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| Number | Title | Issue Date |
| 7047490 | Displaying the appearance of a printed and assembled document A method of depicting a hard copy document, in which a user generates an electronic document and then selects an instruction for assembling a hard copy document. The visual appearance of the electronic document once printed and assembled in accordance with the instr... | 05/16/2006 |
| 6916131 | Image forming device customizing the image to fit the paper length A tandem-type image forming device is provided which includes a plurality of photosensitive drums, a paper edge detecting section to detect a front edge and a rear edge of a sheet of paper, an exposure starting time calculating unit for each of a plurality of photos... | 07/12/2005 |
| 5247332 | Copying machine having a zooming function A copying machine having a zooming function, the copying machine including a first driving motor for scanning an optical reading system, a first control circuit for controlling the first driving motor, a second driving motor for driving an image forming s... | 09/21/1993 |
| 5126792 | Image forming apparatus having erasing means for erasing an electrical charge in a non-image region of an image bearing member The image forming apparatus according to this invention is adapted to erase unnecessary black images otherwise appearing on the peripheral portion of a copy sheet so that output images of a high quality are obtained. Further, erasable peripheral areas of ... | 06/30/1992 |
| 5099282 | Variable magnification image forming apparatus An image-forming apparatus capable of changing the size of the image formed on an electronic photosensitive medium is disclosed. The image-forming apparatus is provided with an auxiliary projection optical system in addition to a main projection optical s... | 03/24/1992 |
| 5072259 | Image forming apparatus having magnification capabilities with charge removal outside image area An image forming apparatus has as control unit which controls an image formation area on a photosensitive drum in accordance with original document size information detected by an original document size detector and magnification/reduction scale determine... | 12/10/1991 |
| 5068687 | Reader-printer A reader-printer for copying on a recording paper an image recorded in a microfilm is disclosed, which reader-printer is provided with shutter members capable of intercepting the projected light passing through the part of margin bordering the image. The ... | 11/26/1991 |
| 5065182 | Image forming system An image forming apparatus provided with an image forming part capable of reproducing on a recording medium an image information frame recorded on a microfilm. The apparatus effects a decision as to whether or not image information is present within the r... | 11/12/1991 |
| 5017963 | Image input device providing background detection arrangement A document background member is provided with a distinctive background patterning including image data of a selected frequency, that the background can be detected by an image frequency detection circuit. Detection or non-detection of the distinctive patt... | 05/21/1991 |
| 4963931 | Regulating means for automatically adjusting a margining means in a copier to produce image-free image carrier zones in response to image positioning prior to image transfer A regulating device for copying machines used in forming an image of an original on an image carrier and transferring the formed image onto a receiving material in which the relative position of image and receiving material with respect to each other befo... | 10/16/1990 |
| 4839696 | Image recording apparatus for recording a selected portion of an original image An image recording apparatus includes photosensors for detecting an image region of an original, an exposure section for forming an image on a photosensitive drum, a mode selection switch for selecting, as an image forming range, one of a portion inside t... | 06/13/1989 |
| 4745438 | Automatic copier show-around erase system A fade-out system for a copier with a document feeder, for preventing the undesired development of areas of the photosensitive imaging surface relative to the desired latent images of the document with a variable magnification optical imaging system, prev... | 05/17/1988 |
| 4697916 | Image forming apparatus An image forming apparatus comprises latent image forming means for forming a latent image on a photosensitive medium, reference latent image forming means for forming a reference latent image adjacent to the latent image, a plurality of light-emitting me... | 10/06/1987 |
| 4648703 | Device for exposing an edge zone of a photoconductive element to light A device for exposing an edge zone of a photoconductive element to light comprising a light source and a moveable screen by means of which the width of the edge zone that is exposed to light can be adjusted. The light source is fixed to the moveable scree... | 03/10/1987 |
| 4611906 | Electrophotographic copying apparatus An electrophotographic copying apparatus of the present invention is capable of copying a reduced original and forms an electro-static latent image of the reduced original image on a uniformly electrified photosensitive member so that the electrostatic la... | 09/16/1986 |
| 4593989 | Charge removing device for an electrophotographic copying machine An electrophotographic copying machine comprises a light beam reflection device, a charge removing device, a developing device, and a control device. The light beam reflection device is operated to reflect light beams from a document image portion and a m... | 06/10/1986 |
| 4552447 | Variable magnification copying apparatus with margin erase A variable magnification copying apparatus includes first erasing element for removing electrical charge from the photosensitive member at an area outside the area of image of the original and second erasing element for removing electrical charge from the... | 11/12/1985 |
| 4474453 | Electrostatic copying apparatus The optical density pattern of an original document (26) is sensed during scanning movement for radiating a light image of the document (26) onto a photoconductive belt (27) which is held stationary during the scanning. Operating parameters of the apparat... | 10/02/1984 |
| 4384785 | Charge quenching apparatus for electrophotographic copying machine A charge quenching apparatus for quenching unnecessary charges on a latent electrostatic-image bearing photoconductor of an electrophotographic copying machine for making copies with clean margins when the size of the maximum-latent-image area on the phot... | 05/24/1983 |
| 4162845 | Copier for greater than standard length documents An electrostatic reproduction machine having an improved control circuit to control turn on of a discharge lamp positioned to discharge a moving photoconductive belt member prior to development thereof. The control circuit enables a first mode of operatio... | 07/31/1979 |
| 4133609 | Charge-erasing device for electrophotographic copying apparatus A charge-erasing unit for an electrophotographic reproducing machine utilizing a single, continuously illuminated light source during the reproduction cycle for erasing the charges in selected intermediate and marginal areas of a moving photosensitive mem... | 01/09/1979 |
| 4129378 | Electrophotographic copying machine having a masking device for different copy sheet formats Electrophotographic copying machine comprising a discharge device for discharging the area of the movable photoconductive element which exceeds the area of the copy-sheet residing in the machine. The discharge device comprises a lamp and a mask interposed... | 12/12/1978 |
| 4046467 | Zoom lens copier An imaging lens system for electrostatic type reproduction machine or copiers utilizing a zoom lens effective to provide, within the magnification limits of the lens, infinitely variable image sizes. A control is provided to pre-set the lens to automatically g... | 09/06/1977 |
| 4023896 | Clean margin mechanism for electrostatic copiers The camera portion of a photocopy machine employs a vacuum platen type of transport for moving photoconductive sheets into exposure-position. The sheets are of one standard size, and are normally properly filled when imaged in one-to-one size relationship with... | 05/17/1977 |
| 3967896 | Variable edge fadeout apparatus for electrostatic reproduction machines An imaging lens system for electrostatic type reproduction machine or copiers utilizing a zoom lens effective to provide, within the magnification limits of the lens, infinitely variable image sizes. A control is provided to pre-set the lens to automatically g... | 07/06/1976 |
