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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8131168 | Image forming apparatus that determines a failure in an exposure section based on a detected density of a toner image An image forming apparatus provided with an image forming section, including: a toner density detection section which detect a density of a toner image transferred onto an intermediate transfer member; a density correction section which executes density correction p... | 03/06/2012 |
| 7359090 | Shading an optical sensing element such as in a scanner Method for shading one of a first plurality of sensing elements of an optical sensor. High-reflectivity and low-reflectivity reference values of the output signal of each of a second plurality of sensing elements of the sensor are obtained. An average or nominal hig... | 04/15/2008 |
| 7280128 | Apparatus for and method of recording image An image recording apparatus includes a scanning part for recording a plurality of unit images individually on a plurality of recording media, the plurality of unit images being to be superimposed on each other to form a single objective image. The scanning part cau... | 10/09/2007 |
| 7254350 | Image forming apparatus featuring a variable oscillating electric field formed between a developer carrying member and an image bearing member during a developer operation in accordance with a peripheral speed of the image bearing member An image forming apparatus includes an image bearing member; a developer carrying member, disposed opposed to the image bearing member, for carrying a developer, wherein an electric field is formed between the developer carrying member and the image bearing member d... | 08/07/2007 |
| 7162190 | Toner feeder The toner feeder is removably mounted in an image forming apparatus including a rotation driver for rotating a toner container and a rotation controller for controlling the rotation driver. The toner feeder comprises a toner container for containing toner, and a sup... | 01/09/2007 |
| 7161717 | Self-propelled image read module The present invention provides a self-propelled image read module, which comprises a sensor, a guide rod, a motor, a gear set, and a belt. The guide rod is fixed on a base of a scanner. The sensor is slidably matched on the guide rod. The motor is disposed at one si... | 01/09/2007 |
| 7110917 | Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same An abnormality determining apparatus includes an information storage unit for storing normal index information serving as an index of a normal state of the detection subject, an information obtaining unit for obtaining a plurality of types of information, and an abn... | 09/19/2006 |
| 7058215 | Data processing system, maintenance apparatus and image processing apparatus This invention relates to a method of setting anti-forgery information addition level while taking an apparatus individual difference into consideration. The method is employed by a data processing system including: an image processing apparatus 100 for proce... | 06/06/2006 |
| 7002709 | Image processing system, image processing method, and image input system The reproduction of a copy inhibit image and the abuse of data through a network are to be prevented without sacrificing various page editing functions. An image read unit scans an original placed on an original carrying table and thereby generates RGB color image s... | 02/21/2006 |
| 6976650 | Winding cores with stratification motion A winder and system for winding wire onto core supports of dynamo-electric cores with translational, rotational and radial motions with respect to a central longitudinal axis of the dynamo-electric core is provided. The radial motion may preferably be provided by an... | 12/20/2005 |
| 6974941 | Method and apparatus for measuring performance of a lamp A light source testing system includes a light source to form an image, an image capturing apparatus capturing the image by a plurality of pixels, and an image processing apparatus calculating a plurality of gray levels of the plurality of pixels to determine a char... | 12/13/2005 |
| 6934502 | Image formation apparatus An image formation apparatus includes a console that has a display consisting of a liquid crystal display, a start key, and ten keys. The console is integrated on the front side of a platen that is mounted on a main body of the image formation apparatus. The upper s... | 08/23/2005 |
| 6922263 | Image scanner for use in image forming apparatus In an image reading apparatus according to the present invention, a black reference plate used for shading correction includes a light shielding plate. When the light shielding plate shields an optical path leading to a CCD sensor, the light emitted from an illumina... | 07/26/2005 |
| 6888556 | Image forming apparatus with end of operating lifetime controller An image forming apparatus having a photosensitive member, an exposure device having a laser emitting element that irradiates a laser beam, the laser beam being scanned on the photosensitive member line by line to form an electrostatic latent image on the photosensi... | 05/03/2005 |
| 6825863 | Image forming apparatus with end of operating lifetime controller An image forming apparatus having a photosensitive member, an exposure device having a plurality of laser emitting elements that each irradiate a laser beam onto the photosensitive member to form an elactrostatic latent image on the photosensitive member, a developi... | 11/30/2004 |
| 6795659 | Image forming apparatus and trouble state notifying method thereof When an engine test print switch specifies execution of an image forming operation test mode, a trouble state of a printer engine is detected. Based on the trouble state detection result, a driving operation of a main motor is varied, and a notice of the trouble sta... | 09/21/2004 |
| 6674977 | Method of and apparatus for detecting error in laser scanning device by determining whether a light source requires exchange or a contaminant is present in an optical path A method and an apparatus for detecting an error in an image scanning device that obtains image data upon scanning a document by using a light of beam radiated from a lamp, including a setting operation of obtaining initial reference values of a light qua... | 01/06/2004 |
| 6667796 | Exposure method and apparatus A pattern of a reticle is irradiated with excimer laser light to expose an image of the pattern of the reticle onto a wafer through a projection optical system. Driving elements for driving optical elements in the projection optical system and a transfer ... | 12/23/2003 |
| 6430378 | Image forming apparatus with lamp burn-out detection It is decided whether or not a light exposure lamp 5 burns out by comparing a light receiving output of a CCD 10 involved when a light exposing position of a light exposure lamp 5 corresponds to a white color reference sheet 13 with an initially set value... | 08/06/2002 |
| 6297839 | Light beam scanner unit and image forming apparatus with adjustment for contamination A light beam scanner unit includes a light beam generating unit for generating light beams at a fixed power, a polygon mirror for reflecting light beams generated from the light beam generating means toward a surface to be scanned, thereby scanning it, an... | 10/02/2001 |
| 6295116 | Optical scanning system for printer An optical scanning system for a printer includes an optical scanning unit having a deflector divided into a plurality of deflection regions to allow repetitive scanning of light emitted from a light source by rotation, the optical scanning unit for scann... | 09/25/2001 |
| 6252650 | Exposure apparatus, output control method for energy source, laser device using the control method, and method of producing microdevice An exposure apparatus comprising an energy source which outputs a pulse exposure beam, a detector which detects energy of the exposure beam output from the energy source for every pulse, and a controller which controls energy of a pulse to be output next ... | 06/26/2001 |
| 6236417 | Electrophotographic apparatus and test pattern recording method In an optical printer which performs image recording by using plural laser beams, there is a case where abnormality can not be normally confirmed even if a test pattern is recorded. In order to prevent such a problem, an electrophotographic apparatus is p... | 05/22/2001 |
| 6191843 | Exposure device, method of making and using same, and objects exposed by the exposure device Even when a surface temperature of an illumination optical system becomes high, detection accuracy of a reticle alignment detection system is not negatively affected. An illumination optical system irradiates an illumination light to a mask and exposes a ... | 02/20/2001 |
| 6184971 | Exposure apparatus and image formation apparatus A high-quality image is formed by using light emission element arrays of plural lines. The plural light emission element arrays are arranged substantially in parallel, an area of a light emission part of each array being different from others, respective ... | 02/06/2001 |
| 6023595 | Image processing apparatus capable of remotely diagnosing failed portion of image processing unit It is an object to identify a failed portion in a circuit for image processing and notify a service center of the failed portion, thereby enabling the failed circuit to be promptly replaced. Circuit portions of image processing units are constructed on se... | 02/08/2000 |
| 6002904 | Image forming apparatus having light projecting unit for projecting light on image carrier prior to transfer of toner image An image forming apparatus is provided with a photosensitive drum on whose surface a toner image is formed, and image formation is carried out by transferring the toner image onto a transfer material such as paper or OHP sheet which is caused to electrost... | 12/14/1999 |
| 5978614 | Image scanning apparatus with light source condition testing An image scanner arrangement having a scanner, a document feeder scanning portion and a flat scanning bed. A single white plate is provided between the document feeder scanning portion and flat bed. Before scanning, the scanner scans the white plate to pr... | 11/02/1999 |
| 5946521 | Xerographic xerciser including a hierarchy system for determining part replacement and failure A method to provide a highly intelligent, automated diagnostic system that identifies the need to replace specific parts to minimize machine downtime rather than require extensive service troubleshooting. In particular, a systematic, logical test analysis... | 08/31/1999 |
| 5913091 | Image reading apparatus An image reading apparatus includes one or more sliders which carry optical parts and can linearly reciprocate in a predetermined direction. The apparatus optically scans and thereby reads an image on an original document located at a predetermined positi... | 06/15/1999 |
| 5783343 | Image forming method and apparatus using pretransfer erase A toner image having two or more levels of toner density is transferred to a receiving surface more efficiently by erasing voltage associated with the higher density portions of the image member to a different extent than voltage is erased in the lower de... | 07/21/1998 |
| 5771422 | Image forming apparatus An image forming apparatus includes an image carrier on which a static latent image is formed, a main charger to charge the image carrier, an operating portion to direct the output adjustment of the main charger, and a developing device to develop a stati... | 06/23/1998 |
| 5732308 | Exposing apparatus having disconnection detecting function for exposure lamp An exposing apparatus having exposing function for irradiating light and scanning an original, function for detecting a reflected light from the original, function for setting the exposing function so as to repeat a plural times of the exposing/scanning s... | 03/24/1998 |
| 5634171 | Image recording apparatus and image recording method An image recording apparatus includes a rotationally driven image carrier; a position signal output device for outputting a position signal indicating that the image carrier is at a predetermined rotational position; a scanning device for scanning a photo... | 05/27/1997 |
| 5617187 | Image reading apparatus, copying apparatus, image processing apparatus, and image processing method This invention has as its object to reduce the apparatus scale by simplifying the arrangement of an image reading apparatus for radiating light including both visible and non-visible components, and detecting light obtained from a predetermined image, and... | 04/01/1997 |
| 5587772 | Image forming apparatus having image signal discrimination device The present invention provides an image forming apparatus having image signal discrimination device for discriminating whether an image density signal belongs to a line image portion or a natural image portion including a halftone image and outputting a d... | 12/24/1996 |
| 5499101 | Image forming apparatus which avoids copying insignificant information An image forming apparatus includes an image memory section in an image processing section for temporarily storing an image signal read from an optical system via a photoelectric transducer section, an arithmetic section for numerical computation based on... | 03/12/1996 |
| 5450174 | Lamp protective cover A lamp system for erasing an electrically charged photoconductive surface including an optically transmissive protective cover fabricated from a polypropylene adhesive tape for being affixed to a segmented surface so as to eliminate exposed gaps in which ... | 09/12/1995 |
| 5418603 | Image forming apparatus capable of evaluating image forming performance An image forming apparatus includes an original placement portion and a reference original portion outside of the original placement portion, a scanning device capable of selectively scanning either the original placement portion or the reference original... | 05/23/1995 |
| 5365349 | Image deletion for improved scanner fault recovery Scanner fault recovery in an electronic reprographic system includes monitoring the scanner for faults and enabling deletion from memory any images corresponding to documents involved in the scanner fault. Once the images have been deleted, refeed instruc... | 11/15/1994 |
