公开(公告)号：US20240036325A1

公开(公告)日：2024-02-01

申请号：US18349501

申请日：2023-07-10

Applicant: Apple Inc.

Inventor： Itai Afek ,  Ariel Lipson ,  Eran Tal ,  Mark R. Ayres ,  Ken Anderson ,  Maria I. Campana ,  Daniel Ott ,  Roei Remez ,  Sagee Rosen

IPC: G02B27/01 ,  G02B27/00 ,  G02B5/32 ,  G02B5/02 ,  G02B26/08 ,  G02B26/10 ,  F21V8/00 ,  G02B17/00

CPC classification number: G02B27/0172 ,  G02B27/0093 ,  G02B5/32 ,  G02B5/0252 ,  G02B26/0858 ,  G02B26/105 ,  G02B6/0036 ,  G02B6/0025 ,  G02B17/006 ,  G02B2027/0174 ,  G02B2027/0138

Abstract: A display may include an optical emitter that emits infrared light, a first coupler that couples the infrared light into a waveguide, and a second optical coupler that couples the infrared light out of the waveguide and towards the eye box. The infrared light may reflect off an eye as reflected light. The second optical coupler may couple the reflected light into the waveguide and the first optical coupler may couple the reflected light out of the waveguide and towards a camera for performing gaze tracking operations based on the sensor data. The display may sequentially illuminate different regions of the eye with the infrared light at different times using a scanning mirror, an array of light sources, or a wavelength-adjustable light source and gratings. This may minimize infrared light scattering, which minimizes background generation and maximizes signal-to-noise ratio for gaze tracking operations.

公开(公告)号：US20230367117A1

公开(公告)日：2023-11-16

申请号：US18143213

申请日：2023-05-04

Applicant: Apple Inc.

Inventor： Itai Afek ,  Roei Remez ,  Ariel Lipson

IPC: G02B27/00 ,  G02B27/01

CPC classification number: G02B27/0093 ,  G02B27/0172 ,  G02B2027/0138

Abstract: Various implementations disclosed herein include devices, systems, and methods that capture images of an illuminated retina and perform eye tracking using the images. For example, a newly capture image may be compared with a previously-captured image or model of the retina to determine a three dimensional (3D) position or orientation of the eye, relative to the camera/tracking system. Diffuse light is directed towards the retina to produce reflections that are captured by the camera. The diffuse light is directed from positions that better aligned with the camera than prior retinal-imaging techniques. For example, at least some of the diffuse light may be directed towards the retina from one or more positions that are less than the camera lens' aperture radius distance from the camera lens' optical axis.

公开(公告)号：US20230047955A1

公开(公告)日：2023-02-16

申请号：US17976801

申请日：2022-10-30

Applicant: Apple Inc.

Inventor： Ariel Lipson ,  Itai Afek ,  Jonathan Hauser ,  Roei Remez ,  Moshe Kriman ,  Zafrir Mor

IPC: G02B5/18 ,  G01S7/481 ,  G02B27/42

Abstract: A method for optical sensing includes providing a mirror comprising a central reflective region surrounded by a peripheral glare-suppressing region. A beam of light from a laser light source is directed to reflect from the central region so as to pass through an output optic along an axis toward a target scene. The light returned from the target scene through the output optic is focused onto an optical sensor, via collection optics having a collection aperture surrounding the mirror.

公开(公告)号：US11513267B2

公开(公告)日：2022-11-29

申请号：US16404771

申请日：2019-05-07

Applicant: Apple Inc.

Inventor： Ariel Lipson ,  Itai Afek ,  Jonathan Hauser ,  Roei Remez ,  Moshe Kriman ,  Zafrir Mor

IPC: G01C3/08 ,  G02B5/18 ,  G01S7/481 ,  G02B27/42 ,  G01S17/89

Abstract: A method for optical sensing includes providing a mirror comprising a central reflective region surrounded by a peripheral glare-suppressing region. A beam of light from a laser light source is directed to reflect from the central region so as to pass through an output optic along an axis toward a target scene. The light returned from the target scene through the output optic is focused onto an optical sensor, via collection optics having a collection aperture surrounding the mirror.

公开(公告)号：US11852852B2

公开(公告)日：2023-12-26

申请号：US17976801

申请日：2022-10-30

Applicant: Apple Inc.

Inventor： Ariel Lipson ,  Itai Afek ,  Jonathan Hauser ,  Roei Remez ,  Moshe Kriman ,  Zafrir Mor

IPC: G02B5/18 ,  G01S7/481 ,  G02B27/42 ,  G01S17/89

CPC classification number: G02B5/1814 ,  G01S7/4814 ,  G01S7/4817 ,  G02B27/42 ,  G01S17/89

Abstract: A method for optical sensing includes providing a mirror comprising a central reflective region surrounded by a peripheral glare-suppressing region. A beam of light from a laser light source is directed to reflect from the central region so as to pass through an output optic along an axis toward a target scene. The light returned from the target scene through the output optic is focused onto an optical sensor, via collection optics having a collection aperture surrounding the mirror.