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7616359 |
Image reading apparatus, image forming apparatus, and image forming method
In an image reading apparatus for reading a color document as a monochrome image, an image forming apparatus of the invention includes a composite light source that irradiates the color document...
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7615939 |
Spectrally calibratable multi-element RGB LED light source
An LED lighting system is disclosed. The lighting system includes means to calibrate the light temperature and intensity between multiple modules in one system, or to calibrate the light...
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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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7593143 |
Compound curved concentrator based illuminator
A document illuminator comprising a light-transmissive element having nonlinear walls. The walls are shaped in the form of a compound parabolic concentrator with an optically inverted...
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7583419 |
System for capturing graphical images using hyperspectral illumination
A graphical scanner for scanning a graphical image includes a source for producing an optical beam, a monochromator for dividing the optical beam into a plurality of component beams for...
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7576895 |
Light-guide module having light shielding structure
A light-guide module is used for guiding the incident light to a process device. The light-guide module includes an entrance and a plurality of reflected mirrors. The entrance is provided for...
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7573617 |
Scanning chassis with a light transparent slot
A scanning chassis is suited for scanning a document. The scanning chassis includes a case, a light source, at least one reflector, a lens assembly and an optical sensor. The case has a light...
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7570388 |
Exposure device
The invention provides an exposure apparatus that outputs a stable photographic quality image unaffected by variations in ambient temperature, by suppressing the effects of the temperature...
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7567366 |
Image scanner provided with power saving mode and a system having a power saving mode
A system having a power saving mode includes: a body provided with an original table having a surface for putting an original; an original cover coupled to the original table so that the original...
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7566856 |
Image reading apparatus and controlling method thereof
An image reading apparatus includes light sources, an image sensor, a data generating unit, and a carrier unit. The light sources are sequentially turned on for an identical period once in a single...
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7564601 |
Method for generating a tonal response curve for a scanner
A method for generating a tonal response curve for a scanner includes (a) directing light from the scanner to a calibration target having a single uniform neutral tone; (b) measuring with the...
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7548355 |
Image scanning apparatus and method, and storage medium
A scheme for obtaining an original image free from any dust or scratches on a film by scanning a film original or the like with visible light and infrared light has been proposed. This scheme...
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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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7542182 |
Image pickup apparatus with light emission control adapted for light-receiving characteristics
An electronic flash light is emitted from a camera by causing light-emitting diodes corresponding to red, green and blue simultaneously. Light emission of the light-emitting diodes corresponding to...
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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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7535606 |
CIS (contact image sensor) RYB (red-luminance-blue) sampling
A method of directly obtaining a Y value for a luminance/chrominance representation of a scanline of a color scanned image produced by a color contact image sensor device having a linear sensor...
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7532370 |
Optical encoder, motor driver and image forming apparatus
An optical encoder includes a light emitting unit that emits parallel light onto a plurality of marks that are arranged on an object such as a rotor or a belt, at a predetermined interval in a...
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7529004 |
Color matching in lighting reproduction systems
A lighting reproduction apparatus for illuminating a subject includes a reproduction light optical source that generates reproduction light. The optical source includes a plurality of light...
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7529003 |
Image scanning device and its control method
This invention provides a technique which allows more faithful color reproduction by a relative simple arrangement. To this end, according to this invention, by time-divisionally driving R, G, B,...
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7525699 |
Back-light module for image scanning device and method for calibrating illumination with back-light module
A back-light module for an image scanning device includes a casing, a pair of tubular lamps, a light guide plate, and a frosted transparent plate. The image scanning device includes a document...
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7522322 |
Apparatus for dental shade measurement
An apparatus for suitable for obtaining an image of a dental structure has an illuminator member placed proximate the area to be imaged. The illuminator member has a support structure ( 30 ) for...
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7518766 |
Calibration mechanism of a scanner
A calibration mechanism of a scanner includes a second light source, a calibration element having an opening, a first light source and a scanning module. The second light source is assembled with...
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7515298 |
Image processing apparatus and method determining noise in image data
An image processing apparatus reducing image noise caused at a device which has a stationary reading portion such as a CCD sensor and reads an image of a document by moving the document is...
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7502148 |
Multiple lightguide electronic document imaging device
A multi-lightguide document imaging device is proposed for scanning a document transported atop it. The device includes a line image sensor module having a top sensing area and built-in circuitry...
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7498553 |
Image reading device
A technology capable of preventing generation of a problem due to saturation of an output value in an image pick-up section caused by a variation of illumination light from a light source. An image...
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7483181 |
Optical read device, information processing device using optical recording medium, and information reproduction method
An optical reading unit which ensures that address information recorded as guide groove wobbles on an optical recording medium is easily played back. A light-receiving device ( 20 ) for detecting...
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7477424 |
Apparatus having a light source for a transparent sheet of a scanner
The present invention relates to an apparatus having a light source for a transparent sheet of a scanner that includes a lamp, a reflective plate, a spreading plate and a protective plate. The...
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7471428 |
Contact image sensor module and image reading device equipped with the same
A contact image sensor module includes: a first image sensor, having a first light receiving element set aligned in a straight line; a second image sensor, having a second light receiving element...
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7468819 |
Image reading apparatus and transmitting original illuminating apparatus
An image reading apparatus includes a transparent original table for placing a transmitting original thereon, an image reading unit for reading an image of the transmitting original through the...
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7463391 |
Image sensor with device for adjusting focus
A focus adjusting device ( 50 ) for an image sensor ( 1 ) is provided for ensuring precise focusing of the image sensor. The focus adjusting device includes a contact element ( 51 ) in direct...
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7460282 |
Dynamic pattern generation for optical signal processing
A processor such as a digital signal processor (DSP) is used to dynamically generate patterns and/or sequences of patterns for a spatial light modulator (SLM), such as a micromirror device, for the...
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7457000 |
Image input system, conversion matrix calculating method, and computer software product
The present invention provides a technique capable of promptly and easily acquiring object color component data of a plurality of subjects even if the spectral distribution of light illuminating...
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7456842 |
Color edge based system and method for determination of 3D surface topology
A method and system for determining surface topology of a three-dimensional (3D) structure, based on a structured pattern that is projected onto the surface structure, and images of the pattern...
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7450274 |
Optical scanning apparatus, image forming apparatus, and beam positioning method
An optical scanning apparatus includes M number of light sources that includes M number of semiconductor lasers and M number of coupling lenses, where M is a positive integer, a deflecting scanning...
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7449666 |
Color image sensor unit and image reading apparatus using the sensor unit and control method therefor
A color image sensor which uses a sensor array that has, as a lighting light source, 3-color light emitting elements capable of independently controlling light emitting timings respectively and at...
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7446913 |
Image compensation structure and compensation method
An image compensation method is provided. At least one light source and a plurality of reflecting elements each capable of reflecting light from the light source are provided. Each reflecting...
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7446910 |
Optical scanning device
A laser-control circuit board is mounted in a scanner to extend substantially parallel to a base plate, a bottom cover, and a top cover of the scanner. A synchronization detection element is...
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7440151 |
Image reading apparatus
Disclosed is an image reading apparatus in which the amount of illumination light is increased and adverse influence of reflective illumination is reduced, and which is capable of reading image...
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7433096 |
Scanning device calibration system and method
In one embodiment, a scanning device includes a light source configured to selectively illuminate an area of interest and a light sensitive receiver configured to receive light from the light...
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7428080 |
Image reading apparatus, method of controlling image reading apparatus, program, and computer readable storage medium
This invention has as its object to obtain a high-quality read image from which dust or scratches have been removed by an image reading apparatus which reads image information on a transparent...
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7423788 |
Image scanner
The present invention is to provide an image scanner, for scanning a reflection document or a transmission document. The image scanner comprises a shell, a document window glass, a transmission...
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7420716 |
Image reading apparatus
An object of this invention is to provide an image reading apparatus capable of reading an original image at high speed. And other object is to provide an image reading apparatus in which even when...
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7412199 |
Image scanner having pivotal illuminantor plate
An image scanner has a pivotal illuminator plate. The illuminator plate is pivotally coupled to the main housing of the image scanner and storable within the automatic paper feeder when the...
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7388691 |
Method of operating a double-sided scanner
An operating method for a double-sided scanner is provided. A light source of one particular color inside a first group of light sources and a light source of a different color (or the same color)...
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7388690 |
Method for calibrating an imaging apparatus configured for scanning a document
A method for calibrating an imaging apparatus configured for scanning a document, the imaging apparatus including a scanner head having an illuminant and a sensor, and a phosphorescent material...
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7385738 |
Read module, poor connection detection apparatus and poor connection detection method of read module
A read module includes: a light source that applies light to an original to read an image; a photoelectric conversion section that converts reflected light from the original into an image signal of...
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7369283 |
Color image reading apparatus and color image reading method for eliminating or reducing moire
A color image reading apparatus reads an original image by a line sensor through sequentially lighting respective light sources of a plurality of colors with respect to a scan line. An...
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7362478 |
Display and scanning assembly for transparencies
A display and scanning assembly is disclosed wherein light reflected from or transmitted through an image being scanned is transmitted to an optical sensor through an optical shutter assembly via a...
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7352496 |
Image scanning device and shading compensation method thereof
An image scanning device and a shading compensation method include reading out a second region of a reference white sheet spaced by a predetermined distance from a white roller prior to reading out...
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7327498 |
Image reader for use in image forming apparatus
An image reader according to the present invention can change the wavelength of the light radiated from an illumination unit, by switching illumination lamps to radiate a light, so that the light...
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