Abstract: A device having a dual-inverted L antenna (DILA) and an LC tank circuit configured to improve specific absorption rate (SAR) hotspots. The SAR hotspots are split between a first aperture defined between the DILA and a daughter printed circuit board (PCB), and the second aperture defined between the daughter PCB and a battery casing. A main PCB is coupled to battery by a flexible circuit board (FCB). The DILA is configured to radiate RF energy at a first frequency, and the LC tank circuit is configured to radiate RF energy at a second frequency to improve bandwidth.

Abstract: A system for correcting for frame bending of an augmented reality system is provided. A combination of strain gauges and visual inertial odometry is used to determine strains in the frame. An initial model between strain gauge measurements and actual frame spatial relationships is based on finite element analysis or calibration. During an initial visual inertial odometry data calculation phase, the augmented reality system calculates bending or strains of the frame using strain data from the strain gauges mounted to the frame. Subsequent visual inertial odometry data calculations are used to generate a corrected frame model of the frame. The corrected frame model is used for calculating corrected tracking data and corrected virtual overlays that are used to generate virtual overlays used in an AR experience provided by the augmented reality system.

Abstract: A device having a dual-inverted L antenna (DILA) and an LC tank circuit configured to improve specific absorption rate (SAR) hotspots. The SAR hotspots are split between a first aperture defined between the DILA and a daughter printed circuit board (PCB), and the second aperture defined between the daughter PCB and a battery casing. A main PCB is coupled to battery by a flexible circuit board (FCB). The DILA is configured to radiate RF energy at a first frequency, and the LC tank circuit is configured to radiate RF energy at a second frequency to improve bandwidth.

Abstract: A device having a dual-inverted L antenna (DILA) and an LC tank circuit configured to improve specific absorption rate (SAR) hotspots. The SAR hotspots are split between a first aperture defined between the DILA and a daughter printed circuit board (PCB), and the second aperture defined between the daughter PCB and a battery casing. A main PCB is coupled to battery by a flexible circuit board (FCB). The DILA is configured to radiate RF energy at a first frequency, and the LC tank circuit is configured to radiate RF energy at a second frequency to improve bandwidth.

Abstract: An eyewear device that includes a plurality of SoCs that share processing workload, and a USB port configured to perform low-power debugging and automation of the plurality of SoCs, such as using either a Universal Asynchronous Receiver-Transmitter (UART) or a Serial Wire Debug (SWD). The eyewear includes a USB hub configured such that the USB port can simultaneously communicate with the plurality of SoCs. The USB hub can be shut down to disable the USB hub, and all the SoCs can enter their low-power modes without being kept awake by a persistent USB connection. The eyewear includes a first switch and a control logic, wherein the control logic controls the first switch and enables the USB port to perform low-power debugging and automation of the SoCs. The eyewear further includes a second switch, wherein the control logic controls the second switch to enable the USB port to perform low-power debugging and automation of the SoCs via a processor, or to enable the USB port to control each of the SoCs.

Abstract: An eyewear device that includes a plurality of SoCs that share processing workload, and a USB port configured to perform low-power debugging and automation of the plurality of SoCs, such as using either a Universal Asynchronous Receiver-Transmitter (UART) or a Serial Wire Debug (SWD). The eyewear includes a USB hub configured such that the USB port can simultaneously communicate with the plurality of SoCs. The USB hub can be shut down to disable the USB hub, and all the SoCs can enter their low-power modes without being kept awake by a persistent USB connection. The eyewear includes a first switch and a control logic, wherein the control logic controls the first switch and enables the USB port to perform low-power debugging and automation of the SoCs. The eyewear further includes a second switch, wherein the control logic controls the second switch to enable the USB port to perform low-power debugging and automation of the SoCs via a processor, or to enable the USB port to control each of the SoCs.

Abstract: An eyewear device that includes a plurality of SoCs that share processing workload, and a USB port configured to perform low-power debugging and automation of the plurality of SoCs, such as using either a Universal Asynchronous Receiver-Transmitter (UART) or a Serial Wire Debug (SWD). The eyewear includes a USB hub configured such that the USB port can simultaneously communicate with the plurality of SoCs. The USB hub can be shut down to disable the USB hub, and all the SoCs can enter their low-power modes without being kept awake by a persistent USB connection. The eyewear includes a first switch and a control logic, wherein the control logic controls the first switch and enables the USB port to perform low-power debugging and automation of the SoCs. The eyewear further includes a second switch, wherein the control logic controls the second switch to enable the USB port to perform low-power debugging and automation of the SoCs via a processor, or to enable the USB port to control each of the SoCs.