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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 303 1 2 3 4 5 6 7 >