array
04/06/1989WO1989003149A1 Multiplexed array exposing system having equi-angular scan exposure regions
04/06/1989WO1989003148A1 Scan-multiplexed light valve printer with band-reducing construction
04/06/1989WO1989003065A1 Electronic reproduction apparatus with highlighting color
04/06/1989WO1989002832A1 Laser beam-induced colour printing
04/06/1989WO1989002829A1 Method and apparatus for optimizing phase and improving resolution in ink jet printers
04/06/1989WO1989002828A1 Process and device for determining the printing position of the delivery nozzles of printing ink heads
04/06/1989WO1989002827A1 Process and arrangement for automatic performance checking of printing ink devices
04/06/1989WO1989002826A1 Process and device for monitoring droplet ejection from ejection nozzles of ink-printing heads
04/06/1989WO1989002825A1 Process for thermal printing on a support
04/06/1989DE3732868A1 Thermal printing method and device
04/06/1989DE3732396A1 Method for monitoring the ejection of droplets from the outlet jets of an ink print head
04/06/1989DE3732395A1 Method and arrangement for monitoring the ejection of droplets from the outlet jets of an ink print head
04/05/1989EP0310583A1 Matrix printer and method for printing by means of a matrix printer
04/05/1989EP0310402A1 Pulley type continuously-variable speed-shifting device
04/05/1989EP0310378A1 A thermal recording head
04/05/1989EP0310287A2 Light emitting diode array
04/05/1989EP0310267A2 Method of alignement of led chips
04/05/1989EP0310228A2 Page printing system using a virtual memory
04/05/1989EP0310217A2 Circuit for driving dot matrix printers with individually positioned print elements
04/05/1989EP0310209A1 Image forming device
04/05/1989EP0309811A2 Document printer
04/04/1989US4819019 Recording apparatus
04/04/1989US4819014 Ink jet recording head
04/04/1989US4819013 Ion generation compensation
04/04/1989US4819012 Ink-jet printer with cap means
04/04/1989US4819011 Thermal printer temperature regulation system
04/04/1989US4819010 Thermal printer using a thermally transferable ink sheet
04/04/1989US4819009 Valve and nozzle system for ink jet printing apparatus
04/04/1989US4819008 Thermal head driver circuit
04/04/1989US4818133 High speed wire matrix print head
04/04/1989US4818129 Method for correcting bidirectional printing alignment of a serial dot printer
04/04/1989US4818127 Inclined writing by means of matrix printer
04/04/1989US4818126 Method and apparatus for thermally printing data in special fonts on documents like checks
04/04/1989CA1251994A1 Method for operating an ink jet device to obtain high resolution printing
03/1989
03/29/1989EP0309228A2 Word processor
03/29/1989EP0309148A2 Multi-disc cutter and method of manufacture
03/29/1989EP0309146A2 Manufacture of nozzles for ink jet printers
03/29/1989EP0308492A1 Printer apparatus.
03/29/1989EP0308463A1 Focusing for optical print heads
03/28/1989USRE32897 Thermal print head
03/28/1989US4816924 Laser printer with toner image density control
03/28/1989US4816912 Laser-beam printer with improved optical deflector
03/28/1989US4816846 Method and apparatus for direct color printing
03/28/1989US4816845 Image forming apparatus having a stepping motor with selectively excited coils
03/28/1989US4816843 Method of controlling a thermal head
03/28/1989US4815872 Method, apparatus and thermal print ribbon to provide a protective layer over thermally-printed areas on a record medium
03/23/1989WO1989002577A1 Ink jet array
03/23/1989WO1989002576A1 Platen arrangement for hot melt ink jet apparatus
03/23/1989WO1989002575A1 Hot melt ink supply unit
03/23/1989WO1989002368A1 Compliant head loading mechanism for thermal printers
03/23/1989WO1989002367A1 Printing installation with an electrothermally-driven printing head
03/22/1989EP0308272A1 Multi-chamber ink jet recording head for color use
03/22/1989EP0308117A1 Transparency with jetted color ink and method of making same
03/22/1989EP0307994A1 An exposure device with an aging correction system for a LED printer
03/22/1989EP0307980A2 A control circuit for a laser printer
03/22/1989EP0307845A1 An image processor with laser means operable as an image reader and a printer
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