作者: Hayes Solos Raffle , Simon Robert Prakash
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摘要: Example embodiments include a lens having an IR-reflective coating that is selectively applied to form variable infrared (IR) interaction pattern on the lens. The IR may vary in manner it interacts with wavelengths, so as provide machine-readable code when illuminated by light. Accordingly, patterns be used identify particular lenses. glasses-style, modular, head-mountable device (HMD) which of number different possible lenses are currently attached HMD, and update certain processes according or attached. For example, HMD calibrate eye-tracking process