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Class 347/256 - Specific optical structure


Subclass of Class 347 - Incremental printing of symbolic information
Definition: Subject matter comprising light modifying means for converging,
No. of patents: 341
Last issue date: 01/10/2012


1                  
NumberTitleIssue Date
8094179Light source device, optical scanning device, and image forming apparatus
A light source device includes a light source, a coupling lens, a first opening plate, a second opening plate, a photoreceptor, a package member, a cover glass, a half mirror, and a light source control device. In relation to a main-scanning corresponding direction ...
01/10/2012
7864208F-O lens, light scanning unit and image forming apparatus employing the same
An f-θ lens is joined to a mount through a light curable bond, forms an incident deflected beam onto a photosensitive body, and includes a lens part which has an incident side on which the deflected beam is incident, and an exiting side which is disposed near the p...
01/04/2011
7554568Optical beam scanning device and diaphragm device capable of adjusting light quantity distribution
An optical beam scanning device of the present invention has a light source, a deflection reflecting surface for deflecting to scan light from the light source on a recording medium, and a diaphragm device which is provided between the light source and the deflectio...
06/30/2009
7427999Image forming apparatus
A first optical scanning device for scanning image data of colors (yellow, magenta, cyan and black) which serve as the basic for formation of color image employs an optical system having optical characteristic stable to changes in temperature in common, the optical ...
09/23/2008
7369268Light source using large area LEDs
A printing apparatus (100) for printing digital images onto a photosensitive medium (140) employing, for exposure energy, a light source (20) that uses various arrays of LEDs (32). The printing apparatus (100) may form the print im...
05/06/2008
7369327Variable optical-property element and optical apparatus including the same
A variable optical-property element includes a liquid crystal the pitch of twist is less than 60 times the wavelength of light used, so that a spatially uneven electric or magnetic field or temperature is applied to the liquid crystal to thereby form an index distri...
05/06/2008
7363102Method and apparatus for precise marking and placement of an object
The present invention provides a precise marking apparatus for performing precise marking on an object and methods of using the same. The precise marking apparatus comprises an object input handler and an object output handler for handling the object; a transport sy...
04/22/2008
7355616Polarization-direction-controlling element and exposure device
A polarization-direction-controlling element comprising a ½ wavelength plate disposed with a crystal optical axis tilted at substantially 45 degrees with respect to a polarization direction of a beam of light separated by a polarization-separating element with a pa...
04/08/2008
7348549Light scanning apparatus
Provided is a light scanning apparatus, including a light source, a light source controller to control an on/off operation of the light source, a light deflector deflecting light emitted from the light source, an image formation optical system to direct light deflec...
03/25/2008
7342732Optical mount
An optical mount (1) for optical component (2) which has a edge contour (4) relative to extending radially optical axis (A), includes a rigid optical support (3) having an axially oriented stop edge (5), which is suitable for an ax...
03/11/2008
7330203Compact multibeam laser light source and interleaving raster scan
An individually drivable array of single stripe laser diodes is proposed for imaging printing plates. An imaging optics is used to produce n image points which have a spatial interval l between adjacent points. An interleaving raster scan line method is indicated, w...
02/12/2008
7330202Method for correcting skewed recording when exposing printing originals
A method for correcting the skewed recording of a printing original on a recording material in an exposer includes the steps of projecting, with an exposure head, a linear array of exposure points generated by N laser beams onto the recording material and moving the...
02/12/2008
7327380Apparatus for printing a multibit image
The invention relates to an apparatus for printing a multibit per pixel image (10) from a halftone binary digital bitmap having pixels having a multibit per pixel image memory for receiving the multibit per pixel image; a lookup table (16) external to ...
02/05/2008
7326877Laser thermal processing chuck with a thermal compensating heater module
Chuck methods and apparatus for supporting a semiconductor substrate and maintaining it at a substantially constant background temperature even when subject to a spatially and temporally varying thermal load. Chuck includes a thermal compensating heater module havin...
02/05/2008
7327379Pixel clock and pulse-modulation-signal generating device, optical scanner, and image forming apparatus
A pixel clock and pulse-modulation-signal generating device includes a high-frequency-clock generating unit that generates a high-frequency clock; a modulation-data generating unit that generates, based on pixel control data that specifies a pixel length and image d...
02/05/2008
7304660Optical beam scanning device and diaphragm device capable of adjusting light quantity distribution
An optical beam scanning device of the present invention has a light source, a deflection reflecting surface for deflecting to scan light from the light source on a recording medium, and a diaphragm device which is provided between the light source and the deflectio...
12/04/2007
7298389Method and apparatus for drawing visible image on optical disk by vibrating laser beam focus
A method and an apparatus for drawing a visible image on an optical disk incorporate an optical pickup, which irradiates an optical beam onto the optical disk through its objective lens. The optical disk, which has a target layer on which the drawing is to be perfor...
11/20/2007
7295369Fabrication method for rear-projection screen
A fabrication method for a rear-projection screen includes the steps of providing a light source and a lenticular lens sheet; projecting parallel light onto the lenticular portions of a lenticular lens sheet to make one surface of the lenticular lens sheet opposite ...
11/13/2007
7292259Recording system for light-sensitive sheet
The invention provides a system for recording a datum onto a pixel on a light-sensitive sheet. The system essentially includes a light-emitting device and an interfering device. The interfering device has a plurality of gratings. According to the datum, at least one...
11/06/2007
7286154Polarization-direction-controlling element and exposure device
A polarization-direction-controlling element comprising a ½ wavelength plate disposed with a crystal optical axis tilted at substantially 45 degrees with respect to a polarization direction of a beam of light separated by a polarization-separating element with a pa...
10/23/2007
7283152Collimation assembly with an adjustment bracket capable of flexing when receiving a light source
A collimation assembly is associated with a printhead housing for generating a substantially collimated laser beam. The collimation assembly comprises: a collimation housing mounted to the printhead housing to support a collimation lens; an adjustment bracket positi...
10/16/2007
7280130Optical multi-beam scanning device and image forming apparatus
An optical multi-beam scanning device has a plurality of pre-deflection optical units, an optical path synthesizing member and an excessive light processing member. The excessive light processing member processes excessive light emitted from an excessive light emitt...
10/09/2007
7280175Liquid crystal device exhibiting zernithal bistability and a cell wall for such a device
A bistable nematic liquid crystal device cell is provided with a surface alignment grating on at least one cell wall and a surface treatment on the other wall. Such treatment may be a homeotropic alignment or a planar alignment with or without an alignment direction...
10/09/2007
7265773Misalignment detection device, optical writing apparatus, and image forming apparatus
An image detection device includes a light source, an image sensor, a light guiding device, an image focusing device and a housing. The light source is configured to irradiate a pattern image with a light beam. The light guiding device is located on a first light pa...
09/04/2007
7258408Method of controlling drive of function liquid droplet ejection head; function liquid droplet ejection apparatus; electro-optic device; method of manufacturing LCD device, organic EL device, electron emission device, PDP device, electrophoretic display device, color filter, organic EL; method of forming spacer, metallic wiring, lens, resist, and light diffusion body
In a method of controlling drive of a function liquid droplet ejection head in which a plurality of nozzle arrays are arranged, the nozzle arrays have function liquid droplet ejection amounts which are different from each other per unit nozzle. The drive of the plur...
08/21/2007
7250961Light beam scanning method and apparatus compensating for defects
The light beam scanning method and apparatus perform light beam scanning of a cylindrical internal surface scanning type, a cylindrical external surface scanning type, and a plane scanning type, where when a sheet-like object to be scanned is scanned by a light beam...
07/31/2007
7247841Light scanning apparatus
Provided is a light scanning apparatus, including a light source, a light source controller to control an on/off operation of the light source, a light deflector deflecting light emitted from the light source, an image formation optical system to direct light deflec...
07/24/2007
7236231Exposure apparatus and device manufacturing method
An exposure apparatus for scanning an exposure spot in an exposure allocated area and for exposing a desired pattern by controlling power of the exposure spot in accordance with an exposure pattern, includes an exposure unit for arranging plural fine exposure elemen...
06/26/2007
7218337Optical scanner, optical-path adjustment method, and image forming apparatus
An optical scanner includes a light source which emits a light beam, a reflection mirror which has a reflection surface, a first axis parallel to a main-scanning direction, and a second axis along the reflection surface and perpendicular to the first axis, and an op...
05/15/2007
7187399Exposure head with spatial light modulator
In an exposure head of the invention, plural first micro-focusing elements are arranged in a first microlens array so as to correspond to plural micromirrors in a DMD. An aperture array that includes plural apertures arranged so as to respectively correspond to the ...
03/06/2007
7180929Wafer-level test structure for edge-emitting semiconductor lasers
Wafer-level stage testing of semiconductor lasers can be facilitated by directing a light beam emitted from the semiconductor laser toward a direction different from a path of the light beam as originally emitted from the laser. A test structure can be coupled to a ...
02/20/2007
7171097Hex tube light homogenizer splitter
A right angle light diverter includes a hexagonal tube that is bent at a right angle that is coated with a highly reflective coating on the inside surface. An incoming light beam may be homogenized upon entering an input port of the hexagonal tube and may be evenly ...
01/30/2007
7167194Printing a code on a product
A method for printing is described. The method includes providing a printing system for printing a code on a product moving in a direction. The code is constructed from a plurality of pixels in a first data set indicating the positions of the pixels and generates a ...
01/23/2007
7156569Wall-mounting image processing apparatus
A wall-mounting image processing apparatus (A) includes a machine housing (90) mounted on a substantially vertical wall surface (H), and an image reading/writing head (X) disposed in the machine housing. The image reading/writing head (X) includes a substrate...
01/02/2007
7157660Laser scanning apparatus and methods for thermal processing
Apparatus and methods for thermally processing a substrate with scanned laser radiation are disclosed. The apparatus includes a continuous radiation source and an optical system that forms an image on a substrate. The image is scanned relative to the substrate surfa...
01/02/2007
7154837Optical pickup and optical information recording/reproducing device
An optical pickup and an optical information recording/reproducing device are provided, each of which is capable of forming a super-resolution spot to conduct micro-mark recording, and does not undergo signal degradation due to an increased sidelobe in a reproducing...
12/26/2006
7154066Laser scanning apparatus and methods for thermal processing
Apparatus and methods for thermally processing a substrate with scanned laser radiation are disclosed. The apparatus includes a continuous radiation source and an optical system that forms an image on a substrate. The image is scanned relative to the substrate surfa...
12/26/2006
7154525Method and device for focus adjustment of optical writing unit and image forming apparatus incorporating the focus adjustment device
Focus adjustment of an optical writing unit is performed based on an image of a test pattern formed on a paper sheet. The pattern includes bars of density levels associated with adjustment quantity information indicating numerical values corresponding to the numbers...
12/26/2006
7151556Sub-scanning interval adjusting apparatus for multi-beam scanning unit
A sub-scanning interval adjusting apparatus for a multi-beam scanning unit adjusts an interval between at least two laser lines that are formed on a photoreceptor drum without causing starting points of image formation to vary. In the multi-beam scanning unit simult...
12/19/2006
7148159Laser thermal annealing of lightly doped silicon substrates
Apparatus and method for performing laser thermal annealing (LTA) of a substrate using an annealing radiation beam that is not substantially absorbed in the substrate at room temperature. The method takes advantage of the fact that the absorption of long wavelength ...
12/12/2006
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