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| Number | Title | Issue Date |
| 8130426 | Image reader, light guide used for the same, and method of making light guide An elongate light guide includes a light incident portion provided at an end in the longitudinal direction of the guide, a light reflecting portion extending in the longitudinal direction, a light emitting portion extending in the longitudinal direction for emitting... | 03/06/2012 |
| 8120823 | Optical beam scanning apparatus, image forming apparatus In an optical beam scanning apparatus and an image forming apparatus equipped with the optical beam scanning apparatus of the present invention, plural optical members that irradiate scanning lines by laser beams (beams) emitted from plural light sources individuall... | 02/21/2012 |
| 7990584 | Rod-shaped light guide and image reading device A rod-shaped light guide reflects light incident on an end face thereof in the interior of the rod-shaped light guide and emits the light outside from a light emitting surface provided to extend in the longitudinal direction. The rod-shaped light guide includes: a s... | 08/02/2011 |
| 7973983 | Light guide device and illumination module using the same An illumination module is provided in the invention. The illumination module includes a light source having a plurality of light emitting elements arranged in a linear array and a light guide device. The light guide device receives light from the light source and ge... | 07/05/2011 |
| 7940433 | Image sensor An image sensor includes an elongated case, a light source provided in the case, a light guiding member elongated in a longitudinal direction of the case and configured to direct light emitted from the light source toward a document to be read, an optical system for... | 05/10/2011 |
| 7924478 | Scanner module and image scanning apparatus employing the same Disclosed are a scanner module and an image scanning apparatus employing the same. The scanner module includes a light source generating light to be irradiated onto an object and a light guide member extending in correspondence with a width of the object to be scann... | 04/12/2011 |
| 7903298 | Image reading apparatus, and its manufacturing method An image reader A1 according to the present invention comprises a pair of light source devices 3, a light guide member 4, a first and a second reflectors 7A and 7B, a plurality of light receiving elements 5, and a case 1 | 03/08/2011 |
| 7864385 | Planar light source of scanning apparatus A planar light source for use in a scanning apparatus includes a light-emitting element, a first light-guiding portion and a second light-guiding portion. The light-emitting element is arranged at a side of the scanning platform opposite to the carriage module for p... | 01/04/2011 |
| 7855815 | Light guide optical system, document illuminating device using same, and image reading apparatus using same A light guide optical system guides a plurality of light beams emitted from a plurality of point light sources arranged linearly to a predetermined surface. The light guide optical system has a plurality of optical surfaces arranged periodically in the arrangement d... | 12/21/2010 |
| 7852523 | Scanner module and image scanning apparatus employing the same Disclosed are a scanner module and an image scanning apparatus employing the same. The scanner module includes a light source generating light to be irradiated onto an object and a light guide member extending in correspondence with a width of the object. The light ... | 12/14/2010 |
| 7830561 | Lensless imaging with controllable apertures Embodiments of the present invention provide a lensless optical device for acquiring an image. The device can include a light attenuating layer having a plurality of elements, where transmittance of each of the plurality of elements is controllable, and an image det... | 11/09/2010 |
| 7777923 | Optical beam scanning apparatus, image forming apparatus In an optical beam scanning apparatus and an image forming apparatus equipped with the optical beam scanning apparatus of the present invention, plural optical members that irradiate scanning lines by laser beams (beams) emitted from plural light sources individuall... | 08/17/2010 |
| 7760403 | Optical irradiation apparatus, image reading apparatus using the same, and image forming apparatus using the same A novel optical irradiation apparatus includes a light source and a light guide. The light source is configured to radially irradiate a light beam. The light guide is configured to include a transparent material configured to lead the light beam irradiated from the ... | 07/20/2010 |
| 7751098 | Light-channeling apparatus and method A scanning module includes a body casing having a light passage slit thereon, a plurality of reflecting mirrors located inside the body casing, a light-channeling apparatus, and a light guiding body. The light-channeling apparatus includes a first light-guiding tube... | 07/06/2010 |
| 7742202 | Image reading apparatus and image forming apparatus A light-collective member (142) for collecting a light outputted from a light source (140), which irradiates a light toward a document surface, toward a sub-scanning direction is provided in front of the light source (140). An illuminating porti... | 06/22/2010 |
| 7542183 | Electronic imaging apparatus In an electronic imaging apparatus, image information of an image signal photoelectrically converted from an image incident is stored in image information storage in a format dependent upon a type of the applied storage device. Provided therein are communication dev... | 06/02/2009 |
| 7436556 | Image reading apparatus and light conductor used for the same An image reading apparatus includes a light source for illuminating an image reading region extending in the primary scanning direction, and a plurality of lenses for focusing light reflected on the image reading region and for producing reduced images. Each of the ... | 10/14/2008 |
| 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 light guide assembly. The optical shutter assembly is made substanti... | 04/22/2008 |
| 7358103 | Method of fabricating an imaging device for collecting photons A photon collector has a reflecting metal layer to increase photon collection efficiency in a solid state imaging sensor. The reflecting metal layer reflects incident light internally to a photosensor. A plurality of photon collectors is formed in a wafer substrate ... | 04/15/2008 |
| 7338042 | Sheet supplying apparatus The uppermost original of a bundle of originals placed on a stacking tray is photographed by an area sensor, and on the basis of chroma saturation information of image information thus obtained, whether the original to be separated is a color original is discriminat... | 03/04/2008 |
| 7340198 | Process cartridge and image forming apparatus for reducing the effect of external forces A process cartridge is detachably provided in an image forming apparatus having a main gear. The process cartridge includes a photoconductive unit and a rotatable unit, and a positioning member. The rotatable unit includes an unit body, an idler shaft, an idler gear... | 03/04/2008 |
| 7336403 | Optical element and illumination apparatus having same An object of the present invention is to efficiently shape a light flux emitted from a light source into a linear shape and so as to provide an optical element having high versatility that can be widely used irrespective of the original sizes and to provide an illum... | 02/26/2008 |
| 7333249 | Image reading device An image reading device includes light-emitting diode chips (11A-11C) and a light guide (3) having a main region (3A) and a subsidiary region (3B). The subsidiary region (3B) includes a light incident surface (31) loc... | 02/19/2008 |
| 7333248 | Method and apparatus for fastening adjustable optical lenses A paper-separating plate is adapted for a paper-separating mechanism having a paper-separating roller. The paper-separating plate placed around a side of the paper-separating roller comprises a main body and a cushion. The main body has a surface and a plurality of ... | 02/19/2008 |
| 7333153 | Expanded information capacity for existing communication transmission systems A system for transmitting digital programming includes a program source providing digital information, circuitry for modulating the digital information onto a visual carrier modulated with analog television programming, and a visual transmitter coupled to the modula... | 02/19/2008 |
| 7327499 | Image reading apparatus An image reading apparatus includes a lens unit (4) which has a low-resolution lens (1), a high-resolution lens (2), and a first driving unit (3) for driving them, and a second driving unit (5) for driving the lens unit (4).... | 02/05/2008 |
| 7310161 | Combined flat bed scanner/printer machine A combined flat bed scanner/printer machine having: a moving body; a scan module connected to the moving body to read a document; and a recording head connected to the moving body adjacent to the scan module, to print on a paper. The moving body is moved by a moving... | 12/18/2007 |
| 7274495 | Light-channeling apparatus and method A light-channeling apparatus for a scanning module comprises a first light-guiding tube, a second light-guiding tube, and a collimating lens positioned inside the first light-guiding tube. The first and second light-guiding tubes are attached to a body casing of the... | 09/25/2007 |
| 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 determination delay of the reader. In a low resolution mode, some pixe... | 09/11/2007 |
| 7254337 | Band optical add/drop multiplexing An optical communication system includes a plurality of optical add/drop multiplexers (OADMs). The plurality of OADMs includes at least five low distortion OADMs. Each OADM is coupled between spans of a multiple span communication link and operable to receive a mult... | 08/07/2007 |
| 7242863 | Method and system for coordinating and utilizing channel power information in an optical communications network A method of coordinating channel power information in a wavelength division multiplexed (WDM) optical communication system is disclosed. The method determines weighting values for each channel of the WDM signal based on channel launch powers. A source data object ma... | 07/10/2007 |
| 7239791 | Uniform light guide mechanism A light guide mechanism includes a surface member, a bottom member, a connecting member and a light source. The connecting member is used to connect the surface member and the bottom member. The bottom member has a first side and a second side, and the light source ... | 07/03/2007 |
| 7233419 | Scanner having a self collection light source A scanner using a self-collection light source, is composed of a light source either with its tube walls coated with a layer of total reflective material, or a tube wall made to have a converging lens-like wall, so that the light source itself has built-in light con... | 06/19/2007 |
| 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 device in the center of a side surface on the shorter side of the plate. ... | 05/29/2007 |
| 7215448 | Image reading apparatus An image reading apparatus (A) includes a plurality of light sources (6) arranged in a row, and a hollow portion (14) for guiding light emitted from the light sources toward an image read line (S). The hollow portion (14) is divided by a plurali... | 05/08/2007 |
| 7209268 | Line illuminating device Two illuminating units 2L and 2R, 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 emitted from its emission plane irradiates the same area of ... | 04/24/2007 |
| 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 extremity. The light-shielding member covers one or more light-receiv... | 04/17/2007 |
| 7197245 | System and method for managing system margin An optical communication system is operable to communicate a plurality of wavelength signals at a bit rate of at least 9.5 gigabits per second over a multiple span communication link spanning at least 400 kilometers without optical regenerators. The plurality of wav... | 03/27/2007 |
| 7183532 | Detecting a defect in an image scanner Image data in an image scanner is examined to determine whether lines (light or dark) are present in the image data. By examining whether the lines are present in image data for multiple colors, and whether calibration gains for corresponding photosensors are normal... | 02/27/2007 |
| 7184007 | Backlight device of a LCD display A many-faceted LCD display, comprising a light guide pipe, a light source, a first optical means, a second optical means, a first LCD panel and a second LCD panel, is disclosed. The light guide pipe comprises a first surface capable and optional of attaching a refle... | 02/27/2007 |
