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This page is updated frequently with new Pupil-related patent applications. Subscribe to the Pupil RSS feed to automatically get the update: related Pupil RSS feeds. RSS updates for this page: Pupil RSS RSS


Image pickup apparatus, method of controlling image pickup apparatus, and non-transitory computer-readable storage…

Canon

Image pickup apparatus, method of controlling image pickup apparatus, and non-transitory computer-readable storage…

Method of glassless 3d display

Method of glassless 3d display

Method of glassless 3d display

k−j

Projection objective for a microlithographic projection exposure apparatus

Date/App# patent app List of recent Pupil-related patents
02/26/15
20150055110
 Illumination optical unit for projection lithography patent thumbnailnew patent Illumination optical unit for projection lithography
An illumination optical unit for projection lithography illuminates an object field with illumination light. The illumination optical unit has a collector for collecting the emission of a light source for the illumination light.
Carl Zeiss Smt Gmbh
02/26/15
20150055109
 Projection objective for a microlithographic projection exposure apparatus patent thumbnailnew patent Projection objective for a microlithographic projection exposure apparatus
A projection objective of a microlithographic projection exposure apparatus contains a plurality of optical elements arranged in n>−2 successive sections a1 to an of the projection objective which are separated from one another by pupil planes or intermediate image planes. According to the invention, in order to correct a wavefront deformation, at least two optical elements each have an optically active surface locally reprocessed aspherically.
k−j
02/26/15
20150055010
 Image pickup apparatus,  controlling image pickup apparatus, and non-transitory computer-readable storage medium patent thumbnailnew patent Image pickup apparatus, controlling image pickup apparatus, and non-transitory computer-readable storage medium
An image pickup apparatus includes an imaging optical system, an image pickup element including a plurality of pixels, a lens array configured such that rays from the same position on an object plane are incident on pixels of the image pickup element different from each other depending on a pupil region of the imaging optical system through which the ray passes, an image processing unit configured to perform image processing for the input image acquired by the image pickup element to generate the output images, and a control unit configured to drive the imaging optical system to perform focus control, the image processing unit is configured to acquire information on a refocus control range, and the control unit is configured to perform the focus control based on the information on the refocus control range.. .
Canon Kabushiki Kaisha
02/26/15
20150054927
 Method of glassless 3d display patent thumbnailnew patent Method of glassless 3d display
Present invention relates to apparatus and methods for glassless 3d display with “unlimited” number of tv viewers and with flexibility for eye positions, the fundament elements of this invention are the introduction of “eye space” and the circuit unit for shutter pupil control on shutter screen. The methods are applied to any 3d display, such as tv's, monitors, smart devices (iphone, ipad, .
02/19/15
20150050907
 Collecting external accessory data at a mobile data collection platform that obtains raw observables from an internal chipset patent thumbnailCollecting external accessory data at a mobile data collection platform that obtains raw observables from an internal chipset
External accessory data is collected at a mobile data collection platform (mdcp) provided by an external accessory of the mdcp. An image that includes a point of interest is captured using an image capturing device integral to the mdcp.
Trimble Navigation Limited
02/19/15
20150049319
 Microlithography projection optical system, tool and  production patent thumbnailMicrolithography projection optical system, tool and production
A microlithography projection optical system is disclosed. The system can include a plurality of optical elements arranged to image radiation having a wavelength λ from an object field in an object plane to an image field in an image plane.
Carl Zeiss Smt Gmbh
02/19/15
20150049004
 Eye mounted displays and systems using eye mounted displays patent thumbnailEye mounted displays and systems using eye mounted displays
A display device is mounted on and/or inside the eye. The eye mounted display contains multiple sub-displays, each of which projects light to different retinal positions within a portion of the retina corresponding to the sub-display.
02/12/15
20150045059
 Performing data collection based on external raw observables using a mobile data collection platform patent thumbnailPerforming data collection based on external raw observables using a mobile data collection platform
An image that includes a point of interest is captured using an image capturing device that is an integral part of the mobile data collection platform. Raw observables are obtained from a gnss raw observables provider that is external to and coupled with the mobile data collection platform.
Trimble Navigation Limited
02/12/15
20150045058
 Performing data collection based on internal raw observables using a mobile data collection platform patent thumbnailPerforming data collection based on internal raw observables using a mobile data collection platform
An image that includes a point of interest is captured using an image capturing device that is part of the mobile data collection platform. Raw observables are obtained from a gnss chipset that is internal to the mobile data collection platform.
Trimble Navigation Limited
02/12/15
20150043012
 External electronic distance measurement accessory for a mobile data collection platform patent thumbnailExternal electronic distance measurement accessory for a mobile data collection platform
A known fixed relationship is maintained between an external electronic distance measurement accessory and a mobile data collection platform that are physically coupled together. A light beam axis of the external electronic distance measurement accessory is parallel with an optical axis of an entrance pupil of the mobile data collection platform.
Trimble Navigation Limited
02/12/15
20150042974

Illumination optical unit and optical system for euv projection lithography


An illumination optical unit for euv projection lithography serves for obliquely illuminating an illumination field, in which an object field of a downstream imaging catoptric optical unit and a reflective object to be imaged can be arranged. A pupil generating device of the illumination optical unit is embodied so that an illumination pupil results, which brings about a dependency of an imaging telecentricity against a structure variable of the object to be imaged.
Carl Zeiss Smt Gmbh
02/12/15
20150042957

Objective phoropter system


Systems for performing combined phoropter and refractive measurements to ascertain the aberrations present in the eye of a subject. The systems use a pair of phoropter wheel assemblies, one for each eye, each assembly comprising a number of lens wheels incorporating the series of lenses and wedges required to compensate for a range of refractive vision aberrations.
Visionix Ltd.
02/12/15
20150042869

Image capturing apparatus and control method therefor


An image capturing apparatus includes an image sensor 104 in which at least part of pixels arranged in two dimensions are configured as focus detection pixels with divided-pupil, a memory control circuit 113 configured to read out from a memory position information for the focus detection pixels 401, 402 stored in the memory, and a correction circuit 110 configured to identify positions of the focus detection pixels 401, 402 in the image sensor 104 based on the position information for the focus detection pixels 401, 402 and to correct a defective focus detection pixel signal using defect-free focus detection pixel signals.. .
Canon Kabushiki Kaisha
02/05/15
20150036142

Metrology systems and methods


Various metrology systems and methods are provided. One metrology system includes a light source configured to produce a diffraction-limited light beam, an apodizer configured to shape the light beam in the entrance pupil of illumination optics, and optical elements configured to direct the diffraction-limited light beam from the apodizer to an illumination spot on a grating target on a wafer and to collect scattered light from the grating target.
Kla-tencor Corporation
02/05/15
20150035745

Head-mount eye tracking system


A head-mount eye tracking system including a first light source, a first pupil image capturing device, a first and a second environmental image capturing devices, a fixing device and an image identification system. The first light source is applied to illuminate a first eye of a user.
National Chiao Tung University
01/29/15
20150031705

Ophthalmic formulations including selective alpha 1 antagonists


Ophthalmic formulations are provided. The ophthalmic formulations include one or more active agents that act to optimize pupil light reflex while minimizing, or effectively eliminating, any undesired eye redness in response to application thereof.
Ocularis Pharma, Llc
01/29/15
20150029475

Coherent light source device and projector


There are provided a coherent light source apparatus and a projector that achieve avoiding of an issue that uniformity in projected light is degraded by a speckle that inevitably appears upon projection of coherent light of a semiconductor laser, any other laser, etc., and each including: a coherent light source; a first optical system configured to project light derived from a first light emission region to form a second light emission region, the first light emission region being formed on basis of the coherent light source; a light deflection section configured to deflect a bundle of rays in vicinity of the second light emission region, the bundle of rays being related to formation of the second light emission region; a second optical system provided downstream of the light deflection section; and a light mixing section provided downstream of the second optical system, and configured to mix components of angles and positions of rays incident on an incident end. The second optical system is configured to form, in distance, an image conjugate to the first light emission region, and form, at the incident end, a third light emission region substantially conjugate to an exit pupil of the first optical system.
Ushio Denki Kabushiki Kaisha
01/29/15
20150029317

Device for displaying multi-view 3d image using dynamic viewing zone expansion applicable to multiple observers and same


The present invention relates to a device for displaying a multi-view 3d image by using viewing zone expansion that is applicable to multiple observers, and to a method for same, comprising: an image display panel for displaying a 3d image; a control portion for controlling an image view of each 3d pixel line; and a system for tracking the position of the pupils of both eyes of the observer, wherein each of the 3d pixel lines provide at a multi-view of at least four views, and the control portion selects first and second views that are close to the center of each of the pupils of both eyes of the observer for each viewing zone of the view formed by each of the 3d pixel lines and provides one image view from both eyes of the observer to the first view, by using three dimensional coordinates of the position of the pupils of both eyes of the observer that are determined by the system for tracking the position of the pupils of both eyes of the observer.. .
Korea Institute Of Science And Technology
01/22/15
20150022822

Illumination configurations for scatterometry measurements


Scatterometry measurement systems, illumination configurations and respective methods are provided, which comprise illumination beams that have vertical projections on a target plane comprising both a parallel component and a perpendicular component, with respect to a target measurement direction. The illumination beams propagate at an angle to the plane defined by the measurement direction and a normal to the targets surface and generate diffraction images which are off-center at the imaging pupil plane.
Kla-tencor Corporation
01/15/15
20150015944

Binocular having a folding bridge


A binocular has a folding bridge for adapting the distance between the eyepieces to the interpupillary distance of the eyes of the user. A synchronous focusing of the two telescopes is brought about via a differential gear assembly which drives respective spindle drives for corresponding ones of the two telescopes.
Carl Zeiss Sports Optics Gmbh
01/15/15
20150015875

Measuring device for measuring an illumination property


A measuring device (40) for measuring an illumination property of an illumination system (12), which is configured for two-dimensional irradiation of a substrate (24) arranged in an illumination plane (21) with illumination radiation (20). Two differing measurement beam paths (52, 54) are formed in the measuring device, each arranged to guide the illumination radiation emitted by the illumination system onto a spatially resolving intensity detector (42) of the measuring device.
Carl Zeiss Smt Gmbh
01/15/15
20150015874

Wafer and reticle inspection selecting illumination pupil configurations


In an optical inspection tool, an illumination aperture is opened at each of a plurality of aperture positions of an illumination pupil area one at a time across the illumination pupil area. For each aperture opening position, an incident beam is directed towards the illumination pupil area so as to selectively pass a corresponding ray bundle of the illumination beam at a corresponding set of one or more incident angles towards the sample and an output beam, which is emitted from the sample in response to the corresponding ray bundle of the incident beam impinging on the sample at the corresponding set of one or more incident angles, is detected.
Kla-tencor Corporation
01/15/15
20150015846

Directional optical coherence tomography systems and methods


An optical coherence tomography system that includes an optical device having an adjustable optical element configured to displace a pupil entry point of light is provided. Optical coherence tomography methods using the optical coherence tomography system are also provided.
The Medical College Of Wisconsin, Inc.
01/15/15
20150015681

Autostereoscopic 3d image display device for flattening viewing zone and minimizing dynamic crosstalk


The present invention relates to a 3d image display device and includes an image display panel for displaying a 3d image, a control unit for controlling a viewpoint image, and a viewer position tracking system for determining the position of a viewer's pupil and transmitting positional information to the control unit, wherein the image display panel provides multiple viewpoints such as four or more viewpoints, and the intersection of the viewing zone for any one of the multiple viewpoints with the field of view of an adjacent viewpoint is at least 85% of the maximum brightness of one viewpoint.. .
Korea Institute Of Science And Technology
01/15/15
20150015677

Image processing device and method, and imaging device


An image processing method according to the present invention acquires a first image and second image that are picked up through a single image-taking optical system, that are images after a pupil division, and that have a parallax to each other, and then performs a filtering process for each pixel of the first and second images, using first and second transform filters that correspond to the parallax for the pixel and that are of first and second transform filter groups to be respectively applied to the first and second images for the transform into third and fourth images in which the parallax amount and blur amount of the first and second images have been altered.. .
Fujifilm Corporation
01/15/15
20150015672

Image processing device, imaging device, image processing method, and recording medium


An image processing method according to the present invention cuts out partial images corresponding to trimming regions, which is specified for multiple viewpoint images of a stereoscopic image obtained by pupil-division-scheme imaging, from the respective viewpoint images, generates a stereoscopic partial image including multiple partial images, generates parallax information that indicates the parallax between the partial images, adjusts the parallax between the partial images based on the parallax information, and then, for the partial images after the parallax adjustment, enhances the sharpness as the adjusted parallax amount decreases and reduces the sharpness as the adjusted parallax amount increases.. .
Fujifilm Corporation
01/08/15
20150012742

Active biometric authentication with zero privacy leakage


The invention provides a method for frequent verifications of the identity of a user performed during a long session of client-server communication by secure exchange of keys between the client and the server. A user is represented at the server by a set of random numbers that have nothing to do with his biometric data.
01/08/15
20150011984

Corneal visual center localizer (or locator)


Daifs corneal visual center (cvc) localizer (locator) is a point light source of infra red (ir) light, attached and fixed to any eximer laser machine, located at equal distance and in exactly opposite direction from the middle of a detecting camera that detects ir light reflection from the corneal surface and the pupillary margin of the iris with a point fixation target or its virtual extension, perpendicular to the plan containing the localizer and the middle point the inlet of the detecting camera, exactly in the middle of the distance between the localizing point light source and the middle point the detecting camera. With the localizer in position and activated, the cvc will be seen on the screen of ir eye tracking as a white dot somewhere inside the white circle that represents the detected pupillary margin.
01/08/15
20150011968

Detecting depth of anesthesia via pupil metrics


A video feed of one or more pupils of a patient can be received and processed to determine a raw measure of pupil size of the one or more pupils over time. Based on this raw measure, at least one of a) a depth of anesthesia for the patient, b) an index of cognitive activity for the patient, and c) a degree of perfusion of an anesthetic being administered to the patient to one or both hemispheres of a brain of the patient can be determined such that one or more actions can be caused to be performed.
Eye Tracking Inc.
01/08/15
20150009573

Projection type display device for vehicles


A projection type display device configured to display an image on a window while also providing a view through the window. The projection type display device has a plurality of reflection portions arranged on a windshield for reflecting an image light that is projected from an image projection device and displaying a superposed display image onto the windshield.
Denso Corporation
01/08/15
20150009558

4pi sted fluorescence light microscope with high three-dimensional spatial resolution


An apparatus forming an area of minimum light intensity enclosed by high light intensity includes two objectives focusing light of opposite directions into a common focal area. Light intensities of a first pair of light beams extinguish each other in a first partial area of the focal area.
Deutsches Krebsforschungszentrum
01/08/15
20150009369

Imaging device and imaging method


In an imaging method according to the present invention, in an imaging device including a taking lens having a plurality of regions each with an independent characteristic and an image pickup element having a plurality of light-receiving sensors provided so as to correspond to the plurality or regions, the plurality of light-receiving sensors performing pupil division of a light beam passing through any of the plurality of regions for selective light-receiving, from an imaging signal from a light-receiving sensor corresponding to one region of the plurality of regions, an image corresponding to the one region is generated. When the generated image is corrected, an influence of a light beam passing through a region other than the one region is removed from the image generated so as to correspond to the one region..
Fujifilm Corporation
01/08/15
20150009367

Image element, and imaging device and imaging method using the same


An imaging element which outputs a pair of image signals corresponding to a pair of luminous fluxes which pass through different pupil areas of a photographing optical system, the imaging element includes a first pixel cell group including a plurality of first pixel cells for obtaining the pair of image signals and a second pixel cell group including a plurality of second pixel cells for obtaining the pair of image signals. The first pixel cell includes a first photoelectric converting unit and a first micro lens which is provided above the first photoelectric converting unit.
Fujifilm Corporation
01/08/15
20150009351

Image acquisition apparatus


A stable combined image is generated from a plurality of image signals having parallax and obtained at different focal positions. An image acquisition apparatus includes an image-acquisition optical system that collects light from a subject; an image acquisition element that acquires an image of the light collected by the image-acquisition optical system; a micro-lens array having an array of multiple micro-lenses arranged such that each micro-lens covers multiple pixels of the image acquisition element; and a focal-length changing section that is disposed at a pupil position of the image-acquisition optical system and that spatially changes a focal length so as to focus light passing therethrough at a plurality of different focal positions..
Olympus Corporation
01/08/15
20150009314

Electronic device and eye region detection method in electronic device


A method and an electronic device are provided in association with iris recognition. The electronic device includes a camera module that obtains a near-infrared ray (nir) image, and a controller that converts the nir image into an integral image, detects at least one candidate eye region from the integral image using at least one mask, detects a pupil region and an eyebrow region from the at least one candidate eye region, and to detect an eye region based on the pupil region..
Lndustry-academic Cooperation Foundation Yonsei University
01/08/15
20150009299

Image processing device, imaging device, and image processing method


The present invention includes an image acquisition device configured to acquiring multiple viewpoint images that are generated by pupil-division imaging and that are different in viewpoint, a parallax calculation device 40a for calculating a first parallax amount between viewpoint images for the multiple viewpoint images, a memory 48 in which parallax correction information indicating the relationship between the first parallax amount and the deviation amount in the parallax direction for the corresponding object images, which is a deviation amount between viewpoint images for the multiple viewpoint images and is caused by the pupil-division imaging, is stored, and a parallax correction device 40b for calculating a second parallax amount, which is an amount resulting from correcting the first parallax amount to the deviation amount in the parallax direction for the object images, based on the first parallax amount and the parallax correction information stored in the memory 48.. .
Fujifilm Corporation
01/01/15
20150005604

Devices and methods for a contact lens with an inward facing light source


An eye-mountable device can include a transparent material and a substrate at least partially embedded in the transparent material. The transparent material can have a concave surface and a convex surface, with the concave surface configured to removably mount the eye-mountable device on a corneal surface overlaying a pupil.
Google Inc.
01/01/15
20150002838

Focus detection apparatus, control method thereof, and storage medium storing program


Light quantity information of an imaging optical system is acquired according to a focus detection position in an imaging screen. Conversion is performed from the light quantity information and a first aperture value of the imaging optical system, so that the first aperture value is converted into a second aperture value according to the focus detection position.
Canon Kabushiki Kaisha
01/01/15
20150002817

Examination instrument


Light from an exit pupil of an illumination unit is directed to a beam splitter which directs the light to an objective. The retina is illuminated, if a real image of the exit pupil of the illumination unit and a real image of an entrance pupil of a camera unit are formable in a position ranging from the cornea to the backside of the crystalline lens with the light.
Optomed Oy
01/01/15
20150002764

Wide angle viewing device


A device for wide angle viewing, comprising of goggles made of opaque material which has been installed with at least one vector light source (vls). The vector light source is a light source which emits a narrow light beam only in one pointing direction.
01/01/15
20150001408

Illumination optical unit for a metrology system and metrology system comprising such an illumination optical unit


An illumination optical unit serves for illuminating objects to be examined by a metrology system. The illumination optical unit has an optical pupil shaping assembly for generating a defined distribution of illumination angles of illumination light over an object field in which an object to be examined can be arranged.
Carl-zeiss Ag
12/25/14
20140378773

Intraocular expansion and retention devices and methods


An intraocular expansion and retention device (“ierd”) expands the iris, enlarging the pupil during intraocular surgery, and can be removed following the procedure without damaging the eye tissue. The intraocular expansion and retention device includes a number of stepped blades that form pockets to cup the iris margins and expand the pupil allowing increased visualization during intraocular surgery..
12/25/14
20140376078

Scanning optical microscope


A scanning optical microscope includes a light source, a light converging optical system, a stage, a scanning unit which displaces an illumination light and the stage relatively, a detecting optical system, and a photodetector. A light modulation element and a relay optical system are disposed on the light converging optical system side of the light source, and a modulated signal having only amplitude changed is input to the light modulation element, and the light modulation element is positioned such that the illumination light emerged from the light modulation element with respect to the modulated signal of a predetermined amplitude coincides with an optical axis of the light converging optical system, and a position of a pupil of the light converging optical system and a position of the light modulation element are conjugate through at least the relay optical system..
Olympus Corporation
12/25/14
20140375797

Optical system intended to measure brdf, bsdf and btdf


The aplanatic lens (2), the converging field lens (3), the image pickup lens (4) and the video sensor (5) being arranged so as to allow a conjugation c1 between the surface (10) and the entrance pupil of the image pickup lens (4) and a conjugation c2 between an intensity pattern and the video sensor (5).. .
12/25/14
20140375790

Eye-tracking system for head-mounted display


Embodiments are disclosed for a see-through head-mounted display system. In one embodiment, the see-through head-mounted display system comprises a freeform prism, and a display device configured to emit display light through the freeform prism to an eye of a user.
12/25/14
20140375789

Eye-tracking system for head-mounted display


Embodiments are disclosed for a see-through head-mounted display system. In one embodiment, the see-through head-mounted display system comprises a freeform prism, and a display device configured to emit display light through the freeform prism to an eye of a user.
12/18/14
20140371731

Electronic ophthalmoscope for selective retinal photodisruption of the photoreceptor mosaic


An electronic slo/oct ophthalmoscope is equipped with a femtosecond (fs) laser for intra- or preretinal therapeutic use in the posterior segment of the eye. In one application the retina photoreceptor mosaic or bruch's membrane is disrupted in such pattern that minimizes loss of visual functioning but reduces metabolic load of the outer retina.
12/18/14
20140369592

Method for establishing distortion properties of an optical system in a microlithographic measurement system


A method for establishing distortion properties of an optical system in a microlithographic measurement system is provided. The optical system has at least one pupil plane, in which the distortion properties of the optical system are established on the basis of measuring at least one distortion pattern, which the optical system generates when imaging a predetermined structure in an image field.
Carl Zeis Sms Gmbh
12/18/14
20140368801

Imaging optical unit and projection exposure projection lithography comprising such an imaging optical unit


An imaging optical unit (7) serves for imaging an object field (4) in an object plane (5) into an image field (8) in an image plane (9). The imaging optical unit (7) has a plurality of components (m1 to m6, gi) which guide imaging light (3).
Carl Zeiss Smt Gmbh
12/18/14
20140368690

Image generation method, image generation apparatus, program, and storage medium


An image generation method is provided for generating an output image from an input image acquired by an image sensor that has an array of multiple pixels, each of which has arranged therein multiple sub-pixels that each receive a light beam that passes through a different pupil sub-area of an imaging optical system. The method includes a step of generating multiple parallax images that respectively correspond to the different pupil sub-areas; a step of generating multiple pixel shifted images by performing different shifting for each of the parallax images according to a virtual image forming plane of the imaging optical system; and a step of generating an output image that has a higher resolution than the resolution of the parallax images from the pixel shifted images through composition processing..
Canon Kabushiki Kaisha
12/18/14
20140368619

Stereoscopic imaging apparatus


A stereoscopic imaging apparatus which uses contrast af to obviate disadvantages of phase-difference af, shorten processing time of contrast af, and improve focusing accuracy. A stereoscopic imaging apparatus including a single photographing optical system, an image sensor for forming a first image which passed through a first region and a second image which passed through a second region, wherein the first region and the second region are pupil-split in a predetermined different direction in the photographing optical system, and a contrast af controlling part for controlling the positions of a lens in the photographing optical system by using the first image and the second image..
Fujifilm Corporation
12/11/14
20140364693

Proximal high definition endoscope


A stereoscopic endoscope pupil configuration for embedding in a stereoscopic endoscope, the shape of the cross section of the stereoscopic endoscope is a predetermined closed two-dimensional shape, the stereoscopic endoscope pupil configuration including at least two pupils, each of the at least two pupils having a shape covering a different unique portion of the two-dimensional closed shape, and together the at least two pupils substantially fully forming the two-dimensional closed shape.. .
12/11/14
20140362435

Nonlinear optical microscope apparatus


A nonlinear optical microscope apparatus includes: an objective for irradiating a laser beam on a sample; a beam diameter change unit for changing a beam diameter of the laser beam incident to the objective; and a control unit for deciding, for each of optical characteristics of the sample, a pupil filling ratio, which is a ratio of the beam diameter of the laser beam incident to the objective to a pupil diameter of the objective, based on the optical characteristics of the sample, and for controlling the beam diameter change unit so that the pupil filling ratio becomes the decided value.. .
12/11/14
20140362362

Method for adjusting an optical system of a microlithographic projection exposure apparatus


A method for adjusting an optical system in a microlithographic projection exposure apparatus includes establishing, for a given actual position of a polarization-influencing component, a distribution of ips values in a pupil plane of the projection exposure apparatus. Each ips value denotes the degree of realization of a predetermined polarization state for a light ray reflected at a respective mirror element of the mirror arrangement.
12/11/14
20140362332

Birefringent device with application specific pupil function and optical device


A birefringent device, which is configured to be mounted in an optical path of an optical system, has an effective area in a pupil plane. The birefringent device affects different polarization states differently and position-dependently.
12/11/14
20140362277

Imaging apparatus and control same


An imaging apparatus includes an imaging element having pixel portions each having a plurality of photoelectric conversion units for each microlens. The imaging element can output a pixel signal depending on a pupil-divided light flux.
12/11/14
20140362262

Depth measurement apparatus, imaging apparatus, and controlling depth measurement apparatus


A depth measurement apparatus including ranging pixels each having photoelectric conversion units for receiving light fluxes that have respectively passed through first and second pupil regions, a reading unit shared by the photoelectric conversion units, and a control unit for controlling the ranging operation wherein a signal charge accumulated in one of the photoelectric conversion units is output as a first signal and a second signal obtained by adding a signal charge accumulated in the other photoelectric conversion unit to the first signal is output, the signal charge accumulated in the other photoelectric conversion unit is acquired based on a difference between the first and second signals after noise reduction, and the signal charge of the photoelectric conversion unit receiving flux with a higher transmittance is read first.. .
12/11/14
20140362191

Depth measurement apparatus, imaging apparatus, and controlling depth measurement apparatus


A depth measurement apparatus including ranging pixels each having a plurality of photoelectric conversion units for receiving light fluxes that have respectively passed through first and second pupil regions, a reading unit that is shared by the plurality of photoelectric conversion units, and a control unit for controlling the ranging operation, wherein a signal charge accumulated in one of the photoelectric conversion units is output as a first signal and a second signal obtained by adding a signal accumulated in the other photoelectric conversion unit to the first signal is output, the signal charge accumulated in the other photoelectric conversion unit is acquired based on a difference between the first and second signals, and the signal charge of the photoelectric conversion unit receiving flux with a lower transmittance is read first.. .
12/11/14
20140361152

System, polarization control


A polarization control device includes a first wave plate having a first surface profile and a second wave plate having a second surface profile complimentary to the first surface profile. The optical axis of the first wave plate is orthogonal to the optical axis of the second wave plate.
12/04/14
20140355404

Optical medium reproducing apparatus and optical medium reproducing method


An optical medium reproducing apparatus that optically reproduces an optical medium on which a plurality of tracks is formed in which a beam returning from the optical medium is divided into a first region of an outside portion and a second region of an inside region, according to the shape of the pupil of an object lens, and crosstalk between the tracks is reduced by using a first detection signal of the first region and a second detection signal of the second region.. .
12/04/14
20140354953

Tracking device and optical assembly thereof


An optical assembly includes a light source and a beam splitter. The light source is used for emitting an incident beam.
12/04/14
20140354875

Image capturing apparatus and control method therefor


An image capturing apparatus comprises an image sensor including a photoelectric conversion portion configured to receive light beams having passed through a portion of a pupil area of an imaging lens and output an image signal, a control unit configured to output, from the photoelectric conversion portion, a plurality of image signals captured by shifting a focus position of the imaging lens, an acquisition unit configured to acquire an image shift amount on an image sensing plane of the image sensor, which corresponds to a shift amount when shifting the focus position of the imaging lens; and a calculation unit configured to calculate a correction coefficient for shading on the image sensing plane based on the image shift amount by comparing signals corresponding to the same object among the plurality of image signals.. .
12/04/14
20140354796

Apparatus and transmitted light illumination for light microscopes and microscope system


The invention relates to an apparatus for transmitted light illumination for light microscopes having changing effective entrance pupil of an objective. The apparatus has a light source for emitting an illuminating light beam, and a holding device for holding a sample to be examined, and at least one diaphragm edge for trimming the illuminating light beam bundle, wherein the diaphragm edge is arranged between the holding device and the light source and extends transversely to an optical axis, wherein a beam path of the illuminating light between the diaphragm edge and a sample held by the holding device is free from adjustable beam focussing components.
12/04/14
20140352075

Multi-function health professional tool


A multifunction health professional tool, having a pair of scissors with a pair of blades and a pair of handles connected by a pair of shanks. The tool also includes a babinski reflex hammer detachably connected to one of the handles, a taylor reflex hammer having a first portion connected to one of the handles and a second portion connected to the opposing handle, a slide ruler attached to one of the shanks, and a pupil dilator light attached to one of the shanks..
11/27/14
20140351926

Athentication of device users by gaze


A method includes obtaining a gaze feature of a user of a device, wherein the device has already been unlocked using a second feature, the gaze feature being based on images of a pupil relative to a display screen of the device, comparing the obtained gaze feature to known gaze features of an authorized user of the device, and determining whether or not the user is authorized to use the device based on the comparison.. .
11/27/14
20140347736

Systems and methods for aligning a near-eye display device


A near-eye display system includes (a) a near-eye display device, having a display and capable of providing, to a pupil of a user, an image from the display superimposed on an ambient scene, and (b) a fixture for coupling the near-eye display device to a holder mounted to the user, wherein the fixture has a plurality of degrees of freedom for alignment of the display device with respect to the pupil.. .
11/27/14
20140347645

Illumination optical system, exposure apparatus, optical element and manufacturing method thereof, and device manufacturing method


An illumination optical system which illuminates a surface to be illuminated on the basis of light from a light source has a first optical path in which a diffractive optical element can be arranged at a first position thereof; a second optical path in which a spatial light modulator with a plurality of optical elements arrayed two-dimensionally and controlled individually can be arranged at a second position thereof; and a third optical path which is an optical path of light having passed via at least one of the first optical path and the second optical path and in which a distribution forming optical system is arranged. The distribution forming optical system forms a predetermined light intensity distribution on an illumination pupil located in the third optical path, based on the light having passed via at least one of the first and second optical paths..
11/27/14
20140347631

Ophthalmologic imaging apparatus and control method therefor


Provided is an ophthalmologic imaging apparatus capable of imaging with reduced imaging time based on a combination of an imaging type and a mydriatic state of an eye to be inspected. The ophthalmologic apparatus includes an acquiring unit configured to acquire information about a mydriatic state of a pupil of a person to be inspected, and a determining unit configured to determine an imaging order for imaging one of left and right eyes of the person to be inspected a plurality of times and imaging the other eye in accordance with the information about the mydriatic state acquired by the acquiring unit..
11/27/14
20140347572

Near-eye display systems, devices and methods


A near-eye display device includes (a) a display unit having a liquid-crystal-on-silicon (lcos) display and a first polarizing beam splitter interface for (i) reflecting illumination light from an illumination module towards the liquid-crystal-on-silicon display and (ii) transmitting display light from the lcos display based on the illumination light, and (b) a viewing unit having an imaging objective that forms an image of the lcos display for the pupil based on the display light, and a second polarizing beam splitter interface for (i) reflecting reflected display light from the imaging objective towards the pupil and (ii) transmitting ambient light from an ambient scene towards a pupil, the second polarizing beam splitter interface and the first polarizing beam splitter interface being orthogonal to a common plane.. .
11/27/14
20140347550

Focus detector, and lens apparatus and image pickup apparatus including the same


A focus detector for detecting a defocus amount of an image pickup optical system based on a displacement amount between two images formed by two beams divided from the image pickup optical system and passed through two pupil areas, the focus detector including: two lenses; two phase difference sensors for photoelectrically converting two subject images formed by the two lenses into two image signals; a correlation computing unit for dividing the two image signals based on a reference number-of-pixels to compute an image displacement amount for each divided area; a waveform coincidence computing unit for computing a coincidence degree of the two image signals in the each divided area in which the image displacement amount is computed by the correlation computing unit; and a defocus computing unit for computing a defocus amount based on the coincidence degree of the two image signals computed by the waveform coincidence computing unit.. .
11/27/14
20140347462

Quantitative nonlinear optical microscopy using a shaped beam


A nonlinear optical microscope is provided, including source of a pulsed laser beam; a spatial light modulator for modulating the spatial profile of the pulsed laser beam; an objective for guiding the modulated beam towards a slide intended to carry a specimen; and a detector for collecting signals originating from the specimen, wherein the spatial light modulator is designed to modulate the intensity and/or the phase of the pulsed laser beam on the rear pupil of the objective to produce a beam that is axially extended and confined in one or two lateral directions after focusing by the objective, and wherein the slide is placed on a motorized stage of a histology slide scanner assembly.. .


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Pupil topics: Aberration, Imaging System, Nose Surgery, Eyeglasses, Refractive Error, Dysphotopsia, Multifocal, Traumatic Brain Injury, Physiologic, Postoperative, Ocular Lens, Intraocular, Intraocular Lens, Anterior Chamber, Image Capture

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