Abstract: A high speed, high resolution, continuous optical film printer (25) is disclosed for copying negative intermediate film (11) onto a print film (12). The two films are placed side by side on a common transport shaft (13) and moved past an illumination system comprised of a source (30) and an integrating cylinder (15a). A unit magnification imaging optical system (25) produces a telecentric, monocentric, color corrected, high resolution, low flare image strip (18) on the print film which is parallel to the object strip. The optical film print also provides angularly diffuse illumination to provide scratch and matte suppression.

Abstract: A reflection and refraction optical system includes a polarization beam splitter, a concave mirror, a lens group and a quarter waveplate, wherein an additional waveplate is provided to transform S-polarized light from the polarization beam splitter into circularly polarized light.

Abstract: An image reading apparatus includes a light source for illuminating an original, a plurality of mirrors for reflecting a light beam from the original illuminated with the light source, an imaging lens for forming an image of the light beam reflected by the plurality of mirrors, an image sensor arranged at an image forming position of the imaging lens, and an integrated scanning optical unit movable in a scanning direction. The integrated scanning optical unit integrally accommodate the light source, the plurality of mirrors, the imaging lens, and the image sensor to thereby obtain image information of the original. An optical axis L connecting, of the plurality of mirrors, a mirror B optically closest to an incident surface of the imaging lens, the imaging lens, and the image sensor is substantially parallel to the original surface. The mirror B, the imaging lens, and the image sensor are located at a lowest position of the integrated scanning optical system unit with respect to the original surface.

Abstract: The reflection mirrors in the optical system of a scanner is arranged to have reflections in a vertical direction instead of a horizontal direction as is commonly done. Then, the horizontal dimension of the scanner can be reduced.

Abstract: Optics for a document scanner arc disclosed which permit information on a document to be optically reorganized so they may be input as a single image to the lens of a single charge coupled device camera without the need for moving optics or moving document arrangements to sequentially image portions of the document to the input lens of the camera. The optics are mirrors in a fixed, stationary arrangement with respect to each other, between the camera lens and a document to be read. All the information to be read on the document is reflected between the mirrors and is thereby transposed physically before being input to the lens of the camera as a single image. After the single image input to the camera is scanned and stored the image portions are re-transposed using a computer and software utilizing a transposition algorithm to re-create the information on the document in their proper order.

Abstract: A color image is recorded on a color photosensitive material by using a spatial light modulator, which comprises a photoconductive layer and an electro-optic material layer located with an insulating multi-layer film mirror intervening therebetween. An optical pattern is inputted from the side of the photoconductive layer and written into the spatial light modulator. Reading light is irradiated from the side of the electro-optic material layer and reflected from the multi-layer film mirror, and the written optical pattern is thereby read from the spatial light modulator.

Abstract: A method and system for compensating for scanner facet height error in a laser imaging application including a rotating polygon for directing a laser beam across a dimension of a photographic element. The present invention compensates for facet height error by measuring a scan interval for each facet of the rotating polygon and modifies the pixel clock for a subset of pixels of each scan line as a function of variations in scan intervals for the respective facets of the rotating polygon.Several advantages of the present invention have been illustrated including the low cost of such a compensation system and technique. Furthermore, the present invention is not limited in accuracy by the pixel clock as are conventional techniques. Furthermore, the modified pixels are evenly distributed over the entire length of the facet's corresponding scan line.

Abstract: A photographic exposure apparatus includes an exposure lens, a lens carriage having a light shield region and a lens mount region, and a device to move the lens carriage selectively to a position with the lens extending across an axis of exposure light. A first shutter controls the exposure light. A second shutter prevents the exposure to scattered light. A mechanical linking device is responsive to the movement of the lens carriage to close and open the second shutter. When the lens on the lens carriage is dislocated from the axis of exposure light in a standby mode, the mechanical linking device closes the second shutter to interrupt scattered light. When the lens extends across the axis of exposure light in an exposure mode, the mechanical linking device opens the second shutter.

Abstract: Apparatus and methods are disclosed for increasing the illuminance at a mask used for proximity-type microlithography and for achieving increases in throughput. A mask defining a pattern is illuminated by an illumination optical system. The pattern is transferred to a workpiece separated from the mask by a prescribed standoff. The mask and workpiece can be relatively moved in a scan direction. With respect to the illumination optical system, the workpiece-side numerical aperture in a first direction on the plane of the mask is different from the workpiece-side numerical aperture in a second direction, perpendicular to the first direction, on the plane of the mask. A reflective-type relay optical system can be included that comprises first and second spherical mirrors that do not produce chromatic aberrations.

Abstract: A photographic film loading method of loading photographic film at an apparatus which has a carrier for holding and conveying the film along a conveying path and which effects photometry of each frame image of the film at a predetermined position of the conveying path, comprising the steps of: spanning the photographic film between a supply reel and a winding reel; the carrier having a first portion disposed so as to be fixed at the apparatus and a second portion movable between a first position, at which the photographic film located on the conveying path is held between the first portion and the second portion, and a second position, which is withdrawn from the first position such that release of the holding of the photographic film between the first portion and the second portion is permitted, drawing-out an intermediate portion of the photographic film between the supply reel and the winding reel while the second portion is located at the second position, so as to locate the intermediate portion on the co

Abstract: The present invention is an exposure device which comprises: a lens by which an image of an original is formed on a photosensitive material and of which an optical axis is disposed at a position shifted from the center of the original toward an outer peripheral side of the original; an illuminating device for illuminating the original; and a light shading device disposed in the vicinity of the lens so that at least a portion, in proximity to the optical axis of the lens, of an effective luminous flux which is made incident on or emitted from the lens, is shaded.

Abstract: A photographic printer has a lamp which projects light through a cut-off filter, a filter unit, and a diffusion plate. The light travels further through a film negative, an objective lens, and to a polarizing beam splitter. The beam splitter provides the light to a spatial light modulator and to an exposing/enlarging lens. The spatial light modulator includes a light modulating layer of a homeotropically oriented nematic liquid crystal having a negative dielectric anisotropy. Layers of transparent electrodes in the spatial light modulator are provided with a predetermined voltage of a predetermined frequency. A write CRT, controlled by a controller and control unit, provides light to the spatial light modulator so that the light from the beam splitter can be modulated with an appropriate correction. The modulated light and the light from the beam splitter are made incident on a photographic color paper. The photographic printer has improved compensation for blur caused by dust on the optical path.

Abstract: In a device for adjusting an optical system arranged in such that a scanning mirror is moved in a direction perpendicular to a main scanning line so as to reflect a line-shaped image light line by line, a first V-mirror is moved in synchronization with the scanning mirror and changes a direction of the line-shaped image light reflected from the scanning mirror toward a lens, a second V-mirror changes a direction of the line shaped image light coming from the lens toward a guide mirror, and a guide mirror projects the line-shaped image light onto a photoreceptor, the device includes a mechanism to change positions of at least two of the first V-mirror, the second V-mirror and the guide mirror so as to place the line-shaped image light at a predetermined position on the photoreceptor; and a mechanism to regulate a tilting angle of the guide mirror so as to make an incident angle of the line-shaped image light on the photoreceptor to a predetermined angle.

Abstract: A reflection and refraction optical system includes a polarization beam splitter, a concave mirror, a lens group and a quarter waveplate, wherein an additional waveplate is provided to transform S-polarized light from the polarization beam splitter into circularly polarized light.

Abstract: An image forming device and method. A first scanning device is provided under a transparent glass plate. An image of a paper original loaded on the transparent glass plate is scanned and exposed onto a photosensitive material at an exposure section by the first scanning device. A second scanning device formed from a light source unit, a scan table at which a film original is set, a zoom lens and a lens is provided next to the first scanning device. Further, a mirror, a lens and line sensor are disposed in that order below the scan table. Densities of an image of the film original are read by the line sensor for each pixel and for each color. After exposure conditions are determined based on the densities obtained by the line sensor, the image of the film original is scanned and exposed onto the photosensitive material by the second scanning device.

Abstract: A photographic exposure apparatus has a light path for directing an optical pattern of a display image from an image display to a photosensitive material and a light path for directing an optical pattern of a negative image from a negative film of the photosensitive material. The two light paths are selectively switched from one to the other to project each of the display and negative images onto the photosensitive material at a common exposure station. A mirror is disposed turnably to be movable across and between the two light paths. A mirror drive turns the mirror through a predetermined angle to switch between the light path for projecting the display image and the light path for projecting the negative image.

Abstract: In an optical scanner having a plurality of mirrors for scanning a document, a planeness reinforcing member having a predetermined degree of planeness is fitted on major ones of the mirrors. The reinforcing member successfully reduces the vibration of the associated mirror without impairing the planeness of the mirror.

Abstract: A photometric system structure used in a printer section in which an image of a photographic film is printed onto a photosensitive material through a lens system. The lens system can be removed from an optical axis of light emitted from a light source and replaced by another lens system. A photometric device is disposed on the optical axis of the light emitted from the light source and changes an optical axis direction of at least a part of the light emitted from the light source to measure the light whose optical axis direction has been changed and which is used as photometric light. A beam splitter moves integrally with each of the lens systems.

Abstract: Disclosed are a photographic method which including optically dividing the picture plane of a great-size original into two areas and photographing said areas with a specified combination of a lens having a narrow angle of view with two or three pairs of mirrors to form the images of the original on the same plane, and a photosensitive material printing apparatus utilizing the above photographing method.

Abstract: A reader-printer typified by discharging a print sheet from a printer unit towards the front surface of the apparatus. The central line of a projection lens is positioned on one side of the apparatus as viewed from the front surface of the apparatus with respect to the central line of a projection screen of a reader unit. The central line of a print discharging section in the print sheet discharging/conveying direction is positioned on the other side thereof.

Abstract: An automatic printer for making prints of normal and panoramic format negative filmstrip image frames arbitrarily interspersed in a single filmstrip. Normal and panoramic projection systems are provided for projecting normal and panoramic images onto respective projection planes of the photographic print paper. Normal and panoramic format image frames are distinguished, and the appropriate projection system is employed through the insertion or withdrawal of a first reflective mirror into the projection path of the image bearing light beam. Zoom lens systems in each projection system are set to the appropriate magnifications for the width of print paper employed. The panoramic projection system employs a precision variable conjugate controlled zoom lens in association with a second movable mirror to adjust object plane to image plane distance to avoid overlap of the normal and panoramic projection planes at each magnification for each paper width.

Abstract: A document processing system for performing multiple document processing tasks while the documents travel in a straight line document path is provided. The document processing system may include a transport system for transporting the documents in a straight line path, a sensing system for sensing the presence of the document, an optical system for projecting the image of the document, a camera module for receiving the projected image and storing it onto film, a film marking system for placing blips on the film adjacent the document image, a film numbering system for placing alphanumeric characters on the film adjacent the document image, an endorsing system for placing a printed endorsement on one side of the document, an electro-optical scanning system for scanning the image of the document processing the signal into a bit mapped image or for use with external communications devices, scanning for bar code symbology, and imprinting characters on the documents.

Abstract: A light beam recording device. A light beam irradiated from a light beam irradiating device is scanned onto an object to be illuminated, which is provided in a vicinity of a focal position, while being focused by a scanning optical system. A converging member is disposed on an optical path between the light beam irradiating device and the scanning optical system, and converges a light beam which is incident on the converging member. An optical path changing device is disposed in a vicinity of a converging position of a light beam which is converged by the converging member, and changes an optical path of the light beam.

Abstract: A novel method of pattern formation and a projection exposure apparatus are the pupil of a projection lens of the projection exposure apparatus for forming an LSI pattern or the like, and mount an optical filter having a complex amplitude transmittance distribution expressed substantially as T(r)=cos(2.pi..beta.r.sup.2 -.theta./2) as a function of a radial coordinate r normalized by the maximum radius of the pupil. Alternatively, the Fourier transform of a layout pattern drawn on the LSI is obtained, the obtained Fourier transform data are multiplied by cos(2.pi..beta.f.sup.2 -.theta./2)(where f is a spatial frequency, and .beta., .theta. appropriate real numbers), the inverse Fourier transform of the resulting product is taken to produce a pattern, and this pattern or an approximate solution thereof is used as a mask pattern thereby to produce an LSI by exposure.

Abstract: An image exposure apparatus and method generates a first optical image light and a second optical image light. The first optical image is input to a read side of a spatial light modulating element, and the second optical image light is input to a write side of the spatial light modulating element, so that the first optical image light is modulated by the second image light to be output from the read side again; and exposing the light sensitive material to the output image from the read side, that is the both images are combined, or the intensity of both image lights are modulated.

Abstract: A photographic printer for printing negative images on a negative film onto photographic paper. The printing direction can be changed over between "lateral" and "longitudinal" without changing the feed direction of the negative film. A reflecting mirror is inclined by 45.degree. with respect to the optical axis of the light emitted from a light source to the negative film and is supported to be rotatable about the optical axis. A driving unit is provided to rotate the reflecting mirror by 90.degree. about the optical axis between a reference position and a second position. Exposure stages are provided on the optical axes of the light beams reflected by the reflecting mirror when the mirror is in its reference position and second position, respectively. The photographic paper is guided through the exposure stages. According to the position of the mirror, negative images are printed on the paper at one of the two exposure stages.

Abstract: A method and device for rotating images about an optical axis by changing the direction of a light path by a composite mirror unit having a simple structure. A printing device has a light source for emitting light to an image Xa on a negative film, a printing lens for adjusting the magnification of the light that passes through the image, and a composite mirror unit for reversing the light path to print an image Ya on a printing material. The entire composite mirror unit can be rotated through a predetermined angle about a rotary shaft by a driving motor. The composite mirror unit has two oppositely arranged mirrors which are mounted on separate blocks and so as to be inclined by 45.degree. with respect to the vertical. By turning the unit by .+-.45.degree. from the reference position (0.degree.), the image will rotate by 90.degree. or 270.degree. with respect to the image Xa.

Abstract: An original scanning apparatus comprising original support means on which an original is rested, elongated light source means for illuminating the original rested on the original support means, reflection means for reflecting light from the elongated light source means toward the original support means. The elongated light source means is fixed and the reflection means being shiftable, so that the original rested on the original support means is scanned by shifting the reflection means. Apparatus further includes side reflector means disposed at a longitudinal end of the elongated light source means and extending along a shifting direction of the reflection means.

Abstract: Opposite surfaces or sides of a mirror in an optical system are supported in a spring-biased manner at three points in total. This prevents a shift in position of the mirror that otherwise might occur due to shocks during reciprocal movement of the optical system.

Abstract: An exposure-scanning device comprising a guide member horizontally arranged, a scanning member slidably mounted to the guide member for performing an exposure-scanning operation upper and lower rollers rotatably mounted to the scanning member, both rollers vertically sandwiching the guide member, and an urging means provided at the scanning member for upwardly urging the lower roller to be constantly in contact with the guide member.

Abstract: A high speed multi-magnification photofinishing printer for selectively projecting images onto a projection plane containing photographic paper at a plurality of different magnifications is disclosed herein. This printer includes means for supporting a given image bearing photographic negative, means cooperating with the negative for producing a given image bearing light beam, and a plurality of spaced apart but fixed magnification lenses, each of which is designed to project the given image bearing light beam onto the photographic paper contained within the projection plane at different magnifications. The printer also includes light beam position altering means for selectively and alternatively causing the image bearing light beam to pass through any one of the plurality of fixed magnification lenses and onto the photographic paper, whereby to selectively and alternatively project the image bearing light beam onto the paper at one of the different magnifications.

Abstract: A mirror driving method, and device, for a photographic printer having a mirror diagonally movable into and out of a printing light path between a photographic film and a printing lens. The mirror is moved into the printing light path for reflecting light toward a photometric system of the photographic printer during light measurement before printing. During printing, the mirror is removed from the printing light path and is stopped at a rest position. When moving from the rest position into the printing light path, the mirror is controlled to move first at a high speed and then at a low speed. When the printer operation is interrupted for a period or terminated, the mirror is locked at a lock position which is removed from the printing light path.

Abstract: In processing a plurality of original images from different viewpoints through a lenticular sheet having a plurality of lenticular lenses to form a plurality of corresponding linear picture elements that are to be projected on a picture element recording or display medium, the following steps are taken: launching the beams of light from the respective original images into one or a corresponding number of projection lenses; separating the transmitted beams for the respective original images by means of a mirror optical assembly consisting of mirror units each composed of at least two mirrors for each original image; adjusting the optical pathlengths of the beams to the picture element recording or display medium by means of the mirror assembly; adjusting the key subject matter in the mirror assembly so that it will register among the projected views of all original images; allowing the beams to be incident on lenticular lenses at predetermined projecting angles; and imaging those beams as linear picture elemen

Abstract: Virtually distortion free large field high resolution imaging is performed using an imaging system which contains large field distortion or field curvature. A reticle is imaged in one direction through the optical system to form an encoded mask. The encoded mask is then imaged back through the imaging system onto a wafer positioned at the reticle position. Particle beams, including electrons, ions and neutral particles, may be used as well as electromagnetic radiation.

Abstract: Virtually distortion free large field high resolution imaging is performed using an imaging system which contains large field distortion or field curvature. A reticle is imaged in one direction through the optical system to form an encoded mask. The encoded mask is then imaged back through the imaging system onto a wafer positioned at the reticle position.

Abstract: A reflecting device includes a reflection surface for reflecting light inputted thereto from a predetermined direction; and a driving mechanism for moving the reflection surface without causing a change in a direction of reflection and a position of reflection of the inputted light.

Abstract: A reverse printing system is disclosed. A camera has a setting means for setting a reverse print informations and a recording means for recording the reverse print information set by the setting means. A printer has a reading means for reading the reverse print information recorded by the recording means and a control means for printing a photographed image so that the photographed image is reversely printed in accordance with the reverse print information.

Abstract: A graphic camera/platemaker optical system is described having a copyboard for an original subject, a lens, an image plane and a mirror. The copyboard, lens and mirror are independently movable such that they may move in different directions in order to produce a variable scale image or reproduction of the original onto the image plane. The movable elements are positioned by separate stepping drives controlled by a common microprocessor.

Abstract: An element selecting device for locating one of a plurality of elements on a predetermined plane which comprises a horizontally movable supporting member which supports the plurality of elements on the predetermined plane, wherein the movement of the supporting member is controlled according to the signals of sensors therein. Consequently, by using the element selecting device, in a filter conversion device, for example, the device can be structured simply and reliably with filters of different color separation functions being disposed in a row.

Abstract: An image forming apparatus comprising a laser beam radiating unit utilized as a light source, and an optical system that the surface of an original reflects a laser beam radiated from the radiating unit to project an image reflected form the original onto a photosensitive member. In this apparatus, an image is formed selectively in a print mode that an image results from turning on and off the laser beam, in a copy made that a copy of an original results form exposure of the photosensitive member to the laser beam reflected from the surface of an original or in a composite mode that a composite image is formed of a copy of an original and an image resulting from turning on and off the laser beam. Also, this apparatus comprises a reflecting member which is provided on an original supporting table and extends in the sub scanning direction, and a sensor for detecting the laser beam reflected from the reflecting member.

Abstract: A photographic printer having a roof type mirror with a reflection surface of a roof type. The roof mirror is disposed at a 45 degree angle relative to the optical axis of the printing lens. Incident light is reflected twice by the roof mirror, and thereafter it reaches either a photosensitive material disposed at the focal plane of the printing lens, or a monitor screen. The roof mirror reverses the right and left sides of an image so that the right and left sides of an image projected upon the monitor screen or photosensitive material are the same as those of an original image of the photographic film. In a preferred embodiment, when the roof type mirror is inserted within the printing optical path, the light reflected by the roof type mirror reaches a first exposure station, and when the roof type mirror is retracted from the printing optical path, the light passed through the printing lens reaches a second exposure station.

Abstract: An image reading apparatus is provided which comprises an original table cover having an image projection window, and a lid member having a reflector on the inner surface thereof, movably attached to the original table cover. Image projection light from a projector placed on the original table cover is reflected by the reflector on the lid member, and focused on a glass original table.

Abstract: An apparatus for reproducing a picture with variable magnification under normal daylight conditions. An interceptor eliminates flare. The position of the interceptor changes as a function of the magnification. High quality images can be obtained without increasing the size of the apparatus. The apparatus also facilitates tracing of the image. The apparatus can be easily maintained.

Abstract: A reflect type photographic printer having a flat plate mirror and a roof type mirror which are set selectively in an L-shaped printing optical path. If photographic film is loaded in the film carrier with its photosensitive emulsion layer directed upwardly, the roof type mirror is set within the printing optical path; if the film is loaded with the emulsion layer directed downwardly, the flat plate mirror is set within the printing optical path.

Abstract: A copyboard and a platen are disposed horizontally so that a copy can be horizontally placed on the copyboard and a photosensitive medium can be horizontally supported on the platen. A mirror disposed above the copyboard and a movable mirror disposed above the platen jointly form an optical path extending from the copyboard to the platen, while shortening the distance between the copyboard and the platen. Two pairs of mask plates are disposed in front of and parallel to the surface of the platen on which the photosensitive medium is to be supported, the mask plates being independently movable along two axes perpendicular to each other. The distances from the optical axis to the mask plates are determined for each of images to be photographed on the photosensitive medium, based on various input data including a photographing dimension, the distances between the photosensitive medium and the mask plates, etc.

Abstract: An apparatus for forming enlarged exposures of film negatives is provided. The apparatus is adapted to be coupled to the housing of a conventional photo-processing machine without requiring permanent modification of the conventional machine. The apparatus includes a pair of magazines, one magazine of which houses a roll of unexposed paper. The unexposed paper is fed from the one magazine, vertically through the apparatus and into the other magazine. A mirror placed in the conventional machine, reflects a focussed light beam that has passed through a negative. The light beam is directed into the apparatus so that it impinges on a portion of the unexposed paper passing therethrough thereby forming an exposure of the negative on the paper. Drive motors automatically advance the paper from the one magazine to the other, upon exposure of the negative on the paper. A cutter is provided for cutting the paper when a complete reel of negatives has been exposed.

Abstract: A scanning-member-stop positioning device for the image forming apparatus, wherein a document in contact with a document glass plate is exposed due to the movement of a scanning member consisting of an optical section or a document glass plate, will execute a precise braking control in which a suitable degree of the brake power determined by the actual run to stop the scanning member just at the home position. Accordingly the present invention should be characterized about what the brake power, started at the timing of the passage over the fixed position against the scanning member running back toward the home position in the fixed velocity, is changed the degree, and about what the suitable degree of the brake power is determined by operation corresponding to the moving distances given as a result of the change.

Abstract: An image recording apparatus for forming a latent image on a photosensitive pressure sensitive sheet and for developing the latent image on a developer sheet. The apparatus includes an exposure unit and a developing unit positioned close to each other. The apparatus also includes an optical system for irradiating light onto an original and directing the light reflected at the original toward the exposure zone. The original has an original image facing downwardly, and the photosensitive sheet has an imaging surface facing downwardly at the exposure zone. The optical system provides a U or J-shaped optical path extending from the original to the exposure zone. The optical system has reflection mirror unit vertically movably secured to a pair of frames of the apparatus. The frames are reinforced with a partition member which also functions as a light shielding member.

Abstract: A copying apparatus comprising a first information displaying means disposed on each copied paper discharge bin of a sorter, a second information displaying means disposed on each document discharge bin of an automatic document feeder, and a controlling means, so that the same information such as a number is displayed on a bin into which documents have been discharged and a bin into which copied papers have been discharged after copying has been completed, and in case where either of the documents or the copied papers are removed, an information such as a number on the bins wherein the other are left blinks to raise an alarm, and furthermore, in case where the copied papers are discharged into a plurality of bins and the copied papers are removed from part of the bins, an information such as a number on the bins wherein the other copied papers are left blinks to raise an alarm, and still further, the identification information registered for each documents in advance is displayed on the bin into which the doc

Abstract: Disclosed is a reader-printer capable of being changed over between a reader mode in which the light image of an original is projected onto a screen and a printer mode in which the light image of the original is projected onto a photosensitive medium. The reader-printer has first optical means for forming a first optical path for projecting the light image onto the screen and second optical means for forming a second optical path for projecting the light image onto the photosensitive medium. The second optical means includes a first mirror and a second mirror. The first mirror is movable so that it is positioned outside the first optical path during the reader mode and is positioned in the first optical path during the printer mode. The second mirror is movable with the first mirror.