Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1997-03-27
2000-12-12
Mai, Huy
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351210, A61B 314
Patent
active
061588644
ABSTRACT:
An apparatus for phototaking the image of an eye to be examined has an image pickup element for picking up the image of the eye to be examined, a first signal converting system for converting an image signal from the image pickup element into a signal for animated picture display, a second signal converting system for converting the image signal from the image pickup element into a digital image signal, and an image pickup element drive system for executing the drive systems of the image pickup element corresponding to the first and second signal converting systems.
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Kitamura Takeshi
Masuda Takashi
Matsumoto Kazuhiro
Nishihara Hiroshi
Ogawa Tetsuji
Canon Kabushiki Kaisha
Mai Huy
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