4. Optics: measuring and testing
  5. By light interference
  6. Having light beams of different frequencies

William Arthur Penn

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Method for sensing acoustic energy

Optics: measuring and testing – For light transmission or absorption
Reexamination Certificate

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Sensor for optically sensing air borne acoustic waves

Optics: measuring and testing – By light interference – Having light beams of different frequencies
Reexamination Certificate

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Sensor for optically sensing air borne acoustic waves

Optics: measuring and testing – By light interference – Having light beams of different frequencies
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2696351

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