Measurement of angle rotation using microstrip resonators...

Details Measurement of angle rotation using microstrip resonators... Measurement of angle rotation using microstrip resonators...

2005-11-29

2005-11-29

Chau, Minh (Department: 2854)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Distributive type parameters

C324S644000, C333S204000

Reexamination Certificate

active

06969998

ABSTRACT:
The present invention relates to a measuring device and a method for contactless detection of an angle of rotation or a torsional rotation. The measuring device includes a first resonator (2) and a second resonator (4). The two resonators (2, 4) have an essentially circular circumference, on which at least one protrusion and/or one recess is disposed. The two resonators (2, 4) are coplanar to one another and are also rotatable relative to one another. In addition, an exciter device (6) for exciting the resonators and a receiver device (6) for measuring a backscattered signal are present. Upon a relative rotation of the two resonators (2, 4) to one another, the resonant frequency changes, which is used as a measure for ascertaining the angle of rotation.

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