4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controlled circuit

Takafumi Katayama

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Image forming apparatus with operation disabling feature

Electrophotography – Machine operation – Operator interface
Reexamination Certificate

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Sheet conveying apparatus having supported openably upstream...

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3020930

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