4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

Daniel Scott Hedin

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Laser diode driving circuit

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate

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Laser diode driving circuit with safety feature

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate

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Laser safety method and device for duplex open loop parallel...

Coherent light generators – Particular beam control device – Optical output stabilization
Reexamination Certificate

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Laser safety method for DC coupled parallel optical link

Optical communications – Diagnostic testing – Fault location
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2492548

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