Patents
Patents for B41J 2 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (138,049)
11/1989
11/02/1989EP0339287A2 Printer having reversible driving mechanism
11/02/1989EP0339076A1 Dot printer with toner characteristic compensation means
11/02/1989EP0339058A1 Ink jet array
11/02/1989DE3913456A1 Ink reservoir of an ink jet printer
10/1989
10/31/1989US4878072 LED age correction means
10/31/1989US4878070 Thermal ink jet print cartridge assembly
10/31/1989US4878069 Ink jet recording apparatus with an ink tank-carriage configuration for increasing useable space
10/31/1989US4878068 Beam recorder having a varying beam intensity for maintaining a true reproduced image
10/31/1989US4878066 Beam scanner with distortion correction
10/31/1989US4878065 Thermal printing control circuit
10/31/1989US4878064 Continuous ink jet stimulation adjustment based on overdrive detection
10/31/1989US4877344 Impact printer temperature control device
10/31/1989US4877342 Method of moving print elements in printheads and a printhead with moving mechanism for print elements
10/26/1989DE3912595A1 Ausgabegeraet Ausgabegeraet
10/26/1989DE3812462A1 Printing device
10/25/1989EP0338726A2 Image processing apparatus
10/25/1989EP0338638A1 Needle printer
10/25/1989EP0338590A2 Ink jet type recording apparatus and method
10/25/1989EP0338514A2 Low-noise printer head assembly
10/25/1989EP0338287A2 Matrix display
10/25/1989EP0338176A1 Wire matrix print head
10/25/1989EP0338175A1 Manufacture of armatures for solenoid assemblies in a matrix print head, and armature of the clapper type
10/25/1989EP0217932B1 Print head protection for ink jet printers
10/24/1989US4876609 Digital copier with a facsimile function
10/24/1989US4876569 Image exposure apparatus
10/24/1989US4876561 Printing apparatus and toner/developer delivery system therefor
10/24/1989US4876560 Recording apparatus
10/24/1989US4876559 Recording apparatus having a print permission circuit for protecting plural recording heads driven in accordance with selectively applied print signals from overload
10/24/1989US4876558 Pump device and an ink jet recording apparatus having the pump device
10/24/1989US4876556 Beam recorder with a temperature sensor for light quantity control
10/24/1989US4875969 Cladding removal
10/24/1989US4875968 Method of fabricating ink jet printheads
10/24/1989US4875619 Brazing of ink jet print head components using thin layers of braze material
10/24/1989US4875409 Magnetic print hammer actuator protection circuit
10/24/1989US4875281 Method of fabricating a printhead
10/19/1989WO1989009980A1 An image or pattern transfer optical system for thermal dye transfer apparatus
10/19/1989WO1989009695A1 Printing apparatus
10/19/1989WO1989009694A1 Printing apparatus
10/19/1989DE3810667A1 Elektrisches widerstandsmaterial fuer elektrothermische wandler in duennschichttechnik Electrical resistance material for electrothermal transducers in duennschichttechnik
10/18/1989EP0337501A2 Thermal printing
10/18/1989EP0337429A2 Ink jet head
10/18/1989EP0337427A2 Method of and apparatus for recording halftone image
10/18/1989EP0337275A2 Printer paper thickness detector
10/18/1989CN1036362A Ink-jetting register device
10/17/1989US4875153 Mechanism for accurately mounting an electronic light emitting printhead assembly
10/17/1989US4875104 Document sheet position detecting device for image forming apparatus
10/17/1989US4875062 Ion projection print head
10/17/1989US4875060 Discharge head for an electrostatic recording device
10/17/1989US4875059 With a liquid supply path having disposed therein a filler providing partial flow blockage that varies upstream of the discharge orefice
10/17/1989US4875058 Valve device for a matrix printer
10/17/1989US4875057 Modular optical printhead for hard copy printers
10/17/1989US4875056 Thermal recording apparatus with variably controlled energization of the heating elements thereof
10/17/1989US4875055 Simplified multicolor fluid system for continuous ink jet printer
10/17/1989US4875054 Clean air hood for fluid jet printing
10/17/1989US4874980 Laminated mechanical amplification mechanism for piezoelectric elements
10/17/1989US4874978 Device for magnifying displacement of piezoelectric element or the like and method of producing same
10/12/1989EP0255828A4 Image recording apparatus.
10/12/1989DE3811348A1 Matrix print head, e.g. needle print head
10/12/1989DE3811045A1 Process for preparing electroconductive sintered layers
10/12/1989DE3810791A1 Electrode structure for an electro-optical light valve row and method for driving it
10/11/1989EP0336820A1 Device for forming latent magnetic images on a recording element of a magnetographic printer
10/11/1989EP0336752A2 Improvements in and relating to a method of and apparatus for producing an enlargement of a visual representation
10/11/1989EP0336691A2 Thermal transfer printer
10/11/1989EP0336125A1 Document processing apparatus
10/11/1989EP0336043A2 Ink jet printing apparatus
10/11/1989EP0335943A1 System for high resolution exposure address with coarser resolution exposing array
10/11/1989EP0335914A1 Device for cleaning and closing the spray surface of an ink head
10/11/1989EP0335913A1 Planar ink printing head in a dual-in-line casing.
10/11/1989CN1036169A Method and device for producing graph with distributed electric charges
10/10/1989US4873622 Liquid jet recording head
10/10/1989US4873539 Phase change ink jet apparatus
10/10/1989US4873536 Method and apparatus for preventing unevenness in printing depth in a thermal printer
10/10/1989US4873535 Method of driving thermal head
10/10/1989US4872772 Thermal recorder for printing dot patterns having higher density at ends of pattern
10/10/1989CA1262286A1 Matching hardcopy color to display color
10/10/1989CA1262244A1 Recording apparatus
10/05/1989WO1989009496A1 Electrically resistive material for electrothermal transducers produced by thin-film technology
10/05/1989WO1989009382A1 Pixel preheat and automated thermal transfer system
10/05/1989WO1989009381A1 Automated thermal transfer device and control system
10/05/1989WO1989009134A1 Thermal head drive circuit and manual scanning-type copying machine
10/05/1989WO1989009133A1 Increased speed in near letter quality mode
10/05/1989WO1989009132A1 Digital printhead energy control system
10/04/1989EP0335699A2 Replaceable ink jet cartridge and ink jet apparatus having the same
10/04/1989EP0335553A2 Self-scanning light-emitting element array
10/04/1989EP0335473A1 High-resolution thermal printhead and method of fabrication
10/04/1989EP0335257A2 Dot-matrix impact printer
10/04/1989EP0335211A2 Printer with enhanced multiple font capability
10/04/1989EP0335087A2 High performance ink jet print head for use in a high speed printer
10/04/1989EP0334928A1 Scan-multiplexed light valve printer with band-reducing construction
10/04/1989EP0334916A1 Compliant head loading mechanism for thermal printers
10/04/1989CN1035983A Device for receiving combination of two variable volume chambers and plurality of valves for supply circuit of ink jet printing head
10/04/1989CN1035981A Manufactural method of printing original edition plate with ordinary soft material through heat induction
10/03/1989US4872028 Thermal-ink-jet print system with drop detector for drive pulse optimization
10/03/1989US4872027 Printer having identifiable interchangeable heads
10/03/1989US4872024 Print inspection method, print inspection apparatus and automatic print sorting system
10/03/1989US4871271 Printing head for a wire dot printer
10/03/1989US4871270 Method of printing modified characters by means of a matrix printer
10/03/1989CA1262074A1 Ribbon transfer for color-on-demand resistive ribbon printing
09/1989
09/28/1989DE3906630A1 Kombinierte elektrografische druck-, kopier- und telefax-einrichtung mit duplex-einheit Combined electrographic print, copy and fax-device with duplex unit
09/28/1989DE3822890A1 Cooling arrangement for an optical character generator