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Ophthalmic photographing apparatus
专利权人:
Mitsuo Yamamoto;Seiji Taki;Norimasa Satake
发明人:
Mitsuo Yamamoto,Seiji Taki,Norimasa Satake
申请号:
US12801282
公开号:
US08540368B2
申请日:
2010.06.01
申请国别(地区):
US
年份:
2013
代理人:
摘要:
An ophthalmic photographing apparatus including an interference optical system for dividing light from a first light source into measurement light and reference light, directing measurement light to a fundus and reference light to a reference optical system, and photo-receiving by a first photodetector interference light, a first optical scanner disposed in a measurement light optical path and scanning measurement light in two dimensional directions, a driving unit moving an optical member in an optical path of measurement light or reference light to change an optical path length, a control unit controlling the driving unit to adjust an optical path length difference, controlling the optical scanner to scan measurement light at a given photographing view angle, and obtaining a tomographic image based on a photodetector signal, and a calculation unit converting a photographing range into an actual distance based on optical member positional information and view angle information.
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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