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US Patent 10997949 Time synchronization between artificial reality devices

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
10997949
Date of Patent
May 4, 2021
Patent Application Number
16737778
Date Filed
January 8, 2020
Patent Citations
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US Patent 10714055 Systems and methods for display synchronization in head-mounted display devices
Patent Citations Received
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US Patent 11990989 Synchronizing systems-on-chip using GPIO timestamps
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US Patent 11907143 Method and device for timestamping and synchronization with high-accuracy timestamps in low-power sensor systems
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US Patent 12105553 Synchronizing systems on a chip using a shared clock
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US Patent 12021611 Synchronizing systems-on-chip using GPIO timestamps
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US Patent 11775005 Synchronizing systems on a chip using a shared clock
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US Patent 11784619 Disciplining crystals to synchronize timing of independent nodes
Patent Primary Examiner
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Sanjiv D. Patel
Patent abstract

An artificial reality system includes a head-mounted display (HMD) configured to output artificial reality content, wherein the HMD includes a first wireless transceiver to communicate with one or more devices of the artificial reality system; a peripheral device of the one or more devices of the artificial reality system configured to capture media samples for the HMD to output the artificial reality content, wherein the peripheral device includes a second wireless transceiver to communicate with the HMD; a clock manager of the HMD configured to compute a first delta between a timestamp of the HMD and a timestamp of the first wireless transceiver; and a clock manager of the peripheral device configured to compute a second delta between a timestamp of the peripheral device and a timestamp of the second wireless transceiver, wherein the first delta and the second delta are used to adjust a clock of the peripheral device.

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