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

Ghislain Vaudreuil

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Acoustic detection of cracks in metal pieces

Measuring and testing – Vibration – By mechanical waves
Patent

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Method and apparatus for detecting the presence of flaws in a mo

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

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Method and apparatus for evaluating the degree of cure in polyme

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent

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Optical device for measuring the diameter and detecting surface

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

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Profile ID: LFUS-PAI-P-682887

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