Patent ID: 9274599
Filing Date: 2016-03-01
CPC Classification: G02B,G06F

Claim Text:
1. A computer-implemented method comprising: while a head-mountable device (HMD) is operating in a locked mode, determining a velocity of the HMD; comparing the determined velocity of the HMD to a threshold velocity; based at least in part on the comparison, selecting a particular eye-scan prompt from a plurality of possible eye-scan prompts; causing a display of the HMD to display the selected eye-scan prompt; in response to the selected eye-scan prompt displayed by the HMD, receiving two-dimensional eye-scan data corresponding to an eye from a first linear sensor and a second linear sensor; determining that the two-dimensional eye-scan data matches predetermined eye-scan authorization data; and responsive to determining that the two-dimensional eye-scan data matches the predetermined eye-scan authorization data, causing the HMD to switch from operating in the locked mode to operating in an unlocked mode, wherein functionality of the HMD is reduced in the locked mode as compared to in the unlocked mode.