Abstract: An optical system for a scanner according to one example embodiment includes a light source for illuminating a target area and a plurality of mirrors that includes a first mirror positioned to receive a light beam traveling along a first optical path and to reflect the beam along a second optical path. A second mirror receives the beam traveling along the second optical path and reflects the beam along a third optical path. A third mirror receives the beam traveling along the third optical path and reflects the beam along a fourth optical path. A fourth mirror receives the beam traveling along the fourth optical path and reflects the beam along a fifth optical path. A fifth mirror receives the beam traveling along the fifth optical path and reflects the beam along a sixth optical path. An image sensor receives the beam and senses an image of the target area.

Abstract: Scanners built in LCD devices, hence LCD scanners. Without affecting the display functions of an LCD device, an image sensing module is provided behind an LCD unit in the LCD device. By controlling the liquid crystals in the LCD unit, the reflected light from an object placed against the LCD device to be imaged is allowed to pass through and onto an image sensor in the image sensing module to generate an image of the object. This many LCD devices can readily provide scanning functions.

Abstract: An image forming apparatus that forms an image includes: a photosensitive element; an optical scanning device that includes a light source, and scans a surface of the photosensitive element in a main scanning direction with light emitted from the light source to form a latent image; a developing unit that develops the latent image; a photosensitive element period detecting sensor that detects a rotation period of the photosensitive element; a density sensor that detects a density variation of an image developed by the developing unit, in a sub scanning direction; and a processing device that corrects a driving signal of the light source according to the image information, based on an output signal of the density sensor and an output signal of the photosensitive element period detecting sensor.

Abstract: A document reading apparatus includes a white LED including an LED and a fluorescent material and configured to illuminate a document reading position with light, a reading unit having a color line sensor and a monochrome line sensor and configured to read an image of a document illuminated with the light emitted from the white LED, and a filter arranged on an optical path between the monochrome line sensor and the document, and wherein the filter is configured to suppress transmission of light at a peak wavelength of the LED so that, regarding an intensity of light to be received on the monochrome line sensor, the intensity of the light at the peak wavelength of the LED is smaller than the intensity of the light at the peak wavelength of the fluorescent material when the light emitted from the LED is received.

Abstract: The present invention provides a unique and novel system for acquiring digital image frames of identification documents such as driver's license, passports, or medical insurance records using a digital camera so as to establish a high resolution image frame and extracting data automatically with machine vision tools so as to acquire accurate data. The present invention teaches also a system that acquires multi-spectral image frames of both sides of the identification document.

Abstract: A scanner for an electronic device having image display functionality includes lower and upper housings, a scan unit, and an adaptor. The lower housing is formed on opposite sides with a paper inlet and a paper outlet. The upper housing is mounted on the lower housing, and includes a main body provided with a terminal hole, and a support member disposed proximate to the terminal hole and to abut against the electronic device when the electronic device is connected to the scanner. The scan unit includes a scan module disposed between the lower and upper housings, a control module coupled to the scan module, and a connecting terminal coupled to the control module and accessible via the terminal hole. The adaptor is removably mounted to the connecting terminal so as to permit direct electrical connection between the scanner and the electronic device.

Abstract: A color determination unit divides an original image input from an image scanning unit into blocks, and determines whether or not each block is a color image area. The color determination unit determines whether the original is in color or monochrome in each of a plurality of set areas on the basis of the result of determination on the blocks included in that area.

Abstract: In a control device, the scan control unit controls a scanning operation in which data is to be generated by reading a document. The data format selecting unit selects one of a first format or a second format different from the first format as a data format in which the data is to be generated. The resolution setting unit sets a reading resolution based on the data format. The resolution setting unit sets a first resolution as the reading resolution when the data format selecting unit selects the first format whereas the resolution setting unit sets a second resolution different from the first resolution as the reading resolution when the data format selecting unit selects the second format. The scan control unit controls the scanning operation to read the document in the reading resolution set by the resolution setting unit.

Abstract: In a light source unit (210) serving as an embodiment of an illuminating apparatus, when P is a light-emitting element pitch [mm], and H is an optical axis distance [mm] between light-emitting elements (212) and an original (G), and when, in an illuminance cycle (T) representing repetition of bright and dark areas in a main scanning direction (X) on a light-irradiated face (Gs) of the original (G) caused by the light-emitting elements (212), the light-emitting element pitch (P) and the optical axis distance (H) are set such that unevenness [%] (M) (=(L1?L2)/L3 [%]) obtained by dividing a value obtained by subtracting a minimum illuminance value (L2) from a maximum illuminance value (L1) by an average illuminance value (L3) and an inter-unevenness distance [mm] (N) which is a half cycle of the illuminance cycle (T) satisfy the relation M?N/2?5.5, and more preferably, M?N/2?7.5.

Abstract: An image sensor unit includes: a light source including a light emitting element on a light emitting surface; a light guide that causes light from the light source to be incident on a light incident surface facing to the light emitting surface, ejects the light from a light ejecting surface and illuminates a document; a rod lens array that images reflected light from the document; a sensor substrate on which a photoelectric conversion element is mounted, the photoelectric conversion element converting the reflected light imaged by the rod lens array into an electric signal; and a frame that supports the light source, the light guide, the rod lens array and the sensor substrate, wherein positioning sections are provided on an opposite side of the light emitting surface of the light source and at a part of the frame which is disposed at the opposite side of the light emitting surface.

Abstract: The present invention discloses an image sensor, specifically a full spectrum recognition image sensor capable of reading and recognition image information for all of ultraviolet light, visible light and infrared light, which comprises a sensor substrate, photosensitive parts set on the sensor substrate and arranged in a straight line, a lens set on an upper portion of the sensor substrate, a light source set beside the lens, and a framework capable of accommodating said sensor substrate, said lens and said light source.

Abstract: An image processing apparatus including, a light source for reading for applying light onto an original to read, a light source for erasing for applying light of specific wavelength onto the original to decolorize image area, having been printed with color-changing agent having characteristic to become colorless by the light, a reading section for receiving reflected light from the original, an output section for outputting image data of the original, and a control section configured to compare first image data obtained by applying light from the light source for reading to the original, and second image data obtained by applying light from the light source for reading again to the original after applying light from the light source for erasing to the original, to determine whether the agent has been used in the image, and control at least either the reading operation or the output operation based on that determination.

Abstract: An image forming apparatus includes a latent image carrier having a surface that moves, an optical writing unit that scans and emits light in a main scanning direction, a developing unit, a first storage unit, a second storage unit, and a control unit. The first storage unit stores first light intensity adjustment data for adjusting the intensity of light emitted from the optical writing unit such that the deviation of the emission intensity of the light in the main scanning direction due to characteristics of the optical writing unit is corrected. The second storage unit stores second light intensity adjustment data which can be set at each irradiation point in the main scanning direction and is for adjusting the intensity of the light emitted from the optical writing unit such that the deviation of image density at an arbitrary irradiation point in the main scanning direction is corrected.

Abstract: According to one embodiment, an imaging device array includes a plurality of imaging devices integrally including an incidence surface that converges light in the primary scanning direction, plural reflective surfaces that reflect light from the incidence surface multiple times, and an exit surface through which light that has reflected at the plural reflective surfaces exits the array. At least one of the plural reflective surfaces is formed at the apex of a protrusion that protrudes outwardly from the surface of the array, and the light that is output from the exit surface is imaged at an image point.

Abstract: An erecting equal-magnification lens array plate comprises first and second lens array plates stacked on one another, a fourth surface light-shielding wall, and an intermediate light-shielding wall. An intermediate through hole formed in the intermediate light-shielding wall is formed such that the hole diameter is progressively smaller in a tapered fashion away from the first lens array plate toward the second lens array plate. An angle of inclination ? of an interior wall surface of the intermediate through hole with respect to a optical axis is given by ??tan?1(D4/(Gap+L2+H4))/2 where Gap denotes a gap between the lens array plates, L2 denotes a thickness of the second lens array plate, H4 denotes a height of the fourth surface light-shielding wall, and D4 denotes a diameter of the opening of the fourth surface through hole formed in the fourth surface light-shielding wall facing the image plane.

Abstract: An illuminating light source, and a scanner module and an image scanning apparatus including the same. The illuminating light source includes: a vacuum tube have a cylindrical shape, is filled with a discharging gas, and has a light emitting portion disposed in a lengthwise direction thereof; a discharging electrode disposed upon the vacuum tube, and having a width that increases from a center portion to end portions thereof; and a fluorescent body disposed within the vacuum tube, to absorb first light beams emitted by the discharging gas and to emit second light beams having a longer wavelength than the first light beams, with the second light beams being illuminated through the light emitting portion.

Abstract: An image inspecting apparatus includes a first light illuminating unit irradiating a measured object on which an image is formed with light from an inclined direction; a second light illuminating unit irradiating the measured object with light from a different direction; an imaging unit receiving reflected light of the light with which the measured object is irradiated by the first light illuminating unit and the second light illuminating unit; a first and a second reference plate having a mirror surface and a diffuse surface, respectively; and an image inspecting unit inspecting a gloss distribution of the image based on the amount of light received by the imaging unit and a correcting coefficient.

Abstract: An apparatus and a method for controlling a light source used for image reading according to a user activity are provided. The light source controller being coupled to a light source and configured to change the power of the light source from an OFF state to an ON state when a user activity signal having a first state is output, the user activity signal having the first state being assumed to be output when a user activity, other than an instruction to begin scanning, that is assumed to ultimately cause output of the image reading start signal has been performed on the image reading apparatus.

Abstract: A scan bar assembly includes an illuminating unit including a first length; a photosensor array including a second length; and a first spacer member and a second spacer member, each of the first and second spacer members including: an inner side that is proximate the photosensor array; and an outer side that is distal to the photosensor array, wherein a distance between the inner side of the first spacer member and the inner side of the second spacer member is greater than the second length and less than the first length.

Abstract: A scanner unit of a multifunction printer (MFP) increases the speed of movement of a scanner head and lowers the scanning resolution during the scanning of a blank area of an image, and decreases the speed of movement of the scanner head and increases the scanning resolution during the scanning of an image area of an image.

Abstract: The image scanning apparatus includes a light source including at least one light emitting diode (LED) to irradiate light to a document which is a scan target, a light source control unit to control a lighting-up point of time of the light source, an image sensor to transform an image formed by light reflected from the document into an electric signal according to a result of controlling the lighting-up point of time, and an output unit to output image data corresponding to the transformed electric signal.

Abstract: This disclosure describes techniques and apparatuses for reducing color fringes. In some embodiments, inaccuracies from color-insensitive sensors are corrected. Inaccuracies can be corrected in part by shortening a first illumination made temporally proximate a second illumination. By so doing, a center of the image captured for a first illumination is moved toward the image captured for a second illumination, which reduces a color fringe.

Abstract: Provided is a control device for controlling a light source element configured to irradiate light for reading an image on a document including: a drive portion configured to selectively apply a first drive voltage and a second drive voltage lower than the first drive voltage to the light source element; a detector configured to detect a light quantity of reflected light of the light irradiated to the image; and a control portion configured to control the drive portion and switch between applications of the first drive voltage and the second drive voltage, wherein the control portion controls the drive portion based on a threshold period set in relation to an elapsed period from an application time of the first drive voltage and a threshold light quantity set in relation to the light quantity of the reflected light.

Abstract: An erecting equal-magnification lens array plate includes: a first lens array plate provided with a plurality of first lenses arranged on a first surface and a plurality of second lenses arranged on a second surface opposite to the first surface; and a second lens array plate provided with a plurality of third lenses arranged on a third surface and a plurality of fourth lenses arranged on a fourth surface opposite to the third surface. The first and second lens array plates form a stack such that the second surface and the third surface face each other. The erecting equal-magnification lens array plate receives light from a linear light source facing the first surface and forms an erect equal-magnification image of the linear light source on an image plane facing the fourth surface. An annular slope is formed around each second lens and each third lens.

Abstract: Raster Output Scanners and printing systems are presented along with methods for mitigating banding in printing systems, in which electronic banding compensation is employed using cross-process direction light source intensity banding correction profiles tailored to corresponding reflective facets of a rotating polygon.

Abstract: An image reading device includes a light source; a light guiding member; an imaging optical system that reflects the light, which faces a first direction from the object, in a second direction intersecting the first direction by a reflective plane disposed in the first direction of the object, that makes the light, which is reflected by the reflective plane, converge toward the second direction by an emission portion disposed in the second direction of the reflective plane, and that images an erect equal-magnification image of the object in the second direction of the emission portion; and an optical sensor that is disposed in the second direction of the emission portion of the imaging optical system, and detects the erect equal-magnification image that is imaged by the imaging optical system, in which the light guiding member is disposed at an object side of the emission portion in the first direction.

Abstract: An image reading device includes a reading unit having a light-receiving unit and a light-emitting unit emitting a plurality of lights of different colors toward a reading position. An opposing member is disposed opposite the reading unit with the reading position interposed therebetween. The controller controls the light-emitting unit to emit the lights and the light-receiving unit to receive the lights thereby acquiring an intensity of each light. The controller determines that a sheet is not present when relationships among intensities of the plurality of lights are same as the first intensity relationships. The first intensity relationships are defined by intensities of the plurality of lights reflected by the opposing member and received by the light-receiving unit. The first intensity relationships are different from intensity relationships of the plurality of lights reflected by a sheet present at the reading position and received by the light-receiving unit.

Abstract: Disclosed is an image reading controller including an output unit that outputs plural control signals for controlling turning on and off of a light emitting unit of an image reading unit including the light emitting unit and a light receiving unit on respective transmission paths, the plural control signals satisfying at least one of a first condition that respective transmission paths are separated from each other by a predetermined distance or more and a second condition that types of the respective transmission paths are different from each other; and a controller that controls turning on and off of the light emitting unit on the basis of the plural control signals output from the output unit and input through the respective transmission paths.

Abstract: A light scanning unit and an electrophotographic image forming apparatus using the same. The light scanning unit uses a reduced number of optical components by forming an optical unit disposed between a light source and an optical deflector by using only a single lens and ensures optical and mechanical properties by having an appropriate main/sub scanning magnification ratio.

Abstract: An image scanning device includes: a light source; a light guide for converting light from the light source into a linear light beam and applying the linear light beam onto a reading position; an image reading element for receiving the light beam reflected from the reading position; and a light intensity sensor for detecting an intensity of the light emitted from the light source.

Abstract: In an image scanning apparatus, a carriage includes a slide block arranged to be guided by a guide rail, and a carriage main body arranged to be mounted onto the slide block. The slide block is mounted on the guide rail in either a standard position or an adjusting position. When the slide block being is in the standard position, the carriage main body is positioned relative to the slide block. When the slide block is in the adjusting position, the angle of the carriage main body can be adjusted relative to the guide rail by swinging the carriage main body relative to the slide block upon a fulcrum pin.

Abstract: The technology disclosed relates to methods and devices that compensate for displacements in a pattern or deformations of a workpiece. In particular, this relates to using timing to compensate for displacements along a first axis along the scanning direction while using resampling, interpolation or a similar method to compensate for displacements along a second axis that is substantially orthogonal to the first axis. The scanning direction may be an actual direction of movement of the scanning head or it may be a direction perpendicular to an orientation of an image projected onto a workpiece.

Abstract: A device for generating an image of an object is provided, comprising an illumination module, by means of which the object can be illuminated with a pattern whose phase is altered temporally, a recording module, by means of which a plurality of recordings of the object are carried out during the phase change of the pattern, and a processing module, which generates the image from the recordings, wherein the illumination module moves a light beam over the object and modulates its intensity synchronously with the movement such that the beam generates the pattern in scanning fashion.

Abstract: An image reading apparatus capable of reading documents includes a reading unit including a light emitting element, a mechanism configured to move the reading unit, and a control unit configured to control the reading unit and the mechanism both to carry out reading by turning on the light emitting element and moving the reading unit and to temporarily stop moving the reading unit upon occurrence of a predetermined factor. The control unit sets a first current value which is caused to flow through the light emitting element when reading is carried out and sets a second current value which is less than the first current value and which is caused to flow through the light emitting element when the reading unit is temporarily stopped.

Abstract: Top surfaces and inclined surfaces of prisms on a side opposite to a light source are formed such that, in a region on a light source side, light traveling in a light guide body toward the side opposite to the light source is sequentially reflected by the top surfaces and the inclined surfaces of the side opposite to the light surface of the prisms and approaches a direction orthogonal to the longitudinal direction of the light guide body. The height of the prisms can be the lowest in the longitudinally central portion of the light guide body, and gradually increases toward the light source side and the side opposite to the light source, from the central portion.

Abstract: A method and system include using a scanner to copy a document containing an original image and an embossment. The method includes first scanning a front face of the document from which the original image is visible to form a first image, wherein the first scanning is conducted with a sensitivity such that the embossment is essentially not visible in the first image; increasing a sensitivity of the scanner; second scanning the document to create a second image, wherein the embossment is visible in the second image; combining the first and second images so as to obtain a reproduction image of the original image containing the embossment.

Abstract: A complex apparatus includes a recording device including a recording unit that executes recording on a medium; an image reading device, provided so as to be freely openable/closable with respect to the upper portion of the recording device via a hinge portion, including an image reading unit that reads an image; a first contact portion, provided in the image reading device, that makes contact with a housing of the recording device when the image reading device is in a closed state; a second contact portion, provided in the housing of the recording device, that makes contact with the first contact portion when the image reading device is in a closed state; and a third contact portion, provided in an apparatus frame that holds the recording unit, that makes contact with the housing of the recording device at the lower area of the second contact portion.

Abstract: An image reading apparatus comprises: an image reading unit that includes a platen glass and a color contact image sensor configured by a line image sensor for reading red, a line image sensor for reading green, and a line image sensor for reading blue, the line image sensors being disposed in a sub-scanning direction of an original; and an automatic original feeder. In the image reading apparatus, the line image sensor for reading red and the line image sensor for reading green are disposed so that a line gap therebetween is two lines, and in a monochrome mode in which a color original is read and output as a monochrome image, the color original is read using the line image sensor for reading red and the line image sensor for reading green.

Abstract: A camera system for imaging a document including an enclosed imaging-optical-chamber, at least one camera mounted inside the imaging-optical-chamber and having a lens defining the primary FOV of the camera, at least one light source for illuminating the document; at least one light-occluding structures, wherein each light sources are operatively coupled with a light-occluding structures, a glass-window, wherein the document is operatively disposed on the glass-window, and wherein the glass-window extends the FOV of the camera thereby forming an extended FOV of the camera. The system further includes at least one mirror operatively coupled with at least one of the light sources. Preferably, the light sources are disposed inside the primary FOV of the camera, such that the imaginary light-source of the light source is disposed outside the extended FOV of the camera.

Abstract: A pressing plate is used for an overhead scanner. The overhead scanner includes an imaging unit that images a medium to be read that is placed on a placement surface located under the imaging unit in the vertical direction and a light source that irradiates the medium to be read with light. The pressing plate includes a pressing plate main body for pressing the medium to be read from an upper side in the vertical direction and a plurality of anti-glare units arranged inside the pressing plate main body. The pressing plate main body is light transmissive. The anti-glare units block light reflected toward a side opposite to an incident light side from the light source, with respect to a vertical axis, among light reflected from the medium.

Abstract: An illumination device for an image capture system according to one example embodiment includes an integrating light pipe having an input face and an output face. The integrating light pipe is positioned to receive light from a light source at the input face and transmit the light at the output face. A projection element is positioned to focus the light from the output face to a document plane to be imaged by an image sensor. A uniformity correction device is positioned to attenuate the light from the output face so that the light has a substantially uniform intensity at the image sensor and a less uniform intensity at the document plane than at the image sensor.

Abstract: An image reading apparatus includes: a light emitting element array that includes plural light emitting elements arranged in line in a first scan direction of a document; a guiding unit that guides light entering from the light emitting element array, and that emits the light toward a reading position of the document while diffusing the light; a light receiving unit that receives reflected light from the reading position irradiated with the light from the light emitting element array through the guiding unit; and a scan unit that moves the reading position of the document in a second scan direction, the reading position being a position read by the light receiving unit.

Abstract: A document reading device (1) comprises a mounting surface (5) on which a page to be read (9) of a passport (7) is placed, a camera (13) for taking an image of the page to be read (9), an illumination light source (15) for radiating illumination light that will be reflected on the page to be read (9), and an ultraviolet light source (41) for radiating ultraviolet light to activate a fluorescent material on the page to be read (9). The illumination light source (15) is located at a position corresponding to a first edge (73) perpendicular to a binding edge (71) on the page to be read (9) and radiates illumination light in the direction intersecting with the first edge (73). The ultraviolet light source (41) is located at a position corresponding to a second edge (75) parallel to the binding edge (71) and arranged to radiate ultraviolet light in the direction intersecting with the second edge (75). The illumination light source (15) includes an infrared light source (21) and a white light source (31).

Abstract: A sheet-fed scanner includes a housing, a scan assembly carrier, a scan assembly and a bent linking member. The scan assembly carrier is movably disposed in the housing. The scan assembly mounted in the scan assembly carrier scans a side of an original sheet in a main scan direction. The bent linking member disposed between the housing and the scan assembly carrier includes a first section and a second section. The first section extends transversally in relation to the main scan direction and interconnecting two opposed ends of the scan assembly carrier. The second section, connected with the first section, forms an angle with the first section. As one of two opposed ends of the scan assembly carrier is pushed towards the housing in a direction, the bent linking member urges the other end to move in the same direction.

Abstract: Since a light emitting surface in a cross section perpendicular to the longitudinal direction of a light guide is formed to have a smaller width than a reflecting surface, light of an LED, which is incident from an end surface of the light guide and is scattered throughout the entirety of the longitudinal direction in the reflecting surface, is condensed toward the light emitting surface, and is then emitted in the form of a band toward a document from the light emitting surface. Therefore, it is possible to provide a CIS module including an illumination unit having a new configuration capable of illuminating a portion where the document and an optical axis of the lens array included in the lens unit intersect, in the form of a band with high efficiency using the illumination unit.

Abstract: A light guide inserted into an inclined groove is disposed so as to partially overlap with a lens unit that is fitted into a concave groove disposed parallel to the inclined groove when seen in a plan view, to regulate the separation of the lens unit from the concave groove and hold the lens unit in an insertion state by the light guide. Therefore, a fixing unit such as an adhesive agent is not required in fixedly disposing the light guide and the lens unit at a predetermined position of a frame, and a CIS module is assembled without using an adhesive agent, thereby allowing the CIS module that is easily disassembled when being discarded and that improves recycling efficiency to be provided.

Abstract: An image reading apparatus includes a contact glass having a light control glass part having transmittance changeable by an applied voltage; a scanner part reading an original placed on an original placement surface of the contact glass and outputting image data in a storage part; a projector part projecting image information onto the contact glass from a side opposite to the original placement surface; and a control part controlling the voltage applied to the light controlling glass part. When the scanner part is operated, the control part causes the transmittance of the contact glass to increase and the projector part stops projecting the image information, and when the scanner part is not operated, the control part causes the transmittance of the contact glass to decrease and the projector part projects the image data stored in the storage part onto the contact glass.

Abstract: A power supply control device includes a user interface unit including a touch panel unit that has a display function and an input function and a backlight unit, a control unit that controls the process of a processing apparatus body, at least two types of moving body detecting units that are capable of detecting a moving body and have at least relatively short and long detectable distances, a stepwise power supply unit that supplies power to the control unit when one moving body detecting unit with a short detection distance starts detection at the time when the other movement detecting unit with a long detection distance detects the moving body and detects the moving body, and an adjustment unit that, when the one moving body detecting unit does not detect the moving body, first adjusts the brightness of the backlight unit to predetermined brightness less than normal brightness.

Abstract: An image reading device includes a conveying unit, reading unit, and a control unit. The conveying unit conveys successive two sheets along a conveying path such that a gap is formed between the successive two sheets. The reading unit reads a sheet conveyed at a reading position in the conveying path. The reading unit has a light source and light-receiving unit. The control unit controls the light source to emit light at a first light intensity for a sheet that has reached the reading position. The light-receiving unit receives light reflected by the sheet present at the reading position. The control unit further controls the light source to emit a light at a second light intensity lower than the first light intensity during a period of time from when the reading unit has been read the preceding sheet to when the reading unit begins reading the subsequent sheet.

Abstract: Provided are: a light source that emits light; a light guide including: a curved portion including a light incident surface from which the light from the light source enters; and a linear portion including a light emission surface from which the light is emitted to an original, the linear portion coupled to the curved portion and extended in a main-scan direction, the curved portion reflecting the light entered from the light incident surface to the linear portion; and a frame that houses the light source, and the light guide, wherein the light guide includes an inclined portion inclined in a direction that increases an incident angle ? of the light, the inclined portion formed in a range of the linear portion where the light reflected by the curved portion enters.