| Patents for B41J 9 - Hammer-impression mechanisms (955) |
|---|
| 10/05/1982 | US4352576 Serial printer having a single drive motor |
| 09/28/1982 | US4351618 Selection controlled print impression control for single element impact printers |
| 09/28/1982 | US4351235 Dot printing mechanism for dot matrix line printers |
| 09/14/1982 | US4349283 Hammer for dot matrix printer |
| 09/14/1982 | CA1131787A1 High speed dual pitch impact printer |
| 09/07/1982 | US4348119 Bounce control system for moving coil printing element |
| 09/07/1982 | US4347786 Impact printer hammer flight time and velocity sensing means |
| 08/24/1982 | US4345846 Impact printer with dual helix character print elements |
| 08/10/1982 | US4343239 Electromagnetic release mechanism for print hammers or the like |
| 08/10/1982 | CA1129246A1 Print hammer mechanism having dual pole pieces |
| 08/05/1982 | WO1982002517A1 Print hammer for printers and typewriters |
| 08/05/1982 | WO1982002516A1 Printing device |
| 07/27/1982 | CA1128448A1 Print hammer control |
| 07/13/1982 | US4339702 Stepping motor drive apparatus |
| 07/07/1982 | EP0055526A2 A hammer control device for a band printer |
| 07/07/1982 | EP0055329A1 Electrostatic clutch-operated printing mechanism |
| 07/06/1982 | US4337697 Serial printer |
| 06/22/1982 | CA1126087A1 High speed printer hammer assembly |
| 06/16/1982 | EP0053682A2 Print hammer actuating device for a type chip cartridge printer |
| 06/15/1982 | US4335460 Printer system having parity checking of print hammers using software control |
| 06/08/1982 | US4333398 Driving force control system for impact printer |
| 06/08/1982 | CA1125087A1 Impact print head |
| 06/01/1982 | US4332489 Print hammer actuating device |
| 06/01/1982 | CA1124882A1 Circuit arrangement for synchronizing the times of occurrence of the print hammer impact with the arrival of the print type at the print position |
| 06/01/1982 | CA1124780A1 Low energy magnetic actuator |
| 06/01/1982 | CA1124779A1 Magnetic actuator using modulated flux |
| 05/26/1982 | EP0052202A1 Drive for a printing hammer |
| 05/25/1982 | CA1124135A1 All-points addressable dot printer |
| 05/18/1982 | US4329921 Damping device for an electromagnetically driven printing hammer |
| 05/04/1982 | US4327639 Print hammer assembly with multi-location impacts |
| 05/04/1982 | US4327638 Magnetically actuated equipment |
| 04/27/1982 | US4326814 Document printing device having a platen with character segments thereon |
| 04/27/1982 | US4326459 Hammer lock releasing mechanism for a printing device |
| 04/14/1982 | EP0049352A1 Impact printer having readily replaceable rotary print member |
| 04/14/1982 | EP0049351A1 Impact printer with dual helix character print elements |
| 04/13/1982 | US4324497 Print hammer assembly with amplified multi-location impacts |
| 03/31/1982 | EP0048290A1 Bank for the receipt of several print hammer units |
| 03/24/1982 | EP0047883A2 Dot printing device, particularly for matrix line printers |
| 03/16/1982 | US4319849 Print hammer for high speed impact printer |
| 03/09/1982 | CA1119732A1 Variable print-hammer control for on-the-fly printing |
| 03/02/1982 | US4317412 Control system and method for testing print hammers in a high speed printer |
| 03/02/1982 | CA1119119A1 Method of operating and arrangement for a contactless holding system for electromagnetic trigger devices |
| 02/09/1982 | US4315297 Hammer drive safety device for printer |
| 02/03/1982 | EP0044944A2 Shift-sensitive dual-velocity mechanism for a single print element printer |
| 01/19/1982 | US4311400 Shift sensitive dual velocity mechanism for a printer |
| 01/13/1982 | EP0043664A1 Impact printers |
| 01/05/1982 | US4308794 Hammer assembly for a serial typing device |
| 12/30/1981 | EP0042511A2 Control system and method for testing the operation of print hammers |
| 12/23/1981 | EP0042032A2 Method for controlling the flight time of a print hammer in an impact printer and impact printer embodying the method |
| 12/16/1981 | EP0041805A2 A striker mechanism for a high speed serial printer |
| 12/15/1981 | CA1114516A1 Apparatus for synchronizing carrier and rotatable print disk positions in on-the-fly printing |
| 12/08/1981 | US4304495 Print hammer in dot printer |
| 11/24/1981 | US4302117 High speed variable intensity printing system |
| 11/24/1981 | US4302114 Electromagnetic wire printer |
| 11/03/1981 | US4297944 Print hammer driving means for impact printers |
| 10/27/1981 | CA1111309A1 Printer for different character densities |
| 10/13/1981 | CA1110494A1 Printhead compensation arrangement for printer |
| 10/06/1981 | US4293888 Print hammer drive circuit with compensation for voltage variation |
| 09/23/1981 | EP0036112A1 Hammer impact printer |
| 09/22/1981 | US4290356 Actuator mechanism for a print hammer or the like |
| 09/08/1981 | CA1108470A1 Hammer for impact printer |
| 09/02/1981 | EP0034774A1 Hammer bank assembly |
| 09/01/1981 | US4286517 Printer magnetic interference prevention system |
| 09/01/1981 | US4286516 Electronic control for timing hammers in impact printers |
| 08/05/1981 | EP0033067A1 Printer system |
| 08/05/1981 | EP0033025A2 Printing apparatus |
| 07/28/1981 | US4280404 Printer having variable hammer release drive |
| 07/28/1981 | CA1105770A1 Hammer energy impact control using read only memory |
| 07/14/1981 | US4278358 Type carrier with impression control formation |
| 07/14/1981 | US4278021 Magnetic interference prevention system |
| 07/14/1981 | US4278019 All-points addressable dot printer |
| 07/14/1981 | US4278018 Printing means |
| 07/08/1981 | EP0031441A2 Print hammer for high speed impact printer |
| 07/08/1981 | EP0031401A2 Print velocity control apparatus for single element impact printers |
| 06/16/1981 | US4273039 Impact printing apparatus and method using reluctance switching and a closed loop drive system |
| 05/26/1981 | US4269118 Print hammer assembly method |
| 05/26/1981 | US4269117 Electro-magnetic print hammer |
| 05/20/1981 | EP0028707A1 Electrostatic clutch |
| 05/13/1981 | EP0028539A2 Print hammer assembly |
| 05/13/1981 | EP0028314A2 Device for electromagnetic release, especially for actuating print hammers |
| 04/21/1981 | US4262592 Hammer drive apparatus for impact printer |
| 04/08/1981 | EP0026652A1 Device for character alignment in a serial printer |
| 04/08/1981 | EP0026387A1 Method of operating an impact printer having hammer flight time and velocity sensing means |
| 04/07/1981 | US4259903 Circuit arrangement for synchronizing the times of occurrence of the print hammer impact with the arrival of the print type at the print position |
| 04/07/1981 | CA1099026A1 Stylus printer |
| 03/31/1981 | US4258623 Print hammer mechanism having dual electromagnetic coils and pole pieces |
| 03/11/1981 | EP0024619A1 Damping device for the electromagnetic print hammer drive in a print-hammer arrangement |
| 03/10/1981 | US4254705 Printing magnet drive device |
| 03/03/1981 | CA1096802A1 Coded printing element and apparatus for use thereof |
| 02/18/1981 | EP0024049A1 Hammer bank assembly having a backstop screw tip strip, and process for its manufacture |
| 02/17/1981 | US4250807 High speed printer with stain preventing member between alternately spaced hammers |
| 02/17/1981 | CA1095977A1 Method of manufacturing an electromagnet |
| 02/03/1981 | US4248148 Time shared shifting print hammer assembly |
| 02/03/1981 | CA1094882A1 Print hammer for type printers |
| 01/28/1981 | EP0023153A1 Print hammer mechanism |
| 01/21/1981 | EP0022480A1 Electromagnetic print hammer actuator mechanism |
| 01/21/1981 | EP0022466A1 Dot matrix printer with striking edges mounted on the outer surface of a rotating printing drum |
| 01/14/1981 | EP0022340A1 Print hammer construction |
| 01/13/1981 | US4244288 Flying printer |
| 01/13/1981 | CA1093382A1 Matrix print wire solenoid |