Yukiyasu Nishikawa

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Device for detecting blinking of an eye under examination

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
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Exposure information quantizing circuit utilizing shift register

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Exposure-time control system having a closed-loop circuit arrang

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Eye refractive error measuring device

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
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Method and device for measuring eye refraction errors

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
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Profile ID: LFUS-PAI-P-801958

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