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| Number | Title | Issue Date |
| 8129703 | Intraoral imaging system and method based on conoscopic holography A conoscopic holographic system and a method for imaging a scene characterized by a surface having a three-dimensional shape. The system utilizes an optical source, which illuminates the scene with substantially linear distributions of light, and independent registe... | 03/06/2012 |
| 7968858 | System and method for scanning and measuring points of an object A method for scanning and measuring points of an object is provided. The method includes: (a) selecting a measuring start point and a measuring end point from an image of the object; (b) controlling a laser to move and scan the object from the measuring start point ... | 06/28/2011 |
| 7750329 | Optical tweezers An imaging device using an array of active pixels, with a readout control for outputting from selected regions of interest is disclosed. When used to detect the positions of optically trapped objects, the fast readout rate enables fine control of the optical traps t... | 07/06/2010 |
| 7705336 | Optical interrogation system and method for increasing a read-out speed of a spectrometer A typical use of linear or two dimensional spectrometers is to expose the detector area, and then shift the photo-electric charges out of the device in a serial fashion. If the illuminating signal is spatially narrow relative to the size of the array, this will driv... | 04/27/2010 |
| 7700933 | Optical lens system of mobile camera including optical lens and pair of image sensors An optical lens system of a mobile camera is provided. The lens optical system includes: an optical lens in which one pair of incident surfaces corresponding to the divided view angles are adjacently arranged at the center portion, optical beams incident at the divi... | 04/20/2010 |
| 7514702 | Compact scan engine A scan engine (15) includes illumination sources (48, 50) for projecting a light beam (40) upon a target object, a focusing lens (44) that receives a reflected light (34) of the target object and focuses a reflected image (35 | 04/07/2009 |
| 7432492 | Image reading apparatus capable of reading infrared and visible images An image reading apparatus includes a light source with a first luminescent portion that outputs light with a first wavelength range and a second luminescent portion that outputs light with a second wavelength range, the wavelength ranges being different from each o... | 10/07/2008 |
| 7427767 | Apparatus for identifying the condition of a conveyor belt An apparatus for identifying the condition of a conveyor belt (6) has a capturing device (12) which can be used to capture two-dimensional images (B) of successive belt sections (15) of the conveyor belt (6) during operation of the convey... | 09/23/2008 |
| 7375360 | Light device of arranging thin film inspection sensor array, and method and apparatus for arranging sensor array using the same There is disclosed a light device for arranging a thin film pattern sensor array where a sensor array used for inspecting a thin film pattern is made to be arranged without a separate correction pattern film in accordance with an inspection subject. In the li... | 05/20/2008 |
| 7365310 | Increased depth of field for high resolution imaging for a matrix-based ion source The invention provides a method of producing an in-focus image of an area on a sample plate for an ion source, e.g., a matrix-based ion source or any other type of ion source that employs a sample plate onto which samples are deposited. The method generally includes... | 04/29/2008 |
| 7359545 | Method and system to compensate for lamp intensity differences in a photolithographic inspection tool An after develop inspection tool considers tool-to-tool variability when determining confidence score for wafers under inspection. A golden wafer is used to calculate a RGB signature as well as the slope of the individual RGB curves for different lamp intensities. T... | 04/15/2008 |
| 7321108 | Dynamic focusing method and apparatus A method and apparatus for dynamically focusing an imaging mechanism on a moving target surface having a variable geometry is herein disclosed. Apparatus for focusing an imaging mechanism may include an objective, a prism, or another optical device that forms part o... | 01/22/2008 |
| 7285767 | Methods and apparatus for inspecting an object A method for inspecting an object using a structured light measurement system that includes a light source and an imaging sensor. The method includes emitting light from the light source, polarizing each of a plurality of different wavelengths of the light emitted f... | 10/23/2007 |
| 7274813 | Defect inspection method and apparatus A method of inspecting defects of a plurality of patterns that are formed on a substrate to have naturally the same shape. According to this method, in order to detect very small defects of the patterns with high sensitivity without being affected by irregular brigh... | 09/25/2007 |
| 7271892 | Method and apparatus for inspecting defects Though it is necessary to enhance sensitivity in detecting defects as design rules grow finer, the resolution of a conventional optical system is not sufficient to cope with it. In order to increase vertical resolution, an optical system is so configured to perform ... | 09/18/2007 |
| 7220978 | System and method for detecting defects in semiconductor wafers A system and method for detecting defects in semiconductor wafers in a rapid non-destructive manner. Defects in semiconductor wafers can include micropipes and screw dislocations, stress striations, planer defects, polytype inclusions, and others. When a wafer is il... | 05/22/2007 |
| 7217913 | Method and system for wavelength-dependent imaging and detection using a hybrid filter An object to be imaged or detected is illuminated by a single broadband light source or multiple light sources emitting light at different wavelengths. The light is detected by a detector, which includes a light-detecting sensor covered by a hybrid filter. The hybri... | 05/15/2007 |
| 7196300 | Dynamic focusing method and apparatus A method and apparatus for dynamically focusing an imaging mechanism on a moving target surface having a variable geometry is herein disclosed. Apparatus for focusing an imaging mechanism may include an objective, a prism, or another optical device that forms part o... | 03/27/2007 |
| 7176433 | Resolution enhancement for macro wafer inspection A method and apparatus for improving system resolution for a defect line scanner while not increasing aliasing effects, or alternatively to maintain system resolution for a defect scanner while decreasing aliasing effects. This is accomplished by decreasing effectiv... | 02/13/2007 |
| 7164145 | Measuring fiber orientation by detecting dispersion of polarized light An image-based technique that measures the orientation of fibers in a moving web of nonwoven material. At least four light spots on one side of the web are illuminated essentially simultaneously with at least four plane-polarized incident substantially perpendicular... | 01/16/2007 |
| 7119897 | Sample inspection system A curved mirrored surface is used to collect radiation scattered by a sample surface and originating from a normal illumination beam and an oblique illumination beam. The collected radiation is focused to a detector. Scattered radiation originating from the normal a... | 10/10/2006 |
| 7113629 | Pattern inspecting apparatus and method A pattern inspecting apparatus includes a substrate support table, a table driver for driving the substrate support table through actuators, a camera, an image processor, and a controller connected to a keyboard and a CRT. The image processor has a chip comparing in... | 09/26/2006 |
| 7109458 | Confocal wafer depth scanning inspection method A semiconductor wafer inspection system and method is provided which uses a multiple element arrangement, such as an offset fly lens array. The preferred embodiment uses a laser to transmit light energy toward a beam expander, which expands the light energy to creat... | 09/19/2006 |
| 7101461 | Method and apparatus for imaging a paper web A system and process for measuring paper formation characteristics in real time is disclosed. The system comprises apparatus used in a papermaking process, and includes a rotating forming fabric having an upper and lower surface. A paper slurry is deposited upon the... | 09/05/2006 |
| 7050621 | Specified pattern detecting apparatus In a specified pattern detection apparatus, a first filter detects a partial image included in a specified pattern in input image data, and a memory device stores bi-level data on the existence of the partial image based on output signals of said first filter. Then,... | 05/23/2006 |
| 7034272 | Method and apparatus for evaluating integrated circuit packages having three dimensional features The present invention provides for methods and an apparatus for evaluating objects having three dimensional features. One method involves using both two dimensional data sets to improve the processing of three dimensional data sets. The two dimensional data set can ... | 04/25/2006 |
| 7025454 | Extended depth of field optics for human vision The present invention provides extended depth of field to human eyes by modifying contact lenses, intraocular implants, and/or the surface of the eye itself. This may be accomplished by applying selected phase variations to these optical elements (e.g., by varying s... | 04/11/2006 |
| 7023540 | Method and apparatus for recognition of color brightness variations In the case of a method and a system for visually detecting paint gloss deviations, particularly a fogginess and mottling of the paint, in a surface paint coat of a vehicle by means of an illuminating system illuminating the vehicle, the outer surfaces of the two ve... | 04/04/2006 |
| 6985622 | System and method for color correcting electronically captured images by determining input media types using color correlation matrix A system and method for color correcting electronically captured input images utilizes a correlation between the input images and a set of reference images of different media types to determine the media type of the input images. In an exemplary embodiment, the corr... | 01/10/2006 |
| 6980296 | Measuring laser light transmissivity in a to-be-welded region of a work piece Methods for measuring laser light transmissivity of a specific position in a work piece prior to the work piece undergoing laser welding at the specific position with a laser beam having a specific welding wavelength. To obtain a baseline measurement reading, a lase... | 12/27/2005 |
| 6970287 | Confocal 3D inspection system and process An inspection device comprises a light source, a pellicle beamsplitter for receiving light from the light source and for redirecting the light, and an aperture array for receiving light from the pellicle beamsplitter. The aperture array is a two dimensional array of... | 11/29/2005 |
| 6963076 | System and method for optically sensing defects in OPC devices A system for optically sensing manufacturing defects in organic photo conductor (OPC) devices. The system comprising an illumination source for illuminating the OPC device; at least one optical sensor positioned to view the illuminated device; and a controller conne... | 11/08/2005 |
| 6915003 | Method and apparatus for matching positions of images Approximate position matching processing is firstly performed with respect to entire areas of two images of a single same object. Selection is then made to find local area limited regions, between which a degree of shift is high, in the two images, whose positions h... | 07/05/2005 |
| 6858858 | Non-contact measurement device for quickly and accurately obtaining dimensional measurement data A hand-held or tool integrated measurement device is provided for quickly and accurately performing non-contact measurements of dimensions and/or angles associated with various objects in a home or commercial work area. The measurement device generally includes at l... | 02/22/2005 |
| 6768104 | Method and device for processing sheets Sheets carrying imprinted materials are counted using a rotating counting disk that carries at least a receiver connected to a sensor. During counting of the sheets, a location of the imprinted materials on the sheets can also be determined. ... | 07/27/2004 |
| 6747697 | Method and apparatus for digital image defect correction and noise filtering An adaptive median filter (40) provides dynamic detection and correction of digital image defects which are caused by defective or malfunctioning elements of a radiation detector array (20). The adaptive median filter receives (100) lines of pix... | 06/08/2004 |
| 6743337 | Process and apparatus for determining the properties of a traveling material web Process and apparatus for determining properties of a traveling material web. The process includes simultaneously illuminating a plurality of measuring points on the material web with electromagnetic radiation, and imaging, through at least one optical device, the p... | 06/01/2004 |
| 6724490 | Image capturing apparatus and distance measuring method An image capturing apparatus for obtaining information regarding a depth of a subject includes: an illumination unit operable to cast a first illumination light beam that mainly contains a first wavelength and has a first intensity distribution on a plane perpendicu... | 04/20/2004 |
| 6563129 | Method and device for the contactless measurement of the deformation of a specimen to be measured The invention relates to a method for measuring the deformation of a specimen without contact with the specimen. The surface of the measured specimen is partly illuminated by a laser light having uniform intensity. A speckle image is produced due to the l... | 05/13/2003 |
| 6538252 | Method and device for determining the alignment of line formations in areal, especially longitudinally moved, webs of a structural formed body In a method for determining alignment of line formations of a web, a radiation source emitting radiation and a detector with numerous radiation sensors for sensing the radiation are provided. The radiation source and the detector are reciprocated together... | 03/25/2003 |
