Patents for G03G 19 - Processes using magnetic patterns; Apparatus therefor (443)
06/1985
06/12/1985EP0144199A2 Cleaning apparatus for a magnetographic recording head
06/11/1985US4522488 Cleaning apparatus for a magnetographic printing device
06/11/1985CA1188804A1 Multiple head magnetic recording array
05/1985
05/22/1985EP0142446A1 Development apparatus for latent magnetic images
05/21/1985US4519000 Magnetographic carriage printer
05/21/1985US4518970 Method for forming a latent image and apparatus for carrying out the same
05/14/1985US4517268 Process for magnetic image character recognition
05/07/1985US4515880 Reflex imaging process with magnetic images
05/02/1985EP0139506A2 Multi-directional field annealing of a thin-film electromagnetic read/write head
04/1985
04/30/1985US4514484 Powder for developing latent images and a method of producing the powder
03/1985
03/05/1985US4503440 Thin-film magnetic writing head with anti-saturation back-gap layer
03/05/1985US4503438 Method of erasing magnetic latent image in thermo-magnetic recording
02/1985
02/28/1985WO1985000918A1 Method and apparatus for hydrodynamic magnetic recording
01/1985
01/30/1985EP0132334A2 Thermoremanent magnetic imaging method
01/30/1985EP0039728B1 Magnetic printing head having a high signal-to-noise ratio
01/29/1985US4497007 Magneto-optical storage process
01/15/1985US4494125 In an imaging system
01/08/1985US4492178 Apparatus for applying solid developer particles to the recording element of a non-impact printer
12/1984
12/18/1984US4489332 Information recording method and apparatus
10/1984
10/30/1984US4480258 Magnetic recording medium
10/16/1984CA1176051A1 Magnetic toner transfer apparatus
09/1984
09/19/1984EP0118969A1 Differential-permeability field-concentrating magnetic read/write head
09/12/1984EP0118169A1 Thin-film magnetic writing head with anti-saturation back-gap layer
09/04/1984US4470051 Multiple head magnetic recording array
08/1984
08/21/1984CA1172894A1 Process for generating a latent magnetic image
08/07/1984US4464672 Electrographic recording apparatus
08/07/1984US4464667 Image resolution
07/1984
07/10/1984US4459598 Image recording method
07/03/1984US4458252 Magnetic image recording device
06/1984
06/05/1984US4453170 Image forming apparatus with vibration compensation
05/1984
05/29/1984CA1168296A1 Magnetic imaging system
05/29/1984CA1168114A1 Development method and apparatus
05/23/1984EP0109319A1 Magnetic printing method and transfer sheet for documents
05/15/1984US4449133 Process and machine for magnetographic printing (IV)
05/15/1984US4449132 Process and machine for magnetographic printing (II)
05/15/1984US4449131 Process and machine for magnetographic printing (III)
05/15/1984US4449130 Process and machine for magnetographic printing (I)
05/08/1984CA1166901A1 Magnetic toner transfer method and apparatus
02/1984
02/08/1984EP0100246A1 Device for removing excessive developer material from the surface of a recording member
02/01/1984EP0099763A1 Toner powder applicator on the imaging roller of a non-impact printer
01/1984
01/25/1984EP0099132A2 High image resolution magnetography
01/24/1984US4427987 Magnetic latent image forming apparatus
01/11/1984EP0097954A1 Electrostatic printing process
12/1983
12/28/1983EP0096977A1 Electrographic recording apparatus
12/20/1983CA1158915A1 Magnetic imaging method in which a developed image is pressure transferred from the surface of an overcoated electroconductive material
11/1983
11/15/1983US4415906 Magnetic recording heads
11/09/1983EP0093113A1 Magnetic toner transfer method and apparatus
11/08/1983US4414554 Magnetic imaging apparatus
10/1983
10/25/1983US4412263 Recording head protective overlay and cleaning arrangement
10/25/1983US4411512 Magnetic toner transfer apparatus
10/11/1983US4409598 Magnetic imaging
10/07/1983EP0079954A4 Improvements in magnetographic recording.
10/04/1983US4408210 Paper feed and fusing assembly for magnetographic printing apparatus
09/1983
09/20/1983US4405960 Magnetographic recording heads
09/06/1983US4403226 Thermal magnetic tape duplication method employing a reflex imaging member
08/1983
08/23/1983EP0093113A4 Magnetic toner transfer method and apparatus.
08/09/1983US4397929 Thermomagnetography
07/1983
07/27/1983EP0084047A1 Magnetic recording heads
07/26/1983US4395470 Process of forming magnetic latent images
07/20/1983EP0083935A1 Magnetic printing plate with protective coating
07/20/1983EP0083635A1 Apparatus and method for separating adhering media electrostatically
07/12/1983US4393389 Magnetic toner transfer method and apparatus
07/05/1983US4392179 Apparatus and method for separating adhering media electrostatically
07/05/1983CA1149218A1 Reflex imaging particles using a magnetizable toner which has been subjected to a d.c. magnetizing field
07/05/1983CA1149212A1 Toner composition including magnetic material and polymeric esterification product of 1,4-benzene- dicarboxylic acid polymerized with 1,2,4- benzenetricarboxylic acid-cyclic 1,2 anhydride and 2,2-dimethyl-1,3-propane diol
06/1983
06/29/1983EP0082742A2 Method and device for magnetographic copying
06/29/1983EP0082741A2 Method and device for magnetographic copying
06/29/1983EP0082740A2 Method and device for magnetographic copying
06/29/1983EP0082739A2 Method and device for magnetographic copying
06/01/1983EP0079954A1 Improvements in magnetographic recording
05/1983
05/31/1983US4385822 Method and apparatus for forming and recording composite images
05/24/1983CA1147012A1 Easily assemblable transverse magnetic printing head
05/03/1983US4382264 Magnetic imaging transfer process
04/1983
04/05/1983US4379302 Powdered magnetic ink printing devices
04/05/1983US4378754 Toner applicator system for magnetography
03/1983
03/15/1983CA1142805A1 Magnetic resist printing process
02/1983
02/03/1983WO1983000383A1 Magnetic recording heads
01/1983
01/25/1983US4370661 Easily assembled transverse magnetic printing head
01/20/1983WO1983000219A1 Apparatus and method for separating adhering media electrostatically
01/18/1983US4368687 Method and apparatus for developing magnetic latent image
01/05/1983EP0068330A2 Process for generating a latent magnetic image
12/1982
12/09/1982WO1982004344A1 Improvements in magnetographic recording
12/09/1982WO1982004342A1 Improvements in magnetographic recording heads
11/1982
11/16/1982US4359516 Magnetic resist printing process, composition, and apparatus
09/1982
09/28/1982CA1132399A1 Recording images using radiation absorbing particles in a binder capable of solid-nonsolid transitions
09/22/1982EP0060477A1 Magneto-optical recording method
09/21/1982CA1132176A2 Magnetic printing process and apparatus
09/07/1982US4348684 Device for removing excess pigment from the surface of the image carrier of a non-impact printing machine
08/1982
08/24/1982US4346156 Photothermography; electrothermography
08/05/1982WO1982002605A1 Magnetic toner transfer method and apparatus
08/03/1982US4343008 Method for creating magnetic masters
07/1982
07/14/1982EP0055992A2 Composition for a toner of a magnetic resist printing process
07/13/1982US4339760 Magnetic printing head having a high signal-to-noise ratio
07/06/1982US4338391 Magnetic resist printing process, composition and apparatus
07/06/1982CA1127303A1 Electronically controlled magnetic recording
06/1982
06/22/1982US4336546 Magnetic printing apparatus
05/1982
05/12/1982EP0051392A1 Magnetic imaging system
05/11/1982US4329694 AC Corona to remove background from the transfer member of a thermomagnetic copier
04/1982
04/06/1982US4323929 Printing process using lithographic plates made from toned amplitude modulated magnetic images
04/06/1982US4323904 Magnetic printing process and apparatus
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