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Class 358/509 - Illumination


Subclass of Class 358 - Facsimile and static presentation processing
Definition: Subject matter including specific characteristics or details
No. of patents: 373
Last issue date: 01/31/2012


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NumberTitleIssue Date
8107139Color adjusting apparatus and method for light source
Color adjusting apparatus and method for a light source. A reflector of a required color is added to a light source of a scan module, a plating film of the required color is formed on a lens, or the lens is dyed with the required color. Or alternatively, the color o...
01/31/2012
8085450Image reading apparatus and image reading method
The invention provides, as an aspect thereof, an image reading apparatus including a light irradiating unit that has a red-light irradiating sub-unit that irradiates red light onto a reading target object, a green-light irradiating sub-unit that irradiates green lig...
12/27/2011
7990587Electronic endoscope having an apparatus for controlling a shading member
An electronic endoscope has a video-scope with an image sensor, a light source, a signal reading processor, a shading member, a driver, and a driving controller. The signal reading processor alternately reads odd-line image-pixel signals and even-line image-pixel si...
08/02/2011
7884978Image reading apparatus, light intensity control circuit, and light intensity control method
An aspect of the invention provides an image reading apparatus including: first and second light emitters that emit lights; a light guide unit that guides the lights emitted from the first and second light emitters to irradiate a document with the light; a photoelec...
02/08/2011
7852530Illumination source comprising a plurality of light emitting diode groups
An illumination source comprises a plurality of groups of serially-coupled light emitting diodes (LEDs). The LEDs in each group have an emission-spectrum that is common to that group. At least one group has a different emission-spectrum from at least one other group...
12/14/2010
7826110Light scanning apparatus, light scanning method, image forming apparatus, and color image forming apparatus
A light scanning apparatus is provided that has plural light sources which scan plural light beams in a main scanning direction. The light scanning apparatus comprises a light source control unit that controls the plural light sources. Where an array of N (N≧2) li...
11/02/2010
RE41876Light source mechanism for an imaging apparatus
A light source mechanism for an imaging apparatus comprises at least a point light source and a light shield. The point light source located at one end of the light shield is used for providing illumination to the imaging apparatus during a scanning process. The lig...
10/26/2010
RE41484Light-emitting diode light source control method
A light-emitting diode (LED) light source control method is disclosed. The light-emitting diode light source control method is used for controlling a composite and a single color LED light source. The composite color LED light source can provide two of the three ori...
08/10/2010
7706032Scanner device and image forming apparatus
A scanner device and an image forming apparatus, each having a shading correction unit are disclosed. The shading correction unit is implemented by a lens block, including a fixer and a wall. The fixer fixes a position of the lens block. The wall, connected to the f...
04/27/2010
7663787Document deciding apparatus, document reading apparatus, image forming apparatus and document deciding method
A document deciding apparatus includes: a light source; a light-quantity detection unit detecting a reference light quantity based on irradiation of the light source, and respective light quantities of plural colors based on reflection from or transmission through a...
02/16/2010
7616359Image 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 and includes plural light sources different in spectral distribution, a...
11/10/2009
7583419System 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 hyperspectral bandpasses, a director for directing the component beams to illumi...
09/01/2009
7538916Document 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 direction of a long-sized lens, and a convergent point is placed at a l...
05/26/2009
7535606CIS (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 array to collect reflected light, wherein said contact image sensor devi...
05/19/2009
7529004Color 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 emitters, each characterized by an individual color channel. There may be ni...
05/05/2009
7502148Multiple 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 for converting an incident line image into video signal output; an int...
03/10/2009
7460282Dynamic 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 purpose of processing light. The combination of the processor and mo...
12/02/2008
7446913Image 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 element reflects a beam of light from the light source to produce a beam o...
11/04/2008
7440151Image 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 information of an original, such as a document, with high precision. The...
10/21/2008
7433096Scanning 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 source and generate signals based on the received light. Control logic is ...
10/07/2008
7428080Image 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 original by synchronously scanning a light source unit and image reading ...
09/23/2008
7423788Image 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 document carrier, and an optical chassis. The shell has a groove on its ...
09/09/2008
7420716Image 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 heat is generated at an inverter, reading operation is not influence...
09/02/2008
7412199Image 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 illuminator plate is not used. For scanning a transparent object, the illumi...
08/12/2008
7397585Imaging optical system and image reading apparatus including four, free-form shaped, resin off-axis reflective elements
Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical syste...
07/08/2008
7388690Method 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 forming a phosphorescent area located opposite the scanner head, the met...
06/17/2008
7388691Method 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) inside a second group of light source are lit to scan the front and b...
06/17/2008
7385738Read 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 the image; and a connector to be electrically connected to a control...
06/10/2008
7369287Mirror positioning structure for compensation of skew and bow and laser scanning unit employing the same
A mirror positioning structure for compensating skew and bow includes a mirror rotating member having a recess at one side to hold a mirror inserted therein and a rotation shaft protruding from an opposite side. A mirror position changing member has an opening throu...
05/06/2008
7368695Image sensor package and fabrication method
An image sensor package is disclosed that reduces the overall size of known image sensor packages. The image sensor package includes an image sensor and image sensor controller that are arranged on a substrate so that the surfaces of the image sensor and image senso...
05/06/2008
7369284Image signal processing method, image signal processing device, and image signal processing system
A color image signal processing device having a high resolution and excellent color reproducibility even though the device comprises a one-chip color sensor. The data format for transmitting image information inputted through an input unit to an output unit includes...
05/06/2008
7369283Color 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 analog-to-digital converter converts an analog image signal read by said line sen...
05/06/2008
7365764Scanning optical apparatus and color image forming apparatus using the same
A scanning optical apparatus includes a light source capable of being modulated, a deflecting element for deflecting and scanning a beam emitted from the light source, a scanning optical element for imaging the deflected beam into a spot shape on a scanned surface, ...
04/29/2008
7362478Display 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 light guide assembly. The optical shutter assembly is made substanti...
04/22/2008
7358475Solid-state imaging device and camera
A solid-state imaging device includes pixels 2 arranged two-dimensionally on a semiconductor substrate 1. In a predetermined area in each pixel is formed a light-sensitive area 3 for receiving incident light 11, and each pixel includes a ...
04/15/2008
7352496Image 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 a to-be-scanned document to generate a reference shading compensatio...
04/01/2008
7349133Image reading apparatus
An image reading apparatus that detects failure in the white LEDs constituting a white LED array. Failure in the white LEDs is detected by comparison between a prescribed current threshold and the current running in the LED array detected by an image reading apparat...
03/25/2008
7349132Image reading apparatus
An image reading unit according to the present invention includes a lamp to incorporate a change in temperature conditions to the emitting light amount, the lamp capable of illuminating an reading object with a light of a predetermined intensity, an image signal gen...
03/25/2008
7348960Backlight device and method for controlling light source brightness thereof
A backlight device includes a light source module having a plurality of light sources, a detecting circuit, a control unit, and a pulse width modulation (PWM) driving circuit. The detecting circuit is used for detecting the brightness of the light source module and ...
03/25/2008
7339699Image processing apparatus
An image processing apparatus includes a first sensor having a plurality of reading elements arranged in the primary scanning direction, a second sensor disposed in parallel with the first sensor and by a predetermined lines in the secondary scanning direction, an i...
03/04/2008
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