4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Yukimasa Yamaguchi

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Microphone and microphone system

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent

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Optical reception apparatus using prism having caldera-shaped co

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-1090794

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