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5822 results about "Imaging lens" patented technology
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Imaging terminal having focus control
ActiveUS8692927B2Television system detailsTelevision system scanning detailsImaging lensBiological activation
There is set forth herein an imaging terminal having an image sensor array and a variable lens assembly for focusing an image onto the image sensor array. In one embodiment, an imaging terminal can include one or more focusing configuration selected from the group comprising a full set focusing configuration, a truncated set focusing configuration and a fixed focusing configuration. When a full set focusing configuration is active, a full set of candidate focus settings can be active when the imaging terminal determines a focus setting of the terminal responsively to a trigger signal activation. When a truncated set focusing configuration is active, a truncated range of candidate focus settings can be active when the imaging terminal determines a focus setting of the terminal responsively to a trigger signal activation. When a fixed focusing configuration is active, the focus setting of the imaging lens assembly can be fixed so that a predetermined lens assembly focus setting is active when a trigger signal is active.
Owner:HAND HELD PRODS
Optical imager and method for correlating a medication package with a patient
Owner:METROLOGIC INSTR
Indicia reading terminal with color frame processing
An indicia reading terminal can comprise an image sensor integrated circuit having a two-dimensional image sensor, a hand held housing encapsulating the two-dimensional image sensor, and an imaging lens configured to focus an image of a target decodable indicia onto the two-dimensional image sensor. The two-dimensional image sensor can include a plurality of pixels arranged in repetitive patterns. Each pattern can include at least one pixel sensitive in a first spectrum region, at least one pixel sensitive in a second spectrum region, and at least one pixel sensitive in a third spectrum region. The image sensor integrated circuit can be configured to capture a frame of image data by reading out a plurality of analog signals. Each read out analog signal can be representative of light incident on a group of two or more pixels of the plurality of pixels. The image sensor integrated circuit can be further configured to convert the plurality of analog signals to a plurality of digital signals and to store the plurality of digital signals in a memory. The indicia reading terminal can be operative to process the frame of image data for attempting to decode for decodable indicia.
Owner:METROLOGIC INSTR
Optical method and system for extended depth of focus
ActiveUS20060034003A1Increase depth of focusEliminate needIntraocular lensOptical partsOptical propertyImaging lens
An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a phase-affecting, non-diffractive optical element defining a spatially low frequency phase transition. The optical element and the imaging lens define a predetermined pattern formed by spaced-apart substantially optically transparent features of different optical properties. Position of at least one phase transition region of the optical element within the imaging lens plane is determined by at least a dimension of said affective aperture.
Owner:BRIEN HOLDEN VISION INST (AU)
Surface inspection system using laser line illumination with two dimensional imaging
A surface inspection apparatus and a method are provided which include an illumination system configured to focus a beam of radiation at a non-orthogonal incidence angle to form an illumination line on a surface substantially in a plane of incidence of the focused beam. The apparatus and method further include a collection system configured to image the illumination line onto an array of detectors oriented parallel to the illumination line. The collection system includes an imaging lens for collecting light scattered from the illumination line, a focusing lens for focusing the collected light, and the array of detectors, each configured to detect a corresponding portion of the illumination line. The collection system may be configured to image the illumination line such that the width of the imaged illumination line on the array of detectors is larger than the pixel size of the detectors along the same direction.
Owner:KLA TENCOR TECH CORP
Thin color camera
ActiveUS20050225654A1High resolutionTelevision system detailsTelevision system scanning detailsColor imageImage resolution
A color camera includes at least three sub-cameras, each sub-camera having an imaging lens, a color filter, and an array of detectors, The color camera combines images from the three sub-cameras to form a composite multi-color image, wherein the three sub-cameras include a total number of detectors N and a total number of different color sets X, wherein a first number of signals of a first color set is less than N / X and a second number of signals of a second color set is greater than N / X, signals of the second color set being output from at least two of the three sub-cameras, wherein resolution of a composite image of the second color set is greater than resolution of an individual sub-camera and a resolution of the composite image. Corresponding images of the same color set may be shifted, either sequentially or simultaneously, relative to one another.
Owner:DIGITALOPTICS CORPORATION
Optical method and system for extended depth of focus
ActiveUS7061693B2Increase depth of focusEliminate needIntraocular lensOptical partsOptical propertyImaging lens
An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a phase-affecting, non-diffractive optical element defining a spatially low frequency phase transition. The optical element and the imaging lens define a predetermined pattern formed by spaced-apart substantially optically transparent features of different optical properties. Position of at least one phase transition region of the optical element within the imaging lens plane is determined by at least a dimension of said affective aperture.
Owner:BRIEN HOLDEN VISION INST (AU)
Imaging lens assembly
The present invention provides an imaging lens assembly including, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power; a third lens element with negative refractive power; a fourth lens element with positive refractive power having a convex object-side surface; a fifth lens element having a concave image-side surface, at least one inflection point being provided on the fifth lens element; and an aperture stop disposed between an imaged object and the third lens element. Such an arrangement of optical elements can effectively improve the image quality of the system and enable the imaging lens assembly to maintain a compact form. When the aperture stop is disposed near the object side, the telecentric feature is emphasized, resulting in a shorter total track length. When the aperture stop is disposed near the third lens element, the emphasis is on the wide field of view, and such an aperture stop placement helps to effectively reduce the sensitivity of the imaging lens assembly.
Owner:LARGAN PRECISION
Substrate-guided imaging lens
ActiveUS20090052047A1Simple designFabrication facilitatedPolarising elementsCathode-ray tube indicatorsTotal internal reflectionImaging lens
There is provided an optical system, including a substrate having a major surface and edges, an optical element for coupling light into the substrate by total internal reflection, a reflecting surface carried by the substrate, a retardation plate and a reflecting optical element. The retardation plate is located between a portion of the major surface of the substrate and the reflecting optical element.
Owner:LUMUS LTD
Imaging system and method for providing extended depth of focus, range extraction and super resolved imaging
InactiveUS7646549B2Improving geometrical resolutionIncrease depth of focusSemiconductor/solid-state device manufacturingDiffraction gratingsImaging lensField of view
An imaging system is presented for imaging objects within a field of view of the system. The imaging system comprises an imaging lens arrangement, a light detector unit at a certain distance from the imaging lens arrangement, and a control unit connectable to the output of the detection unit. The imaging lens arrangement comprises an imaging lens and an optical element located in the vicinity of the lens aperture, said optical element introducing aperture coding by an array of regions differently affecting a phase of light incident thereon which are randomly distributed within the lens aperture, thereby generating an axially-dependent randomized phase distribution in the Optical Transfer Function (OTF) of the imaging system resulting in an extended depth of focus of the imaging system. The control unit is configured to decode the sampled output of the detection unit by using the random aperture coding to thereby extract 3D information of the objects in the field of view of the light detector unit.
Owner:BRIEN HOLDEN VISION INST (AU)
Indicia reading terminal having multiple setting imaging lens
ActiveUS7918398B2Visual representatino by photographic printingExposure controlSensor arrayCamera lens
An indicia reading terminal can include a multiple setting imaging lens assembly and an image sensor having an image sensor array. In one embodiment, an indicia reading terminal in an active reading state can cycle through a set of different lens settings, expose pixels of an image sensor array during an exposure period when each new lens setting is achieved, and attempt to decode decodable indicia represented in frames of image data captured corresponding to each exposure period. In one embodiment, movement of an imaging lens assembly lens element can be provided with use of a hollow stepper motor.
Owner:HAND HELD PRODS
Fabrication process for mastering imaging lens arrays
Owner:FOTONATION CAYMAN LTD
Imaging lens system
The present invention provides an imaging lens system comprising, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power; a third lens element with positive refractive power, at least one of the object-side and image-side surfaces thereof being aspheric; a fourth lens element, the image-side surface thereof being aspheric and provided with at least one inflection point; a fifth lens element having a concave object-side surface, at least one of the object-side and image-side surfaces thereof being aspheric; and an aperture stop disposed between an imaged object and the second lens element. Such an arrangement of optical elements can effectively reduce the total track length and sensitivity of the optical system, and image quality can also be improved.
Owner:LARGAN PRECISION
Fabrication process for mastering imaging lens arrays
A process and method for fabricating a master lens array for use in the manufacture of duplicate lens arrays is provided. The fabrication methods provided herein are capable of maximizing the quality of the master lens array in an efficient and cost effective manner, thereby reducing the propagation of errors in the lenses formed using the master lens array.
Owner:FOTONATION LTD
Fabrication process for mastering imaging lens arrays
A process and method for fabricating a master lens array for use in the manufacture of duplicate lens arrays is provided. The fabrication methods provided herein are capable of maximizing the quality of the master lens array in an efficient and cost effective manner, thereby reducing the propagation of errors in the lenses formed using the master lens array.
Owner:FOTONATION LTD
Imaging lens and imaging apparatus
Owner:JIANGXI OFILM OPTICAL CO LTD
Imaging lens
Disclosed herein is an imaging lens including: a first lens having positive (+) power; a second lens having positive (+) power; a third lens having positive (+) or negative (−) power; a fourth lens having positive (+) or negative (−) power; a fifth lens having positive (+) or negative (−) power; and a sixth lens having negative (−) power.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD
Optical method and system for extended depth of focus
ActiveUS7365917B2Increase depth of focusEliminate needSpectales/gogglesIntraocular lensOptical propertyImaging lens
An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a phase-affecting, non-diffractive optical element defining a spatially low frequency phase transition. The optical element and the imaging lens define a predetermined pattern formed by spaced-apart substantially optically transparent features of different optical properties. Position of at least one phase transition region of the optical element within the imaging lens plane is determined by at least a dimension of said affective aperture.
Owner:BRIEN HOLDEN VISION INST (AU)
Wide-viewing-angle imaging lens assembly
ActiveUS20110316969A1Expand field of viewReduce sensitivityTelevision system detailsColor television detailsImaging lensField of view
The present invention provides a wide-viewing-angle imaging lens assembly comprising, in order from an object side to an image side: a front lens group, a stop, and a rear lens group. The front lens group comprises, in order from the object side to the image side: a first lens element with negative refractive power having a concave image-side surface and a second lens element. The rear lens group comprises, in order from the object side to the image side: a third lens element with positive refractive power having a concave object-side surface and a convex image-side surface, a fourth lens element with positive refractive power having a convex object-side surface and a convex image-side surface, and a fifth lens element with negative refractive power having a concave object-side surface. Such an arrangement of optical elements can effectively enlarge the field of view of the wide-viewing-angle imaging lens assembly, reduce the sensitivity of the optical system, and obtain good image quality.
Owner:LARGAN PRECISION
Image generation device
In a device for generating one viewpoint conversion image based on a plurality of image data, a first unit including two cameras with different viewpoints, for acquiring one of the image data, and a second unit, including two cameras with different viewpoints, which is arranged in line with the first unit so that the first and second units are in a positional relationship where the optical axis direction of a imaging lens of at least one of the two cameras included in the second unit is parallel to the optical axis direction of a imaging lens of one of the cameras included in the first unit, for acquiring the other one of the image data are provided. The units are arranged so that the imaging lenses of the two cameras included in the first and the second units have optical axes which are not parallel to each other.
Owner:OLYMPUS CORP
Multiscale Optical System
ActiveUS20100171866A1Low costImproved optical imagingTelevision system detailsColor television detailsSpatial correlationCamera lens
A means of enabling an imaging lens system that overcomes some of the costs and disadvantages of the prior art is disclosed. A lens system in accordance with the present invention reduces or eliminates one or more aberrations of an optical input by separating image collection functionality from image processing functionality. As a result, each function can be performed without compromising the other function. An embodiment of the present invention comprises a collection optic that provides a first optical field, based on light from a scene, to a processing optic that comprises a plurality of lenslets. The processing optic tiles the first optical field into a plurality of second optical fields. Each lenslet receives a different one of the plurality of second optical fields, reduces at least one localized aberration in its received second optical field, and provides the corrected optical field to a different one of plurality of photodetectors whose collective output is used to form a spatially correlated sub-image of that corrected optical field. The sub-images are readily combined into a spatially correlated image of the scene.
Owner:APPLIED QUANTUM TECH +1
Imaging lens
ActiveUS20150070783A1Good optical performanceVarious aberrationImage enhancementStatic indicating devicesWide fieldAspheric lens
An imaging lens which uses a larger number of constituent lenses for higher performance and features compactness and a wide field of view. The imaging lens is composed of seven lenses to form an image of an object on a solid-state image sensor. The constituent lenses are arranged in the following order from an object side to an image side: a first lens with positive refractive power; a second lens with positive or negative refractive power; a third lens with negative refractive power; a fourth lens with positive or negative refractive power as a double-sided aspheric lens; a meniscus fifth lens having a convex surface on the image side; a sixth lens with positive or negative refractive power as a double-sided aspheric lens; and a seventh lens with negative refractive power, in which an air gap is provided between lenses.
Owner:TOKYO VISIONARY OPTICS CO LTD
Imaging lens assembly
This invention provides an imaging lens assembly including five lens elements with refractive power, in order from an object side toward an image side: a first lens with positive refractive power having a convex object-side surface, a second lens with negative refractive power, a third lens having a concave object-side surface, a fourth lens with positive refractive power having an object-side surface and a convex image-side surface, and at least one of both surfaces thereof being aspheric, a fifth lens with negative refractive power having a concave image-side surface with at least one inflection point formed thereon. An aperture stop is positioned between an imaged object and the second lens. The imaging lens assembly further comprises an electronic sensor on which an object is imaged. With such arrangement, the size and the optical sensitivity of the lens assembly can be reduced. A high image resolution is also obtained.
Owner:LARGAN PRECISION
Substrate-guided imaging lens
ActiveUS8000020B2Design and fabrication is facilitatedImprove performancePolarising elementsCathode-ray tube indicatorsCamera lensTotal internal reflection
There is provided an optical system, including a substrate having a major surface and edges, an optical element for coupling light into the substrate by total internal reflection, a reflecting surface carried by the substrate, a retardation plate and a reflecting optical element. The retardation plate is located between a portion of the major surface of the substrate and the reflecting optical element.
Owner:LUMUS LTD
Imaging lens and image pickup apparatus
ActiveUS7746572B2Corrected spherical aberrationAberration correctionOptical elementsOptical axisConditional expression
An imaging lens comprises, in order from an object side: a first lens that has a negative refractive power and is convex toward the object side; a second lens that has a positive refractive power and is a meniscus lens convex toward the object side; a stop; a third lens that has a positive refractive power and is convex toward an image side; and a cemented lens that has a positive refractive power as a whole and is formed by cementing a fourth lens and a fifth lens, wherein assuming that an Abbe number of the second lens with respect to d-line is ν2, a distance on an optical axis from a vertex of a surface of the first lens facing toward the object side to an image plane of the imaging lens is L, a focal length of the imaging lens is f, and a back focus of the imaging lens is Bf, the following conditional expressions (1) to (3) are satisfied:ν2>30 (1),2.5<L / f<4.0 (2), and0.5<Bf / f<1.3 (3).
Owner:TIANJIN OFILM OPTO ELECTRONICS CO LTD
Optical imaging lens system
This invention provides an optical imaging lens system including five lens elements with refractive power, in order from an object side toward an image side: a first lens element with positive refractive power having a convex object-side surface, a second lens element with negative refractive power, a third lens element having a convex object-side surface and a concave image-side surface, a fourth lens element having both surfaces being aspheric, a fifth lens element having a concave image-side surface with at least one inflection point formed thereon. By such arrangement, the total track length and the sensitivity of the optical imaging lens system can be reduced while achieving high image resolution.
Owner:LARGAN PRECISION
Image capture and integrated display apparatus
InactiveUS20080165267A1Television system detailsColor television detailsImaging lensElectronic component
An integrated imaging apparatus is disclosed for displaying images of a scene, including an electronic display having a display pixel that is used to display image content, the display pixel having a substrate, one-or-more electronic component(s) formed over a distinct portion of the substrate, a first electrode connected to the electronic component(s) having a first transparent portion formed over the substrate but not over the electronic component(s) and a second reflective portion formed over the electronic component(s), a light-emitting layer(s) formed over the first electrode, and a second transparent electrode formed over the light-emitting layers; and at least one image capture device which captures an image, wherein the image capture device has at least an imaging lens and an image sensor array; and wherein the image capture device receives light through the transparent portion of the first electrode, and wherein the display pixel also provides light to display image content.
Owner:MONUMENT PEAK VENTURES LLC
Imaging and analyzing parameters of small moving objects such as cells
InactiveUS20020071121A1High sensitivitySimplify Optical DesignOptical radiation measurementMicrobiological testing/measurementImaging lensLight filter
Light from an object such as a cell moving through an imaging system is collected and dispersed so that it is imaged onto a plurality of separate detectors. The light is spectrally dispersed by a plurality of spaced-apart dichroic reflectors, each detector receiving light from a different one of the dichroic reflectors. Each dichroic filter reflects light of a different predefined color, passing light of other colors. The output signal from each detector is indicative of a different characteristic of the object. In one configuration, each detector is provided with a separate imaging lens. In another configuration, the detectors are spaced at varying distances from the corresponding dichroic reflectors, so that separate imaging lenses are not required.
Owner:CYTEK BIOSCI
Optical method and system for extended depth of focus
ActiveUS20070236769A1Increase depth of focusEliminate needSpectales/gogglesIntraocular lensOptical propertyImaging lens
An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a phase-affecting, non-diffractive optical element defining a spatially low frequency phase transition. The optical element and the imaging lens define a predetermined pattern formed by spaced-apart substantially optically transparent features of different optical properties. Position of at least one phase transition region of the optical element within the imaging lens plane is determined by at least a dimension of said affective aperture.
Owner:BRIEN HOLDEN VISION INST (AU)
Imaging lens
ActiveUS20140139719A1Easy to controlIncrease brightnessTelevision system detailsColor television detailsShape changeOptical axis
An imaging lens in which a positive (refractive power) first lens group, positive second lens group, and negative third lens group are arranged in order from the object side to the image side. The first lens group includes a positive first lens having a convex object-side surface and a negative second lens having a concave image-side surface near the optical axis. The second lens group includes third and fourth lenses each having at least one aspheric surface. The third lens group includes a negative fifth lens having a concave object-side surface near the axis, a positive sixth lens having a convex image-side surface near the axis, and a negative seventh lens having a concave image-side surface near the axis. The lenses are not joined to each other and the seventh lens has an aspheric image-side surface whose shape changes from concave to convex as the distance from the axis increases.
Owner:TOKYO VISIONARY OPTICS CO LTD
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