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Asymmetric aperture for eyetracking
专利权人:
LC Technologies; Inc.
发明人:
Dixon Cleveland
申请号:
US15345784
公开号:
US09563104B1
申请日:
2016.11.08
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An asymmetric aperture device for a camera is provided that improves light gathering properties by increasing both the light gathering opening of the aperture and the number of light producing light sources placed on the aperture. An asymmetric aperture design is provided that utilizes a significantly larger portion of the camera lens. The tradeoff between the competing objectives of maximizing camera depth of field and maximizing the production of useful focus-condition information within the camera image is optimized. More illumination is provided without significantly increasing the lateral size of the illuminator pattern.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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