4. Geometrical instruments
  5. Indicator of direction of force traversing natural media
  6. Level or plumb, terrestrial gravitation responsive

Hiroshi Iiyama

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Acceleration switch

Electricity: circuit makers and breakers – Special application – Change of inclination or of rate of motion responsive
Patent

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Angle change detector

Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent

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Angle change detector

Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent

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Angle sensor

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

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Inclinometer

Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent

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Profile ID: LFUS-PAI-P-228085

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