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Patent Searching and Data


Matches 201 - 250 out of 13,322

Document Document Title
WO/1989/009433A1
An electrostatic method is disclosed for providing multicolor imaging from a single toner bath. The toner bath is a blend of individual toners, each of which contains a color precursor different from the others. This invention also relat...  
WO/1989/006375A1
A method and apparatus are provided for precisely registering a flexible web (40) to a stationary rigid support station (22) to accurately and repeatably electrostatically transfer a developed image from a master (48) on the flexible web...  
WO/1989/005999A1
A color electrophotographic method wherein toner images of black, yellow, Magenta and cyan are superposed on a photosensitive material (54) and transferred to a piece of paper at a time. Black is transferred by the contact developing met...  
WO/1989/004510A1
Color toner images are formed and transferred in registry to an intermediate member (8). A first multicolor image is transferred from the intermediate member (8) to the first side of a copy sheet, the copy sheet is inverted and a second ...  
WO1989002615A3  
WO/1989/002615A2
An electrophotosensitive member (2) is uniformly charged and portions to be toned by one type toner are erased. Those portions are filled in with a charge of different potential, for example, a charge of polarity opposite to that of the ...  
WO/1989/001189A1
A toner recycling system (13) having separate supply tank (45) of clear liquid dispersant and tanks (47, 49, 51 and 53) of color concentrate. The liquid dispersant is continuously circulated from its supply tank by a pump (59) along line...  
WO/1988/007706A1
The toner is deposited on a metal sheet or a metal container by electrophotographic units (3),(4),(5), during which the toner is tentatively fixed at a low temperature by a tentative fixing unit (9), and it is finally fixed at a higher t...  
WO/1988/005561A1
A process for producing a reversed image proof from a negative film separation (66) including applying a uniform toner layer (60) to an offset member (46), exposing a charged surface (20) through the film separation (66) to produce unexp...  
WO1988003669A1
Un colorant électrostatique liquide comporte essentiellement un solvant hydrophobe inerte dans lequel sont dispersées des particules de matière tinctoriale, ces particules étant pratiquement insolubles dans le solvant et étant solub...  
WO/1988/002136A1
Method and apparatus for producing a printing plate separates optically the colors of transmitted rays of light or reflected rays of light from a color original (1) and produces a color separation printing plate (18) of each color from t...  
WO/1987/005720A1
An improvement in the method and apparatus for producing a multi-color electrophotographic image wherein an electrophotohraphic medium (16) can be used for multiple charge-expose cycles without the accumulation of trapped charges which c...  
WO/1987/005719A1
Electrophotographic color proof generating apparatus includes a charger station, an exposure station, and a development station. Starting with color half-tone separations of artwork, the apparatus, using a unique method, electronically c...  
WO/1987/005410A1
An improvement in the method and apparatus for producing a multi-color electrohotographic image wherein an electrophotographic medium (16) is mounted on a carrier (12) therefor and is translated over a predetermined path (14) so that the...  
WO/1987/003708A1
A multicolor electrophotographic reproduction apparatus and method for reproducing a copy in selected colors. The apparatus includes a digitizer for inputting information denoting the location(s) of the pictorial information and the loca...  
WO/1987/003709A1
An electrophotographic reproduction apparatus and method for reproducing an original document sheet that includes a continuous tone pictorial information area and a line-type information area. Rather than reproducing the entire document ...  
WO/1987/003710A1
Apparatus and method for electrophotographically producing high quality reproductions from an original document sheet which contains continuous tone (pictorial) and line-type information. The locations of the different content portions o...  
WO/1987/000645A1
A process for providing a direct optical readout of a pattern or collection of data in a plurality of distinctive colors on a dielectric film capable of receiving information by exposure to an electron beam imaging source, which process ...  
WO/1986/004428A1
A method and device for electrophotographically forming a multi-colour proof print using at least two colour separations and forming two toner images of different colour in registration with each other, charging the coatings to identical...  
WO/1986/003603A1
Means for developing Xerographic images in which a developer applicator (21) is arranged to progressively apply a liquid developer to a latent electrostatic image on an image-bearing surface on a support member (3) and the surface is pro...  
WO/1986/002745A1
A method of and and apparatus for forming a multi-color image by subjecting to charging and image exposure a photosensitive body (4), which consists of a photoconductive layer (1) sandwiched from the upper and lower sides thereof between...  
WO/1985/002470A1
An image-forming method includes a step of allowing electrically-conductive light-transmitting particles to adhere electrostatically to the surface of a photo-conductive substrate, a step of exposing the surface to the light of an image ...  
WO/1985/000673A1
Contrast and/or density adjustment of developed electrographic images is effected in a development system comprising a developer mixture (D), of hard-magnetic carrier and electrically insulative toner, and a magnetic brush having a rotat...  
WO/1985/000438A1
Improved electrographic development is obtained in the presence of a development electrode field by predeterminedly rotating both the core (2) and shell (3) of a magnetic brush applicator (1) to supply developer (D), of the kind comprisi...  
WO/1984/004606A1
Method and apparatus for electrophotographically producing high quality reproductions which contain different content types. A photoconductor image sector is subjected to separate exposures of complementary originals O1 and O2. The expos...  
WO/1984/004607A1
Method and apparatus for electrophotographically producing high quality reproductions which contain different content types using an original O1 having reflective continuous-tone portions C and non-reflective background portions B. A pho...  
WO/1984/004604A1
A plurality of constituent electrostatic color-separation images are produced in sequence for subsequent toner-development and superimposition and at least one developed constituent image is used to color-correct a succeeding constituent...  
WO/1984/004605A1
Method and apparatus for electrophotographically producing high quality color reproductions which contain different content types. At zone E1, photoconductor image sectors are subjected to separate, component reflective exposures of port...  
WO/1984/003955A1
A charged magnetic toner developing method comprises the steps of forming a latent electrostatic image on the surface of a material layer, developing the latent electrostatic image using a semiconducting ferrite carrier and a charged mag...  
WO/1984/001442A1
A method for developing an electrostatic latent image on a nonporous surface using a self-fixing liquid developer. The developer contains a volatile, electrically insulating liquid carrier and toner particles, dispersed in the carrier, c...  
WO/1983/002013A1
A conductive magnetic toner (3b) comprising a magnetic material, a binder resin and, if necessary, a conductive substance, the magnetic toner (3b) having a softening point different from its softening initiation temperature by 5o C or mo...  
WO/1983/001844A1
A fixing device for a printing original plate in which a fixing unit (4) fixes a printing original plate (1) conveyed by upper and lower conveying rolls (7A) and (7B). The roll (7A) is in contact with the right and left edges of the tone...  
WO/1983/001691A1
Developing device for an original printing plate having a developing tank (2) filled with a liquid developer (D) used to develop the plate (1). The tank has an inlet (3A) and an outlet (3B) for the plate (1), upper and lower guide plates...  
WO/1982/002605A1
Apparatus and method are provided for transferring toner particles (96) at a relatively high speed from a magnetically created latent image onto a toner-receiving medium (15) such as paper without sacrificing edge acuity or providing unw...  
WO/1982/000369A1
The method of and means for the production of markers for the cutting of fabric or material in the garment or allied industries comprising forming a latent electroscopic image pattern on the surface of a dielectric master (1) and toning ...  
WO/1981/003556A1
An electrophotographic method consists in bringing a dielectric foil into contact with the surface of a charged and exposed electrophotographic layer and in subjecting the foil to the positive and negative ions of equal concentration pro...  
WO/1980/002785A1
A latent charge image is recorded on and reproduced from a multilayered detector (10) by first providing the detector (10) with a uniform surface charge on its photoconductive layer (16). The photoconductive layer (16) is then biased wit...  
WO/1980/002602A1
Apparatus and methods used to obtain image information from modulation of a uniform flux. An exposure measuring apparatus is disclosed which comprises a multilayered detector structure (10) having an external circuit (12, 22) connected t...  
WO/1980/002603A1
Apparatus and methods used to obtain image information from modulation of a uniform flux. A multilayered detector apparatus (10) is disclosed which comprises a first conductive layer (14) having two sides, a photoconductive layer (16) th...  
WO/1980/001849A1
A backing sheet with the usual punched heading carries a stencil sheet composed of a conventional tissue layer to which an ink-impermeable coating is attached by a layer of adhesive. An electrophotographic toner image formed on the backi...  
WO/1979/000999A1
A transparency that is used to project an image onto a viewing surface is prepared by an electrographic copying process. An element used in this process comprises a transparent support that is coated with an image-receiving hydrophilic c...  
JP2017116564A
[Subject] A superfluous pickpocket omission of discard from a cleaning member is controlled. [Means for Solution] An image maintenance object in which a picture is formed in the surface and an image forming device holds the picture, A cl...  
JP2017075057A
[Subject] It sets it as the purpose to provide the new composition which enlarges amendment sensitivity of a belt position. [Means for Solution] Belt conveying machine 200 concerning the present invention carries out conveyance movement ...  
JP2017049505A
[Subject] Provide art of a cleaning member being turned over and reducing generating of Or noises , in an image forming device which contacts a cleaning member to a photo conductor. [Means for Solution] Printer 100 has cleaner 56 in cont...  
JP6029264B2  
JP2016519334A
Toner dispersion liquid have Cross-sectional viscosity and the degree of relative conduction of 0.3*30 in which 1.25*225 does not carry out relative low. Toner dispersion liquid contain a toner particle in career liquid of non-polarity, ...  
JP2016033622A
To suppress the increase of the temperature of a light source due to the air heated by a fixation part.An image formation apparatus includes in a housing: an image formation part which has a photoreceptor; a fixation part which is provid...  
JP5883262B2  
JP5839821B2  
JP2015175899A
To provide an image forming apparatus and a program that can suppress decrease in brightness of a formed image when the image is formed by using a developer containing a glittering pigment, compared to an image formed without controlling...  

Matches 201 - 250 out of 13,322