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Pupil patents



      

This page is updated frequently with new Pupil-related patent applications.




Date/App# patent app List of recent Pupil-related patents
07/21/16
20160212325 
 Camera  correcting focus detection pixel patent thumbnailnew patent Camera correcting focus detection pixel
A camera system includes an interchangeable lens and a camera main body. The interchangeable lens includes a lens side storage unit that stores pupil related data according to an image height.
Olympus Corporation


07/21/16
20160209759 
 Illumination system of a microlithographic projection exposure apparatus patent thumbnailnew patent Illumination system of a microlithographic projection exposure apparatus
An illumination system of a microlithographic projection exposure apparatus includes a pupil forming unit directing light on a spatial light modulator that transmits or reflects impinging light in a spatially resolved manner. An objective images a light exit surface of the spatial light modulator on light entrance facets of an optical integrator so that an image of an object area on the light exit surface completely coincides with one of the light entrance facets.
Carl Zeiss Smt Gmbh


07/21/16
20160209755 
 Method and apparatuses for optical pupil symmetrization patent thumbnailnew patent Method and apparatuses for optical pupil symmetrization
An inspection apparatus may determine precise ov measurements of a target on a substrate using an optical pupil symmetrizer to reduce the inspection apparatus's sensitivity to asymmetry and non-uniformity of the illumination beam in the pupil plane. The inspection apparatus includes an illumination system that forms a symmetrical illumination pupil by (1) splitting an illumination beam into sub-beams, (2) directing the sub-beams along different optical branches, (3) inverting or rotating at least one of the sub-beams in two dimensions, and recombining the sub-beams along the illumination path to symmetrize the intensity distribution.
Asml Holding N.v.


07/21/16
20160209662 
 Ocular video display device enabling natural field of view patent thumbnailnew patent Ocular video display device enabling natural field of view
A video display device is provided that naturally displays a video without blocking an observer's field of view, and includes the following: a display optical system that displays a video; an ocular optical system that guides video light emitted from the display optical system to the optical pupil of an observer; and a support that supports the ocular optical system upon the light path of video light emitted from the display optical system. The support includes a first support plate and a second support plate that face each other, and the ocular optical system is located between the first support plate and the second support plate.
Telepathy Holdings Co., Ltd.


07/21/16
20160209269 
 Hybrid image-pupil optical reformatter patent thumbnailnew patent Hybrid image-pupil optical reformatter
A hybrid image-pupil optical reformatter and method for optional use with a spectrometer is disclosed, which performs beam slicing in pupil space and stacks replicas of the input source generated from the pupil beam slices in image space. The optical reformatter comprises a collimator which receives an input light and produces a collimated beam; a first optical element which receives the collimated beam, redirects portions of the collimated beam back toward the collimator as reimaged beams and permits portions of the collimated beam to pass; a second optical element which receives the reimaging beams and redirects the reimaging beams back toward the collimator and the first optical element; to form an output beam comprising the portions of the collimated beams that are not redirected toward the collimator by the first optical element.
Tornado Spectral Systems Inc.


07/21/16
20160206196 
 Spectacles and  determining the pupil center of both of the wearer's eyes patent thumbnailnew patent Spectacles and determining the pupil center of both of the wearer's eyes
The invention relates to a pair of spectacles (1) comprising a frame (2), said frame (2) having at least one lens-receiving opening (3) for a lens, and having a right nose section (5) of the frame and a left nose section (6) of the frame, wherein a right eye-capturing camera (7) is arranged in the right nose section (5) of the frame, and a left eye-capturing camera (8) is arranged in the left nose section (6) of the frame.. .

07/21/16
20160206187 
 Programmable spectral source and design tool for 3d imaging using complementary bandpass filters patent thumbnailnew patent Programmable spectral source and design tool for 3d imaging using complementary bandpass filters
An endoscopic illumination system for illuminating a subject for stereoscopic image capture, includes a light source which outputs light; a first complementary multiband bandpass filter (cmbf) and a second cmbf, the first and second cmbfs being situated in first and second light paths, respectively, where the first cmbf and the second cmbf filter the light incident thereupon to output filtered light; and a camera which captures video images of the subject and generates corresponding video information, the camera receiving light reflected from the subject and passing through a pupil cmbf pair and a detection lens. The pupil cmbf includes a first pupil cmbf and a second pupil cmbf, the first pupil cmbf being identical to the first cmbf and the second pupil cmbf being identical to the second cmbf, and the detection lens includes one unpartitioned section that covers both the first pupil cmbf and the second pupil cmbf..

07/14/16
20160202499 
 System,  for measuring pupillary distances patent thumbnailSystem, for measuring pupillary distances
A measuring system that embodies a method and a calibration frame for use in measuring pupillary distances is provided. The calibration frame provides true measurements as well as known measurements over a vertical plane co-planar between at least two identified points.

07/14/16
20160202492 
 Viewer with enhanced depth perception patent thumbnailViewer with enhanced depth perception
A viewer for viewing an object under magnification, the viewer comprising: an objective lens for producing an image of an object located at an object plane and having a radial extent defined by an aperture stop; a partially-transmissive reflector for allowing transmission of light therethrough from the objective lens to a mirror arrangement and providing for reflection of light which is returned thereto from the mirror arrangement; a mirror arrangement which receives a light component from the partially-transmissive reflector, and is located such that a focussed image of the object is produced at the mirror arrangement and light received by the mirror arrangement is reflected back to the partially-transmissive reflector and relayed to produce an image of the object; a viewing lens arrangement for producing an optical image of the object which is viewable by an observer at an exit pupil at a viewing plane; wherein the objective lens has a beam path angle (α) as defined by a distance from the object plane to the objective lens and a radial extent of the aperture stop; wherein the viewer has a viewing angle (β) as defined by a distance along an optical axis from the mirror arrangement to the viewing plane and a radial extent of the exit pupil at the viewing plane; wherein the viewer is configured such that a displacement ratio of the beam path angle (α) to the viewing angle (β) is at least 3:1, whereby the observer is provided with a greater change in depth perception of the object being observed relative to an extent of displacement of a head of the observer.. .
Vision Engineering Limited


07/07/16
20160195816 
 Illumination system and illumination optical unit for euv projection lithography patent thumbnailIllumination system and illumination optical unit for euv projection lithography
An illumination optical unit for euv projection lithography guides illumination light toward an object field. A field facet mirror of the illumination optical unit has a multiplicity of individual mirrors which are switchable between at least two tilting positions.
Carl Zeiss Smt Gmbh


07/07/16
20160192838 

Apparatus and assessing effects of drugs by recording ocular parameters


The invention is directed to quantification of the effects of drugs on a patient using pupillometric measures. Apparatus and processes for obtaining control and patient measures and deriving relationships from same are provided.
Drexel University


07/07/16
20160192837 

Pupillometry systems, methods, and devices


Pupillometry systems for measuring one or more pupillary characteristics of a patient are shown and described. The puillometry systems include at least one camera for capturing image data of one or snore pupils, at least one radiation source configured to project radiation to the one or more pupils, and a computer system in data communication with the at least one camera, the computer system having a processor and a non-transitory computer-readable storage medium.

06/30/16
20160191787 

Image pickup apparatus and image pickup system


An image pickup apparatus, comprising a point image intensity distribution generating unit configured to generate a point image intensity distribution based on lens light field data and a sensor light-receiving intensity characteristic, the lens light field data including information relating to directions of a plurality of light fluxes emitted from one point of an object position and passing through different regions of an exit pupil of an imaging optical system; and information relating to positions of points on the plurality of light fluxes, the sensor light-receiving intensity characteristic representing light-receiving intensities, which are determined on a light receiving surface of an image pickup element, of light fluxes passing through respective regions of an entrance pupil of a microlens arranged over the image pickup element.. .

06/30/16
20160187789 

Illumination system for illuminating a mask in a microlithographic exposure apparatus


An illumination system of a micro-lithographic projection exposure apparatus is provided, which is configured to illuminate a mask positioned in a mask plane. The system includes a pupil shaping optical subsystem and illuminator optics that illuminate a beam deflecting component.

06/30/16
20160187785 

Illumination system


An illumination system has illumination optics which guide euv illumination light collected by a collector to an object field. The illumination optics have a field facet mirror and a pupil facet mirror.

06/30/16
20160187639 

Compact articulating telescope


An unobscured afocal three-mirror telescope can provide a two-axis gimbal architecture that is more compact, more lightweight, and less expensive than traditional coudé path approaches. The telescope can create a real exit pupil and position the exit pupil on a 90-degree fold mirror.

06/30/16
20160187635 

Phase contrast microscope


I is a radius of a pupil of the objective.. .

06/30/16
20160187631 

Iris recognition lens system


An iris recognition lens system including a first lens and a second lens disposed on an optical axis and sequentially from an object to take an image of an iris and a pupil. A front part of the first lens includes a reflecting area in a central portion and a transmitting area in a circumferential portion.

06/30/16
20160183784 

Pupilary screening system and method


A method of screening a pupil of a subject to determine whether the pupil reflex resembles a canonical pupil reflex is disclosed. The method comprises the steps of stimulating the pupil with a stimulus source, such as a pupilometer and determining whether one of various pupillary response conditions is met..

06/23/16
20160182794 

Imaging device and imaging method


The imaging device of the present invention includes: an image sensor 14 that is configured such that a plurality of pixels having an organic layer (14-4) for photoelectric conversion is two-dimensionally arranged, and each pixel of the image sensor (14) is divided into a plurality of regions, and has an on-chip microlens (15), which forms a pupil image of a optical imaging system on the plurality of regions, and reading sections (16) which respectively read photoelectrically converted signals of the plurality of divided regions; an optical diaphragm that mechanically stops down rays which are incident into the image sensor 14; and an electronic diaphragm section that electronically controls an aperture value, and that selects signals of the divided regions corresponding to the aperture value from the signals of the plurality of divided regions, on the basis of the aperture value which is controlled by the optical diaphragm.. .

06/23/16
20160182792 

Imaging device and imaging method


The imaging device 1 has an image sensor 14 and an electronic diaphragm section. In the image sensor 14, a plurality of pixels having an organic layer for photoelectric conversion is two-dimensionally arranged.

06/23/16
20160181300 

Imaging apparatus


Provided is an imaging apparatus having a plurality of light receiving parts for each one microlens in order for capturing a three-dimensional image, while being capable of obtaining a more natural image when creating a two-dimensional image. The imaging apparatus includes: a microlens array (2) having a plurality of microlenses (20) regularly aligned two-dimensionally; an imaging lens for imaging light from a subject onto the microlens array (2); and a plurality of light receiving parts (22l, 22r) disposed for each of the plurality of microlenses (20).

06/23/16
20160180534 

Digital optical instrument having a folding bridge


The invention relates to a digital optical instrument including two eyepieces and a folding bridge for adapting the eyepiece distance to the interpupillary distance of the user. In an image recorded by an image sensor, a first bounding frame which is tilted about a first tilt angle relative to the image sensor, is defined and bounds a first portion of the recorded image, wherein the first tilt angle is defined depending on the folding angle.

06/23/16
20160178886 

Rotatable oblique-viewing stereoendoscope


Rotatable, oblique-viewing stereoendoscope including a dual-pupil aperture divided to a first pupil and a second pupil, a proximal objective assembly positioned proximally to the dual-pupil aperture, a first image sensor configured to detect a first image focused by the proximal objective assembly and a second image sensor configured to detect a second image focused by the proximal objective assembly, a relay system positioned distally to the dual-pupil aperture and a front optical system positioned distally to the relay system, the front optical system including a folding prism, wherein the front optical system is configured to reimage the dual-pupil aperture at a distal end thereof, thereby producing an image of the first pupil and an image of the second pupil at a distal pupil plane and wherein the stereoendoscope does not include a negative power lens positioned distally to the folding prism.. .

06/23/16
20160174837 

Method for measuring two pupils and dual-pupil measuring device


A method for measuring two pupils includes a number of steps. A first visible light beam and a first invisible light beam are emitted toward a right eye.

06/23/16
20160174835 

Head-mounted optical coherence tomography


The invention provides a system and method for obtaining ophthalmic measurements whereby the inventive device is configured to be head mountable, automatically axially length aligned with a selected target, and laterally aligned so that light from an oct source enters through the pupil of the eye under test. The frame of the head mountable oct is customizable, capable of analyzing both the left and right eye of a subject.

06/16/16
20160174335 

Vehicle lighting control system using wearable glasses and the same


A vehicle lighting control system includes wearable glasses configured to recognize pupils of a driver in a vehicle in real time, a head unit configured to receive a size of the pupils of the driver from the wearable glasses to acquire brightness control values of a plurality of lighting devices installed in the vehicle according to a predetermined formula, and a controller configured to adjust brightness of the lighting devices installed in the vehicle according to the brightness control values received from the head unit.. .
Hyundai Motor Company


06/16/16
20160173761 

Imaging device, ranging device and imaging apparatus


An imaging device includes a first imaging area having a plurality of first pixels and a plurality of second pixels arranged therein and a second imaging area having a plurality of first pixels and a plurality of third pixels arranged therein. Each of the first pixels, each of the second pixels and each of the third pixels receive a light flux from first, second and third pupil areas, respectively, of the exit pupil of an optical system and operate for photoelectric conversion.
Canon Kabushiki Kaisha


06/16/16
20160172390 

Solid-state image sensor and image capturing apparatus using the same


The present invention provides a solid-state image sensor in which degradation in image quality can be reduced. The solid-state image sensor includes an optical isolation layer between a pupil dividing unit and a plurality of photoelectric conversion units.
Canon Kabushiki Kaisha


06/16/16
20160171752 

Optimized stereoscopic visualization


The present invention discloses a method comprising: calculating an x separation distance between a left eye and a right eye, said x separation distance corresponding to an interpupilary distance in a horizontal direction; and transforming geometry and texture only once for said left eye and said right eye.. .
Intel Corporation


06/16/16
20160171596 

Self-service prescription eyewear kiosk


A self-service eyewear ordering kiosk is disclosed. Customers may order eyewear at the kiosk without requiring assistance from retail sales associates or from optical professionals.
Essilor International (compagnie Generale D'optique)


06/16/16
20160166190 

Systems and methods for measuring reactions of head, eyes, eyelids and pupils


Systems and methods are provided to measure reaction times and/or responses for head, eye, eyelid movements, and/or changes in pupil geometry. The system includes eyewear or headwear including one or more eye-tracking cameras for monitoring the position and geometry of at least one eye and its components of the user, one or more scene cameras for monitoring the user's surroundings, and one or more processors to determine reaction times.
Eyefluence, Inc.


06/16/16
20160166145 

Method for determining ocular measurements using a consumer sensor


Disclosed is a method for determining at least one ocular measurement (pupillary distance, mono pupillary distance and/or heights) of a user, using a consumer-type digital image sensor. The method uses at least one image of the user's head, acquired by the image sensor and containing an object of known size.
Fittingbox


06/09/16
20160165223 

Light-restricted projection units and three-dimensional display systems using the same


The invention features a multi-view display system based on planar- or circular-aligned light-restricted projection units. A light-restricted projection unit is constituted by a display panel, a directional imaging structure transmitting optical messages from the display panel along a specific direction, and baffles encasing the display panel/directional imaging structure pair for light blocking.
Sun Yat-sen University


06/09/16
20160165164 

Imaging apparatus and control method thereof


Provided is an imaging apparatus including an imaging element including a pixel unit having first and second photoelectric conversion units configured to generate image signals by photoelectrically converting optical fluxes passing through different regions into which an exit pupil of an imaging optical system is divided for one micro-lens. The imaging apparatus controls each of the timing of a first removal operation of removing a noise component from a first image signal read from the first photoelectric conversion unit and the timing of a second removal operation of removing a noise component from a second image signal read from the first and second photoelectric conversion units to have a predetermined relationship with a frequency of a noise source occurring during an operation of reading the image signals..
Canon Kabushiki Kaisha


06/09/16
20160161749 

Lens array-based illumination for wafer inspection


Systems configured to provide illumination for wafer inspection performed by a wafer inspection tool are provided. One system includes one or more pupil lenses configured to focus a first far field pattern having a shape different than a shape of light generated by a light source.
Kla-tencor Corporation


06/09/16
20160161729 

Observation apparatus


An object is to enable lsm observation while correcting aberrations, as well as illumination with a desired pattern, using a single lcos. An observation apparatus of the present invention includes an objective lens that focuses laser light emitted from a light source and radiates the laser light onto a specimen; an lcos disposed at a position optically conjugate with the pupil position of the objective lens and capable of modulating, according to a wavefront modulation pattern, the wavefront of the laser light to be radiated onto the specimen by the objective lens; a scanner disposed at a position optically conjugate with the lcos and capable of two-dimensionally scanning the laser light to be radiated onto the specimen by the objective lens; a focusing mechanism that adjusts the focal position, in the specimen, of the objective lens in the optical axis direction; and a control unit that controls the lcos such that the lcos corrects aberrations at the focal position adjusted by the focusing mechanism and forms a desired illumination pattern on the specimen..
Olympus Corporation


06/02/16
20160156896 

Apparatus for recognizing pupillary distance for 3d display


An apparatus for recognizing a pupillary distance for three-dimensional (3d) display includes a display configured to output a 3d image corresponding to a reference pupillary distance, a controller configured to control a viewing cone included in the 3d image, and a user inputter configured to receive a user feedback indicating whether an artifact is viewed in the 3d image in response to the controlling of the viewing cone. The controller may move the viewing cone within a margin corresponding to the reference pupillary distance, and change the reference pupillary distance or determine the reference pupillary distance to be a desired pupillary distance of the user based on the user feedback..
Samsung Electronics Co., Ltd.


06/02/16
20160156867 

Image sensor, image capturing apparatus, focus detection apparatus, image processing apparatus, and control image capturing apparatus


An image sensor in which pixels, each having a photoelectric conversion region divided into a plurality of regions, are arranged two-dimensionally, the image sensor comprising: a first pixel, from the pixels, for which each of photoelectric conversion regions divided in a first direction receives a light beam that passes through a pupil region; and a second pixel, from the pixels, for which each of photoelectric conversion regions divided in a second direction different to the first direction receives a light beam that passes through the pupil region; wherein the first pixel outputs signals having parallax in the first direction from the photoelectric conversion regions divided in the first direction, and the second pixel outputs signals having parallax in the second direction from the photoelectric conversion regions divided in the second direction.. .
Canon Kabushiki Kaisha


06/02/16
20160154245 

Ergonomic head mounted display device and optical system


This invention concerns an ergonomic optical see-through head mounted display device with an eyeglass appearance. The see-through head-mounted display device consists of a transparent, freeform waveguide prism for viewing a displayed virtual image, a see-through compensation lens for enabling proper viewing of a real-world scene when combined together with the prism, and a miniature image display unit for supplying display content.
Magic Leap, Inc.


06/02/16
20160151628 

Devices and methods for monitoring non-invasive vagus nerve stimulation


Devices and methods are disclosed that treat a medical condition, such as migraine headache, by electrically stimulating a nerve noninvasively, which may be a vagus nerve situated within a patient's neck. Preferred embodiments allow a patient to self-treat his or her condition.
Electrocore, Llc


06/02/16
20160150955 

Method of measuring and analyzing ocular response in a subject using stable pupillary parameters with video oculography system


A method of measuring and analyzing an ocular response in a subject comprising the steps of: providing a video oculography based system for the subject with the system configured to collect eye images in excess of 60 hz and configured to resolve eye movements smaller than at least 3 degrees of motion; collecting eye data with the video oculography based system wherein at least one stimulus is presented to only one eye of the subject and configured to yield a pupil eye response from at least one eye of the subject; calculating pupilometry measurements from the eye data, wherein the pupil measurements are calculated independently for the subject's left and right eyes for each stimulus presented to the subject, and wherein comparative left and right pupilometry measurements from the eye data are calculated; analyzing a subject's ocular response based upon at least one of the calculated pupilometry measurements.. .
Neuro Kinetics, Inc.


05/26/16
20160147078 

Multifocal display


A multifocal display for rendering a 3d scene as a series of 2d images. In one aspect, the multifocal display includes a display, an optical imaging system, a refractive focus actuator and a controller.
Ricoh Company, Ltd.


05/26/16
20160147069 

Display apparatus


A display apparatus includes a frame and an image display apparatus for a left eye 3 and an image display apparatus for a right eye which are attached to the frame. Each image display apparatus 30 includes an image forming apparatus 40 and an optical system 50 configured to guide an image from the image forming apparatus 40 to a pupil of an observer 10.
Sony Corporation


05/26/16
20160147067 

3-dimensional electro-optical see-through displays


An exemplary display is placed in an optical pathway extending from an entrance pupil of a person's eye to a real-world scene beyond the eye. The display includes at least one 2-d added-image source that is addressable to produce a light pattern corresponding to a virtual object.
The Arizona Board Of Regents On Behalf Of The University Of Arizona


05/26/16
20160147061 

Head-up display device and illuminating device for head-up display device


An image displayed on an image display unit is illuminated by an image illumination unit, and the image is displayed for a driver using a display optical system having at least one concave mirror element. The image illumination unit has a light emitting surface that emits an illumination light, and a lens array that divides and focuses an entrance pupil of an eye box onto the light emitting surface.
Denso Corporation


05/19/16
20160140692 

Systems and methods for configuring the display resolution of an electronic device based on distance and user presbyopia


Systems and methods dynamically configure a display (104) of an electronic device (102) to a desired display resolution and/or a magnification factor without noticeable impact on the user viewing experience. According to certain aspects, the distance between a user (100) and the display is measured (1002), and the desired display resolution is determined (1006) based on the distance.
Google Technology Holdings Llc


05/19/16
20160139478 

Displaced porous electrode for frustrating tir and returning light through exit pupil


A brightness enhancing structure for a reflective display incorporates a transparent sheet having an inward hemispherical surface, a backplane electrode, an apertured membrane between the hemispherical surface and the backplane electrode, and a light reflecting electrode on an outward side of the membrane. A voltage source connected between the electrodes is switchable to apply a first voltage to move the particles inwardly through the apertured membrane toward the backplane electrode, and a second voltage to move the particles outwardly through the apertured membrane toward the light reflecting electrode.
Clearink Displays Llc


05/19/16
20160139407 

Light flux diameter-expanding element and display apparatus


A light flux diameter-expanding element (pupil expanding element) which is used in a retina scanning type display apparatus includes a first diffraction grating having a grating pattern extending in a first direction x, a second diffraction grating, a third diffraction grating, and a fourth diffraction grating, and expands a diameter of the incident light flux in a second direction y so as to emit the light. In addition, the light flux diameter-expanding element includes a fifth diffraction grating having a grating pattern extending in the second direction y, a sixth diffraction grating, a seventh diffraction grating, and an eighth diffraction grating, and expands a diameter of the incident light flux in the first direction x so as to emit the light..
Seiko Epson Corporation


05/19/16
20160139395 

Scanning microscope


A scanning microscope includes a scanner, an objective irradiates a sample with illumination light deflected by the scanner, and a beam splitter that is arranged between the objective and an exit pupil position, and that reflects one of the illumination light and observation light from the sample and transmits the other. The objective has the exit pupil position outside the objective..
Epas


05/19/16
20160139361 

Eyepiece optical system


An eyepiece optical system is achieved that is suitable for an object image displayed on a miniaturized image display device and can magnify the object image to a high magnification ratio, the distance to the eyepoint is long while achieving a wide apparent visual angle at a short focal length, various aberrations can be favorably corrected while achieving a superior optical quality, and the pupil diameter can be enlarged. The eyepiece optical system includes a first lens element having a meniscus shape with a concave surface on the object side, a positive second lens element, a negative third lens element, and a positive fourth lens element, in that order from the object side toward the eye side..
Ricoh Imaging Company, Ltd.


05/19/16
20160139268 

Visual display with illuminators for gaze tracking


A visual display includes hidden reference illuminators adapted to emit invisible light for generating corneo-scleral reflections on an eye watching a screen surface of the display. The tracking of such reflections and the pupil center provides input to gaze tracking.
Tobll Ab


05/19/16
20160135681 

Methods for objectively determining the visual axis of the eye and measuring its refraction


Provided herein are methods for objectively determining a visual axis of an eye. An optical axis of a measuring instrument is aligned with an unambiguously determinable axis of the eye which is the pupillary axis crossing the vertex of an anterior surface of a cornea and perpendicular to the vertex.
Tracey Technologies, Corp.


05/19/16
20160135676 

Accommodation compensation systems and methods


Methods and systems for obtaining an ocular aberration measurement of an eye of a patient are provided. Exemplary techniques involve obtaining a first induced metric for the eye that corresponds to a first accommodation state of the eye, obtaining a second induced metric for the eye that corresponds to a second accommodation state of the eye, and determining a natural metric of the eye based on the first and second induced metrics.
Amo Development, Llc


05/12/16
20160131909 

Image display apparatus and head mounted display


An image display apparatus which displays, as a virtual image, image in a visual field of a user, including an image generation section to generate image; an illumination section to illuminate light to the image generation section; and a projection section by which the image generated by the image generation section is projected, as a virtual image, into the visual field of the user, the projection section includes: a prism lens formed by integrating, by predetermined unit, a lens to generate the virtual image, with a prism provided thereon with a half mirror film which bends, in the direction of the pupil, a signal light from the image generation section; and aperture restriction unit which is provided on the incident surface of the prism lens, and which allows light in a predetermined area of the signal light from the image generation section to pass therethrough.. .
Hitachi-lg Data Storage, Inc.


05/12/16
20160131902 

System for automatic eye tracking calibration of head mounted display device


A method of automatically calibrating a head mounted display for a user is disclosed. The method includes automatically calculating an inter-pupillary distance value for the user, comparing the automatically calculated inter-pupillary distance value to a previously determined inter-pupillary distance value, determining if the automatically calculated inter-pupillary distance value matches the preexisting inter-pupillary distance value, and automatically calibrating the head mounted display using calibration data associated with matching previously determined inter-pupillary distance value..

05/12/16
20160131900 

Lens and optical observation device


The invention relates to a lens (1), comprising a first lens unit (3), at least one second lens unit (5), and at least one pupil (7) having a pupil radius. The first lens unit (3) and the second lens unit (5) are arranged at a distance from each other along an optical axis (oa) of the objective, such that an intermediate space is present between the first lens unit (3) and the second lens unit (5).
Carl Zeiss Microscopy Gmbh


05/12/16
20160131885 

Structured illumination device and structured illumination microscope device


A structured illumination device includes: a diffraction unit that diffracts light beams of a plurality of wavelengths that are emitted simultaneously or sequentially by a light source into a plurality of diffracted beams; and an optical system that forms interference fringes on a surface of a sample using the plurality of diffracted beams diffracted by the diffraction unit, the optical system including a first optical system and a second optical system that focuses the plurality of diffracted beams at positions on or near a pupil plane of the first optical system, and a magnification characteristic dy(λ) of the second optical system satisfying the condition of (fo·nw−afλ/p)≦dy(λ)≦(fo·na−afλ/p), where a=1 (for m=1, 2) or a=2 (for m=3).. .
Nikon Corporation


05/12/16
20160131884 

Device for imaging sample


An apparatus for imaging a sample arranged in a first medium in an object plane. The apparatus includes an optical transmission system which images the sample in the object plane in an intermediate image in an intermediate image plane.
Carl Zeiss Ag


05/12/16
20160128567 

Computerized pupillary distance measurement system and method


The present disclosure relates generally to a system and method for determining the pupillary distance of a person, more particularly determining the person's pupillary distance by using a computerized screen. The system and method do not require the trip or expense of a doctor or store visit, and are optimized for convenience and cost effectiveness.
Opternative, Inc.


05/05/16
20160127717 

Diffractive element for reducing fixed pattern noise in a virtual reality headset


A virtual reality (vr) headset includes an electronic display element, a corrective element, and an optics block. The electronic display element outputs image light via a plurality of sub-pixels that are separated from each other by a dark space.
Oculus Vr, Llc


05/05/16
20160125241 

Pupil detection light source device, pupil detection device and pupil detection method


A pupil detection light source device includes an aperture disposed to face a subject to allow light from a pupil of the subject to pass therethrough, an illumination light for obtaining a light pupil image toward the subject from the inside or the vicinity of the aperture when seen from the subject, and an illumination light for forming a reflection image with glasses obtained by canceling a reflection image with glasses of the light pupil image using an image difference toward the subject from the inside or the vicinity of the aperture when seen from the subject.. .
National University Corporation Shizuoka University


05/05/16
20160124318 

Exposure method, exposure apparatus, and article manufacturing method


This exposure method comprises a first step of performing the exposure processing by irradiating a projection optical system (the system) by a first pupil plane illumination distribution (the first distribution) of the system; a second step of performing the exposure processing by irradiating the system by a second pupil plane illumination distribution (the second distribution) that is different from the first distribution, after the first step; a change amount obtaining step of obtaining a change amount of an imaging performance of the system in a condition of the second distribution, with respect to the imaging performance in the first step; and a correction amount obtaining step of obtaining a correction amount for correcting the imaging performance in the second step, by using the change amount, wherein, in the second step, the exposure processing is performed by correcting the imaging performance using the correction amount.. .
Canon Kabushiki Kaisha


05/05/16
20160124218 

Optical systems including lens assemblies and methods of imaging fields of view using such optical systems


Optical systems including lens assemblies and methods of imaging fields of view using such optical systems are disclosed. An optical system for imaging a two dimensional field includes a first lens assembly, a first scanning mirror, a second lens assembly, and a two dimensional image sensor.
Corning Incorporated


05/05/16
20160123894 

Measurement systems having linked field and pupil signal detection


Methods and systems for simultaneous detection and linked processing of field signals and pupil signals are presented herein. In one aspect, estimates of one or more structural or process parameter values are based on field measurement signals, pupil measurement signals, or both.
Kla-tencor Corporation


05/05/16
20160120397 

Endoscope image-acquisition device


Here, α is an angle formed by a chief ray at a horizontal maximum image height and an optical axis, θh is a chief-ray correction amount (angle) for the ml at the horizontal maximum image height (h) from the center portion of the imaging element, and θd is a chief-ray correction amount (angle) for the ml at a distance d from the center portion of the imaging element. The distance d is the distance between the center portion of the imaging element and the point of intersection between α line drawn toward the center portion of the imaging element at a degrees from the position of the exit pupil of the objective optical system and the imaging element..

04/28/16
20160113486 

Eye gaze detection apparatus and eye gaze detection method


An eye gaze detection apparatus includes a plurality of illuminators each including a light source for emitting light and disposed symmetrically with respect to a predetermined position, a plurality of imaging units each disposed at an inner or outer position with respect to the plurality of illuminators, a position detector configured to detect a first position indicating a pupil center and a second position indicating a corneal reflection center based on an image of an eyeball of a subject, the image being captured by the imaging unit with the light emitted by the illuminator, and a calculator configured to calculate a fourth position indicating a corneal curvature center, based on the predetermined position, a third position on a display, the first position, and the second position.. .
Jvc Kenwood Corporation


04/21/16
20160110626 

Device for detecting pupil taking account of illuminance and method thereof


The present disclosure relates to a device for detecting a pupil taking account of illuminance and a method thereof, and provides a device for detecting a pupil taking account of illuminance capable of improving detection accuracy of the pupil by detecting a driver's pupil from an image using an adaptive threshold based binarization technique based on a lookup table in which sizes of the pupil corresponding to illuminance are written, and a method thereof.. .

04/21/16
20160109808 

Illumination system for lithographic projection exposure step-and-scan apparatus


Illumination system for a lithographic projection exposure step-and-scan apparatus comprising a light source, a pupil shaping unit, a field defining unit, a first lens array, a first slit array, a second lens array, a third lens array, a second slit array, a fourth lens array, a condenser lens, and a scanning drive unit sequentially arranged along the light beam propagation direction. The illumination system reduces requirements on lens processing, slit scanning speed, and slit scanning precision, therefore may be implemented more easily..

04/21/16
20160106761 

Ophthalmologic irrigation solutions and method


Solutions for perioperative intraocular application by continuous irrigation during ophthalmologic procedures are provided. These solutions include multiple agents that act to inhibit inflammation, inhibit pain, effect mydriasis (dilation of the pupil), and/or decrease intraocular pressure, wherein the multiple agents are selected to target multiple molecular targets to achieve multiple differing physiologic functions, and are included in dilute concentrations in a balanced salt solution carrier..

04/14/16
20160105658 

Apparatus and digital holographic table top display


Disclosed is an apparatus and method for digital holographic table top display. The digital holographic table top display apparatus includes: a camera array configured to capture a plurality of channel images in an omni-directional range from a table by using a plurality of cameras; a controller configured to detect an observer from the plurality of channel images and to track a position of pupils of the observer in at least one channel image from which the observer is detected; and a display configured to reproduce a digital holographic image in a three-dimensional (3d) space according to the tracked position of the pupils..

04/14/16
20160104043 

Apparatus and recognizing iris


An apparatus for recognizing an iris includes: a camera configured to acquire eyeball image data; and a control module configured to estimate the iris based on pupil information extracted from the eyeball image data, acquire at least one candidate boundary line for confirming the iris based on the estimated iris, and select a final boundary line from the at least one candidate boundary line. The iris is recognizable according to the final boundary line..

04/14/16
20160103338 

Eyewear pupilometer


The embodiments disclose an apparatus including an eyewear pupilometer for detecting, measuring and processing a wearer's pupil movement and size, for detecting and processing retinal images, for detecting and processing a wearer's field of view, for broadcasting alerts, for pre-diagnostic screening, for overriding vehicle operation and for measuring, recording and transmitting circadian responses, at least one eyewear pupilometer module including a lens fiber optic camera module, an image processor module, a retinal image infrared detector module, an outward camera module, at least one alert module, an alert light and message projector, a wi-fi module, an automated pullover module, an automated steering module, fiber optic & data cables, a contact lens pupilometer image, sensor and processor module, and at least one eyewear pupilometer module coupled to and/or embedded into eyewear frames and lenses, contact lenses, a vehicle wind shield and protective covers for hand held devices and laptop computers.. .

04/14/16
20160103320 

Optical design of a wide field of view pupil forming hud


A head up display or hud system, including methods and apparatus, suitable for use in a flight simulator. According to the present teachings, a flight simulator hud may be configured to produce a hud image that appears superimposed on a simulated cockpit field of view image, and which has substantially the same relatively short focal distance from the user as the simulated image.

04/14/16
20160103251 

Device for a motor vehicle including an optical area sensor having an optical semiaxis and an optical system having an aperture angle and use of the device in a vehicle


A device is provided, which includes at least one optical area sensor having an optical semiaxis and an entrance pupil. The device also includes an optical element including at least one pair of parallel surfaces.

03/31/16
20160094822 

Imaging device, image processing device, imaging method, and image processing method


An imaging device includes an optical filter, an image sensor, a multi-band estimation section, and a processor including hardware. The optical filter divides the pupil of an imaging optics into a first pupil and a second pupil that differs in wavelength passband from the first pupil.
Olympus Corporation


03/31/16
20160094784 

Image processing apparatus, image processing method, computer program and imaging apparatus


The present invention provides an image processing apparatus that can prevent incorrect correction of an image, which originates in blurring, in image processing of a re-focus image. The image processing apparatus includes: a data acquiring unit which acquires light field data formed by an imaging unit having a pupil dividing function of an exit pupil of an imaging optical system for forming an optical image of an object; an image processing unit which performs a set image processing of image data; an image forming unit which forms the image data to be subjected to the set image processing, using the light field data; and a control unit which controls the image processing unit, to perform the set processing of the image data formed, to form the light field data corrected according to the predetermined image processing..
Canon Kabushiki Kaisha


03/31/16
20160094776 

Imaging apparatus and imaging method


An imaging apparatus includes: an image pickup unit having a plurality of photoelectric converting units for receiving light fluxes from an object which passed through different pupil areas; a distance information generating unit configured to detect light from the object and generate distance information regarding a distance of the object; a determining unit configured to determine whether or not the object exists in a refocusable distance range by a process after an image pickup on the basis of the distance information and a pupil division construction of the plurality of photoelectric converting units; and a control unit configured to control the image pickup of the object by the image pickup unit in accordance with a result of the determination by the determining unit.. .
Canon Kabushiki Kaisha


03/31/16
20160094769 

Image pickup apparatus with emission unit, control method therefor, and storage medium storing control program therefor


An image pickup apparatus capable of obtaining focusing information at the time of photometry for emission control and of controlling an emission quantity appropriately. An image pickup device receives a pair of light beams that pass through different pupil division areas of an imaging optical system with a pair of photoelectric conversion sections.
Canon Kabushiki Kaisha


03/31/16
20160093024 

Application processor for determining data transmission order based on position of display and devices including the same


A portable electronic device comprises a double-sided display including a first display side and a second display side formed on a side opposite the first display side; a direct memory access (dma) controller configured to read first image data from a memory; at least one sensor configured to detect at least one of a position change of the double-sided display and a movement of a user's pupil and to output a detection signal; a status signal generator configured to interpret the detection signal output and to output a status signal; a transmission order determiner configured to receive the first image data from the dma controller, to determine a transmission order of the first image data based on the status signal, and to output second image data corresponding to the determined transmission order; and a display driver integrated circuit (ic) configured to transmit the second image data to the display.. .

03/31/16
20160091723 

Optical display apparatus, method, and applications


A see-through optical display apparatus includes an image generating component, a tilted primary mirror having a non-flat, freeform, front optical surface, and a tilted secondary mirror having a non-flat, freeform, front optical surface, wherein the apparatus has an external pupil. A method for designing/making a see-through optical display apparatus for displaying an image generated by or on an image generating component of the apparatus..
University Of Rochester


03/31/16
20160091721 

Display device


A display device of the disclosure includes a projector including optical elements to project images on left or right eye of an observer and a frame connected to the projector for mounting on the observer. With the frame mounted on the observer, at least part of the projector is placed in visual fields of the eyes, and length from tangent point between leftmost one among lines of sight of the left eye overlapping outline of at least the part and the outline to intersection between an imaginary line through the tangent point parallel to direction of pupillary distance of the observer and rightmost one among lines of sight of the right eye overlapping the outline is shorter than the pupillary distance in a top plan view of the display device..
Panasonic Intellectual Property Management Co., Ltd.


03/31/16
20160091701 

Generating perspective views in microscopy


A microscope includes a spatial light modulator configured for adjusting the perspective angle of a view imaged at the light detector. The spatial light modulator is positioned at a pupil plane, or at an equivalent conjugate plane thereof, in the illumination light path or in the detection light path.
Agilent Technologies, Inc.


03/31/16
20160091422 

Inspection apparatus and device manufacturing method


An inspection apparatus comprises an illumination system (12) for illuminating a target structure with illuminating radiation and a collection system for collecting the illuminating radiation after it has been scattered by the target structure. A programmable spatial light modulator (713) comprises an array of movable mirror elements (742) in a conjugate pupil plane (p″) of the illumination system.
Asml Netherlands B.v.


03/31/16
20160089027 

Method for photographically observing and/or documenting the fundus of an eye, and fundus camera


The invention relates to a method for photographically observing and/or documenting the fundus of an eye, comprising: producing a lighting beam path by means of a lighting module for lighting at least one partial area of the fundus by using an at least approximately punctiform or at least areally limited lighting source, producing an image plane in the lighting beam path for the creation of photographic recordings, separating the pupil cross-sectional area into a detectable observation region and an undetectable lighting region, producing an image area that contains the image of the fundus on the image plane, dividing the image area in strips in the lighting beam path into a lighted region and unlighted regions, and imaging the third and fourth purkinje reflection on the image area, wherein at least one purkinje reflection, the third and/or fourth purkinje reflection, is located in the unlighted regions of the image area.. .
Universitatsklinikum Erlangen


03/31/16
20160089021 

Photorefraction ocular screening device and methods


A photorefraction ocular screening device for assessing vision and corresponding disorders associated with the human ocular system is provided. More specifically, the present invention provides for a photorefraction ocular screening device employing advanced methods of pupil detection and refractive error analysis.
Welch Allyn, Inc.


03/24/16
20160088277 

Imaging device and imaging method


An imaging device includes an optics, an image sensor, and a processor including hardware. The optics includes a first pupil and a second pupil.
Olympus Corporation


03/24/16
20160087391 

Spatially distributed laser resonator


A distributed resonator laser system using retro-reflecting elements, in which spatially separated retroreflecting elements define respectively a power transmitting and a power receiving unit. The retroreflectors have no point of inversion, so that an incident beam is reflected back along a path essentially coincident with that of the incident beam.
Wi-charge Ltd.


03/24/16
20160085074 

Wide angle and high resolution tiled head-mounted display device


A tiled head-mounted display device, comprising: an optical component including a plurality of prisms with free-form surfaces, each prism being a wedge prism comprising a first optical surface, a second optical surface and a third optical surface; and a display component including a plurality of micro-displays, wherein the number of the micro-displays and the number of the prisms with free-form surfaces is identical. The tiled head-mounted display device according to the present invention is compact and light, provides wide field of view and high resolution, especially for the optical tiling head-mounted display device, the exit pupil planes of each display channels are coincident, thus avoiding pupil aberration and keeping exit pupil diameter and eye clearance same as the single ocular.
Beijing Institute Of Technology


03/24/16
20160085062 

Microscope and 3d high-resolution localization microscopy with an enlarged measurement region


A microscope for high-resolution imaging of a sample in a depth direction and transversely thereto has an excitation beam path for illuminating a sample,—an imaging beam path with an objective and two detectors,—and a phase element. The phase element is situated in a pupil of the imaging beam path and has a different influence on two halves of the pupil cross section.
Carl Zeiss Microscopy Gmbh


03/24/16
20160081685 

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..

03/24/16
20160081548 

Ophthalmoscope device


An ophthalmoscope device includes a support structure, an image capture device, and a display device. The support structure is configured to be worn by a subject.
Welch Allyn, Inc.


03/24/16
20160081543 

Photorefraction ocular screening device and methods


A photorefraction ocular screening device for assessing vision and corresponding disorders associated with the human ocular system is provided. More specifically, the present invention provides for a photorefraction ocular screening device employing advanced methods of pupil detection and refractive error analysis.
Welch Allyn, Inc.


03/17/16
20160080627 

Image processing apparatus, image-pickup apparatus, image processing method, non-transitory computer-readable storage medium


An image processing apparatus include a first acquirer (201, 203) configured to acquire first image data from one of a first pixel (j110a) and a second pixel (j110b) that share a single micro lens and receive light passing through different pupil areas of an optical system, a second acquirer (205) configured to acquire second image data as a sum of image data obtained from the first pixel and image data obtained from and the second pixel, and an image synthesizer (206) configured to synthesize the first image data and the second image data to generate a synthesized image, depending on an object brightness.. .
Canon Kabushiki Kaisha


03/17/16
20160077338 

Compact projection light engine for a diffractive waveguide display


The technology provides a waveguide display having a compact projection light engine and a diffractive waveguide. The diffractive waveguide includes input diffraction gratings with rolled k-vectors.

03/17/16
20160073871 

Apparatus and testing night vision


A method and an apparatus for testing night vision are disclosed. At least one visual mark is presented to a test person having an open pupil from a distance of several meters.
Carl Zeiss Vision Gmbh




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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