Class 399/152 - Simultaneous exposure and development

Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein an apparatus is provided for developing
No. of patents: 23
Last issue date: 04/15/2008

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Number	Title	Issue Date
7358015	Plasticized photoconductor Plasticizers in a charge transfer layer to reduce surface cracking and crazing having a hydrocarbon chain, attached to a hindered phenol containing triazole or triazine moiety. Plasticizers found useful for this application can be used in a concentration (by weight ...	04/15/2008
6298206	Electrophotographic developing apparatus It is an object of the invention that development quality is improved by increasing the amount of charge during the transportation of toner by a toner holding member and decreasing the amount of charge during development for rendering an electrostatic lat...	10/02/2001
6275673	Photosensitive unit, light source and image forming apparatus A porous photosensitive unit has a transparent conductive layer formed on a surface of a transparent substrate. A photoconductive layer is formed on a surface of the transparent conductive layer. A porous insulating layer formed on a surface of the photoc...	08/14/2001
6205307	Image-forming apparatus An image-forming apparatus of an electrophotographic system equipped with an electrophotographic photoreceptor, an electrostatically charger, a light-exposure, a developing device, and a transferring device, wherein the electrophotographic photoreceptor i...	03/20/2001
5974291	Image forming apparatus and image forming method using selective exposure and removal of liquid developer In an image forming apparatus, a supply roller 4 supplies a liquid developer to the photo-conductive substance of a photosensitive drum or belt prior to an electrostatic latent image forming process. The supply roller 4 is applied with a voltage dentical ...	10/26/1999
5815774	Image recording apparatus with photosensitive unit having porous insulating screen An image recording apparatus with a photosensitive unit 100A which is rotatably structured, having a transparent conductive layer 2, a photoconductive layer 3, and a porous insulating screen 4 with an electrode layer 5 on its top surface which are sequent...	09/29/1998
5587773	Electrophotographic apparatus for performing image exposure and development simultaneously An electrophotographic apparatus for simultaneously performing image exposure and development including an electrophotographic photosensitive body comprising a conductive layer and an electrophotographic photosensitive layer formed on the translucent subs...	12/24/1996
5552863	Xerographic printer wherein exposure and development are performed on opposite sides of the photoreceptor A xerographic print engine includes a rotatable photoreceptor belt. The photoreceptor is exposed by delivering energy to the inward-facing side of the belt, and the electrostatic latent image is developed by applying toner to the outward-facing side of th...	09/03/1996
5532796	Image forming apparatus An image forming apparatus is arranged so as to include an optical head unit constituted of exposing device and information reading device, one cylindrical white light source which is commonly used as a light source for the above both devices, liquid crys...	07/02/1996
5432033	Method of electrophotographically forming visual image There is provided an improved electrophotographic image-forming method in which a image-bearing member is charged by brushing a surface of the image-bearing member with a magnetic brush of a charging material containing a magnetic carrier having a volume ...	07/11/1995
5396315	Electrophotographic printing machine An electrophotographic printing machine is provided with a photoreceptor whereon a transparent electrically conductive layer and a photoconductive layer are successively formed. A visible image is formed on the photoconductive layer by exposing the photoc...	03/07/1995
5374978	Developing method A developing method in which a recording region is formed between a movable image carrying element made of a photo-semiconductive material with light-transmitting properties and a hollow-cylindrical, non-magnetic sleeve opposing the image carrying element...	12/20/1994
5291246	Electrophotographic printing machine An electrophotographic printing machine is provided with a photoreceptor drum including a cylindrical transparent support having a transparent electrically conductive layer and a photoconductive layer laminated on a surface thereof and a dielectric belt h...	03/01/1994
5276486	Image forming device Without using corona charge, a predetermined voltage is applied to all of the island-like electrodes provided on a front surface of an electrostatic latent image forming member, which is then exposed by exposing device from a rear surface thereof. Consequ...	01/04/1994
5220392	Electrophotographic printer The invention provides an electrophotographic printer wherein a toner unit and the entire apparatus can be reduced in size and the degree of freedom in designing can be achieved and besides possible deterioration of a photosensitive member can be prevente...	06/15/1993
5159389	Electrostatic latent image apparatus An electrostatic latent image member for use in an electrophotographic machine which can simultaneously perform such as charge not by a corona discharge, exposure, developing, cleaning, and the like, where a photosensitive unit including a photoconductive...	10/27/1992
5138387	Charge injection image forming apparatus using conductive and insulative tone An image forming apparatus includes a photoreceptor including a glass substrate and a photoconductive layer laminated thereon. A toner box is provided in the vicinity of the photoreceptor, in which a mixed toner including an insulative non-magnetic toner ...	08/11/1992
4804994	Compact electrophotographic printing apparatus having an improved development means and a method for operating the same A compact and simple structured electrophotographic printing apparatus having a single magnetic developer, in which an accumulation of toner particles is formed on a photosensitive member at a downstream position from the magnetic developer. The accumulat...	02/14/1989
4678313	Electrophotographic recording apparatus Disclosed is an electrophotographic recording apparatus comprising a pair of toner containers for accommodating a toner, a photosensitive member constituted by a transparent substratum, a transparent electrode and a photoconductive layer, a light irradiat...	07/07/1987
4545669	Low voltage electrophotography with simultaneous photoreceptor charging, exposure and development This invention relates to an apparatus for simultaneously charging, exposing, and developing imaging members at low voltages which comprises a semi-transparent deflected flexible imaging member, an electronic imaging source means, a light beam deflector m...	10/08/1985
4240725	Electrostatic camera A camera with gas cushion film feed in which an imaging fluid is injected into the cushion so that imaging can take place after exposure of the film which may be either an electrostatic film or silver halide film....	12/23/1980
4060321	Electro-photographic element An electro-photographic apparatus in which the photo-conductive material is on an optically transparent base, the voltage at each position on the photo-conductive material or on small areas of conductive material associated therewith being dependent on th...	11/29/1977
3955128	Charged particle optical system for curved modulators The invention deals with the construction and shape of the electrode employed in a duplicating apparatus which uses a drum shaped gas-ion modulating device. The curved modulator is matched with a curved gas-ion collecting electrode so that the propagation...	05/04/1976

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Class 399/152 - Simultaneous exposure and development