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Pupil patents

      

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




 Diffractive optical element using crossed grating for pupil expansion patent thumbnailDiffractive optical element using crossed grating for pupil expansion
In an optical display system that includes a waveguide with multiple diffractive optical elements (does), an in-coupling doe couples light into the waveguide, an intermediate doe provides exit pupil expansion in a first direction, and an out-coupling doe provides pupil expansion in a second direction and couples light out of the waveguide. The intermediate doe is configured with a crossed grating which is a three-dimensional microstructure that is periodic in two directions.

 Control apparatus, image pickup apparatus, control method, and non-transitory computer-readable storage medium for performing focus detection patent thumbnailControl apparatus, image pickup apparatus, control method, and non-transitory computer-readable storage medium for performing focus detection
A control apparatus (121) includes a generation unit (121a) for generating first and second focus detection signals based on a plurality of types of color signals from first and second pixel groups that receive light beams passing through partial pupil regions different from each other, and a calculation unit (121b) for calculating a defocus amount by a phase difference detection method by using the first and second focus detection signals, and the generation unit combines the color signals with respect to the first pixel group so that centroids of the color signals in a pupil division direction coincide with each other to generate the first focus detection signal, and combines the color signals with respect to the second pixel group so that centroids of the color signals in the pupil division direction coincide with each other to generate the second focus detection signal.. .
Canon Kabushiki Kaisha


 Image pickup apparatus and control method therefor patent thumbnailImage pickup apparatus and control method therefor
An image pickup apparatus, including: an image pickup element configured to photoelectrically convert an object image; a signal acquisition unit configured to acquire a first signal obtained from a light flux that has passed through a first pupil partial region, a second signal obtained from a light flux that has passed through a second pupil partial region, and a third signal obtained from one of a light flux that has passed through a region that includes the first pupil partial region and is wider than the first pupil partial region, and a light flux that has passed through a region that includes the second pupil partial region and is wider than the second pupil partial region; and a defocus state detection unit configured to detect a defocus state based on at least one of the first signal and the second signal, and the third signal.. .
Canon Kabushiki Kaisha


 Image pickup apparatus and  controlling the same patent thumbnailImage pickup apparatus and controlling the same
Provided are an image pickup apparatus and a method of controlling the image pickup apparatus, capable of quickly determining possibility of refocusing for bringing each of objects located at different view angle positions on a photographed image into focus. The image pickup apparatus includes an acquisition unit configured to acquire an image photographed by using an image pickup element having a pupil-division pixel area together with photographing information of an optical system at a time of photographing, an object detecting unit configured to calculate an object area of an object and to calculate an object distance corresponding to a depth distance to the object, and a refocusing possibility determining unit configured to determine possibility of refocusing for bringing the object into focus by calculating a refocusable view angle range and determining whether or not the object area is included in the refocusable view angle range through comparison..
Canon Kabushiki Kaisha


 Device for extending the exit pupil and head up display comprising said device patent thumbnailDevice for extending the exit pupil and head up display comprising said device
An optical device comprises a transparent blade the first surface of which is reflective; a first partially reflective and partially transmissive layer covering a second surface of the transparent blade opposite the first surface, and a second layer covering the surface of the first layer opposite the transparent blade, wherein the second layer is made of a material having an optical index which differs from the optical index of the transparent blade by less than 10% and preferably by less than 5%, and the second layer comprises, on the surface thereof opposite the first layer, structures forming a diffraction grating suitable for promoting the extraction of light towards the outside of the transparent blade.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives


 Scanning imaging for encoded psf identification and light field imaging patent thumbnailScanning imaging for encoded psf identification and light field imaging
Scanned illumination allows for capturing 3-dimensional information about an object. A conventional reflection (or transmission) bright field (or fluorescence, darkfield, polarizing, phase contrast or interference) microscope is configured to use laterally scanned illumination (for example by moving an array in front of the light source) to scan an extended object.
The Regents Of The University Of Colorado, A Body Corporate


 Pattern irradiation apparatus having spatial light modulator and light blocking member for blocking 0-order light generated by spatial light modulator patent thumbnailPattern irradiation apparatus having spatial light modulator and light blocking member for blocking 0-order light generated by spatial light modulator
A pattern irradiation apparatus includes a light source unit, an objective that irradiates a sample plane with light emitted from the light source unit, a spatial light modulator of a phase modulation type that is arranged at a position conjugate with a pupil position of the objective and that modulates a phase of the light emitted from the light source unit, a light blocking member that is arranged in an optical path between the spatial light modulator and the objective and that is configured to block 0-order light generated by the spatial light modulator, and a control device that makes a correspondence between a focusing position of the 0-order light generated by the spatial light modulator and a position of the light blocking member.. .
Olympus Corporation


 Photorefraction ocular screening device and methods patent thumbnailPhotorefraction 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.


 Imaging apparatus and  operating the same patent thumbnailImaging apparatus and operating the same
An imaging apparatus includes image capturing circuitry configured to capture an image including a reference pupil showing an entire shape of a pupil of an eye of a user and an image including a partial pupil showing a portion of the pupil, and a controller configured to determine a difference value between a first center that is determined based on the entire shape of the reference pupil and a second center that is determined based on a partial shape of the reference pupil, to determine an error correction value for correcting an error related to a center of the partial pupil based on the difference value, and to determine the center of the partial pupil by using the error correction value.. .
Samsung Electronics Co., Ltd.


 Image display apparatus patent thumbnailImage display apparatus
The image display apparatus includes an optical system causing a light flux entering from an original image through an entrance surface to reflect at a part of reflective surfaces, causing the reflected light flux to form an intermediate image, and then causing the light flux to reflect at another part of the reflective surfaces and exit from an exit surface toward an exit pupil located in a first direction. The optical element includes a first optical portion, a second optical portion provided in a second direction orthogonal to the first direction with respect to the first optical portion, and a connection portion to be connected to a holding portion provided in the apparatus.
Canon Kabushiki Kaisha


Image display apparatus and image capturing apparatus

The image display apparatus includes an optical system causing a light flux entering from an original image by being transmitted through a fifth surface to reflect at a fourth surface, a third surface, a first surface and a second surface and then cause the light flux to be transmitted through the first surface and exit toward an exit pupil, causing the light flux to form an intermediate image and causing optical paths to intersect with each other. The optical system satisfies 0.62≦l12/f≦5.00 and 1.80≦l45/l12≦5.00.
Canon Kabushiki Kaisha

Eye mounted displays and systems, with eye tracker and head tracker

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.
Spy Eye, Llc

Eye mounted displays and systems, with headpiece

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.
Spy Eye, Llc

System and a compact display

Provided is a compact display system and method for creating, with minimal volume, a focused, high quality, full color, large fov virtual image characterized by eye-limited spatial resolution. The provided compact display (i) enables a flexible range of eye relief, and (ii) enables a large exit pupil..
Honeywell International Inc.

Method and device for helping to understand an auditory sensory message by transforming it into a visual message

A method and a device for helping a hearing-impaired person to understand an auditory sensory message by transforming the auditory message into a visual message and projecting this message on a support in the field of vision of the hearing-impaired person. This device comprises a support (11) carrying a sensor in the form of microphones (16, 17) to pick up the message, recording and memorizing module (19) for recording and memorizing/storing in real time the auditory message, and transforming the message into a visual message.

Eye alignment monitor and method

An eye alignment monitor and method are described for the detection of variability of the relative alignment of the two eyes with each other, thereby detecting deficits of binocular function, for use as a screening device for these abnormalities especially in infants and young children. Each embodiment includes means for tracking of the positions of a subject's two eyes simultaneously, and furthermore includes repetitive calculation of the relative positions of the two eyes with respect to each other.
The Johns Hopkins University

Method of detecting boundaries of the human eye

A method of generating a reliable image of an iris for subsequent optical analysis leading to identification or authentication of a mammal. The method comprises directing point light sources towards the iris, capturing a gray scale image of the iris and reflections of the point light sources, deriving a two tone image from the gray scale image, generating an image containing the true boundaries of the pupil, determining boundaries of the iris and generating an image containing the true boundaries of the iris, and generating a final image of the iris from the image containing the true boundaries of the iris.

Means for controlling the progression of myopia

A contact lens for use in controlling or retarding the progression of myopia in an eye has a central optical zone approximating the normal diameter of the pupil of the eye that gives clear central vision at distance for the wearer. An annular peripheral optical zone that is substantially outside the diameter of the pupil is formed around the central optical zone with greater refractive power than that of the central zone so that oblique rays entering the eye through the peripheral optical zone will be brought to focus at a focal plane that is substantially on or anterior to the peripheral region of the retina.
Vision Crc Limited

Eye mounted displays and systems, with data transmission

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.
Spy Eye, Llc

Systems, methods, and devices for measuring eye movement and pupil response

A device for monitoring eye movement and pupil response that comprises a first optical pathway for displaying one or more images to the eyes of a patient and a second optical pathway for obtaining images of the eyes of a patient. The device further comprises at least one screen for displaying an image to the left eye of the patient which is not visible to the right eye of the patient and for displaying an image to the right eye of the patient which is not visible to the left eye of the patient; a first camera for capturing images of the left eye of the patient; and a second camera for capturing images of the right eye of the patient at substantially the same time as the first camera is capturing images of the left eye of the patient.
Brien Holden Vision Diagnostics Inc.

Eye mounted displays and systems, with scaler using pseudo cone pixels

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.
Spy Eye, Llc

Eye mounted displays and systems, with scaler

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.
Spy Eye, Llc

Gaze tracking device and a head mounted device embedding said gaze tracking device

The present disclosure generally relates to a gaze tracking device. Gaze tracking is a process of measuring either the point of regard or the motion of an eye relatively to the head of a person.
Thomson Licensing

System and retinopathy detection

A device providing an indication of eye disease in a patient comprises a light emitter; an optical assembly arranged so that light emitted from the light emitter reaches an eye of the patient; a camera arranged to image the eye of the patient; and a controller. The controller measures the eye's pupil area using images received from the camera and adjusts the luminance of the light emitted from the light emitter as a non-constant function of the eye's pupil area so as to create a plurality of stimulus intervals.
Lkc Technologies Inc.

Backside illumination image sensor and image-capturing device

A backside illumination image sensor that includes a semiconductor substrate with a plurality of photoelectric conversion elements and a read circuit formed on a front surface side of the semiconductor substrate, and captures an image by outputting, via the read circuit, electrical signals generated as incident light having reached a back surface side of the semiconductor substrate is received at the photoelectric conversion elements includes: a light shielding film formed on a side where incident light enters the photoelectric conversion elements, with an opening formed therein in correspondence to each photoelectric conversion element; and an on-chip lens formed at a position set apart from the light shielding film by a predetermined distance in correspondence to each photoelectric conversion element. The light shielding film and an exit pupil plane of the image forming optical system achieve a conjugate relation to each other with regard to the on-chip lens..
Nikon Corporation

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

System and determining a pupillary response to a multimedia data element

A system and method for determining a pupillary response to a multimedia data element. The method includes receiving a first image including a pupil; receiving a second image including the pupil, wherein the second image is captured after a display of a mmde; generating, for each of the first image and the second image, a signature; comparing the signature of the first image and the signature of the second image; determining, based on the signature comparison, a user attention to the displayed mmde; and associating the displayed mmde with the determined user attention..
Cortica, Ltd.

Detection method and system

A detection method executed by a computer, the detection method includes detecting a plurality of pupil candidates from a face image region in an image of a subject based on specific shape information, and identifying at least one pupil candidate as a pupil from among the plurality of pupil candidates based on brightness information related to an image region outside of the face image region and learning information indicating a relationship between the brightness information and a size of the pupil.. .
Fujitsu Limited

Retinal projection device and activating a display of a retinal projection device

The present disclosure is directed to retinal display projection device comprising a projection component arranged for projecting an image directly onto the retina of a user wearing the device. The projection device further comprises an eye gaze detection module arranged to take an eye image of a user's eyes and to activate the projection component if a pupil of the user is in a predetermined position in said eye image..
Logitech Europe S.a.

Inspection apparatus and method, lithographic apparatus, lithographic processing cell and device manufacturing method

The present invention determines property of a target (30) on a substrate (w), such as a grating on a wafer. An inspection apparatus has an illumination source (702, 710) with two or more illumination beams (716, 716′, 716″, 716′″) in the pupil plane of a high numerical aperture objective lens (l3).
Asml Netherlands B.v.

Contact lens comprising non-coaxial lenslets for preventing and/or slowing myopia progression

Contact lenses incorporating an array of non-coaxial lenslets with add power that create non-coaxial myopic defocus within the optic zone of the lens may be utilized to prevent and/or slow myopia progression. The positive, non-coaxial lenslets cover about twenty to eighty percent of the central pupil area to deliver positive foci of light in front of the retina to slow the rate of myopia progression..
Johnson & Johnson Vision Care, Inc.

Systems, devices, and methods for eyebox expansion in wearable heads-up displays

Systems, devices, and methods for eyebox expansion by exit pupil replication in wearable heads-up displays (“whuds”) are described. A whud includes a scanning laser projector (“slp”), a holographic combiner, and an optical splitter positioned in the optical path therebetween.
Thalmic Labs Inc.

Systems, devices, and methods for eyebox expansion in wearable heads-up displays

Systems, devices, and methods for eyebox expansion by exit pupil replication in scanning laser-based wearable heads-up displays (“whuds”) are described. The whuds described herein each include a scanning laser projector (“slp”), a holographic combiner, and an optical replicator positioned in the optical path therebetween.
Thalmic Labs Inc.

Method of designing an imaging system, spatial filter and imaging system including such a spatial filter

A method of designing an imaging system including an optical system having a longitudinal optical axis, an image sensor and a spatial filter, the imaging system being configured to form an image of a focusing plane on the image sensor. The optical transfer function of the optical system combined with the spatial filter is calculated as a function of the image spatial frequencies, and of the focusing defect (Ψ), so as to determine a contrast map and a phase map of the optical system combined with the pupil function of the spatial filter, the contrast map and the phase map being a function, of the spatial frequency (f), and of the focusing defect (Ψ), and it is determined, based on these maps, a value of longitudinal extension (.
p

Imaging apparatus, controlling imaging apparatus

An imaging apparatus receive light fluxes passing through and incident on different pupil regions of an imaging optical system and generates at least image data of one pair of subject images. Imaging surface correction information regarding a manufacturing error or optical characteristics of design of an imaging lens is transmitted from a lens control unit of the imaging lens to a system control unit of a camera body, and then the system control unit receives the imaging surface correction information.
Canon Kabushiki Kaisha

Pupil detection device

There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value.
Pixart Imaging Inc.

Optical component

An optical component for a projection exposure apparatus includes a multiplicity of variably positionable beam-guiding elements which serve as pupil facets. The optical component can be arranged in the beam path of the projection optical unit..
Carl Zeiss Smt Gmbh

Automobile pillar structure

An automobile pillar structure is provided that includes a transparent portion that configures a skeleton of a pillar of a vehicle, the transparent portion being made of transparent resin, and being disposed such that a lengthwise direction thereof coincides with a vehicle vertical direction; and a glass holding portion that is disposed at least at a vehicle width direction outer side of the transparent portion, and that holds a glass, the glass holding portion being configured such that width dimension along a direction intersecting the lengthwise direction of the transparent portion is set equal to or less than an interpupillary distance of a driver.. .
Toyota Jidosha Kabushiki Kaisha

Non-invasive assessing and monitoring brain injuries

A method of assessing a brain injury of a patient that comprises performing a brain wave test, performing a pupillary response test, and performing an eye tracking test, then generating a brain injury score based on the results of the brain wave test, the pupillary response test, and the eye tracking test. In some examples, the brain injury score is determined by comparing the test results with a normative database of reference results..
The Regents Of The University Of California

Image correction method, image correction apparatus and video system

The present invention provides an image correction method, an image correction apparatus and a video system. The image correction method comprises: obtaining an actual face image; obtaining a target sample image matching with the actual face image; and correcting each eye area of the actual face image according to the target sample image such that orientation of each eye area of the corrected actual face image coincides with orientation of a corresponding eye area of the target sample image.
Boe Technology Group Co., Ltd.

Arrangement for and imaging targets with improved light collecting efficiency over extended range of working distances

An imaging lens assembly for an imaging reader includes a base lens having an optical power, a target side facing a target, and an imager side facing an imager. An aperture stop directly contacts the imager side and has an aperture through which return light from the target passes.
Symbol Technologies, Llc

Prismatic eyepiece attachment for telescopic gun sights

An attachment device that shifts the exit pupil position of a telescopic gun sight is introduced. The attachment includes a refracting wedge prism to tilt the viewing axis of the telescopic sight.
Lucida Research Llc

Determining inter-pupillary distance

A head-mounted display device is disclosed that includes an at least partially see-though display, a processor, and a non-volatile storage device holding instructions executable by the processor to: select an image that corresponds to a physical object viewable by the user; display the image at a perceived offset to the physical object; in response to alignment user input, move a perceived position of the image relative to the physical object; output an instruction to provide completion user input when the image appears to align with the physical object; when the completion user input is received, determine the inter-pupillary distance of the user; and calibrate the head mounted display device based on the inter-pupillary distance.. .

Motion based view matrix tuning

Various embodiments relating to using motion based view matrix tuning to calibrate a head-mounted display device are disclosed. In one embodiment, the holograms are rendered with different view matrices, each view matrix corresponding to a different inter-pupillary distance.

Imaging apparatus with two image sensors

A pair of pupil regions of an exit pupil, through which light beams received by a pair of photoelectric conversion units included in a pixel portion of a first image sensor respectively pass, are overlapped. A pair of pupil regions of an exit pupil, through which light beams received by a pair of photoelectric conversion units included in a pixel portion of a second image sensor respectively pass, are overlapped.
Canon Kabushiki Kaisha

Display adjustment methods and head-mounted display devices

This disclosure relates to display adjustment methods and head-mounted display devices. The head-mounted display device includes: first and second display modules; a first adjustment unit for triggering the first display module to enter a diopter adjustment mode and/or an interpupillary distance adjustment mode and for triggering the second display module to enter a non-adjustment mode; a confirmation unit for receiving a confirmation signal indicating that the first adjustment unit has completed the adjustment; a second adjustment unit for triggering the second display module to enter the diopter adjustment mode and/or the interpupillary distance adjustment mode and for triggering the first display module to enter the non-adjustment mode after the confirmation unit has received another confirmation signal.
Shenzhen Royole Technologies Co. Ltd.

Display module assembly and an electronic device using the same

This disclosure relates to a display module assembly that includes two optical module assemblies, two first adjustment mechanisms, two image generation devices, and two second adjustment mechanisms each corresponding to one of the first adjustment mechanisms. Each first adjustment mechanism is movably connected to a corresponding one of the optical module assemblies for adjusting distance between the two optical module assemblies.
Shenzhen Royole Technologies Co. Ltd.

Control apparatus and control spatial light modulator

A control apparatus includes a lens, an slm presenting a modulation pattern on a modulation plane and outputting modulated light l2 for forming light spots p1 and p2 on a pupil plane of the lens, an imaging device imaging a fringe pattern image formed on a focal plane of the lens and generating image data da indicating the fringe pattern image, a calculation unit calculating at least one kind of parameter among an intensity amplitude, a phase shift amount, and an intensity average from the image data da, an analysis unit obtaining a deviation in relative positions of an optical axis of the lens and a reference coordinate of the modulation plane based on the parameter, and a changing unit changing an origin position of the reference coordinate so that the deviation in the relative positions is decreased.. .
Hamamatsu Photonics K.k.

Compact mechanism for inter-pupil distance adjustment of viewing systems

The present invention provides an apparatus and method for adjusting an inter-pupil distance between eyepieces associated with a pair of telescopic elements in a viewing system with each of the telescopic elements having a corresponding rectilinear focal plane array at the focal plane thereof. The apparatus includes a mechanical drive for moving the focal plane arrays associated with the telescopic elements, wherein the inter-pupil distance is adjusted without skewing an orientation of the focal plane arrays, wherein distortion associated with inter-pupil distance adjustment is eliminated..
Bae Systems Information And Electronic Systems Integration Inc.

System and iris-pupil contrast enhancement

System and method of photoaltering a region of an eye using an enhanced contrast between the iris and the pupil of the imaged eye. The system includes a laser assembly outputting a pulsed laser beam, a user interface displaying one of a first digital image of the eye and a second digital image of the eye, and a controller coupled to the laser assembly and the user interface.
Amo Development, Llc

System and iris-pupil contrast enhancement

System and method of photoaltering a region of an eye using an enhanced contrast between the iris and the pupil of the imaged eye. The system includes a laser assembly outputting a pulsed laser beam, a user interface displaying one of a first digital image of the eye and a second digital image of the eye, and a controller coupled to the laser assembly and the user interface.
Amo Development, Llc



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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    This listing is a sample listing of patent applications related to Pupil for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Pupil with additional patents listed. Browse our RSS directory or Search for other possible listings.


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