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| Number | Title | Issue Date |
| 5606396 | Imaging process using flexible electrostatographic imaging member An electrostatographic imaging process is disclosed which includes providing a flexible electrostatographic, particularly electrophotographic, imaging belt including a substrate layer, a charge generating layer, charge transport layer, and two parallel lo... | 02/25/1997 |
| 5604571 | Image- forming apparatus having imaging x-ray generation means An image-forming apparatus which does not unfavorably influence its surrounding environment when in use and is excellent in durability of use and safety is provided. In the image-forming apparatus, a photosensitive layer is disposed on the outer surface o... | 02/18/1997 |
| 5604570 | Electrophotographic printer with apparatus for moving a flexible photoconductor into engagement with a developer module A latent image is developed in the photoconductor surface of a moving belt by displacing the belt from its path of movement toward an adjacent stationary electrophotographic developer as the latent image approaches that developer, to establish a toner tra... | 02/18/1997 |
| 5532797 | Replaceable photoconductor-containing canister for an electrophotographic printer A replaceable OPC-containing canister is provided for a drum in an EP apparatus, the drum including a canister-receiving receptacle. The OPC-containing canister comprises a housing which includes an elongated slot. An OPC web is wound around a spring-load... | 07/02/1996 |
| 5530524 | Electrophotographic apparatus with photosensitive drum requiring multiple rotations for production of a copy image on one sheet and method of operating same A compact electrophotographic apparatus is attained by decreasing the diameter of the photosensitive drum so that a plurality of rotations of the drum are required to produce a single sheet image. Images of excellent quality, especially with respect to th... | 06/25/1996 |
| 5518854 | Flexible tubes supported on rigid drum A method of fabricating a cylindrical device comprising having at least one distinct outer layer comprising providing a preformed rigid cylindrical support drum having a predetermined outer circumference, a first end and a second end, providing a flexible... | 05/21/1996 |
| 5467171 | Compact active steering roll for belt loops An apparatus for steering a moving web, particularly in an electrophotographic printing machine of the type having an endless photoreceptor belt supported by a plurality of rolls and arranged to move in a predetermined path through a plurality of processi... | 11/14/1995 |
| 5455136 | Flexible belt with a skewed seam configuration A flexible electrostatographic imaging belt comprising a support layer, a coating including a film forming polymer, and a permanent skewed seam. The electrostatographic imaging belt may be fabricated by providing a sheet having a parallelogram shape with ... | 10/03/1995 |
| 5421255 | Method and apparatus for driving a substrate in a printing apparatus An electrostatic printer employing a photoconductive belt wrapped around multiple rollers. A motor drives a first roller. An elastic belt is wrapped around the first roller and a second roller, allowing the first roller to drive the second roller.... | 06/06/1995 |
| 5398097 | Image forming apparatus with driving mechanism for photoreceptor An image forming apparatus includes a process cartridge that incorporates a photoreceptor and a plurality of developing devices. The process cartridge is provided with a first driving shaft to drive the photoreceptor and a second driving shaft to independ... | 03/14/1995 |
| 5381167 | Color image forming apparatus A color image forming machine includes a plurality of exposure units for irradiating an image carrier movable in a secondary scanning direction of the exposure units by primary scanning beams, at a plurality of irradiation positions to form latent images,... | 01/10/1995 |
| 5357318 | Color image forming apparatus with interchangeable charging and transferring devices In a color image forming machine including a belt-shaped photoreceptor stretched around a plurality of rollers, and a horizontal portion of the photoreceptor being disposed above and in parallel to face a plurality of developing devices, a charging device... | 10/18/1994 |
| 5291245 | Photoreceptor belt seam detection and process control An apparatus and method for detecting the seam in a photoreceptor belt is provided. A sensor is positioned on one side of the belt in opposed relationship to a light source which can be a lamp dedicated solely to that purpose or light from an imager such ... | 03/01/1994 |
| 5278625 | Method and apparatus for lateral registration of sequential images in a singles pass, multi-LED print bar printer An image bar recording system, which, in a preferred embodiment, utilizes a plurality of LED image bars, forms a plurality of latent images, which may subsequently be developed in different colors. The print bars are initially aligned so that each color i... | 01/11/1994 |
| 5262826 | Friction and sprocket drive belt system A recording apparatus of the type having an endless movable belt on which an image is formed and transferred in registration to a transfer surface. Registration between the transfer roller and the printhead is provided in part by a sprocket engaging the b... | 11/16/1993 |
| 5214472 | Metal belt drive for recording element in a copier/printer Apparatus for driving a recording element in a copier/printer, comprises a motor and a speed-reducing, metal belt drive system operatively connecting the motor's drive shaft and an axle used to advance the recording element. The metal belt(s) of such spee... | 05/25/1993 |
| 5208633 | Belt position sensing for image registration In an imaging device having a belt supporting image on an image supporting surface and moving along an endless path in a process direction, an exposure device for forming images on the image supporting surface, an arrangement is provided to derive informa... | 05/04/1993 |
| 5194896 | Magnetic brake for pivotal device A brake for a sprocket-optical encoder assembly associated with an electrophotographic copier consists of a metal disc positioned in a magnetic field, mounted on a common shaft with the sprocket driving an optical encoder. The teeth of the sprocket are en... | 03/16/1993 |
| 5173733 | Method and apparatus for disabling defective sections on a photoreceptor in an electrophotographic printer In an electrophotographic apparatus, electrostatic latent images are formed on an endless photoreceptor belt for subsequent development by toner particles and transfer of the toner image to output sheets. The belt has at least two identifiable sections ar... | 12/22/1992 |
| 5155526 | Electrophotographic copying apparatus having axially aligned developing elements A fixing unit and a developing unit are oppositely positioned in alignment in the longitudinal direction of a photoconductor which is flatly stretched on an endless belt. The photoconductor is more flatly stretched between the fixing unit and the developi... | 10/13/1992 |
| 5070366 | Image forming apparatus featuring a constant contact-pressure drive An image forming apparatus including an image bearing member and a rotatable member such as a transfer roller, a charging roller or a cleaning roller press-contacted to the image bearing member in relation to an image formation process on the image bearin... | 12/03/1991 |
| 5027158 | Vertical print engine for electrophotographic apparatus A print engine including a photosensitive belt which is an endless loop vertically mounted in the copier or printer housing. A photosensitive belt stretches over a pair of rollers such that the exterior of the surface of the belt defines a developing posi... | 06/25/1991 |
| 5012290 | Increased transference of a toner image on to a copy sheet by using a zero tension loop applied after corotron transfer The present invention comprises a printing machine of the type having a toner image interposed between a flexible member and a sheet. Specifically, the printer has a device for transferring the toner image from the flexible member to the sheet, an apparat... | 04/30/1991 |
| 4875077 | Image-forming machine An image-forming machine comprising a main body of the machine and an image bearing member disposed within the main body and adapted to form an image on a electrophotographic material disposed of the surface of the image bearing member. According to a fir... | 10/17/1989 |
| 4845519 | Improved printer enabling concurrent writing, transferring, and fixing operations on the same sheet of recording material A printer which includes a latent image carrier in the form of an endless belt, a carriage moveable parallel to a lengthwise dimension of the endless belt, and a paper transport device for moving a sheet of paper perpendicular to the direction of movement... | 07/04/1989 |
| 4797710 | Heat developing device The developing section in an image recording apparatus includes a belt having a heater incorporated therein, and the exposed sensitive material and belt are wound together onto a take-up roll for thermally developing the image. After development, rotating... | 01/10/1989 |
| 4772922 | Copying apparatus Copying apparatus is constituted by a photosensitive member having a photochromic characteristic when changes light transmitibility when projected with light reflected by a manuscript. A light source is provided for projecting a photo-image formed on the ... | 09/20/1988 |
| 4769672 | Electrophotographic process A recording member (10) consists, for example, of one endless film-like belt that is folded in a recessed shape. A plurality of printing portions (1-4) are disposed in such a manner as to face the outer peripheral surface of the belt. This recording membe... | 09/06/1988 |
| 4768056 | Impact printer and copier A printer wherein impact printing and non-impact printing can be effected selectively as required. The printer comprises a print head of the impact type and a platen located in an opposing relationship to define a print position in a printer body. A paper... | 08/30/1988 |
| 4757471 | Electrographic printer/copier with photoconductive belt An electrographic printing apparatus comprises a photoconductive member surrounded by a charging unit, an optical print head, a developing unit, a transfer unit, a cleaning unit, and an erasing unit arranged in sequence about the photoconductive member. P... | 07/12/1988 |
| 4752800 | Recording device such as electronic blackboard A recording device such as an electronic blackboard has a transparent and flexible drawing sheet in an endless form which stretches around a pair of parallel rollers and on which characters and figures can be erasably drawn. A uniformly charged photosensi... | 06/21/1988 |
| 4711562 | Image-forming apparatus The present invention provides an apparatus for forming images on a substrate, using a belt-like medium which is moved past a number of precessing stations. The apparatus has at least two sections in which the belt-like medium can be driven at different s... | 12/08/1987 |
| 4663258 | Overcoated amorphous silicon imaging members Disclosed is imaging member comprised of a supporting substrate, a blocking layer of hydrogenated amorphous silicon with dopants, a hydrogenated amorphous silicon photoconductive layer, a first overcoating layer of nonstoichiometric silicon nitride with f... | 05/05/1987 |
| 4624554 | Charging and exposing head for use in electrophotographic apparatus A charging and exposing head for use in an electrophotographic apparatus includes a charging and exposing chamber having a light transmission window for carrying out charging and exposing operation on an electrophotosensitive member moving along the light... | 11/25/1986 |
| 4624549 | Copying machine with easy removal of image transfer member A photoelectric copying machine allows the sensitizer to form toner images that are transferred by being placed on a bell. The toner images formed by the sensitizer will be transferred onto the image transfer members with the image transfer members subseq... | 11/25/1986 |
| 4618243 | Apparatus for color development with a magnetic separator containing a stationary shell with rotating magnets An improved apparatus for causing the development of electrostatic latent images on an imaging member consisting essentially of providing a moving deflected flexible imaging member, a moving toner transporting means, a development zone situated between sa... | 10/21/1986 |
| 4592641 | Image transfer device A device for transferring an image present on a belt (1) driven at a first speed to an intermediate support (14) driven at a second speed. A pressing element (28) keeps the belt (1) and the intermediate support (14) in contact with one another during the ... | 06/03/1986 |
| 4577953 | Apparatus for detecting normal/abnormal mounting of belt-like photosensitive member in copying machine A copying machine uses a belt-like photosensitive member installed between a pair of rollers from which the belt-like photosensitive member is freely detachable or mountable on these. The preferred embodiments are capable of controlling the copying process ... | 03/25/1986 |
| 4572649 | Film cassette for electrophotographic camera processor-reader Disclosed is a film cassette of a kind which contains an electrophotographic film therein and which is adapted to be loaded in an electrophotographic camera processor-reader. The film cassette includes a cassette casing formed with a reflecting-mirror ins... | 02/25/1986 |
| 4541709 | Image transfer apparatus In an image transfer apparatus comprising two separate image carrying media, such as endless belts, from one of which image information can be transferred to the other medium by temporarily holding the two media in frictional contact with one another, eac... | 09/17/1985 |
