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8179559 Image forming apparatus with a substitute recording medium for an unavailable recording medium and method thereof  
Methods and apparatuses for forming images on recording media of different sizes are provided. The image forming procedure may include reading setting information which includes the size of a...
8010000 Image forming apparatus for use in controlling image magnification  
An image forming apparatus includes a light source unit, an image carrier on which a latent image is formed by a light beam emitted from a light source, a developing unit configured to develop a...
7970301 Methods, apparatus and systems to compensate for distortions caused by fusing  
Disclosed are printing methods, apparatus and systems to compensate for distortion caused by fusing toner to a media substrate. According to one exemplary embodiment, the method includes processing...
7859714 Light emitting device including position determining member having a height that determines a distance between a focusing lens array and an image carrier  
A light emitting device that forms a latent image by irradiating light onto a charged surface of an image carrier. The light emitting device includes an electro-optical substrate that forms an...
7573606 Data processing apparatus, printing apparatus, print control method, storing medium storing computer-readable program therein, and program  
Even if the user selects a print mode for executing borderless printing, when the borderless printing is improper for a discriminated sheet type, in order to prevent the occurrence of various...
7536125 Image forming apparatus capable of suppressing developer waste  
A line sensor that detects the edge position of a recording paper is provided on the upstream side of a transfer point where an image formed on a first photosensitive drum is transferred to the...
7421230 Image forming apparatus and method that performs image-process magnification alteration to image data  
A digital copying machine includes a CPU that executes an overall control, a scanner section, a printer section, and an image processing section that executes image processes including...
7095975 Copying machine and copying method  
An Flat Bed-Multi Function Device includes an MPU, a reading section, a recording section, an operation section, an image memory, and a ratio changing section. In a reduction copy mode, the reading...
6965458 Image formation apparatus  
The present invention provides an image formation apparatus to which a postprocess unit requiring a discharge condition that a transfer member of which image formation face is being turned downward...
6873812 Image forming apparatus for forming image on different size pages of booklet and image forming method thereof  
An image forming apparatus forms an image on a page of a booklet having different size pages. The image forming apparatus includes a setting unit for determining an image forming area on a page...
6628424 Digital synthesizer digital copier and magnification control unit  
The digital synthesizer comprises a system control unit, a read control unit, and a write drive control unit, and based on a magnification fine adjustment value set using a magnification fine...
RE37812 Magnification setting apparatus for image forming apparatus  
When zoom keys for changing a magnification by a predetermined unit each time, not only setting of a fixed magnification is bothersome, but also setting a magnification in the vicinity of the fixed...
6236418 Image forming apparatus and method to correct magnification error caused by optical characteristics of image writing device  
An image forming apparatus and method wherein a writing device writes information of an image on a photoconductive body traveling in the sub-scanning direction to form an electrostatic latent image...
6041205 Image processing apparatus for laying out plurality of images in conformity with image orientation  
A copier includes a reader for reading a document image, an orientation sensor for sensing orientation of characters in the document image that has entered from the reader, a size sensor for...
5946532 Variable magnification optical system with light shielding mechanism  
A lens is moved by a lens moving member in the direction of its optical axis, and a mirror group is moved by a mirror moving member in the direction of the optical axis of the lens. The moving...
5940663 Image exposure apparatus  
An error between a set value of magnification and an actual value of magnification is reduced by correcting the amounts of movement of a single-focus lens unit and a mirror in accordance with a...
5926330 Optical variable power module  
An optical variable power module has a movable lens unit slidably mounted on a chassis, such that the lens unit is moved along an optical axis defined thereby, and a movable mirror unit slidably...
5842083 Electrostatic copying machine  
An electrostatic copying machine made up of an image-forming unit including a rotary drum having an exposure zone and a transfer zone, an optical system for projecting the image of the document to...
5809381 Image-forming apparatus and magnification correction method using the same  
An image-forming apparatus includes an image-forming unit for image-forming image information of an original on a record medium, an optical-path-length varying unit for varying a distance between...
5794104 Method and apparatus for image processing capable of generating multiple images of varying dimensions  
An image processing apparatus designates image area on the original. A shifting device shifts the image area by predetermined amount. An outputting device outputs the image data corresponding to...
5764370 Enlargement and reduction apparatus for an image forming apparatus  
An image forming apparatus is provided with a zoom processing circuit, a scanning optical system and an enlarging/reducing circuit. The enlargement/reduction of the formed image in the main...
5740505 Image forming apparatus  
The present invention relates to image forming apparatuses such as copying machines, facsimile devices, and complexes thereof. When the image is produced as rotated by 90 degrees or 270 degrees by...
5486900 Measuring device for amount of charge of toner and image forming apparatus having the measuring device  
A measuring device for an amount of charge of toner including countered first and second electrodes for forming an electric field which accelerates toner particles, a voltage generator for applying...
5475475 Image forming apparatus and method in which image of a plurality of originals are formed at different positions of one recording sheet  
An image forming apparatus for forming a plurality of images at different positions on a single recording sheet is disclosed. In order to form a plurality of original images on a single recording...
5398101 Image forming apparatus capable of copying images on various copy items  
An image forming apparatus includes a toner image forming device for forming a toner image corresponding to an image of an original document at a set operative copying magnification, a transfer...
5396235 Numeral setting apparatus  
A numeral setting apparatus for setting numerals such as copy magnification, copy density, or the like includes an operating member such as up/down keys or a volume lever and a setting device to...
5355198 Exposure device having light shading members for correcting light distribution of a projection mechanism in a copier  
An exposure device for use in a copier having a magnification mode, includes a light source having a uniform non-shaded light distribution characteristic when a predetermined magnification ratio is...
5313250 Movement controlling device  
A variable power optical system having a mechanical system capable of moving a lens holder and a mirror holder having a predetermined relationship. A driving force moves the lens holder and the...
5311248 Copying area display device for a copier  
A copying area display device for a copier and allowing the operator to easily position a document on a glass platen. The device displays an effective image reading area which is easy to see. When...
5237366 Scanning exposure-reproduction apparatus and scaling reproduction method therefor  
When an input reproduction scale m is equal to a value mla which lies in a reproduction scale section ml, rated moving speeds Ula and U2a corresponding to the reproduction scale m and a resonance...
5181073 Copying apparatus  
An indication mechanism is controlled in a timing after the size of an original to be used for a copying operation is detected prior to the copying operation so as to indicate the size of a copy...
5153638 Image projection apparatus and the method of driving the zoom lens  
An image projection apparatus which projects an image of a microfilm onto a screen and copies the image. Among a plurality of projection lenses, which are zoom lenses having set-ups of...
5150224 Image forming apparatus with selectable automatic document size or copy paper size priority modes  
An image forming apparatus includes a document size detection device, a copy paper feeder carrying a plurality of copy paper sheets having different sizes, a copying device for copying an image of...
5138369 Magnification adjusting mechanism  
In a magnification adjusting mechanism, preparatory movement position calculating means utilizes a current position where an optical system is positioned at present, and a target position for the...
5126791 Image forming apparatus with improved patch image formation  
An image forming apparatus in which when a brake sensor detects a holding frame of exposure light source which moves in the backward direction, the movement of exposure light source is braked and...
5109253 Copier technique for determining speed and threshold number of sheets for a copier  
A copying apparatus is adapted to suppress the temperature rise of a platen glass by decreasing the copy speed from a first speed to a second speed after the apparatus has copied a threshold number...
5105225 Image forming apparatus with increased throughput from simultaneous scanning and original feed  
An image reading apparatus has an automatic original transporting device, a scanning device for effecting exposure scanning of the original while moving relative to the original over a platen...
5099336 Copying machine capable of copying plural reproduced images from single original on a same copying paper and copying process thereof  
A copying machine which is capable of copying a single original in the plural form on a copying paper having a size larger than that of the original and a copying process thereof. The first...
5066974 Auxiliary exposure device for image recording apparatus  
An auxiliary exposure device for an image forming apparatus which forms an image on a recording medium using slit-scanning exposure. The auxiliary exposure device comprises a reflection member...
5043766 Exposure control apparatus for variable magnification copying machine  
An exposure amount for a document is adjusted by using three modes, i.e., a one-to-one magnification adjustment mode for adjusting an exposure amount for a document at a one-to-one magnification,...
5019916 Digital copier with a facsimile function  
A digital copier or like image forming apparatus is capable of selectively operating both as a copier or as a facsimile terminal and which can accommodate multi-sized papers of different sizes at...
5016051 Electrophotographic copying machine with device for shifting an image  
A copying machine of the scanning exposure type has a device for entering the position on a copy sheet where a copy image corresponding to a document image is to be formed. According to the input...
5003383 Color image copier operable in analog and digital modes  
A color image copier operable both in analog and digital modes has a light source having a lamp and a screen with an opening. The screen is rotatable around the lamp so that light emitted from the...
4974022 Image forming apparatus  
An image forming apparatus comprises an original table for carrying an original with an image thereon, an original cover for covering the original table along with the original thereon, image...
4959684 Copying machine  
In a copying machine in which the copying magnification can be set in a longitudinal direction and a lateral direction independently, one or more pair of copy magnification adjusting values in the...
4958189 Automatic exposure control system of image duplicating apparatus  
An image duplicating apparatus including an optical exposure lamp by which a document bearing images is to be scanned by illumination with light, a photosensitive drum on which the images on the...
4952988 Image forming apparatus having display device for displaying predetermined data  
An image forming apparatus includes an image forming mechanism, an input device for setting image formation data necessary to command desired image formation, first and second displays for...
4947206 Copying apparatus  
A copying apparatus has a paper size automatic selection function for automatically selecting papers of any desired size in a plurality of available sizes. The copying apparatus is provided with a...
4894679 Method and apparatus for use in transferring an image  
An improved method and apparatus for use in exposing of photosensitive material to ultraviolet radiation includes a carrier which is a film strip having a photoconductive layer. The film strip is...
4849789 Image duplicating apparatus for multiple images with magnification or reduction alteration during duplication  
An image duplicating apparatus having a document table for supporting a document sheet thereon divides an image area of the document into two sections and successively duplicates the respective...
Matches 1 - 50 out of 105 1 2 3 >