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

William Dell

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Apparatus for protecting power transistors in an H configuration

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Optical pattern tracer

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

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Profile ID: LFUS-PAI-P-1142419

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