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    System and method for tracking a wearable device
    1.
    发明授权
    System and method for tracking a wearable device 有权

    公开(公告)号：US11959997B2

    公开(公告)日：2024-04-16

    申请号：US17100049

    申请日：2020-11-20

    Applicant: Magic Leap, Inc.

    Inventor： Koon Keong Shee ,  Jose Felix Rodriguez ,  Ricardo Arencibia ,  Aly H. M. Aly

    IPC: G01S13/46 ,  G01S7/41 ,  G08C17/02 ,  H01Q1/27

    CPC classification number: G01S13/46 ,  G01S7/412 ,  G08C17/02 ,  H01Q1/273 ,  G01S2013/468 ,  G08C2201/32

    Abstract: A method of using a first device to locate a second device is disclosed. The first device, while in a first mode, transmits a first signal and receives a second signal comprising a reflection of the first signal by the second device. The first device determines, based on the received second signal, a position of the second device relative to the first device. The first device transitions to a second mode, and while in the second mode, receives a third signal from the second device. The first device determines, based on the third signal, an orientation of the second device relative to the first device. The first device comprises one or more receiving antennas, and the second device comprises one or more transmitting antennas. The third signal corresponds to a transmitting antenna of the second device.

    DEPTH SENSING TECHNIQUES FOR VIRTUAL, AUGMENTED, AND MIXED REALITY SYSTEMS
    4.
    发明申请
    DEPTH SENSING TECHNIQUES FOR VIRTUAL, AUGMENTED, AND MIXED REALITY SYSTEMS 有权

    公开(公告)号：US20220201210A1

    公开(公告)日：2022-06-23

    申请号：US17690956

    申请日：2022-03-09

    Applicant: Magic Leap, Inc.

    Inventor： Brian Keith Smith ,  Koon Keong Shee ,  Gregory Michael Link

    IPC: H04N5/232 ,  H04N13/139 ,  H04N13/296 ,  G06F3/00 ,  G01S17/894

    Abstract: A system and method for operating a depth sensor. A configuration operation can be performed by storing a first sequence of operation steps which define a first depth sensing mode of operation, and a second sequence of operation steps which define a second depth sensing mode of operation, in the memory. In response to a first request for depth measurements according to the first depth sensing mode of operation, the depth sensor can be operated in the first mode of operation by causing it to execute the first sequence of operation steps. In response to a second request for depth measurements according to the second depth sensing mode of operation, and without performing an additional configuration operation, the depth sensor can be operated in the second mode of operation by causing it to execute the second sequence of operation steps.

    POWER-EFFICIENT HAND TRACKING WITH TIME-OF-FLIGHT SENSOR
    5.
    发明申请
    POWER-EFFICIENT HAND TRACKING WITH TIME-OF-FLIGHT SENSOR 有权

    公开(公告)号：US20210302587A1

    公开(公告)日：2021-09-30

    申请号：US17210152

    申请日：2021-03-23

    Applicant: Magic Leap, Inc.

    Inventor： David Cohen ,  Elad Joseph ,  Eyal Preter ,  Paul Lacey ,  Koon Keong Shee ,  Evyatar Bluzer

    IPC: G01S17/894 ,  G06F3/01 ,  G06F3/03

    Abstract: Techniques are disclosed for operating a time-of-flight (TOF) sensor. The TOF may be operated in a low power mode by repeatedly performing a low power mode sequence, which may include performing a depth frame by emitting light pulses, detecting reflected light pulses, and computing a depth map based on the detected reflected light pulses. Performing the low power mode sequence may also include performing an amplitude frame at least one time by emitting a light pulse, detecting a reflected light pulse, and computing an amplitude map based on the detected reflected light pulse. In response to determining that an activation condition is satisfied, the TOF may be switched to operate in a high accuracy mode by repeatedly performing a high accuracy mode sequence, which may include performing the depth frame multiple times .

    Power-efficient hand tracking with time-of-flight sensor
    8.
    发明授权
    Power-efficient hand tracking with time-of-flight sensor 有权

    公开(公告)号：US12066545B2

    公开(公告)日：2024-08-20

    申请号：US17210152

    申请日：2021-03-23

    Applicant: Magic Leap, Inc.

    Inventor： David Cohen ,  Elad Joseph ,  Eyal Preter ,  Paul Lacey ,  Koon Keong Shee ,  Evyatar Bluzer

    IPC: G01S17/894 ,  G06F3/01 ,  G06F3/03

    CPC classification number: G01S17/894 ,  G06F3/017 ,  G06F3/0325

    Abstract: Techniques are disclosed for operating a time-of-flight (TOF) sensor. The TOF may be operated in a low power mode by repeatedly performing a low power mode sequence, which may include performing a depth frame by emitting light pulses, detecting reflected light pulses, and computing a depth map based on the detected reflected light pulses. Performing the low power mode sequence may also include performing an amplitude frame at least one time by emitting a light pulse, detecting a reflected light pulse, and computing an amplitude map based on the detected reflected light pulse. In response to determining that an activation condition is satisfied, the TOF may be switched to operate in a high accuracy mode by repeatedly performing a high accuracy mode sequence, which may include performing the depth frame multiple times.

    Method and system for integration of electronic sensors with thermal cooling system
    10.
    发明授权
    Method and system for integration of electronic sensors with thermal cooling system 有权

    公开(公告)号：US11275416B2

    公开(公告)日：2022-03-15

    申请号：US16918963

    申请日：2020-07-01

    Applicant: Magic Leap, Inc.

    Inventor： Shurhabeel Zamir Seyed ,  Carlos Julio Suate Pedroza ,  Koon Keong Shee

    IPC: G06F1/26 ,  G06F1/32 ,  G06F1/20 ,  G08B21/02 ,  G06F1/324 ,  G06F1/16 ,  G06F3/01 ,  G06F3/0346

    Abstract: A system includes a computing device operatively coupled to one or more user interface components, and a thermal cooling system for cooling the computing device. The system further includes a proximity sensor positioned adjacent a thermal vent and configured to set a proximity flag in response to detecting an object in proximity to the thermal vent. The system further includes an orientation sensor coupled to the computing device and configured to set an orientation flag in response to detecting an orientation of the computing device being such that the thermal vent is facing downward. The system further includes a processor communicatively coupled to the proximity sensor, the orientation sensor, and the one or more user interface components. The processor is configured to provide an alert for output through the one or more user interface components in response to having the proximity flag set or the orientation flag set.

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