4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Signal isolator

Kazuya Uekawa

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Load control device

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Reexamination Certificate

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Optically coupled device with high current protection

Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent

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Optocoupler having normally-on driving element

Radiant energy – Photocells; circuits and apparatus – Signal isolator
Reexamination Certificate

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Profile ID: LFUS-PAI-P-540631

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