| Patents for B41J 19 - Character- or line-spacing mechanisms (3,869) |
|---|
| 04/15/1980 | US4198170 Single element typing for left to right or right to left letter feeding |
| 04/15/1980 | CA1075631A1 Serial printer with linear motor drive |
| 04/02/1980 | EP0009291A1 A device for indicating the position of a printer carriage |
| 04/01/1980 | US4195940 Line control for platen printing devices |
| 04/01/1980 | US4195938 Lateral position control means for data printer heads |
| 03/25/1980 | CA1074181A1 Descender printing system for dot matrix printer |
| 03/18/1980 | US4194144 Constant velocity driving means |
| 03/18/1980 | CA1073836A1 Guide for a printing head of a printing device |
| 03/11/1980 | CA1073391A1 Guide for a printing head of a printing device |
| 01/29/1980 | US4185931 Circuit arrangement for determining the position of a printer carriage in printer devices |
| 01/29/1980 | US4185930 Print position control in a printer including a printer head mounted on a traveling carriage |
| 01/09/1980 | EP0006479A1 Device for synchronizing the carrier and rotatable printing disk positions in an on-the-fly printer |
| 01/09/1980 | EP0006143A1 Carriage drive for printer or teleprinter |
| 01/01/1980 | US4181444 Device for printing out indices and powers in typewriters |
| 01/01/1980 | US4181443 Drive mechanism for a reciprocating printer carriage |
| 12/25/1979 | US4180335 High speed serial printer |
| 12/18/1979 | US4179223 Printer center sensing mechanism |
| 12/11/1979 | US4178108 Apparatus for space synchronizing carrier and rotatable print disk positions in on-the-fly printing |
| 12/11/1979 | CA1067985A1 Velocity command signal generating apparatus |
| 12/04/1979 | US4177471 Carriage and raceway mechanism for an ink jet printer |
| 12/04/1979 | US4176977 Proportional carrier control and moving mechanism for electric typewriter |
| 12/04/1979 | CA1067441A1 Linear motion print element carrier apparatus |
| 12/04/1979 | CA1067440A1 Print member carriage assembly |
| 11/27/1979 | US4175876 Drive mechanism for printer |
| 11/27/1979 | CA1066949A1 Impact line printer having graphics plotting capability |
| 11/06/1979 | US4173273 Printer device |
| 10/30/1979 | US4172672 Device for facilitating location of the printing point and/or correction of characters |
| 10/02/1979 | US4169991 Variable print speed control |
| 09/25/1979 | CA1063034A1 Control apparatus for serial printer |
| 09/25/1979 | CA1063032A1 Signal priority logic for serial printer |
| 09/11/1979 | CA1062167A1 Method and apparatus for multiple speed print rate control for dot matrix printer |
| 09/04/1979 | US4167014 Circuitry for perfecting ink drop printing at varying carrier velocity |
| 09/04/1979 | US4167013 Circuitry for perfecting ink drop printing at nonlinear carrier velocity |
| 08/28/1979 | CA1061272A1 Ball and groove motion converting apparatus and typewriter selection apparatus embodying same |
| 08/28/1979 | CA1061253A1 Variable print speed control |
| 08/23/1979 | WO1979000601A1 Shock absorbing stop mechanism |
| 08/23/1979 | WO1979000599A1 Setting device of line start in a typewriter |
| 08/21/1979 | CA1060706A1 Dot matrix printer |
| 07/31/1979 | CA1059460A1 Word underscore (enhanced underscoring methods and means for automatic typewriter and the like employing hammer-type impact printing mechanism) |
| 07/11/1979 | EP0002796A1 Sheet or web feeding device for a printing apparatus |
| 07/10/1979 | CA1058107A1 Carriage stabilization means for a serial printer |
| 07/03/1979 | US4159882 High quality printer |
| 06/19/1979 | CA1056753A1 Open-loop d.c. motor control of printer carriage speed |
| 06/19/1979 | CA1056752A1 Printing apparatus having improved spacing means |
| 06/12/1979 | CA1056323A1 Tape advance mechanism |
| 05/08/1979 | US4152981 Dual pitch impact printing mechanism and method |
| 05/08/1979 | CA1053969A1 Carrier traverse control for a serial printer |
| 05/01/1979 | CA1053777A1 Differential capacitive position encoder |
| 04/24/1979 | CA1053072A1 Matrix printer incorporating intermittent ink ribbon transport |
| 04/18/1979 | EP0001472A1 Method and apparatus for generating alpha-numeric characters for an impact matrix printer |
| 04/17/1979 | US4149810 Carriage return device |
| 04/17/1979 | US4149808 Linear drive for a printing apparatus |
| 04/17/1979 | CA1052721A1 Automatic single and repeat function mechanism for typewriters |
| 04/17/1979 | CA1052720A1 Carriage retarding means |
| 04/03/1979 | US4147967 Apparatus and method for controlling the velocity of a moveable member |
| 03/27/1979 | US4146922 Constant velocity driving means |
| 03/27/1979 | CA1051364A1 Ribbon cartridge for automatic typewriter function |
| 03/20/1979 | US4145145 Guide for a printing head of a printing device |
| 03/13/1979 | US4143980 Shifting arrangement for exact space positioning of a writing carriage in typewriters |
| 03/13/1979 | CA1050465A1 Automatic function mechanism for typewriters |
| 03/13/1979 | CA1050464A1 Ribbon cartridge for automatic typewriter function |
| 03/13/1979 | CA1050463A1 Automatic function mechanism for typewriters |
| 03/06/1979 | US4143382 Battery operated electronic alphanumeric permanent recording instrument, such as recording pocket calculator |
| 02/20/1979 | CA1048953A1 Printing apparatus |
| 01/30/1979 | CA1047429A1 Random access line printer |
| 01/24/1979 | EP0000413A1 Drive mechanism for printers, either for progressing or reversing an ink ribbon, or for retracting the printing head |
| 01/16/1979 | CA1046445A1 High speed reversing drive mechanism |
| 01/09/1979 | US4133422 Typing machine |
| 12/26/1978 | US4131898 Interlacing recorder |
| 12/19/1978 | CA1044812A1 Right hand margin zone control system |
| 12/05/1978 | CA1043727A1 Printing device comprising a distance roller |
| 12/05/1978 | CA1043726A1 Serial impact calculator printer |
| 11/14/1978 | USRE29832 Printing mechanism |
| 10/31/1978 | US4123182 Cam drive for matrix print heads and the like |
| 10/31/1978 | US4122770 Series printer |
| 10/17/1978 | US4120593 Line-spacing system for printing office machines |
| 10/03/1978 | CA1039661A1 Acceleration control system for high speed printer |
| 09/26/1978 | US4116568 Carriage driving mechanism for printer |
| 09/19/1978 | US4115014 Impact printer driveshaft gear and bearing assembly |
| 09/19/1978 | US4114750 Printer system having local control for dynamically alterable printing |
| 09/12/1978 | US4113081 Mechanism for actuating a member of a typewriter |
| 09/12/1978 | US4112840 Driving device for a print head |
| 08/22/1978 | US4108297 Guide for a printing head of a printing device |
| 08/01/1978 | US4103766 Control apparatus for serial printer |
| 07/18/1978 | US4101224 Escapement mechanism for typewriters |
| 07/18/1978 | US4101006 Carrier traverse control for a serial printer |
| 05/30/1978 | US4091911 Control apparatus for serial printer |
| 05/23/1978 | US4090410 Paper feeding mechanism |
| 05/16/1978 | US4089569 Resilient mount for the driving shaft of an impact matrix printer and the like |
| 04/18/1978 | US4084681 Drive system for writing carriages in printing systems |
| 04/18/1978 | US4084680 Enhanced underscoring methods and means for automatic typewriter and the like employing hammer-type impact printing mechanism |
| 03/21/1978 | US4079824 Double speed dot matrix printhead |
| 03/14/1978 | US4079298 Open-loop D.C. motor of printer carriage speed |
| 03/07/1978 | US4077336 Printing device for high speed printers |
| 02/28/1978 | US4076111 Registration means for printers and the like |
| 02/07/1978 | US4072101 Linear actuator printer carriage |
| 01/17/1978 | US4069485 Bidirectional ink jet printer with moving record receiver |
| 01/10/1978 | US4067430 Typewriter carriage movement mechanism |
| 12/27/1977 | US4064985 Selectable dual ratchet feed for a printer platen |
| 12/13/1977 | US4062436 Matrix head calculator printer |