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公开(公告)号:US12235341B2
公开(公告)日:2025-02-25
申请号:US17543727
申请日:2021-12-06
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Seyedsohrab Madani , Mohammad Malik , Muddassar Aslam , Alfonsus Lunardhi , Scott Fullam , Rubén Caballero
Abstract: To track an object with radar, and achieve greater than range resolution precision, the phase of a difference signal can be utilized and adjusted as the tracked object crosses between resolution ranges. Changes in the object's distance can be detected with greater than range resolution precision by utilizing the phase. Such changes can iteratively inform the determined distance across multiple phase cycles within a single distance range. As the movement of the object approaches, and then crosses, between resolution ranges, the phase as determined within an origin resolution range can be compared with a coincident phase within the destination resolution range and the difference can then be utilized to adjust the phase as the object then remains within the destination resolution range. Such phase adjustments can be applied across multiple resolution ranges, allowing for the tracking of an object, utilizing radar, while achieving greater than range resolution precision.
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公开(公告)号:US12003273B2
公开(公告)日:2024-06-04
申请号:US17556807
申请日:2021-12-20
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Mohit Narang , Rubén Caballero
CPC classification number: H04B10/116 , G06F3/011 , G06V40/161 , G06V40/19 , G06V40/197 , H04B10/11 , H04L63/0861
Abstract: A system for facilitating secure communications accesses a secure element in response to determining that an authorized user operates the system. The system causes a light emitter to emit an output light signal for detection by a second system. The output light signal is emitted according to a predefined field of view, which operates as a constraint to prevent devices outside of the field of view from detecting the output light signal. The system also configures the light detector to detect a second output light signal emitted by a second light emitter of the second system. In response to (i) detection of the output light signal by a second light detector of the second system and (ii) detection of the second output light signal by the light detector, the system enables secure communication between the system and the second system.
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公开(公告)号:US11829522B1
公开(公告)日:2023-11-28
申请号:US17664807
申请日:2022-05-24
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Ruben Caballero
Abstract: A head-mounted device (HMD) has a segmented metal chassis including a plurality of physically separate radio frequency (RF) antennas corresponding to different head regions. The HMD further includes a plurality of RF transceivers, each electrically connected to a corresponding RF antenna. Each RF transceiver is configured to drive the corresponding RF antenna with a drive signal at a frequency within a resonant frequency band of the corresponding RF antenna and sense a frequency response to the drive signal. The HMD further includes a plurality of notch filter circuits, each electrically connected in series with a corresponding RF antenna. Each notch filter is configured to attenuate signals at frequencies within the resonant frequency band of the corresponding RF antenna and pass signals at frequencies outside of the resonant frequency band, such that the segmented metal chassis functions as a common ground plane.
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公开(公告)号:US12158515B2
公开(公告)日:2024-12-03
申请号:US17480939
申请日:2021-09-21
Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC
Inventor: Jouya Jadidian , Scott Francis Fullam , Rubén Caballero
Abstract: Systems and methods are provided for tracking a passive controller system using an active sensor system within a mixed-reality environment. The passive controller system includes a body configured to be held in a hand of a user, as well as a plurality of retroreflectors that collectively provides at least 180 degrees of reflecting surface for reflecting a radar signal in at least 180 degrees of spherical range when the passive controller system is positioned within a predetermined distance from a source of the radar signal and with an orientation that is within the at least 180 degrees of spherical range relative to the source of the radar signal. Signals transmitted to the passive controller and reflected back from the passive controller are used to calculate the position and orientation of the passive controller system relative to the active sensor system.
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公开(公告)号:US12073021B1
公开(公告)日:2024-08-27
申请号:US18170313
申请日:2023-02-16
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Gabriele D'Amone
CPC classification number: G06F3/014 , A61B5/05 , A61B5/1126 , A61B5/6826 , G06T11/00
Abstract: A wearable device that tracks body movement is disclosed. The device includes a housing and a connection member. The connection member is coupled to the housing, and the connection member enables the device to be coupled to a user's body part. This body part is associated with the conductive matter. The device includes an RF sensor in the housing. The RF sensor oscillates at a preselected frequency. The RF sensor is tuned to resonate when the RF sensor is located a preselected distance from the conductive matter. As the conductive matter moves closer or farther from the RF sensor based on user movement, a resulting waveform generated based on data from the RF sensor is modified, and the resulting waveform is usable to determine how the user moved.
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公开(公告)号:US12126378B2
公开(公告)日:2024-10-22
申请号:US17516493
申请日:2021-11-01
Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC
Inventor: Jouya Jadidian , Ashley N. Saulsbury , Mohit Narang , Ruben Caballero
IPC: H04B10/00 , H04B10/114 , H04B10/116 , H04B10/2575
CPC classification number: H04B10/116 , H04B10/1143 , H04B10/1149 , H04B10/25754
Abstract: An extended reality headset has light-based communication transceivers coupled to the extended reality headset. The relative position of a remote transceiver with respect to the current position and orientation of the extended reality headset is determined. A line-of-sight is calculated from the light-based communication transceivers to the remote transceiver. The light-based communication transceivers emit a light-based communications beam in accordance with the calculated line-of-sight. The light-based communications beam is adjusted in response to changes to the relative position of the remote transceiver with respect to the current position and orientation of the extended reality headset.
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公开(公告)号:US12078811B1
公开(公告)日:2024-09-03
申请号:US18169110
申请日:2023-02-14
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Gabriele D'Amone
IPC: G02B27/00 , G02B27/01 , G06V10/141
CPC classification number: G02B27/0176 , G02B27/0093 , G02B27/0101 , G06V10/141 , G02B2027/0138
Abstract: A head mounted device includes a base gasket and a custom gasket rim that is selectively connectable to and disconnectable from the base gasket. The custom gasket rim is configured to intervene between the base gasket and a face of a user.
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公开(公告)号:US11614345B2
公开(公告)日:2023-03-28
申请号:US17349711
申请日:2021-06-16
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Scott Francis Fullam , Rune Hartung Jensen
Abstract: Examples are disclosed that relate to sensing a position of a surface proximate to a resonant LC sensor. One example provides a method on a sensing device comprising one or more resonant LC sensors each configured to output a signal responsive to a position of a surface proximate to the resonant LC sensor. The method comprises, for each LC sensor, generating an oscillating signal on an antenna of the resonant LC sensor and detecting a near-field response of the resonant LC sensor at a selected frequency.
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公开(公告)号:US12141340B2
公开(公告)日:2024-11-12
申请号:US18170055
申请日:2023-02-16
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Gabriele D'Amone
IPC: G06T19/00 , G02B3/00 , G02B30/40 , G06F3/01 , G06F3/0488 , G06F3/14 , G06F3/147 , G06T11/00 , G06T13/40 , G09G3/32
Abstract: A head-mounted mixed-reality (MR) device that is wearable by a user is disclosed. The MR device includes a user-facing display that displays user-directed content. The user-directed content is visible from a first position of a user who is wearing the MR device. The MR device further includes an outward-facing display that displays outward-directed content. The outward-directed content is visible from a second position that is external relative to the position of the user who is wearing the MR device.
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公开(公告)号:US11914093B2
公开(公告)日:2024-02-27
申请号:US17643141
申请日:2021-12-07
Applicant: Microsoft Technology Licensing, LLC
Inventor: Jouya Jadidian , Emily Po-Kay Chung , James Chester Meador
Abstract: A method for human movement classification includes a plurality of radio frequency (RF) antennas to expose a body surface of a human user to an E-field, at least a part of the human user positioned within a near-field region relative to the RF antennas. The plurality of RF antennas are scanned to determine ground-relative changes in electrical conditions. A differential-scanning subset of RF antennas are selected, including two or more RF antennas for which the changes in electrical conditions exceed a threshold. For each RF antenna in the differential-scanning subset, a set of antenna-relative changes in electrical conditions are determined by comparing the RF antenna to one or more other RF antennas in the differential-scanning subset as a plurality of pairs. Based at least in part on the ground-relative changes in electrical conditions and the antenna-relative changes in electrical conditions, a movement performed by the human user is classified.
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