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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8095043 | Image forming apparatus and method of abrading photoconductor of the apparatus An image forming apparatus of the present invention is arranged to hold an intermediate transfer belt and a photoconductive drum out of contact with each other. In a non image formation process in a first mode, the intermediate transfer belt and the photoconductive ... | 01/10/2012 |
| 7354691 | Imaging apparatus and improved toner therefor The invention relates to a liquid toner and imaging apparatus provided with an imaging surface having a liquid toner image formed thereon on fibrous toner particles and carrier liquid. The fibrous toner particles can be composed of a polymer portion and pigment disp... | 04/08/2008 |
| 7169519 | Double-layered positively-charged organic photoreceptor A double-layered positively-charged organic photoreceptor t does not suffer from contamination caused by charge transport compounds that dissolve out during coating of a charge generating layer, and in which the charge generating layer and a charge transport layer h... | 01/30/2007 |
| 6904252 | Image-bearing article containing cross-linked elastomers for electrostatic printing An image-bearing article used in liquid contact electrostatic printing (CEP) is formed from polymers that meet the requisite conformance and heat stability for the CEP process. Excessive absorption of toner carrier liquids by the image-bearing article in liquid CEP ... | 06/07/2005 |
| 6859218 | Electronic display devices and methods Electronic display devices and methods are described. In one embodiment, a display device comprises a housing and a display area provided within the housing to display content for a user. Memory is provided within the housing to hold data that is to be rendered into... | 02/22/2005 |
| 6829454 | Image forming apparatus with improved transfer efficiency By causing the movement of charge from a toner to a latent image carrier, the amount of charge of the toner is lowered to an amount of charge suitable for facilitating the transfer of toner so as to improve the transfer efficiency. For this, an image forming apparat... | 12/07/2004 |
| 6195517 | Apparatus and method of removing photoreceptor belt for electrophotographic printer An apparatus and a method of removing a photoreceptor belt from an electrophotographic printer are provided. The apparatus includes at least one pair of rollers for pressing and transferring the photoreceptor belt circulating in a predetermined traveling ... | 02/27/2001 |
| 5669043 | Film photoconductor holding mechanism A film photoconductor holding mechanism includes a substantially-cylindrical support having an opening which is shaped so as to have a notch at a part of a circumferential portion of the support in a longitudinal direction thereof. A bar-like photoconduct... | 09/16/1997 |
| 5616442 | Electrophotographic photosensitive member and electrophotographic apparatus using same An electrophotographic photosensitive member is constituted by disposing a photosensitive layer on a support. The photosensitive layer is characterized by containing a specific triphenylamine compound having at least two phenyl groups each substituted wit... | 04/01/1997 |
| 5595845 | Electrophotographic photosensitive member, electrophotographic apparatus including same and electrophotographic apparatus unit An electrophotographic photosensitive member is constituted by disposing charge generation layer and a charge transport layer in succession on a support. The charge generation layer contains oxytitanium phthalocyanine, an azo pigment and a hindered phenol... | 01/21/1997 |
| 5559578 | Electrostatic recording apparatus with electrified cap and managing system thereof An electrostatic recording apparatus and a management system thereof wherein the recording apparatus includes a photoconductor drum having a cap provided at an opening of the drum and a photoconductor sheet wound on a portion of the drum other than the op... | 09/24/1996 |
| 5508790 | Photoreceptor sheet and imaging system utilizing same An imaging apparatus incorporating a substantially rectangular organic photoreceptor sheet having a base layer, a conductive layer and a photoconductive layer, wherein along one edge of the photoreceptor sheet there is an exposed conductive area, a drum h... | 04/16/1996 |
| 5373351 | Electrostatic recording apparatus and managing system thereof A parallel circuit of a capacitor and a varistor is connected between a ground and an aluminum cap of a photosensitive drum having a photoconductor sheet wound on a surface of an aluminum drum. The capacitor is charged by a charger. A developer roll conne... | 12/13/1994 |
| 5289233 | Removably mountable image forming unit held together by thermally shrinkable film An image forming unit removably mountable in an image forming apparatus is composed of a plurality of image forming elements including at least a photosensitive drum. The unit is assembled by providing a pair of side plates with the image forming elements... | 02/22/1994 |
| 5255056 | Photoconductor film clamping and tensioning system and method of use A clamping and tensioning system for securing a sheet of photoconductor film to an outer circumferential surface of a carrier drum includes a clamp rod mounted to the carrier drum by first and second mounting blocks. The first and second mounting blocks i... | 10/19/1993 |
| 5252418 | Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same An electrophotographic photoreceptor comprising a photoconductive layer comprising a photoconductor, a support for the photoconductive layer and a surface layer formed on the photoconductive layer and comprising a curable resin film and an inorganic insul... | 10/12/1993 |
| 5138380 | Electrostatic recording apparatus, method of controlling the apparatus, and method of evaluating life of photoconductive member of electrostatic recording apparatus A potential of a reference potential measure section is set to a desired value of a potential of a drum surface (charge receptive surface) such that a potential of the reference potential measure section and a potential of the charge receptive surface are... | 08/11/1992 |
| 5101234 | Electrophotographic printing mechanism In an electrophotographic printing mechanism in which a photosensitive drum mechanism having a photosensitive drum and a drum cap is turned to electrostatically form an image on the photosensitive material wound on the drum, the drum cap is provided with ... | 03/31/1992 |
| 4926216 | Feeder of sheet-like photo-sensitive material A feeder for a electrophotographic printer to feed photo-sensitive paper onto the drum of the printer. Sheets of photo-sensitive paper are adhered to release paper. The sheets are separated from the release paper by rolling the sheets adhered to the relea... | 05/15/1990 |
| 4914479 | Image formation apparatus with cartridge for roll of photosensitive sheet A cartridge containing a roll of photosensitive sheet and set inside an image formation apparatus has both an outlet and an inlet. Its interior is divided by a flexible sheet into a chamber originally containing the roll of unused photosensitive sheet and... | 04/03/1990 |
| 4784928 | Reusable electrophotographic element Image transfer properties of an electrophotographic imaging element are improved by heterogeneously dispersing, as a separate phase within the photoconductive surface layer of the element, finely divided particles of an abhesive substance which is noncond... | 11/15/1988 |
| 4610526 | Reproducing machine An electrophotographic reproducing machine having a photoconductive belt, a fixed platen for supporting an original document, and a translatable carriage having, fixedly mounted thereon in fixed relation to each other, a corona generating device for charg... | 09/09/1986 |
| 4541706 | Image display apparatus A display apparatus for displaying image information of outputs of information processing means, such as a computer. The display is made with the use of electrophotography. The photosensitive member is in flat plate form, which has a transparent conductiv... | 09/17/1985 |
| 4477180 | Photoconductor advance system for copiers and the like Photoconductor panels are automatically replaced in an electrophotographic copier or printer after it is determined that the panels require replacement and the machine has entered into a run-out mode. The run-out mode is defined as the time period at the ... | 10/16/1984 |
| 4400083 | Electrostatic printer drum improvements Disclosed is an electrostatic printer having a rotatable drum with a photoreceptor belt mounted on the periphery. The photoreceptor belt is advanced past a cathode ray tube which forms an electrostatic image on its surface. A wiper brush is recessed withi... | 08/23/1983 |
| 4341464 | Reproduction apparatus employing a cassette with a finite belt A reproduction apparatus comprises a rotatable drum having trained over its circumferential surface a length of finite belt that extends and is transportable back and forth between two supply reels inside the drum and is impressible with image information... | 07/27/1982 |
| 4239375 | Image carrier drum for an electrophotographic copier A drum for an electrophotographic copier which serves as an intermediate image carrier which drum is rotatably mounted in the copier and includes a takeup roll and a supply roll with photoconducting material, in the form of a web, being guided from the su... | 12/16/1980 |
| 4231652 | Drum for electrophotographic copier A drum for an electrophotographic copier with the drum serving as an image support and being connected to a rotary drive of the copier, the drum including a stock roll for accommodating a supply of a photosensitive weblike semiconductor material and an em... | 11/04/1980 |
| 4215932 | Replenishable photoconductive system An apparatus and method of use in which a first photoconductive belt arranged to move about an endless operative path in an electrophotographic printing machine is replaced by a second photoconductive belt. The leading marginal region of the second photoc... | 08/05/1980 |
| 4179211 | Electrostatic photographic copying machine An electrostatic photographic copying machine includes a device for automatically exchanging used master paper with fresh master paper on a master holding body, and for indicating when such an exchange should be initiated. The machine includes an apparatu... | 12/18/1979 |
| 4173407 | Electrophotographic contact duplicating apparatus and method Apparatus in which the photographic images on a strip roll of silver halide film are duplicated upon a strip roll of electrophotographic film. The apparatus feeds the strips of the two rolls into contact with one another, emulsion side of the photographic... | 11/06/1979 |
| 4167325 | Electrographic recording apparatus An improved electrographic recording system. The system includes a first charging corona for providing a distribution of charge on a surface of a recording medium representing a desired image to be recorded on the medium. The system also includes an autom... | 09/11/1979 |
| 4149796 | Electrophotographic apparatus comprising improved bias source for magnetic brush A photoconductive sheet is wrappingly attached to an electrically conductive, grounded rotary drum so that part of the drum is covered by the sheet and another part of the drum is exposed. A magnetic brush developing member comprises a magnetic core and a... | 04/17/1979 |
| 4102570 | Transfer type copier A transfer type copier having a rotatable drum of the type containing a long web of photosensitive material therein. The rotatable drum has a lid and a drum body, the lid being movable to permit replacement of the web and also to permit the web to be move... | 07/25/1978 |
| 4097138 | Photoconductive belt incrementing apparatus An apparatus in which a photoconductive belt is advanced to move incremental unused portions thereof to an operative location as incremental used portions move to an inoperative location. The apparatus includes a segmented support frame having a supply st... | 06/27/1978 |
| 4088403 | Replenishable photosensitive system A reproducing machine in which successive photosensitive members are advanced from storage to the operative location therein. Each photosensitive member is used in the reproducing machine a predetermined interval and then automatically removed therefrom w... | 05/09/1978 |
| 4076410 | Photoreceptor drum for use in electrophotographic copying apparatus A photoreceptor drum for use in an electrophotographic copying apparatus which includes a sheet-like photoreceptor stored in roll form on a supply roll housed within the drum and led therefrom around the outer periphery of the drum through a slot axially ... | 02/28/1978 |
| 4068942 | Advanced photoreceptor An advanceable photoreceptor comprising a hollow drum and an elongated web of photosensitive material the bulk of which is supported internally of the hollow drum while a portion thereof is supported on the outer surface of the drum. The bulk of the photo... | 01/17/1978 |
| 4063809 | Photoconductor support drum for photocopy machine A photocopy machine is of the type which utilizes a reusable photoconductor and which electrostatically makes copies on plain paper. The drum supports a photoconductor of undeterminate length around the peripheral surface of the drum and includes a supply... | 12/20/1977 |
| 4057344 | Electro-photographic copier with strip-shaped latent-image carrier An electro-photographic copier has a strip-shaped latent-image carrier which is payed out from a supply and taken up by a take-up. An image-forming station is provided at which an image of an original to be copied is formed on the image carrier, and a gui... | 11/08/1977 |
