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| Number | Title | Issue Date |
| 8089665 | Optical scanning device moving gravity center of pixel in sub-scanning direction, image forming apparatus having light sources, and method An optical scanning device includes n-odd (n≧2) light sources disposed at different positions at least in a sub-scanning direction, a pixel forming part in which one pixel is depicted by light beams emitted from m-odd (n≧m≧2) light sources of the n-odd light s... | 01/03/2012 |
| 8059316 | Optical device, adjustment method for the same and image forming apparatus An optical device including: a laser light emitting portion that emits laser light; a polygon mirror having a reflective surface that reflects the laser light, the polygon mirror being driven to rotate and deflecting the laser light emitted from the laser light emit... | 11/15/2011 |
| 7952772 | Photonic crystal fiber sensor Apparatus and method for chemical and biological agent sensing. An example sensing apparatus includes a resonator having a resonance frequency. The resonator includes a coil of a photonic crystal fiber. The photonic crystal fiber has a solid region configured to gui... | 05/31/2011 |
| 7706029 | Display apparatus using optical modulator and display method thereof A mobile display apparatus using an optical modulator is disclosed, comprising: a sensor sensing a light reflected from a side of a scanning device and then generating a scanning device reference signal specifying a position of the scanning device; and a driving sig... | 04/27/2010 |
| 7391542 | Optical scanning apparatus, and image forming apparatus using the same Disclosed in an optical scanning apparatus which includes a deflecting unit comprised of a rotary polygon mirror for deflecting a light beam radiated from a light source unit, and a scanning optical system for guiding the light beam deflected by the deflecting unit ... | 06/24/2008 |
| 7362480 | Method and system for changing a scanning resolution A method and system for scanning comprises rotating a scanning chassis of an optical scanner to create an acute angle between the scan line and a scanning direction, such that the scanning chassis has two ends, and moving the scanning chassis in the scanning directi... | 04/22/2008 |
| 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 device including light modulation elements, and is configured to emit m... | 09/18/2007 |
| 7245314 | Image apparatus and method for converting scanned image data An imaging apparatus forming an image by performing scanning by deflecting a light beam includes a data conversion part that converts multi-bit input image data into data specifying a pulse width or intensity of the light beam. The image data is input to the data co... | 07/17/2007 |
| 7225737 | Method for automated platemaking A computer-to-plate (CTP) machine is operated using processless printing plates. A plate bender is built directly into the CTP, bending the plate after imaging in order to make it ready for mounting on the printing press, eliminating all intermediate steps. For pres... | 06/05/2007 |
| 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 apparatus. The color-image reading apparatus includes an illuminatio... | 02/06/2007 |
| 7099024 | Recording position adjusting pattern forming method, image recording position adjusting method and image recording apparatus A method for forming a recording position adjusting pattern that is capable of correcting a recording position correctly, a method for adjusting the image recording position, and an image recording apparatus are provided. Corrected K color parallel bars are grouped ... | 08/29/2006 |
| 7088382 | Imaging optical system, image forming apparatus having the same, and a method therefor An image forming apparatus includes a semiconductor laser array to emit a plurality of laser beams through a plurality of independently controllable laser elements according to an image signal, an imaging optical system to magnify the laser beams emitted from the la... | 08/08/2006 |
| 7068399 | Systems for converting hardcopy to digital data Document processing systems are provided that are capable of facilitating scanning of one or more documents via multiple scanners. In this regard, a preferred document processing system includes a document assembly system. The document assembly system is configured ... | 06/27/2006 |
| 7055957 | Laser projection apparatus with liquid-crystal light valves and scanning reading beam Laser lines at 635 nm or longer (ideally 647 nm) are preferred for red, giving energy-efficient, bright, rapid-motion images with rich, full film-comparable colors. Green and blue lines are used too—and cyan retained for best color mixing, an extra light-power boo... | 06/06/2006 |
| 7048424 | Light integrating column A light integrating column having an illumination column and windows that allow light to enter and exit the illumination column. The illumination column can be a solid rod or a hollow tube. In an embodiment, the windows are formed at an angle with respect to each ot... | 05/23/2006 |
| 7046266 | Scanner system A method of scanning for writing a pattern on a surface, including providing a scanning beam comprised of a plurality of independently addressable sub-beams, scanning the surface with the scanning beam a plurality of times, the sub-beams scanning the surface side-by... | 05/16/2006 |
| 7043057 | System for automated determination of retroreflectivity of road signs and other reflective objects A system for the automated determination of retroreflectivity values for reflective surfaces disposed along a roadway repeatedly illuminates an area along the roadway that includes at least one reflective surface using a strobing light source. Multiple light intensi... | 05/09/2006 |
| 6985268 | Image capturing apparatus Disclosed is an image capturing apparatus comprising a primary mirror 1 that has a surface which is a section of a surface cut out from a paraboloid with a single focus; a secondary mirror 2 that has a surface which is a section of a surface cut out from a hyperbolo... | 01/10/2006 |
| 6950708 | Ambulatory medical apparatus and method using a telemetry system with predefined reception listening An implanted medical device (e.g. infusion pump) and an external device communicate with one another via telemetry messages that are receivable only during windows or listening periods. Each listening period is open for a prescribed period of time and is spaced from... | 09/27/2005 |
| 6906832 | Image forming apparatus with function of tilt adjustment to laser-beam reflecting mirror An image forming apparatus has functions of tilt adjustments to a mirror for reflecting a laser beam and outputting an image after registration of a plurality of images. The apparatus includes a laser source for generating laser beams, a plurality of mirrors for ref... | 06/14/2005 |
| 6847389 | Optical beam scanning device and image forming apparatus The present invention provides an optical beam scanning device and an image forming apparatus capable of restraining the light amount irregularity in the main scanning direction in the image plane. An optical beam scanning device of the present invention is f... | 01/25/2005 |
| 6815127 | Method of electronic processing of imagewise exposed photoconductive material imaging element A method of electronic processing of an imagewise exposed dispersed particle photoconductive material imaging element employing pulsed radiation and radio frequency photoconductivity apparatus having a sample capacitor with a gap is described, comprising the steps o... | 11/09/2004 |
| 6788435 | Image reader for use in image forming apparatus An image reader of the present invention comprises a fluctuation detector that can be connected to the external equipment by means of an image data input-output section, and can subject image data, continuous in a first direction and outputted as image information o... | 09/07/2004 |
| 6703636 | Device for reading out information stored in a storage layer A device for reading out information stored in a storage layer (10), which facilitates a good reproduction quality of this information stored in the storage layer (10). The device (1) includes a radiation source (2) for emitting stimulation radiation (20)... | 03/09/2004 |
| 6628434 | Method and system for image transfer and image signal output apparatus and terminal used therefor Upon transferring two image signals to an output apparatus in an image transfer system, the amount of data to be transferred can be reduced. In an image signal output apparatus, subtraction signal generating means generates a subtraction signal from a fro... | 09/30/2003 |
| 6556316 | Image reading device, image exposure device, and image recording device Because the dynamic range of a solid-state image sensor is relatively narrow, it is necessary to reduce the amount of light using an aperture so that the amount of light incident on the solid-state image sensor is within the range of the dynamic range. Ho... | 04/29/2003 |
| 6481860 | Circular optical reflection apparatus A circular optical reflection apparatus to be used in an optical image capturing device for receiving light ray from a light source and reflecting the light ray at least twice inside the apparatus then projecting the light ray to a lens set for forming an... | 11/19/2002 |
| 6262815 | Image sensor There is provided an image scanner including (a) an image sensor, (b) a lens for focusing images onto the image sensor, (c) a reflecting mirror for directing images of an object to the image sensor through the lens, and (d) a driver for rotating the refle... | 07/17/2001 |
| 6252682 | Document sensing device for an image forming apparatus A document sensing device for an image forming apparatus of the present invention is capable of sensing a document stably without being influenced by disturbing light, e.g., light ascribable to fluorescent lamps or similar illuminators illuminating a room... | 06/26/2001 |
| 6183933 | Image forming method and system A photosensitive material which when imagewise exposed to record a latent image thereon is formed with an image by heating with a prescribed processing material superimposed thereon is used as a photographic film or the like, the photosensitive material i... | 02/06/2001 |
| 6141118 | Optical scanning device An optical scanning device corrects a scanning line curvature and prevents image quality degradation, while spatially separating a plurality of light beams at oblique angles of incidence despite its compact magnifying optical scanning device construction.... | 10/31/2000 |
| 6136482 | Gradation image thermal recording method A gradation image is recorded on a heat-sensitive recording material, which converts light energy applied thereto to heat energy and forms a color in a density according to a quantity of the heat energy by scanning the heat-sensitive recording material in... | 10/24/2000 |
| 6097508 | Optical scanning apparatus, information reading apparatus and information recording apparatus An optical scanning apparatus for scanning a manuscript, and for optically reading information recorded on the manuscript, having: a plurality of semiconductor lasers for emitting laser lights, whose wavelengths are different from each other; a plurality ... | 08/01/2000 |
| 6043907 | Method for reading images and apparatus therefor The density of cyan color of an image at the peak wavelength λC1 in the spectral absorption distribution of a developed cyan color dye is detected in the density range of 0-2 as a detection range, and the density of the developed cyan color dy... | 03/28/2000 |
| 6038353 | Light beam scanning optical apparatus A light beam scanning optical apparatus which writes two lines at one scan on a photosensitive member with light beams emitted from laser diodes. The light beams are combined at a beam splitter. The beam splitter is supported on a surface including a semi... | 03/14/2000 |
| 5973574 | Oscillator system with corrective frequency modulation A stabilized frequency oscillating circuit outputs a pixel clock signal to an image scanner for controlling pixel rate at various writing positions along a scan line. The circuit includes a synchronization circuit having a first control signal component o... | 10/26/1999 |
| 5953133 | Scanning apparatus A scanning apparatus for scanning and reading a luminescent pattern of a sample in a flat-plate shape, having a placing member for placing the sample as an object for reading; a light condensing member for condensing light emitted from the luminescent pat... | 09/14/1999 |
| 5875043 | Optical scanner for detecting light intensity from reflected image-reading light An optical scanner including a light emitting device which emits an image-reading light toward an original having an original image thereon, such that the image-reading light scans the original by irradiating each of a plurality of positions on the origin... | 02/23/1999 |
| 5858589 | Intensity modulated stochastic screening for preparing a lithographic printing plate A method for making a lithographic printing plate from an original containing multiple tones comprising the steps of frequency modulation screening the multiple image to obtain screened data representing tones of the multiple tone image in terms of halfto... | 01/12/1999 |
| 5783356 | Halftone reproduction by single spot multibeam laser recording A method for generating a screened reproduction of a contone image comprises the steps of screening the contone image to obtain screened data representative for tones of the contone image and suitable for driving exposure of microdots on a radiation sensi... | 07/21/1998 |
