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Focus adjustment method and apparatus
专利权人:
Intel Corporation
发明人:
I-Chun Huang
申请号:
US15393687
公开号:
US10448824B2
申请日:
2016.12.29
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Methods, apparatus, and system for a virtual reality device including a display monitor, an adjustable lens, and a focus sensor. The focus sensor may be used to measure a distance between an eye and the display monitor or whether the eye is able to focus images from the display monitor. The user may provide a diopter correction. The VR device may then adjust an optical power of the adjustable lens, based on at least one of the distance or whether the eye is able to focus images from the display monitor. The focus sensor may emit coded electromagnetic radiation and determine a time-of-flight of the coded electromagnetic radiation to determine the distance or whether the eye is able to focus images from the display monitor. The adjustable lens may comprise a flexible lens; the flexible lens may be adjusted with actuators, such as piezoelectric actuators.
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