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公开(公告)号：US11776153B2
公开(公告)日：2023-10-03
申请号：US16596297
申请日：2019-10-08
Applicant: ZEBRA TECHNOLOGIES CORPORATION
Inventor： Patrenahalli M. Narendra , Dae Suk Noh
Abstract: A mobile device includes a rangefinder to measure ranges to points external to the device; a tracking sensor; and a controller connected with the rangefinder and the tracking sensor, the controller configured to: track successive poses of the mobile device in a frame of reference via the tracking sensor; responsive to a first activation of the rangefinder at a first one of the poses, generate a first position, in the frame of reference, of a first external point based on a first range from the rangefinder and the first pose; responsive to a second activation of the rangefinder at a second one of the poses, generate a second position, in the frame of reference, of a second external point based on a second range from the rangefinder and the second pose; and determine a distance between the first and second external points based on the first and second positions.
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公开(公告)号：US11562260B2
公开(公告)日：2023-01-24
申请号：US16047270
申请日：2018-07-27
Applicant: Zebra Technologies Corporation
Inventor： Patrenahalli M. Narendra , Robert A. Biggs
Abstract: A method of determining a location of a mobile device in a system having a plurality of fixed transmitters includes: obtaining, at the mobile device, inference model data defining a plurality of node operations; collecting, at the mobile device, respective proximity indicators corresponding to a subset of the fixed transmitters, each proximity indicator representing a proximity of the mobile device to the respective fixed transmitter; at the mobile device, generating a location according to the proximity indicators and the node operations; and presenting the location.
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Patent Agency Ranking
公开(公告)号：US11543249B2
公开(公告)日：2023-01-03
申请号：US17318718
申请日：2021-05-12
Applicant: ZEBRA TECHNOLOGIES CORPORATION
Inventor： Patrenahalli M. Narendra , Joseph R. White
Abstract: An assistive navigational system for deployment in a facility having a global frame of reference includes: a server including a memory storing: a plurality of anchor definitions each containing (i) an anchor position in the global frame of reference, and (ii) a feature set corresponding to physical characteristics of the facility at the anchor position; and a task definition containing (i) a task position defined relative to the anchor position, and (ii) task overlay data; the server further including a communications interface, and a processor configured to: select one of the anchor definitions for association with the task definition; and transmit the selected anchor definition and the task definition to a mobile computing device, the mobile computing device configured to receive the selected anchor definition and the task definition; the mobile computing device further configured to present the task overlay data on a display.
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公开(公告)号：US20220326336A1
公开(公告)日：2022-10-13
申请号：US17224914
申请日：2021-04-07
Applicant: ZEBRA TECHNOLOGIES CORPORATION
Inventor： Patrenahalli M. Narendra
Abstract: A mobile computing device includes: a tracking sensor; a proximity sensor; and a controller coupled to the tracking sensor and the proximity sensor, the controller configured to: obtain a sequence of sensor datasets, each sensor dataset including: (i) a location of the mobile computing device, in a local coordinate system, generated using the tracking sensor, (ii) a proximity indicator generated using the proximity sensor, defining a range to a fixed reference device, and (iii) a predefined location of the reference device in a facility coordinate system; determine, from the sequence, an adjusted pose of an origin of the local coordinate system in the facility coordinate system; and generate, using a current location of the mobile device in the local coordinate system and the adjusted pose, a corrected location of the mobile computing device in the facility coordinate system; and execute a control action based on the corrected location.
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公开(公告)号：US20220261578A1
公开(公告)日：2022-08-18
申请号：US17174987
申请日：2021-02-12
Applicant: ZEBRA TECHNOLOGIES CORPORATION
Inventor： Patrenahalli M. Narendra , Charles Bolen
Abstract: A mobile device includes: a camera; a display; a tracking sensor; and a controller connected to a repository of item identifiers and item positions in a facility frame of reference for items disposed on support surfaces within a facility, the controller configured to: track, via the tracking sensor, successive poses of the mobile device in the facility frame of reference; control the camera to capture a stream of images while tracking the poses, and for each image: determine, based on the tracked poses, whether to perform item detection, and when the determination is affirmative, (i) process the image to detect respective indicia affixed to a subset of the items and decode respective item identifiers from the indicia, (ii) generate positions of the detected indicia in the facility frame of reference, based on the poses of the mobile device, and (iii) update the repository with the decoded item identifiers and the generated positions.
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公开(公告)号：US20210262806A1
公开(公告)日：2021-08-26
申请号：US17318718
申请日：2021-05-12
Applicant: ZEBRA TECHNOLOGIES CORPORATION
Inventor： Patrenahalli M. Narendra , Joseph R. White
Abstract: An assistive navigational system for deployment in a facility having a global frame of reference includes: a server including a memory storing: a plurality of anchor definitions each containing (i) an anchor position in the global frame of reference, and (ii) a feature set corresponding to physical characteristics of the facility at the anchor position; and a task definition containing (i) a task position defined relative to the anchor position, and (ii) task overlay data; the server further including a communications interface, and a processor configured to: select one of the anchor definitions for association with the task definition; and transmit the selected anchor definition and the task definition to a mobile computing device, the mobile computing device configured to receive the selected anchor definition and the task definition; the mobile computing device further configured to present the task overlay data on a display.
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公开(公告)号：US11015938B2
公开(公告)日：2021-05-25
申请号：US16217296
申请日：2018-12-12
Applicant: Zebra Technologies Corporation
Inventor： Patrenahalli M. Narendra , Joseph R. White
Abstract: An assistive navigational system for deployment in a facility having a global frame of reference includes: a server including a memory storing: a plurality of anchor definitions each containing (i) an anchor position in the global frame of reference, and (ii) a feature set corresponding to physical characteristics of the facility at the anchor position; and a task definition containing (i) a task position defined relative to the anchor position, and (ii) task overlay data; the server further including a communications interface, and a processor configured to: select one of the anchor definitions for association with the task definition; and transmit the selected anchor definition and the task definition to a mobile computing device, the mobile computing device configured to receive the selected anchor definition and the task definition; the mobile computing device further configured to present the task overlay data on a display.
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