Method and apparatus for measuring differential magnitudes
Abstract
Abstract A METHOD AND APPARATUS FOR MEASURING DIFFERENTIAL MAGNITUDES BETWEEN TWO PREDETERMINED LIMIT VALUES WITH A COMPARATOR THE METHOD COMPRISING A FIRST MEASURING OF THE SURFACE OF THE OBJECT UNDER STUDY TO CALIBRATE THE COMPARATOR SO THAT THE SELECTED LIMIT VALUE FROM WHICH THE DIFFERENTIAL WILL BE MEASURED COINCIDES WITH THE PREDETERMINED BASE VALUE AND THEN CONDUCTING A SECOND MEASURING TO DETERMINE THE DIFFERENTIAL OF THE SURFACE FROM THE SELECTED LIMIT VALUE, THE APPARATUS COMPRISING THREE SENSING ELEMENTS OPERATIVELY CONNECTED TO THE COMPARATOR, TWO OF THE ELEMENTS NORMALLY BEING HELD AGAINST RELATIVE MOVEMENT BUT ACTIVATED BY TWO RESILIENT ELEMENTS ONE OF WHICH IS ADAPTED TO OVERCOME THE RESISTANCE TO RELATIVE MOVEMENT OF THE TWO SENSING ELEMENTS, THE OTHER RESILIENT ELEMENT ADAPTED TO MAINTAIN THE THIRD SENSING ELEMENT IN CONTINUOUS CONTRACT WITH THE OTHER TWO SENSING ELEMENTS.
Inventors
- 👤 Valerio Ciampolini
Bibliographic Details
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