4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Carl I. R. Blackwood

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Apparatus and method for ice detection

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Harmonic noise control in chopper type voltage regulators

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent

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Method and apparatus for wind direction and speed in spatial det

Measuring and testing – Navigation – Leeway incidence or side-slip
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Profile ID: LFUS-PAI-P-718812

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