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7929882 Image development apparatus and image forming apparatus using the same, and image development method and image forming method using the same  
An image development apparatus, including: a developer carrier that carries thereon a liquid developer being a carrier solution including dispersed toner particles each made of a coloring agent and...
6718152 Fully fluorinated polymer coated development electrodes  
An apparatus for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing a coating having a polymer...
6641967 Carrier for electrophotography, two component type developer, and image forming method  
A carrier for electrophotography and a two component type developer using the carrier. The carrier is composed of magnetic particles of a magnetic ferrite component represented by Formula:...
6514649 Organic EL panel and method for forming the same  
In a method of manufacturing and organic EL panel wherein an organic light emitting material is laminated between a pair of opposing electrodes, at least one of which is transparent or...
6444379 Method and apparatus for manufacturing printed wiring board  
There are provided a method for preparing a printed wiring board which can form electrostatic latent images at the desired positions of a substrate with good precision, and a uniform and good image...
6300021 Bias shield and method of developing a latent charge image  
The invention includes an apparatus 40 for developing a latent charge image formed on a photoreceptor 36 disposed on an interior surface of a faceplate panel 12. The apparatus 40 comprises a...
5707870 Process for neutralizing acids in a solution of solvent and polymer  
A process for measuring and controlling at an aim point the neutralization of an organic acid in an organic polymer solution using a near-infrared analyzer.
5665499 Method for development of electrophotographic printing plate precursor  
An electrophotographic printing plate precursor having satisfactory mechanical strength and water-resistance and suitable to the direct electrical supply system, and a method for development...
5554479 Image formation method  
An image forming method for conveying a magnetic developer 70 held on the surface of a developer conveying member 40 opposed to a image-bearing member 30 to a developing region to develops...
5368985 Bisacylphosphine sulfides  
Bisacylphosphine sulfides of formula I ##STR1## wherein R1 is unsubstituted C1 -C18 or C1 -C8 alkyl which is substituted by phenyl, --CN, C1 -C12 alkoxy or halogen, C2 -C18 alkenyl, unsubstituted...
5120630 Method of using a liquid toner developing module for electrographic recording  
A developing module for depositing liquid toner on an imaging surface of a photoconductive member includes a development electrode. The development electrode is supported by a shroud which includes...
5111235 Method of operating electrophotographic printing apparatus  
A method of operating an electrographic printing apparatus which employs a reversal development system with a two components developer wherein the bias voltage and the surface voltage are varied in...
5093217 Apparatus and method for manufacturing a screen assembly for a CRT utilizing a grid-developing electrode  
An apparatus for electrophotographically manufacturing a luminescent screen assembly on a substrate for use within a CRT includes a developer for developing a photoconductive layer, having a latent...
5081499 Liquid developing method and apparatus for electrophotography, and electrodes therefor  
A liquid electrophotographic development method where electrodes are arranged only on the side of the photosensitive layer of a master, developing liquid is supplied between the master and the...
5077158 Electrophotographic image-forming process using grey toner  
In forming an image by developing an electrostatic latent image with a grey toner, a mixture of a white toner and a black toner is used as the grey toner and the ratio (D) of the black toner to the...
5061583 Color electrophotography for high quality half-tone images  
There is disclosed here a class of liquid toner dispersions for developing electrophotographic images which give very high contrast half-tone dots with low contrast scanning light beams such as...
5027744 Developing device with development electrode cleaning unit  
A developing device which utilizes a development solution having toner particles actuated in the electric field generated by an electromember is provided with a cleaning unit to remove excess toner...
5019472 Method for duplicating press characteristic dot gain in electrostatic proofing systems  
A method for electrostatically producing prepress printing proofs that accurately predict results of actual press runs for a given press having known or desired characteristic response.
4986211 Toning method and member for electrostatography  
A toning method and member for electrostatography wherein a recording member containing information on its image bearing surface in the form of electrostatic latent images of one polarity is toned...
4875080 Method of and apparatus for developing electrophotographic film using liquid developer  
A developing apparatus wherein a developer is supplied to an exposed electrophotographic film to develop an image formed on the film has a developing section provided with an electrode which is...
4868075 Electrophotographic imaging process  
An electrophotographic imaging process. The process utilizes a disposable photoconductor and develops the photoconductor in fresh toner. The toner is packaged in a pod to protect its freshness and...
4768061 Device for the development of a latent electrostatic image, apparatus for producing prints by electrophotographic means and method for developing a latent electrostatic image  
A device is described for developing a latent electrostatic image which is present on a surface, for example a photoconductor surface. The device has one or more regions of a first type having...
4766468 Developing method and apparatus for a photocopier  
A method of development includes providing a mixture of non-magnetic developer particles and magnetic particles in a developer supply container, carrying the mixture on an insulating surface of an...
4707428 Electrostatic latent image developing method  
A developing method comprising disposing an electrostatic latent image holding body and a development electrode carrying a toner layer opposite to each other with a gap therebetween and...
4614697 Developing method for developing electrostatic latent image  
A developing method for developing electrostatic latent images with a toner and carrier particles in which particles as a third component are preliminarily mixed with the toner to be replenished,...
4529295 Electrophotographic copying apparatus including a self-cleaning developing assembly and method  
An assembly for developing a latent electrostatic image formed on the photosensitive outer surface of a rotating developing drum making up a part of an electrophotographic copying apparatus is...
4527884 Device for inking an electrostatic charge image with toner particles  
A device for inking an electrostatic charge image with toner particles in a xerographic unit is disposed adjacent to an information carrier on which the electrostatic charge image is carried so as...
4526850 Diode bias electrophotographic toning system and method  
The present invention is a diode bias toning system and method for use in and with electrophotographic copying machines and the like, and provides a significant improvement over "floating" and...
RE31707 Method and apparatus for electrically biasing developing electrode of electrophotographic device  
A photoconductive member is charged and radiated with a light image to produce an electrostatic image. Sensing electrodes automatically sense the remaining potential in a portion of the...
4473627 Developing method for developer transfer under electrical bias and apparatus therefor  
This specification discloses a method of toner transfer development in which a low frequency alternating electrical bias is applied to the space between a latent image bearing member and a...
4423134 Developing unit for electrophotography  
A developing unit for use with an electrophotographic copying apparatus of the type comprising a developing electrode and at least one corona discharger includes a conductive member arranged within...
4384035 Perforate development electrode  
Apparatus for developing electrostatic images on electrophotographic material by means of a perforate development electrode and liquid toner, without immersing the material in a bath of toner.
4383019 Process for electrophotographic color image development on a continuously moving image carrier  
The invention relates to a process for electrophotographic color image development by which charge images are rendered visible by electrophoretic deposition of color zones on a continuously moving...
4363860 Photoconductive polyimide coating upon a substrate  
A photoconductive layer is produced upon a substrate by coating the substrate with a solution in an organic solvent of a polyamic acid and of 2,4,7-trinitro-9-fluorenone (TNF) and/or...
4334002 Image development method  
An electric field is established in the gap between an imaging surface and an opposing electrode surface inducing movement of particles from suspension within a developer in the gap toward the...
4332877 Electrophotographic copying method  
In an electrophotographic copying apparatus having an exposure optical system capable of performing variable magnification of copies to be made by changing the relative movement speed of an...
4322488 Developing latent electrostatic images using a liquid toner and a development electrode  
A method and apparatus for developing a latent electrostatic image on the surface of an electrophotographic member using a liquid toner and a development electrode. An AC bias voltage is applied...
4319544 Digitally synthesized dynamic bias method and apparatus for toning control in developing latent electrophotographic images  
In an electrophotographic image forming process, a method and apparatus for providing an electric toning bias wherein the instantaneous electric potential value of the bias is changed with time in...
4297384 Method of developing electrostatic latent image  
In an electrostatic apparatus using a toner layer carried by a developing roller for developing a latent image, a doctor blade applied with a voltage of the same polarity as that of the toner is...
4294192 Liquid electrostatic image developing system employs mesh development electrode  
A liquid developing system for developing an electrostatic latent image formed on a copy paper includes a mesh plate development electrode disposed in a traveling path of the copy paper so that the...
4278343 Inversion developing method for electrophotography and relevant apparatuses  
The present invention provides a developing method for electrophotography which is developed to perform the development by electrically insulating the developing electrode from the support of the...
4267450 Method of eliminating background residual charge in electrophotographic image reproduction and apparatus for carrying out said method  
In an exemplary embodiment, a charge image resulting from x-ray exposure of a plate originally charged to 1.5 to 5 kV, is developed by applying powder of opposite polarity while applying a voltage...
4265996 Method of improving the electrical contact between the insulating image carrier and conductive support in electrographic recording processes  
For improving the electrical contact between an insulating image carrier and a conductive support during development of an electrostatic charge image in electrographic recording processes a gas...
4265197 Developing method and apparatus using application of first and second alternating bias voltages for latent image end portions and tone gradation, respectively  
A developing method and apparatus in which a developer supporting member is opposed to a latent image bearing member with a clearance therebetween and developer is caused to be transferred from the...
4259005 Device and method for developing latent electrostatic images  
A device for use in developing a latent electrostatic image formed on the image bearing surface of an electrophotographic belt as the belt is moving through an arcuate path includes a container...
4245586 Developing device for xerographic copying machines  
A xerographic developing device for depositing xerographic toner upon an image carrying medium without the use of toner carrier beads which includes an applicator roller for transferring toner from...
4244321 Electrographic development electrode  
A development electrode arrangement located in closely-spaced parallel relation to the charge retaining surface of a moving electrographic recording medium. A toner application unit feeds...
4194828 Process and apparatus for developing an electrostatic latent image  
A process and apparatus for controlling development of electrostatic latent charge images. A development electrode is utilized both to measure a background voltage of an image-free initial portion...
4189226 Electrophotographic apparatus for developing an electrostatic latent image on a slide film  
A photographic apparatus for producing a visible image of an original on a photosensitive film mounted on a slide mount. The apparatus has a supporting structure for supporting a film at a...
4187330 Electrostatic developing method and apparatus using conductive magnetic toner  
A method for developing an electrostatic latent image and an apparatus therefor, in which a magnetic toner layer is formed on an arcuate face formed from an insulator, and an electrostatic latent...
Matches 1 - 50 out of 157 1 2 3 4 >