Filter device for filtering a supply voltage of an ultrasonic sensor of a motor vehicle, ultrasonic sensor device and motor vehicle
AssigneeValeo Schalter und Sensoren GmbH
InventorErich Mok
Life of this patent
Estimating the term…
Abstract
The invention relates to a filter device (9) for filtering a supply voltage (Ub) of an ultrasonic sensor (10) of a motor vehicle (1), wherein the filter device (9) is electrically connectable on the input side to a voltage source (8), which provides the supply voltage (Ub), and on the output side to the ultrasonic sensor (10) and wherein the filter device (9) comprises a low-pass filter with a resistor (R1) and a capacitor (C1), wherein the filter device (9) comprises a diode (D2), which is connected in parallel with the resistor (R1).
Claims8
A filter device for filtering a supply voltage (Ub) of an ultrasonic sensor of a motor vehicle, wherein:
- the filter device is electrically connectable on an input side to a voltage source, which provides the supply voltage (Ub), and on an output side to the ultrasonic sensor,
- the filter device comprising a low-pass filter with a resistor (R1) and a capacitor (C1), wherein the filter device comprises a diode (D2) connected in parallel with the resistor (R1).
Dependencies are inferred from the claim text.