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

Richard E. Spalding

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Method and apparatus for distinguishing actual sparse events fro

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

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Radar transponder apparatus and signal processing technique

Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Combined with primary radar system
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Profile ID: LFUS-PAI-P-397860

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