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4989034 |
Method of eliminating cushion distortion
A method of eliminating cushion distortion when adjusting reproduction equipment comprising a picture plane, an objective plane, and an original plane. The cushion distortion results optionally...
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4956906 |
Method of preparing pre-distorted images for decorating a shaped blank
According to the invention, the surface of a blank to be shaped into a product is decorated by marking on a test blank a plurality of reference points distributed over the entire surface of the...
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4914700 |
Method and apparatus for scrambling and unscrambling bar code symbols
Apparatus for and method of unscrambling a parallax panoramagram that is a lineticular dissection of a bar code formed by scrambling the bar code in accordance with a graticule formed of a...
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4897688 |
Document imaging system with bi-directional anamorphic magnification capability
An imaging system in a copier is modified so as to scan original documents at speeds differing from the image medium speed through the exposure zone so as to anamorphically reduce or enlarge the...
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4891668 |
Optical imaging system for a copying machine
An optical imaging system for compensating for the image elongation inherent in the transferring and fixing process without introducing unsharpness in the image wherein the original moves in the...
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4886329 |
Optical scanning device as well as a microfilm reader-printer with such a device
In a microfilm reader-printer working according to the rotational principle one of the fixed deflecting mirrors (11, 12) by which the image is to be projected on an exposure area (13) is made and...
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4773748 |
Dynamically controlled mirror for reduction of projected image distortion
A deformable mirror system for reduction of projected image distortion in an optical system is disclosed. The mirror is adapted to correct for ray direction. In accordance with the invention, a...
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4763169 |
Photographic optical bench
A photographic optical bench includes a pulsed source of illumination (1) and an aspheric condenser (2). Color filters (21) and corresponding apertures (22) are positioned between the pulsed source...
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4763173 |
Imaging system for compensating for image distortion due to wrinkled or curled documents
A document imaging system is compensated for distortion caused by non-planarity in the documents by providing a positive lens with varying power at a location beneath the document platen. In a...
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4728994 |
Illumination system utilizing a document platen with a diffusely reflecting surface
An illumination housing includes a glass platen for supporting a document, the platen having at least one surface area uniformly roughened. In one embodiment, both surfaces are uniformly roughened...
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4723154 |
Image reading apparatus
When directing a slit-like image information light to an imaging lens through a condensing lens, the refractive power of the condensing lens is made to differ between the lengthwise direction and...
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4719492 |
Scan type anamorphic magnifying apparatus
The present invention relates to a scan type anamorphic magnifying apparatus capable of a so-called anamorphic magnification for appropriately enlarging or reducing an image of an original document...
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4716441 |
Light exposure apparatus
Disclosed is a light exposure apparatus which has a light source, a light exposure optical system, an alignment optical system and a box, the interior of which is at a reduced pressure in which the...
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4716443 |
Photographic image precision reproportioning system
A photographic reproportioning apparatus for changing one dimension or edge configuration of a two dimension image contact print exposed on a photosensitive film moved by a support platen in a...
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4705390 |
Originals patching device
An original patching up device including a projector which projects a focused image corresponding to an image on an original carrier having a reference side while continuously changing projection...
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4702994 |
Projection imaged relief printing plates
A relief printing plate is made by exposing a photopolymer layer on a support sheet to image forming projected light radiation and then removing the unexposed portions of photopolymer. The image...
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4701045 |
Method and apparatus for reducing optical artifacts
There is disclosed a process and apparatus by which the energy distribution of preselected areas of illumination is altered by diffusion so as to minimize the visual effects of artifacts on image...
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4682300 |
Image correction processing method and apparatus
By using a low-frequency component of attitude data of an uncorrected image resulting from scanning the ground by means of a sensor mounted on a satellite, low-frequency distortion correction...
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4678321 |
Anamorphic focusing system
An anamorphic focusing system includes a focusing device including a roof-mirror-lens array for focusing an image of an object, and a cylindrical lens disposed in an optical path extending from the...
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4666291 |
Light-exposure apparatus
A light-exposure apparatus which can keep uniform the gap between a mask and a wafer and reduce the density of arrangement of vertical movers adapted to deform the wafer to thereby reduce cost and...
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4650317 |
Image forming apparatus with a unidirectional magnification function
An image forming apparatus with a unidirectional magnification function, the apparatus comprising an original scanning unit for optically scanning an original in a predetermined direction so as to...
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4610535 |
Apparatus for reproducing a colored surface on a photographic emulsion
An apparatus for reproducing at least one colored surface on a photographic emulsion. The apparatus consists essentially of a sensitometer 10, a mask 11 which is movable with respect to the top...
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4583846 |
Slit exposure type copying machine capable of copying with anamorphic magnification
A slit exposure type copying machine capable of copying with anamorphic magnification. The degree of the refractive action of at least one triangular prism is so set as to compensate for the...
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4582768 |
Method for forming register marks
A method for forming or marking register marks used for the automatic registration between a plurality of printing plates in a printing press. A register mark forming or marking device is mounted...
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4575232 |
Method for producing rectified and superimposed images from multispectral photographs
A method for producing rectified and superimposed images from multispectral photographs particularly for use in evaluation of data obtained by remote sensing comprises the steps of arranging...
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4556312 |
Optical printing devices for printing on blanks which are intended for swaging
A device is disclosed for printing on blanks which are intended for swaging, to obtain a predeformed image on the blanks which, following swaging, will reconstitute the original image. The device...
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4545673 |
Photographic modifier method and apparatus for graphics and the like
A photographic modifier and method for photographically modifying graphics and the like. A first transparent support which carries an image is overlaid on one side by a second transparent support...
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4540251 |
Thermo-mechanical overlay signature tuning for Perkin-Elmer mask aligner
Thermoelectric heat pumps are individually located at multiple flexures functioning to support a primary mirror which mirror reflects light from an aluminum mask onto a semiconductor wafer. The...
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4538914 |
Transfer apparatus for compensating for a transfer error
Disclosed is a transfer apparatus provided with a first body having a plurality of alignment marks, a second body having a plurality of alignment marks, a projection optical system for projecting...
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4497571 |
Photographic enlargements
A method of and apparatus for producing a second photographic negative film segment having low grain from an original high grain negative in which an enlarger projects an image of the original...
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4480910 |
Pattern forming apparatus
There is disclosed a pattern forming apparatus for projecting a pattern which is formed on a reticle upon a photoresist layer on a substrate which comprises an illumination system for illuminating...
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4475809 |
Apparatus for modifying images on photographic film
A photographic exposure apparatus for modifying graphic images by adding or subtracting image area in precise amounts from all defining edges of the graphic image as it is being exposed upon a...
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4462683 |
Method of preparation of pattern designs for printing
Disclosed is a method of the preparation of pattern designs for printing, in which a shadow of an opaque article having a specific shape and structure, which is interposed between two confronting...
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4433911 |
Method of evaluating measure precision of patterns and photomask therefor
A method for evaluating the measure precision of patterns such as photoresist and etched ones, and a photomask therefor. The photomask according to the present invention has a mask pattern...
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4425038 |
Technique to modify wafer geometry
Means and methods are provided for controlling the geometry changes in a wafer or mask to permit patterns on the wafer to be matched with projected patterns from the mask. A sealed chamber is...
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4423956 |
Vapor deposit contact printing method and apparatus
Apparatus and method for contact printing which comprises moving a photographic image-bearing web and a photosensitive web in close contact, and at substantially uniform speed past an exposure...
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4420249 |
Image reproportioning machine
An improved image reproportioning system is of the type for reproducing an image from an image bearing sheet onto a photosensitive sheet so that the scale of one dimension of the reproduced image...
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4408874 |
Projection aligner with specific means for bending mirror
A projection aligner is provided wherein anamorphic metric distortion can be introduced in the projection image by employing a bending mirror that makes a slight change in magnification along one...
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4396280 |
Photographic reproportioning machine and radius attachment therefor
A photographic reproportioning apparatus for transferring an image from a sheet member to an arcuate image on a photosensitive sheet has first and second travel boards movably supported for...
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4394083 |
Imaging system for a multi-magnification copier utilizing gradient index lens array
The invention relates to an imaging system for a multi-magnification copier which employs a plurality of gradient index lens arrays to provide a 1× as well as a magnification capability. The...
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4390272 |
Photographic distortion method and apparatus
A method and apparatus for obtaining a distorted photographic reproduction from a negative photographic image, in which a sheet of photosensitive printing paper is attached to a planar surface of a...
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4390271 |
Process for producing orthographic projection image of complex terrain/targets from an automatic system using two photographs
An optical-recording process is used to produce an edge-enhanced, darkfie orthographic projection image of complex terrain or target configuration by utilizing two photographs from cameras pointed...
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4376580 |
Projection aligner with bending mirror
A projection aligner is provided wherein the image position can be shifted by employing a bending mirror which makes a slight change in the magnification.
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4357102 |
Photography system with large length to width picture format ratio
The viewfinder of a conventional 35-mm. camera has a horizontal portion masked off by an appropriate insert so that the scene viewed has a length to width ratio greater than 2.0 to 1 and preferably...
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4350437 |
Apparatus and method for producing images of various sizes on photosensitive film
An apparatus for producing images of various sizes on photosensitive film from either a photographic negative or positive which includes a photographic image having a predetermined size using a...
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4340298 |
Copyholder
This invention relates to a copyholder for exposure of opaque copy material upon a surface unit comprising two end extensions that traverse freely, in a horizontal movement, through two...
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4302097 |
Three-dimensional representation of solid objects
A solid object, such as a human head, is optically scanned by photographically or photoelectrically recording, in each of a succession of closely spaced angular positions about a central axis, a...
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4298271 |
Scanning and projecting device
A scanning and projecting device of a construction having a rotationally symmetrical first image forming optical system, a scanning surface disposed on the focal plane of the optical system, a...
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4293184 |
Scanning projection device
A scanning projection device in which a first plane is scanned by a light deflector provided between the first plane and a second plane and partial surfaces of the first plane scanned by the...
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4268166 |
Apparatus and method for modifying images on photographic film
A photographic exposure apparatus and method for preparing production artwork of an image to be reproduced by photoengraving. The apparatus includes a movable panel superposed on a stationary plate...
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