| Patents for G01D 15 - Component parts of recorders for measuring arrangements not specially adapted for a specific variable (3,259) |
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| 04/09/1991 | CA1282636C Apparatus and method for controlling a thermal printer apparatus |
| 04/03/1991 | EP0244441B1 Apparatus and method for controlling a thermal printer apparatus |
| 04/03/1991 | CN1050353A Recording head with cover |
| 04/03/1991 | CN1050352A Ink jet recording head, cartridge and apparatus |
| 03/27/1991 | EP0419191A1 Liquid jet recording head and liquid jet recording apparatus having same |
| 03/27/1991 | EP0418828A1 Recording head with cover |
| 03/26/1991 | US5003327 Printer autocontrast control |
| 03/26/1991 | US5003325 Electric field paper stabilizing system for an electrographic plotter, printer or the like |
| 03/20/1991 | EP0417285A1 Electric drop-jet generator |
| 03/19/1991 | US5001691 High density optical storage device |
| 03/13/1991 | EP0416056A1 Ink supply system for an ink jet head. |
| 03/06/1991 | EP0414796A1 A drawing or cutting machine of the plotter type and with means for advancing a working web from a supply reel |
| 03/06/1991 | CN2072674U Pitch arc motor driven mechanism of meter indicator record pen |
| 02/26/1991 | US4995940 Method for forming a gas removing device for an ink jet system |
| 02/20/1991 | EP0413413A2 Thermal head printer |
| 02/19/1991 | US4994823 Color striping thermal printer |
| 02/13/1991 | EP0412459A2 Ink jet recording apparatus and ink cartridge for the apparatus |
| 02/12/1991 | US4992803 Simultaneous laser writing of multiple LALC cells |
| 02/12/1991 | US4991300 Lead automatic supply device for X-Y plotter |
| 02/05/1991 | US4990940 Disengagement and retrieval mechanism for a record |
| 01/30/1991 | CN1048913A Electric drip jet generator and its adjusting method |
| 01/22/1991 | USRE33525 Multicolor thermal printing |
| 01/16/1991 | EP0407469A1 Process and device for non-intrusively, continuously and automatically taking, storing and supplying analysis samples and data for future evaluation. |
| 01/15/1991 | US4985852 Method of and apparatus for driving a dot array recorder |
| 01/15/1991 | US4985716 Apparatus for generating ions using low signal voltage |
| 01/15/1991 | CA1279049C Plotter pen |
| 01/09/1991 | EP0407153A2 Electrostatic printer |
| 01/02/1991 | EP0405769A1 Unattended replacement of plotter pens |
| 01/02/1991 | CA1278460C Multitone ink jet printer and method of operation |
| 12/29/1990 | CA2009499A1 Unattended plotter pen replacement |
| 12/19/1990 | EP0402426A1 Dual mode ink jet printer. |
| 12/18/1990 | US4978979 Wheel supported carriage for a scanning plotter |
| 12/18/1990 | US4978118 Paper sheet transporting method that applies an electrostatic attractive force between a paper sheet and a reinforcing insulating sheet prior to feeding |
| 12/12/1990 | CN1010804B Colour dot recorder |
| 12/05/1990 | EP0400955A2 Acoustic ink printing |
| 11/20/1990 | US4971408 Remelting of printed hot melt ink images |
| 11/14/1990 | EP0396819A2 Passive paper takeup for rolled paper |
| 11/13/1990 | US4970662 X-Y plotter |
| 11/07/1990 | EP0396315A1 Thermal ink jet printhead with bubble generating heating elements |
| 10/31/1990 | EP0395448A2 Electrostatic print head |
| 10/31/1990 | EP0395006A2 Display composition, coloring pigment, and recording material |
| 10/24/1990 | EP0393320A1 Feeding system for capillary liquid applicators |
| 10/16/1990 | US4963217 Method of making a planar work surface |
| 10/09/1990 | US4962388 Bidirectional feed mechanism of a fetal monitor printer |
| 10/09/1990 | US4962385 Exposure controlled imaging system |
| 10/03/1990 | EP0390427A1 Nozzle drive control system and method for ink jet printing |
| 10/02/1990 | US4961081 Ink feeding mechanism for ink jet printers |
| 10/02/1990 | US4960336 Apparatus and method for calibrating printing at a specified distance from a document edge |
| 09/25/1990 | US4959040 Method and apparatus for precisely positioning and stabilizing a continuous belt or web or the like |
| 09/20/1990 | WO1990010846A1 Electric drop-jet generator |
| 09/20/1990 | WO1990010845A1 Ink supply system for an ink jet head |
| 09/20/1990 | DE3908351A1 Cutting device for computer-controlled drafting machines |
| 09/18/1990 | US4958170 Multiple film width transport adaptor |
| 09/11/1990 | US4956654 Liquid injection recording head with flexible support |
| 09/11/1990 | US4956652 Pen selection mechanism for a printer |
| 09/05/1990 | CN1009501B Pen recorder |
| 09/04/1990 | US4954842 Diamond pen type marking device for substrates |
| 09/04/1990 | CA1273615A1 Plotter and aligning method |
| 08/29/1990 | EP0384783A1 Method of manufacturing a ribbon for non-impact printing of documents |
| 08/29/1990 | EP0384590A2 Mechanical plotter pencil and methods of advancing lead therein |
| 08/28/1990 | US4952950 Paper transport and paper stabilizing system for a printer plotter or the like |
| 08/23/1990 | WO1990009566A1 Electric drop-jet generator |
| 08/22/1990 | CN1044854A Recording head |
| 08/21/1990 | US4951067 Controlled ink drop spreading in hot melt ink jet printing |
| 08/21/1990 | US4951063 Pyrolytic silicon nitride insulative layer |
| 08/21/1990 | US4950904 Radiation image read-out apparatus |
| 08/07/1990 | US4947193 Thermal ink jet printhead with improved heating elements |
| 08/01/1990 | EP0380073A2 Layered material |
| 07/27/1990 | CA2008550A1 Composite structure |
| 07/25/1990 | EP0379334A2 Resistive sheet transfer printing and electrode head |
| 07/24/1990 | US4943817 Adaptor for universal X-Y plotter pen |
| 07/18/1990 | EP0378350A2 Paper sheet transporting method |
| 07/18/1990 | EP0378291A2 Recording apparatus |
| 07/18/1990 | CN1008802B Manufactural method of printing original edition plate with ordinary soft material through heat induction |
| 07/12/1990 | WO1990007747A1 System of operating an automatic plotter |
| 07/10/1990 | US4940995 Removal of dissolved gas from ink in an ink jet system |
| 06/27/1990 | EP0375430A2 Flying spot scanners |
| 06/27/1990 | CN1043389A Liquid jet recording base sheet and recording head using same base sheet and recorder using same recording head |
| 06/26/1990 | US4937598 Ink supply system for an ink jet head |
| 06/26/1990 | US4937594 Recording pen |
| 06/26/1990 | US4937590 Thermal printing head and controller using past present and future print data to generate micropulse patterns |
| 06/20/1990 | EP0373889A2 Multiple source charged particle generation |
| 06/19/1990 | US4935750 Sealing means for thermal ink jet printheads |
| 06/12/1990 | US4933876 System of operating an automatic plotter |
| 05/31/1990 | WO1990005893A1 Hot melt ink printing |
| 05/31/1990 | WO1990005892A1 Removal of dissolved gas from ink in an ink jet system |
| 05/29/1990 | US4930090 Pen recorder moved according to a digital servo controller |
| 05/29/1990 | US4929967 Exposure device using CRT as exposure light source |
| 05/29/1990 | US4929109 Ink cartridge |
| 05/22/1990 | US4928122 Exposure head |
| 05/22/1990 | US4928121 Universal plotter pen having improved marking fluid flow characteristics |
| 05/22/1990 | US4928117 Thermal printout density control |
| 05/22/1990 | US4928116 Ink jet printer having improved print head heater construction |
| 05/22/1990 | US4928115 Continuous ink jet printer having remotely operable print head assembly |
| 05/22/1990 | US4928114 Air skiving system for ink jet printer start-up |
| 05/22/1990 | US4928113 Constructions and fabrication methods for drop charge/deflection in continuous ink jet printer |
| 05/22/1990 | US4928112 Ink curing apparatus |
| 05/22/1990 | US4928111 Method for operating a valve |
| 05/22/1990 | US4927766 Gas constituent measurement and recording |
| 05/17/1990 | WO1990005324A1 Photoplotting apparatus |