Detector for detecting electrically conductive material
AssigneeFrauscher Sensortechnik GmbH
InventorGünther MADER
Life of this patent
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Abstract
A detector (10) for detecting electrically conductive material is provided. The detector (10) comprises at least one transmitter (11) having a transmitter coil (12) and a supply source (13), a receiver (14) having a receiver coil (15), and an evaluation unit (16), wherein the transmitter coil (12) is connected to the supply source (13), the supply source (13) is configured to provide an alternating voltage or an alternating current when in use, the receiver (14) is designed as a resonant-circuit-free receiver, the receiver (14) is connected to the evaluation unit (16), and the evaluation unit (16) is configured to detect a signal induced in the receiver coil (15).
Claims19
A detector for detecting electrically conductive material, the detector comprising:
- at least one transmitter having a transmitter coil and a supply source,
- a receiver having a receiver coil, and
- an evaluation unit, wherein
- the transmitter coil is connected to the supply source,
- the supply source is configured to provide an alternating voltage or an alternating current when in use,
- the receiver is designed as a resonant-circuit-free receiver,
- the receiver is connected to the evaluation unit, and
- the evaluation unit is configured to detect a signal induced in the receiver coil.
A detector for detecting electrically conductive material, the detector comprising:
- at least one transmitter having a transmitter coil and a supply source,
- a receiver having a receiver coil, and
- an evaluation unit, wherein
- the transmitter coil is connected to the supply source,
- the supply source is configured to provide an alternating voltage or an alternating current when is use,
- the receiver is designed as a resonant-circuit-free receiver,
- the receiver is connected to the evaluation unit,
- the evaluation unit is configured to detect a signal induced in the receiver coil,
- the receiver has an additional receiver coil,
- the receiver coil and the additional receiver coil have the same construction and the same winding direction,
- the evaluation unit has a differential amplifier, and
- a controller is connected to the differential amplifier.
Dependencies are inferred from the claim text.