Patents for B41J 19 - Character- or line-spacing mechanisms (3,869)
06/1981
06/17/1981EP0030271A2 Antinoise structure
06/02/1981US4270868 Digital pulse-width modulated printer escapement control system
05/1981
05/20/1981EP0028721A2 Ink jet printer for printing from right to left or from left to right
05/19/1981US4268177 Paper thickness adjusting mechanism for impact printer
05/19/1981CA1101354A1 Serial printer with cable tensioning apparatus
05/05/1981US4265555 Dual pitch carriage drive mechanism
05/05/1981US4265551 Drive for transporting and reversing an ink ribbon, and for withdrawing the printing head in printing devices
05/05/1981CA1100565A1 Interlacing recorder
04/1981
04/29/1981EP0027590A1 Arrangement for a dot matrix printer to print proportionally spaced characters
04/29/1981EP0027564A2 Partial line turnaround device for printers
04/28/1981US4264220 Printwheel homing apparatus
04/21/1981CA1099818A1 Method and apparatus for setting and varying margins and line spacing on data printers
04/08/1981EP0026303A2 Line adjustment apparatus in a text processing system
04/08/1981EP0026286A1 Hyphen code converting process for a text processing system
04/07/1981US4260268 Device for driving dot printing bars in a dot printer
04/01/1981EP0025893A2 Method and arrangement for the adjustment of printing positions on a record carrier
03/1981
03/31/1981US4259626 Servo control system operable on digital basis with limit cycle suppressed
03/31/1981US4259026 Dot printer having concentric driving cams
03/25/1981EP0025490A1 Ink jet printer comprising an inertia device for inclination of the electric deflection field
03/24/1981US4257711 Proportional spacing impact printing apparatus
03/24/1981US4257282 Transport system for a dot matrix printing mechanism
03/19/1981WO1981000694A1 Apparatus for advancing a record medium
03/17/1981CA1097580A1 Ribbon feed mechanism and correction tape feed mechanism for a typewriter
03/11/1981EP0024786A2 Printing apparatus
03/11/1981EP0024429A1 Linear actuator
03/10/1981US4255063 Electromagnetic line spacing device
02/1981
02/24/1981US4252452 Arabic language typewriter
02/24/1981US4252451 Print point reposition feature for an electronic typewriter
02/17/1981US4250808 Printer
02/04/1981EP0023267A2 Printer control device
02/03/1981US4248415 Apparatus for feeding sheets of paper from a magazine to a printing office machine
02/03/1981US4248147 Control system for dot matrix line printer using one print element per character
01/1981
01/27/1981US4247214 Character position control for a matrix printer
01/27/1981US4247212 Printer flaten clutch
01/20/1981US4246589 Inertial deflection field tilting for bi-directional printing in ink jet printers
01/20/1981US4245917 Linear actuator driven printer
01/13/1981US4244291 Printer with a fixed and an axially movable character ring
01/07/1981EP0021966A1 Ultrasonic-radar printer
01/07/1981EP0021965A1 Printer with linear motor
01/07/1981EP0021099A1 Multiple pitch escapement and backspace mechanism for a moving paper carriage typewriter
01/07/1981EP0020977A1 Daisy-wheel printer carriage
01/06/1981US4243331 Apparatus for adjusting a carriage relative to a platen
01/06/1981CA1092892A1 Dual pitch impact printing mechanism
12/1980
12/30/1980US4242006 Adjustable media advancement mechanism
12/30/1980US4241655 Printer with indexed orientation of print head relative to web movement
12/16/1980US4239405 Form aligning knob
12/16/1980US4239403 Counterbalanced bidirectional shuttle drive
12/10/1980EP0020212A1 Printer having a mechanism for transversal movement of a platen-supported recording material relative to a printhead
12/10/1980EP0019694A2 Processor controlled printing device and operation thereof
11/1980
11/27/1980WO1980002534A1 Self-propelled carriage assembly for printers and the like
11/25/1980US4235556 Platen variable
11/25/1980US4235167 High speed dual pitch impact printer
11/18/1980CA1089999A1 Bidirectional ink jet printer
11/18/1980CA1089921A1 Printer with moving printing head
11/18/1980CA1089792A1 Escapement mechanism for typewriters
11/12/1980EP0018957A1 A device for moving a printing member in an office printing machine
11/11/1980US4232975 Print hammer control
10/1980
10/15/1980EP0016995A2 Wire head guiding and driving mechanism for a wire printer
10/14/1980CA1087541A1 Record media advancing mechanism
10/07/1980CA1087030A1 Printers
09/1980
09/30/1980US4225251 Electro-mechanical printing apparatus
09/30/1980US4225249 Variable character spacing matrix for proportional spacing printing systems
09/23/1980CA1086232A1 Apparatus for selectable font printing
09/23/1980CA1086133A1 Incremental line printer
09/09/1980CA1085426A1 Paper transport mechanism for transporting single as well as endless forms in a printer unit
09/04/1980WO1980001861A1 Linear actuator
09/03/1980EP0015158A1 Control unit for a serial printer
09/03/1980EP0014948A1 Printer and process for producing a typescript with even character spacings
08/1980
08/26/1980US4219280 Wire printer
08/26/1980CA1084436A1 Typing machine
08/19/1980US4218151 Serial impact calculator printer
08/19/1980CA1084101A1 Circuitry for perfecting ink drop printing at nonlinear carrier velocity
08/19/1980CA1083884A1 Cam drive for matrix print heads and the like
08/12/1980US4217057 Printer paper feed assembly including means for facilitating manual paper advance
08/12/1980CA1083412A1 Selectable dual ratchet feed for a printer platen
08/06/1980EP0013717A1 Control device and system for the print hammer in a rotating type-disc printer
08/05/1980US4216415 Position control system comprising a digital algebraic adder circuit
08/05/1980US4215944 Single keylever multiple action control for typewriters
07/1980
07/23/1980EP0013311A1 Method and apparatus for controlling the movement of a print head assemblage of a serial printer
07/15/1980US4212554 Paper-feeding apparatus for a printer
07/01/1980US4210404 Printhead compensation arrangement for printer
06/1980
06/17/1980US4208142 Print head locating utilizing sonic techniques
06/17/1980US4208141 Serial printer with cable tensioning apparatus
06/17/1980US4208139 Carriage position control in a printer of the carriage traveling mode
06/17/1980US4208137 Position sensing for matrix printer
06/17/1980CA1079671A1 Semi-automatic centering control
06/03/1980CA1078770A1 Lateral position control means for data printer heads
05/1980
05/27/1980US4205323 Paper feed control
05/27/1980US4204777 Matrix printer control system
05/20/1980US4203680 High-speed printer with self-adjusting cable preload mechanism
05/20/1980US4203679 Print head control
05/20/1980US4203678 Electronic control circuit for a high speed bidirectional printer
05/15/1980WO1980000944A1 An apparatus for producing imprints along a line on a recording medium
05/06/1980US4201423 Synchronized traveling carriage assembly
05/06/1980CA1077108A1 Resilient mount for the driving shaft of an impact matrix printer and the like
05/01/1980WO1980000817A1 Drive and transmission mechanism of motions for a typewriter
04/1980
04/30/1980EP0010199A1 Printer escapement control system
04/30/1980EP0010102A1 Shock absorbing stop mechanism.
04/30/1980EP0010100A1 Setting device of line start in a typewriter
04/29/1980US4200402 Carriage guide for typing element carrier
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