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7391928 |
Image processing for correcting defects of read image
An image reading apparatus having a visible light source for emitting visible light, an invisible light source for emitting invisible light, an imaging optical system for irradiating a document by...
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7388720 |
Imaging apparatus
A lens-controlling device controls a first lens unit which moves for zooming and a second lens unit which moves for correcting the displacement of an image plane caused by zooming and for focusing....
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7365295 |
Image inspection system for correcting focal position in autofocusing
An image inspection system includes a mount stage for a subject; an observation optical system for imaging light reflected by the subject; a focal position moving mechanism for relatively moving a...
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7361874 |
Auto focusing mechanism of surveying instrument
An auto focusing mechanism is provided in a surveying instrument, such as an electronic level, that is capable of automatically focusing a telescope on a sighted staff. As a focusing lens ( 21 b )...
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7355154 |
Image sensing apparatus with movable light flux splitter and control method thereof
An image sensing apparatus has a light flux splitter disposed between a lens that focuses light flux of an object image on an image sensing surface and that image sensing surface and that branches...
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7352477 |
Two dimensional position detecting device
A two-dimensional position detecting device includes a movable member which relatively moves parallel to a stationary member; a light source and a two-dimensional position sensor which are fixed to...
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7345706 |
Auto focus system
Auto focus control is exerted based on a focus evaluation value indicating a degree of sharpness of an image obtained from a plurality of image pickup devices placed at positions of different light...
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7339147 |
System and method for automatic focusing of images
A method for automatic focusing of images, which is typically used in image measuring. Key aspects of the method involve a step of controlling a moveable part to move within a predetermined...
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7330278 |
Optical displacement measurement device
An optical displacement measurement device for introducing light from a light source to an object through an optical system having an objective lens and for detecting light reflected from the...
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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...
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7319216 |
Light receiving unit and image taking apparatus
A first prism 11 a and a second prism 12 a are joined together on a face-to-face basis. A dichroic mirror 13 a is interposed into the junction plane to reflect only G-light. A first imaging...
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7253384 |
Focusing system using light source and image sensor
An apparatus comprising a movable optical element having an optical axis and including one or more focusing elements, an image sensor positioned along the optical axis and substantially normal...
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7251087 |
Lens driving apparatus and image pick-up apparatus including the same
An image entering from the left side of the figure passes through a correcting lens unit, and forms an image on an image pickup device on the right side of the figure. The correcting lens unit...
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7248337 |
Lithographic apparatus, level sensor, method of inspection, device manufacturing method, and device manufactured thereby
A level sensor for a lithographic projection apparatus according to one embodiment of the invention includes a light source, a first reflector, a second reflector and a detector. The first...
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7230724 |
Three-dimensional measuring apparatus for scanning an object and a measurement head of a three-dimensional measuring apparatus and method of using the same
An improved three-dimensional (3D) measuring apparatus for scanning an object and a measurement head of a measuring apparatus and a method for using the measuring apparatus for scanning an object.
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7227127 |
High speed microscope with three-dimensional laser beam scanning including acousto-optic deflector for controlling the lateral position and collimation of the light beam
A system and method for independently controlling the collimation and lateral positioning of a light beam comprises at least one acousto-optic deflector and a pair of counter propagating acoustic...
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7211777 |
Confocal microscope apparatus to measure a stereoscopic shape of a sample
A confocal microscope apparatus has a confocal scanner for scanning a sample with shifting a focal position of a light beam in a direction perpendicular to an optical axis, a moving mechanism for...
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7205519 |
Confocal microscope display device for displaying a plurality of slice images
A confocal microscope apparatus has a confocal scanner for scanning a sample with shifting a focal position of a light beam in a direction perpendicular to an optical axis, a moving mechanism for...
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7205518 |
Method and arrangement for focusing in an optical measurement
A method and arrangement for focus detection in an optical measuring apparatus. The invention is applicable to focus detection for measuring biological or chemical samples or for compiling an...
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7202953 |
Scanning microscopic method having high axial resolution
The invention relates to a method for optically detecting at least one entity which is arranged on a substrate. The at least one entity is scanned with a measuring volume using at least one...
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7193731 |
Optical displacement sensor
Optical displacement sensor may possess light-emitting element(s) for projecting light onto distance measurement target(s), and light-receiving element(s) capable of receiving light reflected from...
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7193196 |
Methods and systems for evaluating optical systems
Systems and method for determining, based on a gray scale image, focus of an imaging system. A method of this invention includes the steps of: a) acquiring a gray scale image of a test target, b)...
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7183530 |
Imaging device and electronic apparatus with the same
An electronic apparatus with an imaging device has a photographing optical system that forms an object image, an image pick-up device that has a photo-receiving area and generates image-pixel...
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7181082 |
Blur detection system
A system of estimating and reducing image blur in digital images stored in a digital file as a sequence of DCT coefficients arranged in a plurality of blocks. The disclosed system may preferably...
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7161127 |
Automatic focusing apparatus and automatic focusing method using an index value based on background color information
An automatic focusing apparatus includes a photographing unit for photographing a transmitted light generated by applying a light to an observation target from a light source and an index value...
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7157677 |
Method of picking up sectional image of laser light
A knife edge is disposed at a height corresponding to a section on which a sectional image (light intensity distribution) is picked up in such a manner as to intercept a part of the section of the...
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7154074 |
Telescope main body and spotting scope
A telescope main body, which is provided with an objective optical system, a focusing system, an imaging device, a beam splitter, and a correcting system that performs a correcting operation for...
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7126098 |
Taking lens having focus determination optical system
The taking lens comprises a picture-taking optical system, which allows object light to enter an image-capturing element for picture-taking of a camera, and a focus determination optical system,...
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7122774 |
System and method of wavefront sensing
A system and method of wavefront sensing with a Shack-Hartmann wavefront sensor precisely locates focal spots on a detector array, and determines the location of the lenslet array with respect to...
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7116492 |
Imaging apparatus
A lens-controlling device controls a first lens unit which moves for zooming and a second lens unit which moves for correcting the displacement of an image plane caused by zooming and for focusing....
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7110035 |
Device and a method for an infrared image analyzing autofocus
An apparatus and a method is introduced by which infrared image analysing automatic focusing is made possible. The invention among others comprises a focus function to be used by a search operation...
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7095001 |
Image sensing apparatus and method performing blur correction using electrical coordinate conversion
An image sensing apparatus performs a plurality of times of image sensing on a subject, superpose-combines the obtained plurality of subject images into one subject image. The apparatus has an...
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7092069 |
Projection exposure method and projection exposure system
In a method for manufacturing semiconductor devices and other finely structured parts, a projection objective ( 5 ) is used in order to project the image of a pattern arranged in the object plane...
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7087877 |
Auto focus for a flow imaging system
A pair of optical gratings are used to modulate light from an object, and the modulated light from either grating is used to determine the velocity of the object. Each optical grating is offset...
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7084383 |
Image processing apparatus
An object image data obtained by image taking by an image taking device, while a distance between a stage, on which an object is placed, and the image taking device is varied, is captured by a...
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7075077 |
Method of observing a specimen using a scanning electron microscope
A method of observing a specimen using a scanning electron microscope, makes it possible to shorten the time required to perform automatic focusing at the time of semiconductor defect automatic...
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7075046 |
Objective lens reference system and method
A system and method for referencing an objective lens to a desired plane of focus. In one embodiment, a dichroic element is utilized to reflect energy of one or more wavelengths that has passed...
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7065240 |
Reticle inspection apparatus
A reticle inspection apparatus for detecting defects on a reticle 16 includes an image data generator 42 for generating image data of the reticle 16 , a definition analyzer 44 for analyzing...
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7064308 |
Method of and apparatus for adjusting the focus position of an optical pickup
It is an object of the present invention to adjust the focus position of an optical pickup. A brightness measuring apparatus having a half mirror and an objective lens focusing on the half mirror...
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7057646 |
Focus adjusting system, image capture apparatus and control method thereof
A focus adjusting system includes an optical unit movable to adjust a focus of an object image to an image capture unit for imaging an object to produce a signal representative of the object image,...
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7053350 |
Autofocus control apparatus and method
Provided is an autofocus control apparatus in an image sensing apparatus which includes: an optical system including a focus lens; a solid-state image sensing device that photoelectrically converts...
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7049571 |
Focus detection device
A focus detection device includes a plurality of line sensors, each having a plurality of pixels, the line sensor photoelectrically converting and integrating light from a photographic object...
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7041950 |
Image sensing element for sensing an image formed by an image sensing lens
This invention realizes high-precision exposure regardless of the F-number of an image sensing lens in photography. One pixel includes a first light-receiving region ( 119 c ) which includes a...
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7026606 |
Auto-focus system with 2-D or 3-D compensation
An optical scanning apparatus and method for scanning a surface of an object is provided. The scanner has an image sensor having a sensor plane and an image data output. An optics system defines an...
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7005622 |
Microscope system having a scanning device with first and second partial images
A method for generating a multicolor image of a specimen with a microscope is disclosed. The method comprises the step of determining the spacing of the focal planes of a first illuminating light...
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6987538 |
Multipoint autofocus system
In a multipoint autofocus system in which a focus state of objects at different positions in a plurality of focus detection zones in an image surface is detected, and thereafter, one of pieces of...
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6979808 |
Autofocus control apparatus and method
Provided is an autofocus control apparatus in an image sensing apparatus which includes: an optical system including a focus lens; a solid-state image sensing device that photoelectrically converts...
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6963074 |
Omni-directional optical code reader using scheimpflug optics
An optical code reader for reading optical codes in any orientation with a preferred depth of field (DOF), the optical code reader including imaging sensor arrays arranged at angles to one another...
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6960749 |
Automatic focusing mechanism for mounting on measuring device
An automatic focusing mechanism for mounting on a measuring device has a telescope for sighting a leveling rod with pattern marks marked thereon at an equal pitch between each mark, and a...
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6914237 |
Auto-alignment system with focused light beam
Characterizing the surface responsivity of a photo-detector includes focusing a light beam on the photo-detector surface and measuring a response of the photo-detector. The focused light beam is...
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