Facebook Technologies, LLC

Google Inc.

Open Water Internet Inc.

X Development LLC

Pixel Qi Corporation

Oculus, Vr, LLC

Other

Philips Electronics North America Corporation

Microdisplay Corporation

Mary Lou Jepsen

Behnam Bastani

Jianru Shi

Adam Eales Norton

Andrei Stefan Kazmierski

Edgar Emilio Morales Delgado

Caitlin Regan

Belle Fu

Carlin Vieri

Nicholas Charles Loomis

Ruibo Lu

Lu Lu

Craig Newswanger

Philip Edwin Watson

Sapna A Shroff

Ian David O'Donnell

Stephen Duane Dorow

Sarmishtha Satpathy

Hosain Haghany

Stuart C B Abercrombie

Peter J Janssen

Serge J Bierhuizen

Sjoerd Stallinga

Colin Andrew Braley

Peyman Milanfar

Jeffrey Arthur Shimizu

Hongqin Shi

Gregory Lee Keaton

John Ryan

Edouard G Schmidtlin

Jae Hyeong Seo

Soren Konecky

Wilson Toy

Phillip Alvelda

Albert P Heberle

Pey Lung Fu

Hung-Yu Chen

Josie Ammer Bolotski

Ya-Chi Lee

Eddy Giing-Li Chen

Shenyi Tai

An ultrasound emitter launches an ultrasonic signal into a diffuse medium such as tissue. The diffuse medium is illuminated with an infrared illumination signal. activating an ultrasound emitter to launch an ultrasonic signal into a diffuse medium. An infrared reference beam is interfered with an infrared exit signal having an infrared wavelength that is the same as the infrared illumination signal. An infrared image is captured of the interference of the infrared reference beam with the infrared exit signal.

Optical imaging with unshifted reference beam

A laser device includes a seed laser, a plurality of optical amplifiers, and an optical distribution assembly. The seed laser is configured to emit seed laser light. The plurality of optical amplifiers is configured to generate amplified laser light by amplifying the seed laser light. The optical distribution assembly is configured to distribute the seed laser light to an input of each of the optical amplifiers in the plurality and each of the optical amplifiers is configured to direct its respective amplified laser light to a common target.

Multi-channel laser

An infrared imaging signal is generated to illuminate tissue. An infrared image of an exit signal of the infrared imaging signal is captured. The infrared imaging signal is within a frequency band.

Method of infrared imaging

A system or device includes a member structure, a plurality of flexible members, and a plurality of tips disposed at ends of the flexible members. The member structure includes an ultrasonic emitter configured to emit an ultrasonic imaging signal. The plurality of flexible members are coupled to the member structure. The plurality of tips are disposed at ends of the flexible members. At least one tip of the plurality of tips includes an image sensor configured to receive an infrared exit signal.

Flexible tip optical imaging

An image pixel array captures and infrared image of an interference between an imaging signal and a reference wavefront. A display pixel array generates an infrared holographic imaging signal and the image pixel array receives the infrared imaging signal through the display pixel array.

Optical imaging through display

A device includes a sensor, a coherent infrared illumination source and optics to direct an infrared reference beam to the sensor. The sensor is positioned to capture an image of an interference signal generated by an interference of the infrared reference beam and a wavelength-shifted exit signal. The wavelength-shifted exit signal propagates through the optics before interfering with the infrared reference beam.

Interference optics for optical imaging device

An imaging system includes an infrared illuminator, an ultrasonic emitter, a reference wavefront generator, and an image pixel array. The infrared illuminator emits a general illumination emission into a three-dimensional diffuse medium, where a portion of the general illumination emission encounters a voxel within the diffuse medium. The ultrasonic emitter focuses an ultrasonic signal to the voxel to wavelength-shift the portion of the general illumination emission to generate a shifted infrared imaging signal. The reference wavefront generator generates an infrared reference wavefront having a same wavelength as the shifted infrared imaging signal. The image pixel array captures an infrared image of an interference between the shifted infrared imaging signal and the infrared reference wavefront.

Optical imaging with ultrasonic signal

A co-located imaging and display pixel includes an image pixel having a photosensitive element and a display pixel co-located with the image pixel. An optical transformation engine is coupled between the image pixel and the display pixel. The optical transformation engine is configured to modulate an amplitude of display light emitted by the display pixel in response to receiving an imaging signal generated by the photosensitive element of the image pixel.

Co-located imaging and display pixel

An infrared imaging signal is generated. An image of an exit signal of the infrared imaging signal is captured. The infrared imaging signal is within a frequency band.

Imaging with infrared imaging signals

An infrared image is captured by an image sensor and a frequency domain infrared image is generated by performing a Fourier transform operation on the infrared image. A filtered frequency domain infrared image is generated by applying a mask to the frequency domain infrared image. A spatial domain infrared image is generated by performing an inverse Fourier transform on the filtered frequency domain infrared image. Phase data is extracted from the spatial domain infrared image and a holographic pattern generated from the phase data is driven onto a display.

Optical transformation device for imaging

An imaging device includes an image pixel array and a display pixel array. The image pixel array is configured to capture an infrared image of an interference between an infrared imaging signal and an infrared reference wavefront. The display pixel array is configured to generate an infrared holographic imaging signal according to a holographic pattern driven onto the display pixels. The holographic pattern is derived from the infrared image captured by the image pixel array.

System and device for optical transformation

A lens includes immobilized liquid crystals. The liquid crystals in a first region are aligned in a first orientation. The liquid crystals in a second region, located between the first region and a third region and adjacent to the first region and the third region, are aligned in a second orientation that is distinct from the first orientation. The liquid crystals in the third region, located between the second region and a fourth region and adjacent to the second region and the fourth region, are aligned in the first orientation. The liquid crystals in the fourth region, located adjacent to the third region, are aligned in the second orientation. A device with the lens and an array of light emitting devices is also disclosed.

Liquid crystal half-wave plate lens

A light intensity modulator array includes a first substrate with a two-dimensional array of electrodes; a second substrate with one or more electrodes; and liquid crystal located between the first substrate and the second substrate. The two-dimensional array of electrodes is arranged in a first direction and a second direction that is not parallel to the first direction. A respective electrode of the two-dimensional array of electrodes is distinct and separate from a first adjacent electrode and a second adjacent electrode of the two-dimensional array of electrodes. The first adjacent electrode is adjacent to the respective electrode in the first direction and the second adjacent electrode is adjacent to the respective electrode in the second direction. A method for tracking an eye using a device including the light intensity modulator array is also disclosed.

Enhanced spatial resolution using a segmented electrode array

A beam steering device includes a first substrate; a second substrate that is distinct from the first substrate; a first alignment layer located adjacent to the first substrate between the first substrate and the second substrate, and a second alignment layer located adjacent to the second substrate between the first substrate and the second substrate. The first alignment layer has a first periodic circular pattern, and the second alignment layer has a second periodic circular pattern that corresponds to the first periodic circular pattern. The beam steering device also includes nematic liquid crystals located between the first alignment layer and the second alignment layer; and one or more retardation compensators.

Wide angle beam steering for virtual reality and augmented reality

A device for eye tracking is disclosed. The device includes a first depth profiler configured to determine a distance from the first depth profiler to a surface of an eye. The device may also include a display device configured to display one or more images selected based on a position of the eye. The position of the eye is determined based on the determined distance. Also disclosed is a method for eye tracking. The method includes determining, with a first depth profiler, a distance from the first depth profiler to a surface of an eye. A position of the eye is determined based on the determine distance. One or more images selected based on the position of the eye are displayed on a display device.

Methods and devices for eye tracking based on depth sensing

Growing community of inventors

Sausalito, CA, United States of America

Mary Lou Jepsen