Methods and system for creating focal planes in virtual and augmented reality

WH Welch, RD TeKolste, H Chung… - US Patent 9,857,591, 2018 - Google Patents
Configurations are disclosed for presenting virtual reality and augmented reality
experiences to users. The system may comprise a spatial light modulator operatively …

Multi-focal display system and method

WH Welch - US Patent 10,386,636, 2019 - Google Patents
Configurations are disclosed for presenting virtual reality and augmented reality
experiences to users. The system may comprise an accommodation tracking module to track …

Multi-focal display system and method

HC Cheng - US Patent 10,317,690, 2019 - Google Patents
Configurations are disclosed for presenting virtual reality and augmented reality
experiences to users. The system may comprise a scanning device for scanning one or …

Methods and apparatus for array based LiDAR systems with reduced interference

JE Retterath, RA Laumeyer - US Patent 10,203,399, 2019 - Google Patents
An array-based light detection and ranging (LiDAR) unit includes an array of emitter/detector
sets configured to cover a field of view for the unit. Each emitter/detector set emits and …

Methods and apparatus for increased precision and improved range in a multiple detector LiDAR array

JE Retterath, RA Laumeyer - US Patent 10,036,801, 2018 - Google Patents
Methods, systems, and computer program products for acquiring three-dimensional LiDAR
information of a scene are disclosed. According to one aspect, acquiring three-dimensional …

Collimating fiber scanner design with inward pointing angles in virtual/augmented reality system

IL Yeoh, LE Edwin, AM Schuelke - US Patent 10,254,536, 2019 - Google Patents
(57) ABSTRACT A display subsystem for a virtual image generation system. The display
subsystem comprises a planar waveguide appa ratus, and an optical fiber having a distal tip …

Real-time 3D reconstruction with power efficient depth sensor usage

D Wagner, A Mulloni - US Patent 9,083,960, 2015 - Google Patents
Embodiments disclosed facilitate resource utilization efficiencies in Mobile Stations (MS)
during 3D reconstruction. In some embodiments, camera pose information for a first color …

Gated imaging using an adaptive depth of field

Y Grauer, O David, E Levi, H Garten… - US Patent …, 2017 - Google Patents
A method for gated imaging using an adaptive depth of field is provided herein. The method
includes obtaining boundary conditions associated with a preliminary depth of field (DOF) …

Single frequency time of flight de-aliasing

RT Crane, RG Fleck, J Perry - US Patent 9,602,807, 2017 - Google Patents
(57) ABSTRACT A system and method are disclosed for determining a depth map using TOF
with low power consumption. In order to disambiguate, or de-alias, the returned distance (s) …

Compound structured light projection system for 3-D surface profiling

PM Johnson - US Patent App. 13/870,118, 2014 - Google Patents
A method and apparatus is provided for high speed, non (71) Applicant: Philip Martin
Johnson, Durham, NH contact method of measuring the 3-D coordinates of a dense (US) …