Patent Claims

{
  "patentNumber": "US11205304B2",
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        "patentId": "718ead9c-4f3c-4674-8f5a-24e126827269",
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            "claim_text": "<div class=\"indep-clm\" num=\"1\"><seg-con>1. A virtual content rendering system, </seg-con><seg-trans>comprising:</seg-trans></div>\n<div class=\"indep-clm\" num=\"1\"><seg-refi>an optical apparatus comprising at least a light field generation subsystem that includes one or more waveguides and a plurality of curved reflectors or mirrors located in at least one waveguide of the one or more waveguides, wherein</seg-refi></div>\n<div class=\"indep-clm\" num=\"1\"><seg-refi>the light field generation subsystem is configured to render a four-dimensional light field for displaying virtual contents including one or more virtual objects in the four-dimensional light field using the plurality of curved reflectors or mirrors;</seg-refi></div>\n<div class=\"indep-clm\" num=\"1\"><seg-refi>the plurality of curved reflectors or mirrors are located in the at least one waveguide and are configured to refocus light as a plurality of virtual point sources emitting respective spherical waves at a plurality of radial distances for at least a part of the virtual contents; and</seg-refi></div>\n<div class=\"indep-clm\" num=\"1\"><seg-refi>the optical apparatus is configured to project the light associated with the virtual contents that include a virtual user interface to a user;</seg-refi></div>\n<div class=\"indep-clm\" num=\"1\"><seg-refi>a user interface component coupled to the virtual user interface and configured to receive a user input in response to an interaction comprising a pose or movement of the user with at least a feature in the virtual user interface, the user interface component comprising at least one pose or movement tracking device coupled to the light field generation subsystem and positioned in relation to the user; and</seg-refi></div>\n<div class=\"indep-clm\" num=\"1\"><seg-refi>a processor to receive the user input and to determine an action to be performed based at least in part on the user input.</seg-refi></div>\n<div class=\"dep-clm\" num=\"2\" parent=\"1\"><seg-con>2. The virtual content rendering system of claim 1, </seg-con><seg-trans>further comprising:</seg-trans></div>\n<div class=\"dep-clm\" num=\"2\" parent=\"1\"><seg-refi>the light field generation subsystem comprises the plurality of curved reflectors or mirrors that are configured to refocus a first focal distance of light rays corresponding to at least some of the virtual contents into light rays at one or more radial distances of the plurality of radial distances to render the four-dimensional light field for the at least some of the virtual contents.</seg-refi></div>\n<div class=\"dep-clm\" num=\"3\" parent=\"2\"><seg-con>3. The virtual content rendering system of claim 2, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the at least one pose or movement tracking device comprises a sensor, transducer, camera, or light source configured to track at least one characteristic of the user, and the at least one characteristic pertains to only one eye of a pair of eyes of the user.</seg-refi></div>\n<div class=\"dep-clm\" num=\"4\" parent=\"3\"><seg-con>4. The virtual content rendering system of claim 3, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the at least one characteristic pertains to a hand or a totem of the user.</seg-refi></div>\n<div class=\"dep-clm\" num=\"5\" parent=\"3\"><seg-con>5. The virtual content rendering system of claim 3, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the virtual user interface is configured to provide tactile perception or the four-dimensional light field to the user.</seg-refi></div>\n<div class=\"dep-clm\" num=\"6\" parent=\"3\"><seg-con>6. The virtual content rendering system of claim 3, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the at least one characteristic pertains to a head pose or a natural feature pose of the user.</seg-refi></div>\n<div class=\"dep-clm\" num=\"7\" parent=\"3\"><seg-con>7. The virtual content rendering system of claim 3, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the at least one pose or movement tracking device is configured to track the at least one characteristic by using at least a heat map that stores a frequency and a number of instances of the at least one characteristic at one or more virtual or real objects.</seg-refi></div>\n<div class=\"dep-clm\" num=\"8\" parent=\"3\"><seg-con>8. The virtual content rendering system of claim 3, </seg-con><seg-trans>further comprising </seg-trans><seg-refi>one or more light sources emitting the light including pseudo-random noise to the only one eye of the user and one or more image capturing sensors capturing at least reflected light returned from the only one eye of the user for the at least one pose or movement tracking device to track the at least one characteristic.</seg-refi></div>\n<div class=\"dep-clm\" num=\"9\" parent=\"3\"><seg-con>9. The virtual content rendering system of claim 3, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the least one pose or movement tracking device is configured to determine the at least one characteristic pertaining to the only one eye of the user at least by determining a vector distance with geometries of the only one eye, without using cameras.</seg-refi></div>\n<div class=\"dep-clm\" num=\"10\" parent=\"1\"><seg-con>10. The virtual content rendering system of claim 1, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the virtual user interface is rendered relative to a predetermined reference frame.</seg-refi></div>\n<div class=\"dep-clm\" num=\"11\" parent=\"10\"><seg-con>11. The virtual content rendering system of claim 10, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the user interface is configured to receive the user input in response to the interaction of the user based in part or in whole upon one or more transformations between the predetermined reference frame and a first reference frame.</seg-refi></div>\n<div class=\"dep-clm\" num=\"12\" parent=\"10\"><seg-con>12. The virtual content rendering system of claim 10, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the predetermined reference frame is body-centered, world-centered, head-centered, or hand-centered.</seg-refi></div>\n<div class=\"dep-clm\" num=\"13\" parent=\"1\"><seg-con>13. The virtual content rendering system of claim 1, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the virtual user interface is configured to include a first virtual object to which at least one virtual object of the one or more virtual objects is locked in, and projection of the virtual user interface is based at least in part on environmental data.</seg-refi></div>\n<div class=\"dep-clm\" num=\"14\" parent=\"1\"><seg-con>14. The virtual content rendering system of claim 1, </seg-con><seg-trans>further comprising </seg-trans><seg-refi>a database to store a map of the real world, wherein the map comprises coordinates of real objects of the real world, and the projection of the virtual user interface is based at least in part on the stored map.</seg-refi></div>\n<div class=\"dep-clm\" num=\"15\" parent=\"1\"><seg-con>15. The virtual content rendering system of claim 1, </seg-con><seg-trans>wherein </seg-trans><seg-refi>the virtual user interface is rendered as a virtual object of the one or more virtual objects with a first characteristic that provides virtual tactile perception to the user.</seg-refi></div>\n<div class=\"dep-clm\" num=\"16\" parent=\"15\"><seg-con>16. The virtual content rendering system of claim 15, </seg-con><seg-trans>further comprising </seg-trans><seg-refi>one or more sensor that comprise at least one of a camera, a motion-based sensor, a voice-based sensor, and the user interface comprises a gesture detector.</seg-refi></div>\n<div class=\"indep-clm\" num=\"17\"><seg-con>17. A machine implemented method for implementing a virtual user interface for an augmented reality display system, </seg-con><seg-trans>comprising:</seg-trans></div>\n<div class=\"indep-clm\" num=\"17\"><seg-refi>rendering virtual contents including one or more virtual objects in a four-dimensional light field for displaying virtual contents including one or more virtual objects to a user at least by refocusing light as a plurality of virtual point sources emitting respective spherical waves at a plurality of radial distances for at least a part of the virtual contents with a plurality of curved reflectors or mirrors in at least one waveguide of one or more waveguides and projecting the light associated with the one or more virtual objects including a virtual user interface with at least a light field generation subsystem;</seg-refi></div>\n<div class=\"indep-clm\" num=\"17\"><seg-refi>receiving, at a user interface of the augmented reality display apparatus coupled to the virtual user interface, a user input in response to an interaction comprising a pose or movement of the user with at least a virtual feature in the virtual user interface, the interaction captured by at least one pose or movement tracking device of the augmented reality display apparatus; and</seg-refi></div>\n<div class=\"indep-clm\" num=\"17\"><seg-refi>determining an action to be performed based at least in part on the user input.</seg-refi></div>\n<div class=\"dep-clm\" num=\"18\" parent=\"17\"><seg-con>18. The machine implemented method of claim 17, </seg-con><seg-trans>further comprising:</seg-trans></div>\n<div class=\"dep-clm\" num=\"18\" parent=\"17\"><seg-comp>refocusing a first focal distance of light rays corresponding to at least some of the virtual contents to one or more radial distances of the plurality of radial distances to render the four-dimensional light field for the at least some of the virtual contents;</seg-comp></div>\n<div class=\"dep-clm\" num=\"18\" parent=\"17\"><seg-comp>instrumenting the augmented reality apparatus with the at least one pose or movement tracking device that captures only one eye of a pair of eyes of the user; and</seg-comp></div>\n<div class=\"dep-clm\" num=\"18\" parent=\"17\"><seg-comp>capturing a pose or a movement of the only one eye of the user.</seg-comp></div>\n<div class=\"dep-clm\" num=\"19\" parent=\"18\"><seg-con>19. The machine implemented method of claim 18, </seg-con><seg-trans>further comprising:</seg-trans></div>\n<div class=\"dep-clm\" num=\"19\" parent=\"18\"><seg-refi>correlating a received signal from the only one eye of the user with a transmitted signal based in part or in whole upon a vector distance that is determined with geometries of the only one eye of the user, without using cameras.</seg-refi></div>\n<div class=\"dep-clm\" num=\"20\" parent=\"17\"><seg-con>20. The machine implemented method of claim 17, </seg-con><seg-trans>further comprising:</seg-trans></div>\n<div class=\"dep-clm\" num=\"20\" parent=\"17\"><seg-comp>constructing a heat map at least by tracking and recording a time, a frequency, and a number of instances of the interaction of the user; and</seg-comp></div>\n<div class=\"dep-clm\" num=\"20\" parent=\"17\"><seg-comp>tracking the interaction with the heat map.</seg-comp></div>\n",
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