Distance measuring device and method for determining a distance
AssigneeMikrowellen-Technologie und Sensoren GmbH
InventorGunther Trummer
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Abstract
Described is a distance-measuring device and a method for determining a distance, which uses a sensor in the form of a cavity resonator to continuously perform a distance determination and allows diverse possible uses.
Claims36
Distance-measuring device with a sensor and an evaluation electronics unit for measuring distance to an object, wherein the sensor has a resonator in the form of a cavity resonator with a resonator housing, the resonator having a first surface for facing the object, a second surface being metallized, and a coplanar slot coupling with in-coupling line, and the in-coupling line being terminated at the resonator housing.
Distance-measuring device with a sensor and an evaluation electronics unit for measuring distance to an object, wherein the sensor has a resonator in the form of a cavity resonator with a resonator housing, the resonator having a first surface for facing the object, a second surface being metallized, and a microstrip line for the in-coupling, the microstrip line being terminated at the resonator housing.
Method for determining a distance to an object, comprising:
- (a) providing a sensor and an evaluation electronics unit, the sensor including a cavity resonator with a resonator housing, the resonator having a first surface for facing the object. a second surface being metallized, and a coplanar slot coupling with in-coupling line, the in-coupling line being terminated at the resonator housing;
- and
- (b) determining the resonance frequency of the cavity resonator in order to determine the distance to the object.
A device for measuring the distance to a conductive object, comprising:
- (a) a resonator including a housing and a dielectric for detecting generating an electromagnetic wave in the presence of the conductive object, having a first surface for facing the object for measurement and a second surface being metallized;
- and
- (b) an electronics unit attached to resonator and including a substrate adapted to couple electromagnetic waves generated by the resonator.
Dependencies are inferred from the claim text.