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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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7333128 |
Laser shutting device and laser scanning unit employing the same
A laser shutting device blocks laser beams in a laser scanning unit that includes a light source that emits laser beams and a beam deflecting unit that deflects the laser beams in a main-scanning...
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7042591 |
Image exposure apparatus and image forming apparatus
The present invention provides an image exposure apparatus which has a light emitting chip including a plurality of light emitting elements, a base plate for mounting the chip thereon, a lens for...
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6278510 |
System for optical writing to thermal film
The invention relates to an apparatus for thermal development comprising a receiving chamber for a thrust cartridge, drive means to advance thermal film from said thrust cartridge and rewind film...
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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...
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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...
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5896472 |
Image forming apparatus
An image forming apparatus includes a moving member for conveying a recording member on which an image is to be formed, image forming units for forming marks for detection of a position of the...
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5835814 |
Electrophotographic method and apparatus for forming color images, and exposure unit therefor
Full color images are formed by electrophotography which utilizes a rotary member having an endless photosensitive surface which has a plurality of different band regions divided in a direction...
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5828841 |
Video signal recording and reproduction apparatus
A video signal recording and reproduction apparatus, provided with at least one encoding apparatus for encoding an input video signal, at least one data storage apparatus for recording and...
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5803622 |
Image forming device having convenient access to serviceable components
Servicing of an image forming device, such as a digital photocopier, is made convenient by providing an access opening exposing each of a number of prescribed serviceable components enclosed in a...
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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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5602578 |
Color printer with transfer and superposition of different color toner images onto intermediate transcription member
An intermediate transcription drum is supported so as to be driven in contacting relationship with a photosensitive belt. The rotating speed of the photosensitive belt driving motor is controlled...
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5583614 |
Image processing apparatus and method for determining whether an original contains a specified image
An image processing apparatus and method includes a scanner for scanning an original and generating electrical image data representing an image of the original to be processed, a processor for...
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5341195 |
Electrophotographic printer using electroluminescent imaging head
An electrophotographic printer using an electroluminescent imaging head having surface emission light emitting elements arranged in an array in the fast scan direction, in which the elements are...
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5339132 |
Mount structure of a light emitting element array in electronic photographic apparatus
A light emitting element array in an electronic photographing apparatus, in which a photoconductor drum is exposed to a light from a light emitting array having a plurality of light emitting diodes...
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5333039 |
Image forming apparatus with control for variably setting the amount of blank space on a recording medium
An image forming apparatus includes a unit to form a visible image onto a photo sensitive drum on the basis of input image information, a copy transfer unit to transfer the developed visible image...
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5291248 |
LED carriage selectively movable in two directions
An electrophotographic recording apparatus includes a plurality of light emitting elements each for irradiating a photoconductive surface of a photoconductor and each having one-luminescent portion...
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5266996 |
Recording apparatus
A recording apparatus has both a copier function and a fax printing function. The recording apparatus is provided with a photoconductive member, an original table on which an original is placed,...
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5260743 |
Electrophotographic apparatus including an attachment device for enabling the apparatus to perform additional functions
An electrophotographic apparatus having a first frame accommodating an exposure head which emits a light according to digital image data and a second frame accommodating a photosensitive member on...
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5250982 |
Apparatus and method of imaging UV-sensitive media
An apparatus and method for transferring xerographically printed information on a piece of paper (102) to an ultraviolet sensitive medium (101). The paper (102) can be optionally treated with a...
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5187521 |
Multicolor image forming apparatus with color component discrimination function
An image forming apparatus having an exposure unit for exposing an original; a first image forming unit for forming an image on a recording medium by removing an image of first color component(s)...
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5160965 |
Image forming apparatus with small LED array
An image forming apparatus includes an image carrier, an LED (light emitting diode) array having a plurality of light-emitting units arranged in correspondence with the longer direction of the...
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5119129 |
Image forming apparatus with selectable first and second optical forming means
An image forming apparatus including a movable photosensitive member, a first optical device for projecting light from an original onto the photosensitive member, second optical device for...
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5099293 |
Image processing apparatus operable analogue and digital copying modes
An image processing apparatus includes first latent image formation section for forming an electrostatic latent image corresponding to an image of a document on a photoconductor by projecting light...
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5072244 |
Superposed image forming apparatus with plural and adjustable image forming stations
An image forming apparatus for forming superimposed images has a plurality of image holders each respectively for holding an image, a plurality of image forming stations for forming an image on the...
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5036339 |
LED array into floating focusing structure for differential expansion
An optical printhead for use in electrophotographic copiers and printers. The printhead is constructed of a linear LED array and a linear fiber optic lens mounted above the LED array. The lens...
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5028957 |
Image forming apparatus with an image reading function
An image forming apparatus provided with an image reading unit for reading an image of an original fed into an original path, wherein the original path is confluent with a first copy sheet path...
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5016027 |
Light output power monitor for a LED printhead
A light output monitor for a light emitting diode printhead has a light detector internal to the printhead for measuring the light output power of each light emitting diode along a printhead....
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4977417 |
Electrophotography system
An electrophotography system for use in laser printers, printing machines and copying machines. The system includes a rototable drum having a photosensitive member which can take a first absorption...
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4977411 |
Electronic color printing system
A line-at-a-time printer is realized by directing a collimated light beam through an interaction area of an electro-optic light modulator while successive sheets of data samples are sequentially...
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4972226 |
Image processing apparatus operable in plural operation modes
An image processing apparatus operable in plural operation modes is disclosed. The image processing apparatus includes: a first operation mode for driving an exposure head to form dot images on a...
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4959731 |
Combined electrographic printer, copier, and telefax machine
An electrographic printing apparatus capable of functioning as a copier, printer, and telefax machine is disclosed. The electrographic printing apparatus includes a photoconductive member,...
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4941016 |
Photoconductive image receiving member with optimized light response characteristics
A photoconductive image receiving member for an electrostatographic reproduction apparatus capable of optical copying and nonimpact printing. The electrostatographic reproduction apparatus includes...
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4885596 |
Recording apparatus
A recording apparatus according to the present invention in which a data is recorded by charging a recording medium, scanning laser beams on the recording medium to form electrostatic latent images...
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4864364 |
Charge eraser for an electrophotographic copier
An improved charger eraser assembly for an electrophotographic copying machine is provided. In a first mode of operation selected by the user, a uniform erasure of a predetermined area of the...
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4803517 |
Multi-mode electrophotographic reproduction apparatus
A multi-mode apparatus for electrophotographically reproducing electronically generated information or information obtained optically from a document. This apparatus comprises a photoconductive...
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4774546 |
Apparatus for forming composite images
An electrophotographic reproduction device is described which is capable of forming images of an original document modified by information added to or replacing information of the original. A...
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4696562 |
Multifunctional copying machine
A multifunctional copying machine which has a copier function and/or a laser printer function has a copying unit for forming on the surface of a photosensitive body an electrostatic latent image...
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4551008 |
Image annotator for use with printing and coping machines
An array of flexible reflective fingers, light from a source impinging on the fingers which reflect the light in a first path, the fingers bending when a predetermined potential is applied to...
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4527886 |
Electrophotographic recording apparatus having both functions of copying and printing
This invention relates to an electrophotographic copying and printing apparatus having copying function and printing function. An object of the invention is to provide an electrophotographic...
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4477175 |
Multi-function reproduction machine
A multi-function printer employing a linear array of lenslets for transmitting, when in the COPY mode, image rays from the image original being copied to the moving photoreceptor of a xerographic...
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4376576 |
Light collector rod for use in xerographic systems
A rod-like light collector for collecting light reflected from a photoconductive surface bearing a developed image and scanned by a flying spot scanner with a central core of a relatively rigid...
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4355882 |
Multiple function reproduction apparatus
A multi-mode copying or reproduction apparatus. The apparatus includes a movable, overlong flexible photoconductive belt having image exposure, developing, transfer and cleaning stations...
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4345835 |
Multiple function reproduction apparatus
A triple function image processing system incorporating, for operation in a first COPY mode, a light/lens imaging system for imaging originals at a viewing station or platen to produce latent...
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4336993 |
Light collector rod for use in xerographic systems
A light collector for collecting light reflected from a photoconductive surface bearing a developed image and scanned by a flying spot scanner. The collector includes a rod-like element, the...
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4330195 |
Multiple mode image processing apparatus and method
A multiple mode image processing apparatus and method. The apparatus, in a copy mode, processes copies xerographically. In a write mode, images derived from image signals are written on the...
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4320955 |
Copy reproduction apparatus
A multiple function image processing system having both light-lens and flying spot beam for producing latent electrostatic images of originals on a photoconductive surface. The images are developed...
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4309101 |
System for controlling apparatus for composite-recording information
An apparatus for composite-recording information, having an optical system for forming an image corresponding to an original placed on a copy board onto a photosensitive member thereby to form an...
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4294534 |
Multiple function reproduction apparatus
A triple function image processing system incorporating, for operation in a first COPY mode, a light/lens imaging system for imaging originals at a viewing station or platen to produce latent...
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4194833 |
Electronic typewriter having an electronic display
A word processing system for displaying and reproducing alphanumeric characters on a photocopy machine capable of scanning an original document, having a housing including an electronic keyboard...
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