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Class 399/187 - Edge or interframe erase


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein an illumination is applied to remove
No. of patents: 84
Last issue date: 04/01/2008


1      
NumberTitleIssue Date
7350948Vehicle headlamp
A vehicle headlamp includes a projection lens which is placed on an optical axis extending in a front and rear direction of a vehicle, a light source which is placed behind a rear focal point of the projection lens, a reflector which reflects light emanated directly...
04/01/2008
7330692Electricity waste suppressing original document size detection apparatus
An original document reading apparatus includes a plurality of point light source elements (e.g. a LED array) in a main scanning direction beneath an original document table, a moving device that moves the point light source elements in a sub scanning direction, and...
02/12/2008
7319835Image forming device having first and second light providing units
An image forming device, including a charging unit to electrically charge a surface of an organic photoconductive medium; a light exposure unit to form an electrostatic latent image on the surface of the organic photoconductive medium; a developing unit to develop t...
01/15/2008
7224915Image forming apparatus and image forming unit
An image forming apparatus comprising: an image forming section and a residual toner amount detection unit. The image forming section includes a photosensitive member, a charging unit, an exposure unit, a developing unit, and a toner storage unit. The residual toner...
05/29/2007
7209246Information processing apparatus and method for processing read image data
An original is read and the information stored as information targeted for processing, with either printing, transmission or holding being the processing for which the stored information is targeted, and the destination of the processing and either the timing or the...
04/24/2007
7202968Print layout apparatus and method
This invention relates to a technique that prevents an image from falling outside a given range when a printer is controlled to form an image on an arbitrary medium while assuring a margin of a predetermined amount. A host computer shifts an image by only a partial ...
04/10/2007
7170631Information processing unit, printing control unit, and control method thereof, and storage medium, and control program thereof
The present invention has an object to provide a mechanism which gives an output result desired by the user when printing a document comprising a plurality of paper sizes in mixture. In the information processing unit disclosed in the embodiments, when paper sizes a...
01/30/2007
7161711Information processing apparatus and method for creating print data and storage medium
When a preview of a job that combines data to be printed output from an application is presented, an information processing apparatus includes, for the purpose of presenting a preview considering the setting of each print job, an intermediate data conversion unit th...
01/09/2007
7161714Apparatus and method for processing images, and computer product
Documents are read and the read image data and the information about the size of the document is stored in a memory. A factor of enlargement/reduction is calculated based on the stored size information. An image processor 204 interpolates the image data based...
01/09/2007
7154628Job secure overwrite failure notification
An apparatus and method for erasing jobs from a marking device's non-volatile memory includes a monitor and notification system to detect and make a user aware of failure of the erasure. The notification system can offer alternate methods of erasure as part of the n...
12/26/2006
7046385Print control method, apparatus, computer-readable storage medium, and program embodied in a computer-readable medium for managing document information on a page basis
In printing a plurality of pages of print data on one paper sheet upon combining the pages, a print control apparatus inputs layout data for determining a layout of the respective pages, extracts a page data portion to be printed as a single page from the print data...
05/16/2006
6947167Image formation apparatus which forms images of four page on both faces of sheet in such a manner as images of two pages are formed on each face
An image formation apparatus includes a loading means for loading a sheaf of originals obtained by staking a sheaf of the originals to be copied and a sheaf of the originals for front and reverse cover sheets, a feed means for feeding the originals one by one from t...
09/20/2005
6658225Non-uniform pre-charge erase array with relatively uniform output
An image forming system including a charge pre-charge erase array system that includes a plurality of pint light sources that emit a band of light onto a photoreceptor. The plurality of point light sources are variably spaced to substantially uniformly il...
12/02/2003
6542257Image formation apparatus which forms images of four pages on both faces of sheet in such a manner as images of two pages are formed on each face
An image formation apparatus that loads a sheaf of originals obtained by stacking a sheaf of the originals to be copied and a sheaf of originals for front and reverse cover sheets, feeds the originals one by one from the loaded sheaf, reads the fed origin...
04/01/2003
6456732Automatic rotation, cropping and scaling of images for printing
A method for automatically cropping, rotating, and scaling a scanned image to ensure that a printed copy of the scanned image is the same size as the original, when possible. The method attempts to honor the default or operator designated orientation of t...
09/24/2002
6421104Front illuminator for a liquid crystal display and method of making same
A front illumination device for illuminating a reflective liquid crystal display cell (42) having a light source (12), a light guide (20), and a light coupling element (22). The light guide (20) has a thin plate element configured to receive light along a...
07/16/2002
5884125Light emitting element control device, optical sensor control device and blank lamp control device
A control circuit for outputting a signal for controlling an amount of light emitted from a plurality of light emitting elements. The control circuit includes a controller or CPU, and a D/A converter outputting a signal for setting a voltage in multiple g...
03/16/1999
5839033Apparatus having function of setting binding margin, and method used by the apparatus
An image forming apparatus and method for setting a binding margin. When a binding margin displayed on an LCD display unit of an operation panel has been set, a main CPU calculates a position, at which writing of the image of an original document starts, ...
11/17/1998
5802215Quadrant-based density detection for lead edge lightening
A lead edge lightening circuit which will lighten a scan line based on a seven by seven pixel area surrounding the current pixel. The area is divided into four sub-areas, each of four by four pixels, and each having the current pixel at one corner. Each s...
09/01/1998
5790262Image processing device capable of reproducing a book document
In a device for processing a signal representative of a document image from a document reading unit to thereby reproduce the document image, a first comparator binarizes a multilevel image signal from the document reading unit with a first threshold value...
08/04/1998
5677776Image reader for processing an image of a document
An image reader reads images from above a document platen upon which is placed a document such as a book or the like while using fingers or hands to press both edges of said document so as to prevent the pages of the document from rising upwardly, wherein...
10/14/1997
5666610Image forming apparatus with blank exposure means
An image forming apparatus includes a movable photosensitive member, a slit for imagewise exposure of said photosensitive member to light in a slit exposure area having a width in a direction of movement of said photosensitive member, and a movable reflec...
09/09/1997
5657133Method and device for saving toner and preventing contamination in an image forming apparatus
Toner consumption and contamination in an image forming apparatus can be prevented with a device and method for presetting the paper size to be used in a manual paper feed mode and preventing printing in a region beyond the preset paper size. The device i...
08/12/1997
5657113Document exposure apparatus
A document exposure apparatus includes a glass plate on which a document original is located, a press cover for covering the glass plate, an open/close discriminating unit for discriminating an open state and a close state of the press cover, an exposure ...
08/12/1997
5400123Image forming apparatus capable of erasing an image recorded in a sheet
An image forming apparatus has an erasing device therein which automatically erases an image formed on a sheet by a recording agent implemented by a decolorizable coloring agent, e.g., toner. The erasing device emits light having a wavelength range of 820...
03/21/1995
5272504Device for erasing residual charge on photosensitive member
An erasing device for erasing charge remaining on a photosensitive member, comprising: two kinds of light sources which are so provided as to confront the photosensitive member and have different light emitting wavelengths, respectively; and a control dev...
12/21/1993
5172167Data entry apparatus
A data entry apparatus for an electrophotographic copying machine which forms an image of a document on a photoconductor and transfers the image to a paper, including data input keys for specifying data to be written, a position device for specifying an a...
12/15/1992
5150159Copying machine capable of providing indexes
A copying apparatus has a photoreceptor drum, a charger for charging the photoreceptor drum, an exposure lamp for exposing images to said photoreceptor drum, an apparatus for setting magnification rate of the images, a selector for selecting a first mode ...
09/22/1992
5126793Copying machine
A copying machine having a plurality of blank lamps for removing charges on a non-used area of a photoconductor included in the copy machine for copying an original image includes a unit for generating a PWM signal having a variable pulse width, a unit fo...
06/30/1992
5051781Xerographic setup and operating system for electrostatographic reproduction machines
An automatic xerographic set up and monitoring process for a multi-mode electrostatographic machine in which a corona charge intercept value is obtained and used to optimally set corona charging levels for different modes, optimum flash exposure levels ob...
09/24/1991
5021832Electrophotographic copier having additional information recording function
An electrophotographic copier comprises an optical system for projecting an original image onto a photoreceptor to form an electrostatic latent image thereon, and a movable LED array for forming an electrostatic latent image corresponding to additional in...
06/04/1991
5006892Xerographic setup and operating system for electrostatographic reproduction machines
An automatic xerographic set up and monitoring process for a multi-mode electrostatographic machine in which a corona charge intercept value is obtained and used to optimally set corona charging levels for different modes, optimum flash exposure levels ob...
04/09/1991
4992827Image forming apparatus
An image forming apparatus is capable of reproducing a read image in combination with a format, without reading a format sheet every time. The format information is read from an external detachable memory, and is combined in the apparatus with the data re...
02/12/1991
4969012Image recording apparatus with an intermediate photosensitive member
An image recording apparatus has a photochromic photosensitive member with a light transmittance that is variable dependent on the light applied to it from an original that has been illuminated by a first light source. A second light source, which emits a...
11/06/1990
4945386Copier with magnification selection and paper winding prevention
Magnification is selected in response to selection of simplex or duplex mode. Then an original image is scanned by an optical system with the predetermined magnification and formed as an electrostatic latent image on a photoreceptor drum. Other latent ima...
07/31/1990
4939544Mask for radiation emitting panel
A mask for an electroluminescent panel has an elongated aperture through which a moving photoconductive member is exposed. To prevent elongated side strips from bowing, a connecting strip of mask material runs obliquely to the direction of movement of the...
07/03/1990
4928142Combination erase device
A device for erasing charges from an area of a charged electrophotographic image-bearing member includes a light source mounted on an electroluminescent (EL) panel which has a slot and semi-transparent members that project partially into the slot. Light f...
05/22/1990
4907033Copying apparatus having function of erasing unnecessary image from binding margin
The copying apparatus of the present invention comprises an exposure station for exposing an original to light; automatic document feeder for positioning the first surface of the original and turning the original upside down after an exposure; a photosens...
03/06/1990
4897694Perforation hole image, eliminating copying machine
A copying machine which forms the whole image of an original onto a photosensitive drum is provided with an image control means for properly functioning not to form images of both end portions of an original. Either the whole image of an original or the portio...
01/30/1990
4887128Method and apparatus for reproducing documents with variable information
Method and apparatus are provided for reproducing information on a document sheet so that copies are provided with such information, yet also include additional information that may vary from copy to copy. An electrophotographic reproduction apparatus is ...
12/12/1989
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