|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
7397585 |
Imaging 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...
|
|
|
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...
|
|
|
7349133 |
Image 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...
|
|
|
7349132 |
Image 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...
|
|
|
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...
|
|
|
7317562 |
Image reading apparatus with plural sensor IC chips
An image reading apparatus includes a plurality of sensor IC chips aligned in a row. Each of the sensor IC chips incorporates a plurality of light receiving elements. The plurality of light...
|
|
|
7317559 |
Imaging device and imaging method for use in such device
An imaging device which assures high-quality image information free from a line noise by extracting line noise information from a taken image, detecting an existence of an extrinsic line noise in...
|
|
|
7315405 |
Image forming apparatus and image scanning method
As a reading light source, a cold-cathode tube having three wavelengths and an LED array are used in combination. The cold-cathode tube and the LEDs are lit up at different timings when reading a...
|
|
|
7295716 |
Method and apparatus for diffusion based image relighting
A method for image relighting is presented which receives an input image having at least one spurious edge directly resulting from a first illumination present when the input image was acquired,...
|
|
|
7289156 |
Optical data card reader
A data card reader for an electronic apparatus is arranged to read an optical pattern printed upon a data card. The reader includes a card transport assembly to move the data card along a path and...
|
|
|
7286271 |
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...
|
|
|
7286270 |
Optical reading document board and optical reader
In an optical-reading document board, an anti-reflection layer is formed by a transparent film and an anti-reflection film is bonded on a document-resting surface of a transparent glass plate. The...
|
|
|
7286259 |
Self-scanned light-emitting device array, its driving method, and driving circuit
A method for driving a self-scanning light-emitting element array is provided in which two light-emitting elements may be illuminated simultaneously in one chip. In a self-scanning light-emitting...
|
|
|
7284891 |
Line illuminating device and image-scanning device incorporating line-illuminating device
A line-illuminating device which is resistant to shrinkage problems caused by repetition of heating and cooling includes a white casing made of polycarbonate or the like, a light guide made of an...
|
|
|
7280116 |
Pixel data preprocessing methods and systems
Methods and systems are disclosed for preprocessing video display pixel data. A preprocessor is provided with a selectable gamma correction mode and a selectable palette lookup mode. In palette...
|
|
|
7271938 |
Method and apparatus for optical scanning capable of efficiently reducing an image surface distortion
An optical scanning apparatus includes mechanisms for light modulation, light imaging, light deflecting, and light scanning. The light modulation mechanism includes at least one light modulation...
|
|
|
7271937 |
Method and device for imaging using several exposure times
In a method for imaging, a plurality of image sensor elements is used, which generate different output signal values when using different exposure times. For each image sensor element, an image...
|
|
|
7268925 |
Image sensor optimization
A method and apparatus are described for image sensor optimization. According to an embodiment of the invention, a method comprises capturing an image with an image sensor, the image sensor...
|
|
|
7268924 |
Optical reader having reduced parameter determination delay
In the present invention, an optical reader image sensor is adapted to clock out image data from an image sensor according to “low resolution” mode of operation in order to reduce a parameter...
|
|
|
7253928 |
Imaging optical system and image reading apparatus using the same
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...
|
|
|
7251065 |
Image color balance for scanners using an illumination spectral sensor
An image scanning system for producing an electronic version of a hardcopy element which is compensated for spectral content of an illumination source in the image scanning system, the image...
|
|
|
7236275 |
Image reading apparatus and method of reading images
Disclosed is an image reading apparatus capable of selectively executing a flow-scan reading method in which a document is read while the document is transported in a state in which a reader is...
|
|
|
7236270 |
Method of setting reference data of shading corrections, and image reading apparatus
A white reference image is inputted to an image sensor with a light source lit up, and white reference data is set every effective photosensor element by inspecting the output signals of the image...
|
|
|
7233421 |
Data card reader
A data card reader for optically reading data from a card includes a reader unit and a card transport assembly. The reader unit includes an elongated piece of transparent material formed with a...
|
|
|
7233418 |
Calibration method for quick scanning starts
A method for calibrating a scanner that allows the scan to start quickly.
|
|
|
7230741 |
Optimum non-uniformity correction for imaging sensors
The present invention relates to a method of generating intensity measurement correction coefficients for a pixel in a focal plane array of an optical sensor, wherein the correction coefficients...
|
|
|
7224497 |
Light source of image reading apparatus and driving device of light source
The object of the invention is to extend the life of the light source while uniformizing the illuminance intensity in the main scanning direction. The invention is based on a light source of image...
|
|
|
7224494 |
Image reading apparatus, its light source, and shading correcting apparatus
In an image reading apparatus using a contact image sensor, an area light source for reading an image from a film original is provided. The area light source has a light guide plate and an LED...
|
|
|
7209268 |
Line illuminating device
Two illuminating units 2 L and 2 R, each having a light guide provided at its one end, with a light-emitting source, are provided. Each illuminating unit is arranged in such a manner that light...
|
|
|
7206102 |
Image reading apparatus with partially shielded light-receiving elements
An image reading apparatus includes a plurality of light-receiving elements, a lens array, and a light-shielding member. All of the light-receiving elements are arranged in a single line having an...
|
|
|
7193631 |
Display unit and methods of displaying an image
The present invention provides a method of displaying an image on a display device having first and second sides, said image including an light restricting silhouette pattern having a plurality of...
|
|
|
7184181 |
Scanning module capable of finely tuning the optical length
A scanning module capable of finely tuning the optical length comprises a lamp tube, a base, a photosensitive substrate, and an adjustment unit. The lamp tube provides a required light source for a...
|
|
|
7180640 |
Monolithic micro scanning device
A monolithic micro scanning device comprising multiple substrates; source of light for generating a light beam disposed on one of said substrates; and micro mirror disposed on one of said...
|
|
|
7180629 |
Methods and apparatus for color device characterization
Methods and apparatus for color correction of color image data obtained by an electronic camera determine a correction to data representative of the color image based upon an estimated illuminant...
|
|
|
7173234 |
Method reading apparatus and control method thereof having an illumination unit
The deterioration of read-image quality caused by LED color-tone variations is suppressed in a case in which a white-color LED illumination module is used as a light source of a color-image reading...
|