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6819401 |
Exposure method and apparatus
An exposure method includes the light incidence step of letting at least a part of light emitted from a light source for exposure use be incident on a mask supported by a supporting device, and the...
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6768127 |
Device and method for wavelength dependent light outcoupling
The invention relates to an exposure apparatus, in particular for wavelength-dependent light outcoupling, in which at least one preferably wavelength-dependent mirror layer is located within an...
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6636349 |
Reflection and refraction optical system and projection exposure apparatus using the same
An imaging optical system includes a polarization beam splitter, a quarter waveplate, a reflection mirror and polarization state changing unit. The beam from an object plane is projected by way of...
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6593996 |
System for projecting or displaying images
The invention relates to a system for projecting or displaying images comprising a valve exhibiting a plurality of image-forming elements having a light transmission coefficient which can be...
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6295116 |
Optical scanning system for printer
An optical scanning system for a printer includes an optical scanning unit having a deflector divided into a plurality of deflection regions to allow repetitive scanning of light emitted from a...
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5985491 |
Reflectors for photolithographic projection and related systems and methods
A photolithographic projection system for selectively irradiating a photosensitive layer on a wafer according to a predetermined pattern on a mask is discussed. The photolithographic projection...
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5982473 |
Image scanner
In an image reading method which executes a prescan to obtain optimum reading parameters for a main scan prior to a main scan for reading a document image, a document image is read by illuminating...
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5754277 |
Image forming method and apparatus with detection of focus state over plural areas in an image
In an image forming apparatus, an image illuminated by an illumination device is projected on a screen or on a recording medium. The focus state of the projected image is detected by a focus...
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5754276 |
Exposure control for a reader-printer projection apparatus
An apparatus for projecting an original image onto a screen or a photosensitive drum includes a controller for correcting a light amount of an original illumination lamp along a scanning direction...
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5649026 |
Apparatus for detecting marks on documents
An apparatus and method is provided for detecting and sorting a document containing an address change request from a group of documents. The apparatus includes a document transport for conveying...
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5642181 |
Image exposure apparatus
An image exposure apparatus switchable between a reader state for projecting an image on a screen for observation and a scan state for scanning exposure of the image, which includes plural scanning...
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5617183 |
Photometric system structure
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...
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5515121 |
Image projecting apparatus
In an apparatus for projecting an image by a projection lens onto a projection surface such as a screen surface or a surface of a recording medium, a prism for rotating the projection image is...
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5497216 |
Reader-printer
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...
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5438434 |
Portable apparatus for printing an image on film and displaying the image on a screen
A portable apparatus for printing an image on a film or monitoring the image on a display screen. An image generator, such as a CRT, generates a viewable image. The display screen is in optical...
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5436097 |
Mask for evaluation of aligner and method of evaluating aligner using the same
A mask for evaluation of an aligner includes, on a transparent substrate, a plurality of resistance measurement pattern blocks each including a plurality of resistance measurement patterns which...
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5416605 |
Print control method and apparatus for microfilm reader
A print control method for a microfilm reader enlarges a recorded image on a microfilm to the size of an original copy and projects the image on a screen; detects a black frame from an array...
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5398096 |
Automated focus point control device
An automated focus point control device wherein the focus point is aligned by adjusting a projection optical unit based on signals outputted from a sensor which detects the light transmitted...
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5376987 |
Space-efficient reader printer apparatus
In a reader printer, an upper unit for a printer is made to be rotatable toward an upper unit for a reader, both of which are provided on a lower machine box. The upper reader unit includes a...
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5365307 |
Image projecting apparatus
An image projection apparatus switchable between a reader mode in which an image is projected on a screen for observation and a printer mode in which an exposure position is scan exposed to the...
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5351139 |
Apparatus for photographing photographed film
There is disclosed an apparatus including a guide member for guiding a photographed film, an illumination unit for illuminating the film, a reflection member for reflecting light from the film, a...
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5343269 |
Image printing method and apparatus
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...
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5281992 |
Method of producing photographic prints and an exposure means for carrying out said method
A method of producing photographic prints in a printer is provided, in which it is possible to adjust at least the color composition of the light to be emitted by an exposure means of the printer,...
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5278609 |
Microfilm reader and microfilm used therein
A microfilm reader capable of printing out a printed image having the extension same as that of the original image recorded in the microfilm at a reduced size without the need of any instruction...
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5218200 |
Image scanner with turnable reflecting plate for scanning objects at different locations
An image scanner includes a reflecting plate which is turnable to selectively receive reflected light from an object to be scanned which may be positioned at two different locations. An object at...
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5214469 |
Method of and arrangement for reenlargement of microfilmed originals
A method of reenlargement of microfilm originals stored in form of microimages includes providing a plurality of microimages on a carrier, selecting microimages from the plurality of microimages...
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5202723 |
Method and device for driving a mirror for a photographic printer
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...
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5191485 |
Prism for image rotation
An assembly for rotating an image formed by a group of light rays has a first prism with a transparent first facet through which the light rays enter. The image light rays entering the first facet...
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5166725 |
Photogrammetric method and apparatus
An image of an out-of-scale aerial survey photograph is projected onto a reflective surface of an unstretched, flexible mirror vertically positioned in a frame. The back of the mirror is connected...
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5160958 |
Image projecting apparatus
A reader-printer selectively switchable to a reader mode allowing an image recorded in a microfilm to be projected on a screen and a print mode allowing the image light to be projected on an...
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5159656 |
Optical fiber scanning/imaging/printing system
A cathode ray tube provides a two-dimensional sequential scan pattern on which dots for scanning or printing are presented as spots of light provided in sequence. A single multi-scan linear raster...
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5153638 |
Image projection apparatus and the method of driving the zoom lens
An image projection apparatus which projects an image of a microfilm onto a screen and copies the image. Among a plurality of projection lenses, which are zoom lenses having set-ups of...
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5153637 |
Reader printer incorporating scanning plane mirror therein
A reader printer is disclosed which incorporates therein a scanning plane mirror for projecting an image in the form of a slit on a sensitive material. The sensitive material is shifted...
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5153636 |
Reader printer
When a film where a picture image is recorded in a vertical format is used in a reader printer with a horizontal type screen, the image rotating operation as well as the enlarging and reducing...
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5153635 |
Microfilm viewer/printer projection system
A microfilm viewer/printer projection system particularly adapted for full plane plain paper copying has a first, a second and a third mirror which selectively project a document image from a...
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5151733 |
Apparatus and method for copying photographic masters at variable magnifications
Light is passed through a negative located in a primary optical path and towards a band of copy material disposed in the path. A reflector is movable into the primary path so as to deflect the...
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5151593 |
Image reading apparatus with corrected optical length
An image reading apparatus includes an illumination unit for illuminating an image, a projection unit for projecting the image illuminated by the illumination unit onto a predetermined surface, a...
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5140374 |
Reader printer
A reader printer apparatus includes a modular housing formed by structural foam molding which includes an integrally formed means for carrying the various components of a reader printer apparatus....
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5140363 |
Image projector
An apparatus and method for detecting an image density of an original document is provided. The density of the image of an original document is determined during the changing of the zoom...
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5133603 |
Device for observing alignment marks on a mask and wafer
An observation device for use in observation of a first object and a second object onto which a pattern of the first object is to be projected, the observation device includes a light source; a...
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5123727 |
Method and apparatus for producing a measured value indicative of focusing correctly adjusted sharpness at projected pictures
The present invention relates to a method and apparatus for carrying out the focusing of projected images. To carry out such focusing, an image sensor operates on a small section of the projected...
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5115308 |
Image processing apparatus
An image processing apparatus switchable between an observation mode for projecting an image onto an observation position and a read mode for projecting the image onto a read position includes an...
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5111239 |
Card transporting device for use in a reader printer or the like
The disclosure relates to a card transporting device for use in a reader printer or the like. The card transporting device is capable of first transporting for transporting to a projecting position...
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5084756 |
Apparatus operable as a viewer or image scanner
A film image reader/scanner apparatus providing two capabilities, operable at separate times wherein one capability provides for the projection onto a viewing screen of a light image created from a...
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5068687 |
Reader-printer
A reader-printer for copying on a recording paper an image recorded in a microfilm is disclosed, which reader-printer is provided with shutter members capable of intercepting the projected light...
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5066972 |
Image forming apparatus with positional adjustment of exposure area according to image size
A slide printer exposes an elongated microcapsule sheet to a light image in an exposure position, and, thereafter, a pressure development unit forms a visible output image on a developer sheet...
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5065182 |
Image forming system
An image forming apparatus provided with an image forming part capable of reproducing on a recording medium an image information frame recorded on a microfilm. The apparatus effects a decision as...
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5065179 |
Microfilm reader-printer
A microfilm reader-printer having a reader mode for projecting an image of a microfilm onto a screen and a printer mode for printing the image on a copy paper. The screen is provided with indexes...
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5061955 |
Microfilm reader/printer
A microfilm reader/printer for selecting a desired image from images recorded on a microfilm roll to print the desired image, the images being recorded by the duo photographing system in two...
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5047800 |
Image recording apparatus
An image recording apparatus for recording an image on a record sheet by projecting the image onto an image recorder through a projection lens includes an image position detecting device for...
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