4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Condition responsive

Kunio Oi

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Circuit for driving a load by using selectively one of two diffe

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent

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Photoelectrical switching circuit with frequency divider circuit

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent

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Reflection type sensor

Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate

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Profile ID: LFUS-PAI-P-810910

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