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7605833 |
Writing device
A writing device to write an image onto a photoconductor, including a print head having plural LEDs, a first supporting member, having a position determining section to determine the position of...
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7595918 |
Transparent original reading apparatus and illuminating apparatus for reading apparatus
A reading apparatus comprising a plate on which a transparent original is placed, and a guide unit for setting the transparent original at a predetermined position on the original plate. A light...
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7548352 |
Illumination device, document reading device, adjusting device, and image forming apparatus
An illumination device for a reading device which irradiates light over a predetermined illumination width including a reading area having a predetermined reading width extending in a main scanning...
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7538916 |
Document lighting device, image reader, color document reader, and image forming device
In a document lighting device, each of the plurality of the light emitting elements arrayed in a light source unit is arranged in a vicinity of a focal point on a cross section in a sub-scanning...
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7486306 |
Optical writing device and method of manufacturing the same
A plurality of photo emitters are arrayed on a transparent substrate in a first direction to form at least one photo emitter array. An electrode is provided on the substrate and electrically...
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7339602 |
Image-drawing device and image-drawing method
An image-drawing device, which carries out image-drawing on the basis of image-drawing data, has image-drawing heads which are moved relatively in a predetermined scanning direction along an...
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7202980 |
Mounting structure for inverter circuit board for light source lamp of image reader
A mounting structure for an inverter circuit board for a light source lamp of an image reader in which mounting means for mounting the inverter circuit board for a light source lamp of an image...
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7136203 |
Image sensor and image reading apparatus
In a contact type image sensor including an illumination section including a light source and light guide to illuminate a document, an image sensing element for converting an optical image of the...
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7079791 |
Apparatus for reducing warm-up time by auxiliary light source and method for the same
An apparatus for reducing start-up time uses an auxiliary light source and method for the same are proposed. The auxiliary light source has relatively short start-up time to compensate a cold...
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7034967 |
Image reading apparatus and transparent original adapter
An image reading apparatus for imaging an original document or photographic film includes an original placement bed on which to place the original, and a reading device to form an image of the...
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6917452 |
System and method for providing uniform illumination as received by an optical detector
The present invention is directed to a system and method which capture images by use of an optical detector. The system and method illuminate a scan region utilizing a bulb that emits light of...
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6684044 |
Light source lamp for image reader
A light source lamp socket of an image reader is formed to be capable of being placed as close to a platen glass as possible to increase the intensity of light beams to be irradiated on a original....
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6605405 |
Electrophotographic method and electrophotographic apparatus
Provided are an electrophotographic method and an electrophotographic apparatus that can reduce ghost memory latent in an a-Si photosensitive member, relieve potential unevenness, and provide image...
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6549743 |
Image reading device
An image reading device includes a feeding cable which connects a voltage applying part and a light source, and includes a conductive cable with an outer circumference covered with an insulating...
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6521388 |
Electrophotographic image forming apparatus, and photoreceptor therefor
An image forming apparatus including a photoreceptor including a photosensitive layer on a surface of an electroconductive substrate and a light irradiator configured to irradiate the photoreceptor...
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6492079 |
Electrophotographic photoconductor, image forming apparatus, and process cartridge using the photoconductor
An electrophotographic photoconductor has an electroconductive support, and a charge generation layer and a charge transport layer successively formed on the electroconductive support, the charge...
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6440625 |
Method of electrostatic recording on a cylindrical photoreceptor with dielectric coating and an electrophotographic duplicating apparatus
A method of electrostatic recording on a cylindrical photoreceptor with a dielectric coating of a photosemiconductor layer is presented. The method includes such main operational steps as charging,...
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6143453 |
Electro-photographic photoreceptor and image-forming apparatus using same
The object of the invention is to provide an electro-photographic photoreceptor which has high sensitivity to long wavelength light to form a less defective image and exhibits a sufficient...
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6118555 |
Image reading apparatus having a light source including a fluorescent lamp
In an image reading apparatus provided with a light source for illuminating an original, the light source includes a fluorescent lamp having a tube surface by means of which a part of a beam of...
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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...
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5950053 |
Illumination compensation device of scanner
An illumination compensation device of a scanner for balancing the light intensity on the optic-electric sensor of the scanner and facilitating the connection of the power wires and power supply....
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5875377 |
Device for illuminating an original
A device for illuminating an original for use in an original reading apparatus for reading an original placed on an original supporting table has a light source having a filament having its...
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5864739 |
Light source package incorporating thermal expansion compensating device and image forming apparatus using the same
A light source package includes a light source, a lens for collimating the light from the light source, and a support member for supporting the light source and the lens so that the optical axis of...
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5808650 |
Image forming apparatus with light emitting element head
An image forming apparatus includes an LED array head to which a vibration applying unit driven by a driver is attached. The LED array head is shifted by a predetermined amount in a direction at an...
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5768663 |
Light source arrangement of a scanner
A light source mounted in a scanner adjacent to a platform thereof, including a lamp tube, the lamp tube having a straight middle section across the width of the scanner area within the platform,...
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5765073 |
Field controlled plasma discharge printing device
A field controlled plasma discharge display element is disclosed for light source use in single element and multiple element plasma discharge electrostatic printers. The display element includes a...
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5749029 |
Electrophotographic process and apparatus therefor
In an electrophotographic process using an electrophotographic photoconductor having a photoconductive layer which contains a charge generation material and a charge transport material, the charge...
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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...
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5655189 |
Image device having thermally stable light emitting/receiving arrays and opposing lenses
A lens plate is provided with many lenses, and a base plate is provided with many LED arrays and driving ICs arranged at respective opposite ends of the base plate. The lens plate and the base...
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5616989 |
Fluorescent lamp system including an integrated heater/power harness
A fluorescent light source includes a fluorescent lamp, lamp bases attached to opposite ends of the fluorescent lamp, and an electrically insulating substrate connected to the fluorescent lamp. A...
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5527651 |
Field emission device light source for xerographic printing process
A xerographic printing system is constructed using a field emission device 120 as a modulated light source. Alternatively, a lens 122 may be disposed between the field emission device 120 and the...
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5506659 |
Image density control device having an original mounting element with a vertically adjustable means
The present invention is directed to an image density control device in an image formation apparatus where a pattern of reference density on a sample original is exposed to light from an exposing...
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5502542 |
Image-forming apparatus with an exposure-light intensity adjusting function for a two-sided original
An image-forming apparatus includes a platen on which an original is placed so that a first surface of the original is positioned at an exposure area, a first sensor for detecting that a second...
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5486902 |
Color image forming apparatus for forming color image by transferring color toner to transfer material
The present invention relates to an apparatus for forming color toner images on an electrophotographic photosensitive member and for transferring the color toner images onto a transfer member, in...
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5480750 |
Electrophotographic process and electrophotographic apparatus
There are provided an electrophotographic apparatus and an electrophotographic process featured by control satisfying a condition 1n(n)×1n(S)/1n(E)≤19.0 among the localized energy level density...
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5477306 |
Detachable process unit for an electrophotographic device
In an electrophotographic device, a main body is divided into a lower body and a swingable upper body. A process unit formed of at least a toner holder, a charger, and a developer is detachably...
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5475468 |
Method and copying machine for preventing illegal copying
A copy machine characterized in that the machine contains an illegal copying preventive image pattern storage device for storing previously an illegal copying preventive image pattern which has...
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5452074 |
Process color and recharge with the overcoated P/R single pass color process
A method and apparatus for forming orthographic color images is disclosed. A relatively high resolution ROS is utilized to simultaneously form a plurality full contrast images thereby yielding the...
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5452073 |
Multi-image forming apparatus having registration error correction
An image forming apparatus includes plural imaging stations each having an image forming unit positioned around a photosensitive drum, a transfer belt for transporting a recording sheet, a pattern...
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5451713 |
Developing apparatus using a developer carrier capable of forming microfields
A developing device develops a latent image electrostatically formed on an image carrier in a developing region to produce a corresponding visible image. The developing device includes a rotatable...
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5436104 |
Method of forming fixed images using heated belt
A method of forming fixed images comprising charging a photoconductor, exposing the photoconductor to light, developing a latent electrostatic image whereby a toner is applied to the latent...
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5426490 |
Solid state scanning device
An exposure apparatus having a transparent base member opposed to a photosensitive drum and forming part of a vacuum chamber, an electrode formed in the vacuum chamber for discharging...
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5420670 |
Printing apparatus
A printing apparatus includes a photoconductor and a photoconductor transporting mechanism. The photoconductor is in the form of a plurality of cut sheets and stacked in a tray. One cut sheet of...
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5317347 |
Image forming apparatus
An image forming apparatus which comprises a light shutter disposed between a source of light and an image carrier, which is electrostatically charged to a predetermined polarity, and capable of...
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5289235 |
Image producing apparatus
A screen lamp can be mounted easily. A belt type photoreceptor 15 is rotatably provided along a plurality of rollers 14 and 14-1, and a screen lamp 28 is mounted on there are side of the belt type...
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5289088 |
DC linear motor
A DC linear motor in which a position and a speed of a movable part relative to a stator can be easily detected by a displacement sensor and a sensor target. The displacement sensor is fixed on the...
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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....
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5216525 |
Table top hardware for imaging documents
An imager for imaging a document moving in a document track in a table top document processing machine. The imager includes a housing which is made of several portions which are designed to be...
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5214474 |
Copying apparatus
The intensity of a light emitted from a light source and reflected on a document is detected by an exposure sensor. A control section controls an exposure adjusting circuit to adjust an intensity...
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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...
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