| Patent Number |
Title Of Patent |
Date Issued |
| 4075011 |
Electrostatic powder coating method |
February 21, 1978 |
| In an electrostatic powder coating method for coating a plate with electrostatic coating powder after or before the plate is provided with marking lines by electrophotographic print marking process, areas which are preferred to be free from the coating are not applied with the coating |
| 4038545 |
Electrostatic recording process and ionizing radiation image recording method employing the same |
July 26, 1977 |
| Disclosed is an electrostatic recording method for forming an electrostatic latent image on a dielectric electrostatic recording layer provided on a conductive support. The relationship between the thickness d[.mu.m] and the specific dielectric constant .epsilon..sub.s of the electrostat |
| 4030922 |
Image recording method |
June 21, 1977 |
| An image recording method for imagewise modulated radiation comprising: forming electric latent images of a radiation image on two or more recording surfaces and then forming an edge enhanced first image and a second image non-edge enhanced or edge enhanced to a small degree in compa |
| 3982938 |
Photoconductive toners which include photoconductive pigment particles in a charge-transporting |
September 28, 1976 |
| Improved toner particles each comprising an intimate mixture of a photoconductive pigment and an insulating binder capable of transporting charge carriers when the charge carriers are injected therein from the pigment, the proportion of the total volume of the pigment in the toner pa |
| 3967119 |
Corona charging device |
June 29, 1976 |
| A corona charging apparatus including a corona electrode and a surface to be charged, and a corona discharge control line, which may be insulative or conductive, and grounded or impressed with a voltage located adjacent to the corona electrode. The relative geometry of electrode and cont |
| 3965861 |
Separated roller liquid development |
June 29, 1976 |
| An apparatus for development of electrostatic latent images using liquid developers whereby development rollers positioned in development configuration are separated by a conductive fixed member having one surface thereof closely spaced from the latent image bearing member and having |
| 3963487 |
Electrophotographic process using separate photoconductive elements |
June 15, 1976 |
| An electrophotographic process comprising (1) arranging (a) a main photoconductive layer disposed on a conductive base, on the surface of which a charge is uniformly provided, and (b) an auxiliary photoconductive layer, disposed on a light transmissive conductive layer on the surface of |
| 3956755 |
Electrostatic image forming method and apparatus with controlled discharge of the original membe |
May 11, 1976 |
| An electrostatic image forming method, which comprises uniformly charging the surface of an electrostatic image forming material comprising both (1) surface portions each having an insulating surface and on the surface of an insulating support in a pattern-like manner and (2) conductive |
| 3937960 |
Charging device for electrophotography |
February 10, 1976 |
| A charging device for an electrophotographic apparatus wherein at least a first portion of a control plate is movable relative to a corona generating device. A support member having a photoconductive insulating layer is maintained in spaced relationship relative to the corona generat |
