4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Signal selection based on frequency

Yoshihiro Sampei

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Optical communication system

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent

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Optical frequency domain reflectometer for use as an optical fib

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

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Optical spectrum analyzer and spectrometer

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent

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Optical-fiber inspection device

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

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Profile ID: LFUS-PAI-P-696187

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