Matches 151 - 200 out of 300 < 1 2 3 4 5 6 >


Match Document Document Title
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...
6538243 Contact image sensor with light guide having least reflectivity near a light source  
A contact image sensor includes a light sensitive optical detector and a light source mounted on a mounting surface. A light guide is located under the light source and is oriented to direct a...
6532085 Illumination device and image reading apparatus  
A device has a visible light emitting element for emitting visible light, an infrared light emitting element for emitting infrared light, a board including a first mounting portion on which...
6525844 Scanner device  
In a device for point-by-point and line-by-line scanning of masters chucked on scanner drums having different diameters with an optoelectronic scanner element, which converts the scan light...
6464366 Illumination device providing longitudinal illumination  
An illumination device using an innovative design to provide a uniform, highly concentrated and substantially longitudinal illumination. The device includes, a compound light guide and a...
6455834 Image reading apparatus and light guide member used therefor  
An image reading apparatus includes a light source, an elongate light guide member for guiding light emitted from the light source toward an image read line, and a plurality of light receiving...
6441928 Apparatus and method for reading a document using a waveguide formed in a substrate  
The present invention relates to a hand-held scanner that comprises contact image scanning technology. A waveguide formed in a substrate is comprised of an elongate light pipe. The light pipe...
6414760 Image scanner with optical waveguide and enhanced optical sampling rate  
An optical waveguide and a shutter are used to guide light from multiple illuminated pixels on a document being scanned onto a single photosensor element. Various methods are disclosed for...
6404515 Image reading apparatus  
In an image reading apparatus, a sensor box to which a lens and an image sensor are fixed is moved with respect to a film original, so that focus adjustment can be reliably performed in reading an...
6366365 Waveguide array-based image sensor for document scanner scan head  
A scan head that comprises an elongate light source, an elongate light sensor array and a planar waveguide array The light source is disposed perpendicular to the scan direction. The light sensor...
6357903 Line type illuminator  
A line type illuminator comprising a plurality of light sources at a side of one end of a rod-like transparent light guide, wherein an auxiliary light scattering pattern is formed with two (2)...
6360030 Illumination device and image reading apparatus using the same  
The form of a light condensing part of an illuminating device is of a freer form such as expressed by a general polynomial, rather than a round cross-sectional form. Accordingly, an illumination...
6346997 Illumination device, image reading apparatus having the device and information processing system having the apparatus  
Illumination device, image apparatus using the device and information processing system using the apparatus for illuminating a light beam emitted from at least two light emitting elements of...
6323966 Digital scanner  
An apparatus and light conduit for scanning a media which uses a low light illumination system for providing an exposure light for illuminating a media on to a sensor for capturing images on the...
6295141 Image reading apparatus  
An image reading apparatus having a light guide unit with a light source for applying light to an image reading surface, and a board provided with a photoelectrical conversion element for...
6211508 Lensless optical system in imaging sensing module  
A lensless optical system comprises identical tubes that can be made and molded out of a plastic material. Each of the tubes includes an opening at the end that faces a scanning object. When the...
6204938 Linear illumination device and image reading apparatus using the same  
A linear illumination device, includes: a light conducting body; a light diffusion portion formed at least on one side surface in a longitudinal direction of the light conducting body; a light...
6178014 Methods for illuminating documents  
An arrangement for illuminating objects wherein a large number of objects are rapidly and continuously transported past one or more stations, each illuminated by a cylindrical, integrating...
6166832 Contact-type image sensor  
A contact-type image sensor (20) comprises a case (21), a glass cover (22) provided on an upper surface of the case (21), a bottom substrate (23) mounted in a bottom surface of the case (21),...
6160641 Four-plane reflection type reflective optical unit and scanner optical system  
A light source illuminates a manuscript, and a light from the manuscript enters a prism block through a slit. The prism block has two pairs of parallel reflective planes which are different in...
6128399 Fingerprint sensor device  
The fingerprint sensor device comprises a thin flat transparent support (10) having an outside face for receiving the end of a finger and carrying on an inside face a two-dimensional matrix of...
6112003 Optical scanner having multiple resolutions  
A multiple resolution scanner device for scanning an object may comprise a first optical wave guide bundle having a light input end, a light output end, and a first reduction ratio associated...
6081351 Image reading apparatus  
It is an object to provide an image sensor which can guarantee a good picture quality by reducing an illuminance deviation and can effectively realize a miniaturization of an apparatus. There is...
6072601 Optical fiber amplifier and an optical communication system using same  
The object of the present invention is realizing an optical fiber amplifier wherein the number of channels actually inputted to the optical fiber amplifier is read by the optical fiber amplifier...
6028682 Scanning device for pixel-by-pixel photoelectric measurement of a measured object  
The scanning device comprises a measuring table (T) to which measured object B can be fixed for measurement, measurement carriage (W) with a photoelectric scanning device (100) which can be...
6023348 Rotary image scanner capable of mounting drums of various diameters  
A dual drum rotary image scanner has a headstock and a tailstock between which may be mounted drums of different diameter. The tailstock has substantially annular surfaces which contact...
6005990 System for optically scanning images using optical shutter  
An image is optically scanned by projecting the image onto an optical sensor through an optical shutter. In an exemplary embodiment, the image is projected through the optical shutter while the...
5999666 Device and method for optical scanning of text  
A small hand-held optical scanning device for the accurate and precise scanning of lines of text characters is described. The scanner does not require any mechanical means of providing...
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...
5942970 Image optical-to-tactile converter  
A system is provided including a tactile assembly having a plurality of solenoid units adapted to transfer to an extended orientation upon the actuation thereof. Also included is a camera unit for...
5926286 Image sensor apparatus with small convex portions  
In an image sensor apparatus, a light emitting section is composed of a plurality of light emitting elements provided in a longitudinal direction of said image sensor apparatus. An optical section...
5877492 Contact type image sensor comprising a plurality of microlenses  
A full-contact type image sensor which includes a light source, a plurality of photo-electric conversion elements having apertures, a photoelectric conversion region, a plurality of micro-lenses,...
5859421 Contact-type image sensor  
An image sensor has a case, a glass cover attached to its upper surface, a head plate carrying a plurality of image sensor chips, a plurality of light-emitting elements for illuminating a document...
5818033 Reading device featuring at least two spaced light emitting elements  
A reading device for illuminating a light beam emitted from at least two light emitting elements of different light emission wavelength ranges to an original through a light conductor prevent...
5808295 Illumination means having light emitting elements of different wavelength emission characteristics  
Illumination device, image apparatus using the device and information processing system using the apparatus for illuminating a light beam emitted from at least two light emitting elements of...
5737096 Light illumination assembly having a tapered light guide plate for an optical reading unit  
An optical guide device in an optical reading system incorporated in a facsimile device, copying machine, image scanner and the like includes an array of LEDs and a light guide plate. When the...
5729361 Color scanner using both variable led exposure time and photo detector output compensation  
The present invention provides a combination of first providing a coarse adjustment by varying the emitter power and duration of the emitter/detector exposure time, and then providing a fine...
5717504 Apparatus for illuminating documents  
An arrangement for illuminating objects wherein a large number of objects are rapidly and continuously transported past one or more stations, each illuminated by a cylindrical, integrating...
5696607 Image reader having a light-guiding transparent board  
An image reader is equipped with a light source having a plurality of LEDs arrayed in a row, a light-guiding transparent board, a concave mirror, a condenser lens and a photoelectric converter....
5673122 Image reading apparatus including slit member disposed between film original and reading lens  
A linear light source having a relatively large numerical aperture emits reading light of a substantially fully diffused light intensity distribution toward a film original that is held between...
5604607 Light concentrator system  
A collector array for imaging comprises of a plurality of small concentrators having a hyperbolic cross section and a circular input and output aperture. Such an array is particularly suitable for...
5581076 Contact type image sensor with more-unified construction  
A contactless image sensor comprises a light source for irradiating the light onto an original, photoelectric converting elements for photoelectrically converting the light from the original, an...
5574576 Coherent light driven display device  
An optical display device to allow a person or a device to physically sense various images. The device includes an image sensor having at least one image input portion adapted to be directed at a...
5519513 Techniques for illuminating objects  
An arrangement for illuminating objects wherein a large number of objects are rapidly and continuously transported past one or more stations, each illuminated by a cylindrical, integrating...
5489992 Contact image sensor with continuous light source positioned adjacent to detection object  
A contact image sensor has in an upper portion of a housing a rod-like continuous light source for emitting light directly to an object. The continuous light source is coated, over its entire...
5475495 Scanning device for selectively scanning contone or line originals by use of a switch-over unit comprising a mirror  
A device for electro-optical point and line scanning of contone and line originals. A contone scanning unit for scanning a contone original and a line scanning unit for scanning a line original...
5467204 Liquid crystal light valve with dual function as both optical-to-electrical and optical-to-optical transducer  
A liquid crystal light valve and a various information processors is provided. The processors have the liquid crystal light valve in which information formed in a liquid crystal layer and...
5453849 Integrating cylinder for object illumination  
An arrangement for illuminating objects wherein a large number of objects are rapidly and continuously transported past one or more stations, each illuminated by a cylindrical, integrating...
5444239 Fiber optic scanning beam detector  
A fiber optic system is used in a laser ROS scanning system to generate a start of scan signal. In one embodiment, a single optical fiber is positioned at the beginning of a scan line sweep. The...
5418630 Facsimile apparatus  
A facsimile apparatus is provided which can enhance the operability and usefulness of portable image reading devices when transmitting documents and which allows effective utilization of the image...

Matches 151 - 200 out of 300 < 1 2 3 4 5 6 >