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)
03/1991
03/12/1991US4999651 Multi-color recorder with plural ink jets and reservoirs co-mounted on a reciprocating carriage, each reservoir containing a sub-reservoir in communication with an ink supply conduit
03/12/1991US4999650 Bubble jet print head having improved multiplex actuation construction
03/12/1991US4999648 Non-contact optical print head for image writing apparatus
03/12/1991US4999647 Synchronous stimulation for long array continuous ink jet printer
03/12/1991US4999646 Method for enhancing the uniformity and consistency of dot formation produced by color ink jet printing
03/12/1991US4999645 Electronically controlled marking
03/12/1991US4999644 User selectable drop charge synchronization for traveling wave-stimulated, continuous ink jet printers
03/12/1991US4999643 Discharge recovery device and apparatus having suction means and vent means communicating with capping means
03/12/1991US4999310 Method of making an LED array
03/12/1991US4998835 Computer controlled timer for main drive pulse of form feed motor
03/07/1991WO1991002651A1 Continuous ink jet print heads
03/06/1991EP0415903A2 Imaging recorder
03/06/1991EP0415742A2 Image processing apparatus
03/06/1991EP0415725A2 Image recording apparatus
03/06/1991EP0415718A1 Thermal head
03/06/1991EP0415701A2 Printing apparatus and method for forming images on a substrate
03/06/1991EP0415700A2 Wrong sign toner extraction for a direct electrostatic printer
03/06/1991EP0415622A1 Recording head including electrode supporting substrate having thin-walled contact end portion, and substrate reinforcing layer
03/06/1991EP0415581A2 Waterfast ink formulations with a novel series of anionic dyes containing two or more carboxyl groups
03/06/1991EP0415236A2 Optical unit for use in laser beam printer or the like
03/06/1991EP0415234A2 Optical unit for use in laser beam printer or the like
03/06/1991EP0414936A1 Printing head for resistive ribbon type printing apparatus
03/06/1991EP0319565B1 A transporter
03/05/1991US4998214 Apparatus for line imaging
03/05/1991US4998210 Character generator
03/05/1991US4998120 Hot melt ink jet printing apparatus
03/05/1991US4998116 Multifunctional cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head
03/05/1991US4998115 Method and apparatus for priming an ink jet pen
02/1991
02/28/1991CA2019981A1 Image recorder
02/27/1991EP0414523A2 A process for producing at least one resistor component
02/26/1991US4996650 Print control system
02/26/1991US4996540 Recorder with ligament supported scan mirror and resilient optical system support
02/26/1991US4996539 Label printer
02/26/1991US4996537 Method of and apparatus for recording image
02/26/1991US4996487 Apparatus for detecting failure of thermal heaters in ink jet printers
02/26/1991US4996425 Method and apparatus for increasing corona efficiency in an ionographic imaging device
02/26/1991US4995744 Dot matrix
02/26/1991US4995743 Wire printer with step formation armature and method of assembly
02/26/1991US4995742 Needle printing head
02/26/1991CA2023796A1 Process for producing thermal printing heads
02/26/1991CA1280637C Ink jet charging plate and drop-catcher assembly
02/25/1991WO1991002652A1 Improved ink supply construction and printing method for drop-on-demand ink jet printing
02/21/1991WO1991002223A1 Printhead for ink jet printing apparatus
02/21/1991WO1991001888A1 Process for driving printing elements
02/21/1991WO1991001887A1 Process for driving printing elements
02/21/1991WO1991001886A1 Heat transfer printer
02/20/1991EP0413597A1 Thermal printing head manufacturing method
02/20/1991EP0413569A2 Thermal imaging system
02/20/1991EP0413529A2 Edge emission type electroluminescent (EL) printer
02/20/1991EP0413413A2 Thermal head printer
02/20/1991EP0413340A1 Ink jet recording head
02/19/1991US4995103 Print control method and system
02/19/1991US4994826 Thermal ink jet printhead with increased operating temperature and thermal efficiency
02/19/1991US4994825 Ink jet recording head equipped with a discharging opening forming member including a protruding portion and a recessed portion
02/19/1991US4994824 Modal ink jet printing system
02/19/1991US4994822 Pulse count modulation for thermal printing
02/19/1991US4994821 Continuous ink jet printer apparatus having improved short detection construction
02/19/1991US4993855 Printing head for a needle printer
02/19/1991US4993854 Wire dot print head
02/19/1991US4993853 Matrix character modification information unique to a given font
02/19/1991US4993852 Print head control for subscript and superscript correction
02/19/1991US4993792 Scanning optical system in which a ghost image is eliminated
02/19/1991CA1280514C Forms generating and information retrieval system
02/19/1991CA1280314C Multifunction cell having a variable volume chamber and a fluid feeling circuit for an ink jet print head thus equipped
02/13/1991EP0412922A2 Matrix character modification
02/13/1991EP0412754A1 Thermal Printer
02/13/1991EP0412643A1 Flow control system for ink cartridges
02/13/1991EP0412459A2 Ink jet recording apparatus and ink cartridge for the apparatus
02/13/1991EP0412292A2 Recording apparatus and recording head
02/13/1991EP0412171A1 Non-monocrystalline substance containing iridium, tantalum and aluminum
02/13/1991CN1011634B Printing words way
02/12/1991US4992959 Word processor
02/12/1991US4992956 Apparatus for assembling data for supply to a scanning output device
02/12/1991US4992882 Printer
02/12/1991US4992822 Optical printing system
02/12/1991US4992808 Multi-channel array, pulsed droplet deposition apparatus
02/12/1991US4992807 Gray scale printhead system
02/12/1991US4992806 Method of jetting phase change ink
02/12/1991US4992805 Image recording apparatus
02/12/1991US4992804 Modulated beam scanning with pixal exposure control
02/12/1991US4992802 Method and apparatus for extending the environmental operating range of an ink jet print cartridge
02/12/1991US4991917 Holographic scanning system for laser printer
02/08/1991CA2022527A1 Optical printing head
02/07/1991WO1991001532A1 Arrangement for determining the radiant energy emitted by light-emitting semiconductor elements and its use in an electrophotographic printer
02/07/1991DE3925913A1 Verfahren zum ansteuern von druckelementen Method for control of pressure elements
02/06/1991EP0412038A2 Chromatic and misalignment compensation in a multiple beam laser scanning system
02/06/1991EP0412036A2 Pel placement correction in the scan dimension of a multiple beam laser scanning system
02/06/1991EP0411844A2 Process control for electrostatographic printers
02/06/1991EP0411740A2 Dropout-free center point fill method for displaying characters
02/06/1991EP0411739A2 Method for editing character bitmaps at small sizes
02/06/1991EP0411540A2 Heat transfer recording apparatus and facsimile apparatus
02/06/1991EP0411148A1 Wire dot printing head
02/06/1991EP0277153B1 Temperature compensated thermal printer apparatus
02/05/1991US4991113 Thermal transfer printer with image data processing
02/05/1991US4990942 Printer RF line control
02/05/1991US4990939 Bubble jet printer head with improved operational speed
02/05/1991US4990938 Printer nest for positioning ink jet print/cartridge
02/05/1991US4990937 Device for supporting a print head
02/05/1991US4990936 Image forming device
02/05/1991US4990935 Thermal head
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