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