4. Television
  5. Stereoscopic
  6. Endoscope

David F. Schaack

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Apparatus and method for making accurate three-dimensional size

Image analysis – Applications – 3-d or stereo imaging analysis
Patent

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Eliminating routine alignment calibrations in perspective dimens

Television – Stereoscopic – Endoscope
Patent

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Focusing systems for perspective dimensional measurements...

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Focusing systems for perspective dimensional measurements...

Optical: systems and elements – Lens – With light limiting or controlling means
Reexamination Certificate

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Focusing systems for perspective dimensional measurements...

Television – Special applications – With endoscope
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1220484

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