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7480053 |
Position detection based on two-directional correlation
A method of determining position information, the method having detecting—along a first direction—a value of a geometry parameter related to a structure formed on and/or in a substrate, and...
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7292354 |
Apparatus for photoelectric measurement of an original
An apparatus for the photoelectric measurement of an essentially planar measurement original includes a photoelectric scanner and a positioning arrangement for the two dimensional movement of the...
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7259857 |
Methods for automated uniformity assessment and modification of image non-uniformities
Methods for automated uniformity assessment and modification of image non-uniformities using an image measurement device capable of determining image reflectance and/or transmitter as a function of...
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7224460 |
Mapping-measurement apparatus
A mapping-measurement apparatus includes a light illumination unit, a photodetector for detecting, through an aperture, reflection light or transmission light from a sample, and adjustable scanning...
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6758845 |
Automatic firing apparatus and methods for laser skin treatment over large areas
Laser skin treatment apparatus includes a handpiece for delivering laser-radiation pulses from a laser to an area of skin being treated. The area being treated is larger than an area treatable in a...
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6707557 |
Method and system for estimating sensor dark current drift and sensor/illumination non-uniformities
One aspect of the present invention is a system for estimating sensor and illumination non-uniformities. The system comprises a first light source, and a first sensor operable to capture light...
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6661518 |
Analysis machine for analyzing a cleanness condition of perforated transparent strips
An analysis machine for analyzing the cleanness condition of perforated strips enables a direct non-destructive measurement, without image conversion, of pollution by particles on the surface of...
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6602716 |
Method and device for referencing fluorescence intensity signals
A method and device for fluorimetric determination of a biological, chemical or physical parameter of a sample utilize at least two different luminescent materials, the first of which is sensitive...
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5930433 |
Waveguide array document scanner
The optical scanner comprises a light source, an image sensor, a planar array of elongate optical waveguides, and input and output coupling optics for communicating light to and from the image...
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5923413 |
Universal bank note denominator and validator
An apparatus and method for providing an indication of a type of note passing through the apparatus includes a note transport (12) which moves the note past transversely spaced spot sensing...
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5875022 |
Film image detection device and method
There is provided a film image detection method, comprising the steps of measuring densities at a large number of measurement points arranged along a first direction and a second direction crossing...
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5828459 |
Apparatus and method for scanning laser microscopy
A method for determining the fine structure of materials by means of a nonlinear scanning laser microscope, including the steps of forming an image of a specimen by scanning selected points thereof...
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5686210 |
Identification of image-forming material type
Described herein is a method and apparatus for identifying image-forming material type, particularly photographic material types. The method comprises illuminating a sample of the material at a...
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5682245 |
Microscopic photometry apparatus
In a microscopic photometry apparatus having an optical system for photometry and an optical system for observation, there are provided a mirror having a slit for photometry, a photodetector for...
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5621532 |
Laser scanning microscope utilizing detection of a far-field diffraction pattern with 2-dimensional detection
A laser scanning microscope provided with a laser light source, an illuminating optical system for condensing the light from the laser light source to form a light spot on a specimen, a scanning...
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5621521 |
Checking apparatus for array electrode substrate
Provided is a checking apparatus for array electrode substrate, which can check an array electrode substrate in non-contact and at high speed. A probe assembly includes a plurality of electro-optic...
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5617213 |
Spot microdensitometer for spectral density analysis of film
A spot densitometer system comprising a viewing assembly, a photodetection apparatus optically connected to the viewing assembly, and a computer interface electrically connected to the...
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5574577 |
Method and apparatus for digitally archiving analog images
An apparatus for digitally archiving analog film images includes a support surface on which an analog film image may be supported, and a digitizer that is spaced from the support surface in a...
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5543883 |
Calibration of sensitometers
Sensitometers are used for monitoring photographic and radiographic processes, and then making it possible to control these processes. However, although it is relatively straightforward to obtain...
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5463217 |
Adapter for scanning transparencies with a reflective document scanner
A completely passive adapter for scanning transparent images in a reflective scanner. Mirrors are used to capture light from a lamp that is internal to the scanner and to reflect that light thought...
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5393624 |
Method and apparatus for manufacturing a semiconductor device
A method of manufacturing a semiconductor device of this invention relates to a method of manufacturing a semiconductor device with ultra-micropattern electrodes. Light is projected on a resist...
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5323018 |
Storage phosphur size compensation system
Laser imaging apparatus includes a laser which produces a laser beam. An image media is scanned with a laser beam in a raster pattern to produce a scanned image. A photodetector converts the...
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5235183 |
Optical scanner using tilted film media
The method and apparatus for using a light beam to scan media, particularly radiographic film media, for digitization wherein the scanning beam and the media transport path are optimized to...
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5229618 |
Radiation image read-out apparatus compensating for image distortion
A radiation image read-out apparatus comprises a read-out section for photoelectrically reading out a radiation image from silver halide film, on which the radiation image has been recorded, and...
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5221848 |
High dynamic range film digitizer and method of operating the same
Apparatus and a method for digitizing an image having a high dynamic range is disclosed. The apparatus includes a solid-state image sensor having at least two linear charge-coupled device arrays...
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5117119 |
Auto-ranging film densitometer
A film densitometer for generating digital density values as a function of analog transmittance signals received at an input. A comparator coupled to the input compares the transmittance signals to...
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5113081 |
Web inspection system and method with exposure, detection and sampling means
A web of photographic film or the like having an optical property to be inspected and measured (such as exposure density or reflectance) is transported through a flasher chamber at a predetermined...
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5037207 |
Laser imaging system
A laser imaging system is disclosed which provides the versatility of wide field digital imaging with enhanced spatial resolution and light gathering efficiency. The system will scan targets of any...
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4954971 |
Bidimensional laser array with two groups of active regions
A semiconductor diode laser array, in which the active regions (3) are arranged in at least two groups, which are located in (two) substantially equidistant planes (V and W). At least one of the...
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4949284 |
Method of adjusting density measurement position
A density measurement position adjustment method includes the steps of setting a reference sheet on which a predetermined pattern is printed on an X-Y coordinate table, designating at least three...
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4941746 |
Apparatus for automatically determining the densities of a graphic image
An automatic scanning densitometer which is self calibrating and accurately measures highlight density, shadow density and tonal distribution of midtones occurring in the subject matter of the...
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4837450 |
Apparatus for reading a film image with controllable illumination and threshold value
An apparatus for reading a microfilmed image to obtain digital image signal, in which the level of quantizing is determined by measuring the density of image and of background.
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4818861 |
Film image reading out device
In a film image reading out device, in which one surface of a film, where images are recorded, is scanned repeatedly with a laser light beam along a scanning line and images are read out by...
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4814597 |
Apparatus and method for enhancing radiographs and the like
Method and apparatus for producing an enhanced radiographic image from a developed radiograph. The apparatus includes a support structure for supporting the radiograph in a stacked relationship...
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4800269 |
Scanning type optical microscope
In order to make it feasible to obtain a differential phase image having a uniform brightness and good quality, a scanning type optical microscope comprises: a laser light source; an objective lens...
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4792830 |
Method for detecting defocused photographic images and photographic printing device
In printing photographic film, photographic images or defocused images due to improper adjustment of focus at the time of photography should be eliminated from printing. There have been proposed...
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4781464 |
Gel scanner
To scan gels optically, a gel scanner includes a gel holder and an optical system mounted for motion with respect to each other. The optical system includes a tungsten halogen lamp, first aperture,...
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4762985 |
Auto-focus apparatus applied to image reading apparatus and the like
In an auto-focus apparatus of the invention, an image sensor (e.g., a CCD) produces an image signal corresponding to an image on a microfilm. The image signal from the image sensor is encoded to a...
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4750838 |
Optoelectronic circuit
An optoelectric circuit for measuring the different optical densities of an image carrier, a toned test patch in an otherwise untoned imaging area of a photoconductor surface in a xerographic...
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4736099 |
Scan device with light mixer and diffusing means for half-tone transparency originals
An apparatus for scanning a transparency image original wherein scattered light emerging from the original is guided through lens or diffraction gratings onto a diffusion screen attached to a light...
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4734578 |
Two-dimensional scanning photo-electric microscope
A scanning type optical microscope comprising a pair of light deflectors disposed between a laser light source and an objective lens for performing two-dimensional scanning of an object requiring...
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4717258 |
3-channel microdensitometer for analysis of plate spectra
A densitometer providing simultaneous sensing of the density in precisely adjacent portions of plural adjacent tracks. The densitometer preferably operates with stellar a pattern in which two...
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4709157 |
Method and apparatus for inspecting web surface
Method and apparatus for inspecting a surface having a photosensitive layer on a wide film web from which lateral margins are slit away, by detecting defects of the photosensitive layer of the...
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4707613 |
Inspecting device for a thin film coating material with applicator-following detector
An inspecting device for inspecting a thin film coating material applied to a material being treated such as glass includes a projector and a photoreceptor disposed across the material being...
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4705403 |
Apparatus and method for measuring a photometric characteristic of a sample portion
A photometric apparatus includes a light source, apparatus for oscillating a light beam spot across a sample, apparatus for measuring secondary light from the sample, and apparatus for determining...
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4666306 |
Method and apparatus for detecting photographic image information
The density of an original picture film must be measured in order to determine exposure and correction amount for printing in a photographic printing system. A photosensor was heretofore arranged...
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4653926 |
Method of detecting blurred photographic originals
The transmission density of a photographic original is measured at parts thereof using a pair of light measuring systems having different measuring areas. A characteristic value of the frequency...
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4596468 |
System for scanning color printing register marks printed on the printed sheets
An apparatus and method for automatically checking and correcting register adjustment of a multi-color sheet-fed printing press wherein register marks are read by an ink densitometer on a remote...
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4573798 |
Method and apparatus for measuring pattern area percentage for engraving films
Apparatus for measuring pattern area percentage of engraving film with a transparent member for placing the film thereon, an optical device having a light source and light receiving unit, a moving...
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4572671 |
Densitometer for an electrophoresis apparatus
A densitometer comprises a first carrier supporter for supporting a carrier formed of a cellulose acetate film for carrying a blood serum specimen after an electrophoresis process is completed and...
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