Patent application number | Description | Published |
20090290200 | DOCUMENT READ APPARATUS AND IMAGE FORMING APPARATUS - The document read apparatus according to the present invention has a light source unit that includes a linear first light and second light sources, both light sources aligned parallel to the sub scanning direction (moving direction). When the light source unit is scanning a book document in a second region shifted toward a side of the first light source from a center position for emitting light to the center of the document, a light quantity of the second light source becomes larger than a light quantity of the first light source. When the light source unit is scanning the book document in a third region shifted toward a side of the second light source from the center position, the light quantity of the first light source becomes larger than the light quantity of the second light source. A sum of both light quantities is controlled to be constant. | 11-26-2009 |
20100124439 | ILLUMINATING DEVICE, IMAGE-READING APPARATUS, AND IMAGE-FORMING EQUIPMENT - An embodiment of the present invention provides an illuminating device that is disposed in an image-reading apparatus and image-forming equipment, comprising: a light-source portion on one side; a light-source portion on the other side; and a long translucent light-guiding member having a light-discharging face long in a longitudinal direction thereof, and guiding light derived from the one light-source portion from one end face in the longitudinal direction, and light derived from the other light-source portion from the other end face in the longitudinal direction so that the guided light is irradiated to an object through the long light-discharging face; wherein the one and the other light-source portions are arranged such that positions of optical axes thereof differ from each other. | 05-20-2010 |
20100245944 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - In regard to a secured original method, an image reading apparatus provided in an image forming apparatus reads a first original guide using an original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the first original guide and a brightness of the adjustment sheet. In regard to a moving original method, the image reading apparatus reads a reading member using the original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the reading member and a brightness of the adjustment sheet. | 09-30-2010 |
20100290095 | LIGHT SOURCE APPARATUS, LIGHT IRRADIATING APPARATUS PROVIDED WITH SAME LIGHT SOURCE APPARATUS, IMAGE READING APPARATUS PROVIDED WITH SAME LIGHT IRRADIATING APPARATUS, AND IMAGE FORMING APPARATUS PROVIDED WITH SAME IMAGE READING APPARATUS - In one embodiment of a semiconductor apparatus of the present invention, a plurality of light-emitting elements provided with a light-emitting face are disposed at intervals in a line on a surface of a substrate, and serve as a light source apparatus that emits irradiating light forward from the light-emitting face along the surface of the substrate, and on a forward side of the light-emitting face in the surface of the substrate, a light reflection suppression area is formed extending forward with a width less than the width of the light-emitting face from a lower edge of the light-emitting face. | 11-18-2010 |
20110164413 | ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An illuminating device ( | 07-07-2011 |
20110164899 | ILLUMINATING DEVICE, IMAGE-READING APPARATUS COMPRISING THE ILLUMINATING DEVICE, AND IMAGE-FORMING APPARATUS COMPRISING THE IMAGE-READING APPARATUS - An illuminating device includes a light-emitting element that is mounted on a base material and a light-guiding member that guides light from the light-emitting element to an irradiation target, and illuminates the irradiation target with the light transmitted through the light-guiding member. The light-guiding member includes an extending portion that extends from the surface of the base material on which the light-emitting element is mounted to a left side end portion of the base material so as to cover the left side end portion. An image-reading includes this illuminating device. Image-forming apparatus includes this image-reading apparatus. | 07-07-2011 |
20110188092 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An image reading apparatus includes a reading glass, a second guide member, and a control section. The reading glass and the second guide member together form a document feed path. The second guide member includes a white reference plate. The control section performs, when it is determined that shading correction image data is affected by a stain, a stain location determination of whether the stain is attached to the reading glass or the second guide member according to a tone value variation in the portion of the shading correction image data that corresponds to the stain edge, the variation being along a predetermined distance in the main scanning direction. | 08-04-2011 |
20110199652 | ILLUMINATING DEVICE, IMAGE-READING APPARATUS PROVIDED WITH THE ILLUMINATING DEVICE, AND IMAGE-FORMING APPARATUS PROVIDED WITH THE IMAGE-READING APPARATUS - The present invention provides an illuminating device including a plurality of light-emitting elements arranged in a line, the illuminating device illuminates an irradiation target by irradiating the irradiation target with light that is emitted from the light-emitting elements via a first and a second optical paths. In the illuminating device, a light diffusing portion for diffusing light is provided in one of the first optical path and the second optical path, and an irradiation light amount of said one of the first optical path and the second optical path in which the light diffusing portion is provided is larger than an irradiation light amount of the other optical path. | 08-18-2011 |
20110273752 | ILLUMINATING APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS - In a light source unit ( | 11-10-2011 |
20120008155 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A transparent sheet is attached onto an inclined surface of an original guide plate of an image reading apparatus, and similarly, a transparent sheet is attached onto an inclined surface at an edge portion of a reading guide plate, thereby preventing an original from being chipped by the ground glass-like inclined surfaces and illumination light from being diffused by the ground glass-like inclined surfaces. | 01-12-2012 |
20120026562 | IMAGE READING DEVICE AND IMAGE FORMING APPARATUS - A document reading section includes a document load table, a document load tray, a first document receiving tray, a linear conveyance path, a first guide member and a first reading section. The linear conveyance path, inclining downward from the document load tray, reaches the first document receiving tray. The first guide member is disposed in the linear conveyance path, and its top surface inclines downward along the linear conveyance path toward a downstream side in a document conveying direction in relation to the document load table. The first guide member is disposed in such a manner that part of its top surface intersects with a plane containing a top surface of the document load table. | 02-02-2012 |
20140240797 | ILLUMINATING DEVICE, IMAGE READING APPARATUS INCLUDING THE ILLUMINATING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING THE IMAGE READING APPARATUS - An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. | 08-28-2014 |
20140285857 | ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An illuminating device ( | 09-25-2014 |
20140286046 | ILLUMINATING DEVICE, IMAGE READING APPARATUS INCLUDING THE ILLUMINATING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING THE IMAGE READING APPARATUS - An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. | 09-25-2014 |
20140341611 | IMAGE FORMING APPARATUS - An image forming apparatus ( | 11-20-2014 |
20140376068 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An image reading apparatus includes an image scanning unit that is provided with a holding portion holding a flexible flat cable. The holding portion is protruded toward an upstream side in a sub scanning direction, and provided with a second wall part. The flexible flat cable that is extended from a connector is brought into contact with the second wall part. As for the flexible flat cable, a downward movement is regulated by a lower holding portion and an upward movement is regulated by an upper holding portion. Accordingly, the flexible flat cable does not rise. | 12-25-2014 |
Patent application number | Description | Published |
20080196937 | STRUCTURE SUPPORTING DISTRIBUTION CABLE OF DOCUMENT READING APPARATUS - An embodiment of the present invention involves a document reading apparatus that includes an optical scanning unit that moves back and forth in a document reading direction so as to read information of a document placed on a document placement table arranged in a top face of a frame by irradiating the document with light emitted from a light source lamp, and a distribution cable connected to the light source lamp. The optical scanning unit includes a support member that leads out and supports the distribution cable connected to the light source lamp in the document reading direction, and the support member includes a regulating member that regulates inclination of the lead-out distribution cable with respect to the document reading direction to support the distribution cable so as to be substantially parallel to the document reading direction. | 08-21-2008 |
20090034027 | ORIGINAL TRANSPORT AND READING APPARATUS, READING POSITION ADJUSTMENT METHOD OF ORIGINAL TRANSPORT AND READING APPARATUS, AND IMAGE FORMING APPARATUS - An original transport and reading apparatus includes an original transport apparatus having a transport path, a first image reading unit that reads an image of an original facing the original transport apparatus, and a second image reading unit that is arranged inside the original transport apparatus and reads an image of the original. The second image reading unit includes a light source, a turning mirror, a lens, an image sensor, and a rotation support shaft, and is accommodated and held by a unit casing. The rotation support shaft performs support so as to allow rotation of the second image reading unit centered on a rotational fulcrum that is arranged along a reading light path for reading an image at a second reading position. Furthermore, a curved original guide having a guiding surface that is curved is arranged in a position corresponding to the light source. | 02-05-2009 |
20090180158 | ORIGINAL READING APPARATUS - One embodiment of an original reading apparatus is provided with an original scanning portion, an intermediate scanning portion, and an original size sensor arranged on the intermediate scanning portion so as to face a platen, and in a standby state before reading an original, a state is achieved in which the original scanning portion is positioned near an upstream side of an effective original reading region in a sub-scanning reading direction and the intermediate scanning portion is positioned near the center of the effective original reading region in the sub-scanning direction and, in this state, detection of the size of the original is carried out by the original size sensor before reading the original. | 07-16-2009 |
Patent application number | Description | Published |
20090021451 | SCANNER APPARATUS AND INFORMATION DISPLAY SYSTEM PROVIDED WITH THE SAME - The scanner apparatus which can be stored in the pedestal supporting the display apparatus has slide members on its side, which are engaged with slide members provided on the pedestal, and the apparatus can be stored so as to be drawn out freely from the pedestal. In addition, the upper unit incorporating an automatic document feeder is rotatable upward on a rotary shaft provided on the side of the apparatus in a state of being drawn out from the pedestal, and when a jam occurs, the scanner apparatus is drawn out from the pedestal to rotate the upper unit upward and open a part of a sheet feeding path, and thereby a jammed sheet can be removed. | 01-22-2009 |
20090021800 | DISPLAY SYSTEM - The display system includes the display apparatus and the scanner apparatus disposed so as to be drawable forward below the display apparatus. In addition, the upper unit is attached so as to be openable and closeable to the lower unit. Moreover, in the scanner apparatus, a sheet-like original, an image of which is read by the image reading device, can be fed from a front side of the upper unit. In addition, when the image of the sheet-like original is read by the scanner apparatus, the original is fed from the front face side of the scanner apparatus to read the original image, and when an image of a book original is read, the scanner apparatus is pulled out forward so that an image of the book original is read in a state where the upper unit is opened. | 01-22-2009 |
20090021805 | SCANNER APPARATUS AND INFORMATION DISPLAY SYSTEM PROVIDED WITH THE SAME - A compact scanner apparatus is provided that is suitable for constituting an information display system by being stored in a pedestal which supports a display apparatus. The scanner apparatus is composed of an upper unit provided with an automatic document feeder and a lower unit provided with an image reading device, wherein a width guide rack mechanism having a function of detecting an original size is independent from a paper feed tray and disposed above the paper feed tray. Thereby, it is possible to store the paper feed tray and the whole of the width guide rack mechanism within the apparatus. | 01-22-2009 |
Patent application number | Description | Published |
20120206779 | ILLUMINATING DEVICE, IMAGE READING APPARATUS INCLUDING THE ILLUINATING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING THE IMAGE READING APPARATUS - An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. | 08-16-2012 |
20130108309 | IMAGE READER AND IMAGE FORMING APPARATUS | 05-02-2013 |
20150022843 | IMAGE READER AND IMAGE FORMING APPARATUS - An image reader is provided, in its housing, with a first scanning unit made up of an LED array of a plurality of LED elements that are arranged in a row in the horizontal scanning direction and that emit light to a document. An air intake port and an air exhaust port are disposed on the housing of the image reader. An imaginary line of an air flow path coupling the air intake port and the air exhaust port to one another is configured to pass adjacent a center of the LED array of the first scanning unit in the horizontal scanning direction with the first scanning unit stopped at a reading position of the document transferred by a document transfer device. | 01-22-2015 |
20150055195 | LIGHT GUIDING BODY, ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - A light guiding body includes a long translucent body, a light incident surface formed at an end of the body in a longitudinal direction of the body, a light emitting surface formed on one side surface of the body along the longitudinal direction of the body, and a light emitting quantity adjusting portion formed on the other side surface of the body along the longitudinal direction of the body so as to be opposite to the light emitting surface. The light guiding body guides, in the body, light incident to the light incident surface, reflects the light by the light emitting quantity adjusting portion, and emits the light from the light emitting surface. A width of the light emitting quantity adjusting portion of the body in a direction perpendicular to the longitudinal direction of the body is varied according to a position in the width in the longitudinal direction. | 02-26-2015 |