Calibration of magnetic and optical sensors in a virtual reality or augmented reality display system
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United States of America Patent
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Dec 20, 2022
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N/A
app pub date -
Oct 15, 2021
filing date -
Sep 26, 2016
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Abstract
A system for calibrating alignment of two or more types of magnetic sensors in a virtual reality (VR) or augmented reality (AR) display device. The system can include a controller, a waveform generator, a magnetic field generating unit, and an electrical driver. The controller can cause the waveform generator to generate a first calibration waveform to calibrate a first type of magnetic sensor in the display device, and to generate a second calibration waveform to calibrate a second type of magnetic sensor in the display device.
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