Sensor for detecting fog-like media
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Abstract
The invention relates to a sensor for detecting fog-like media, comprising at least two emitters and at least one receiver, whereby the emission axes intersect with the receiver axis at two different positions. The inventive sensor also comprises an evaluation unit that detects the medium when the receiver receives signals emitted by both emitters.
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Citations
48 Claims
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1-16. -16. (canceled)
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17. A sensor for detecting a fog-like medium, the sensor comprising:
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a first transmitter for transmitting first signals along a first transmission axis and towards the fog-like medium;
a second transmitter for transmitting second signals along a second transmission axis and towards the fog-like medium;
a receiver for receiving said first and said second signals subsequent to interaction with the fog-like medium, said receiver receiving said first and said second signals along a receiver axis, wherein said receiver axis intersects said first transmission axis at a first point of intersection and said receiver axis intersects said second transmission axis at a second point of intersection; and
an evaluation unit communicating with said receiver to detect the medium in response to reception of said first and said second signals. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method for detecting a fog-like medium, the method comprising the steps of:
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a) transmitting first signals along a first transmission axis and towards the fog-like medium;
b) transmitting second signals along a second transmission axis and towards the fog-like medium;
c) receiving said first and said second signals along a receiver axis and subsequent to interaction with the fog-like medium, wherein said receiver axis intersects said first transmission axis at a first point of intersection and said receiver axis intersects said second transmission axis at a second point of intersection; and
d) communicating with said receiver to detect the medium in response to reception of said first and said second signals. - View Dependent Claims (29, 30, 31, 32)
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33. A sensor for detecting a medium, the sensor comprising:
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a transmitter for transmitting signals along a transmission axis and towards the fog-like medium;
a first receiver for receiving said signals subsequent to Interaction with the fog-like medium, said first receiver receiving said signals along a first receiver axis, wherein said first receiver axis intersects said transmission axis at a first point of intersection;
a second receiver for receiving said signals subsequent to interaction with the fog-like medium, said second receiver receiving said signals along a second receiver axis, wherein said second receiver axis intersects said transmission axis at a second point of intersection; and
an evaluation unit communicating with said first and said second receivers to detect the medium in response to reception of said signals in said first and said second receivers. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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44. A method for detecting a fog-like medium, the method comprising the steps of:
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a) transmitting signals along a transmission axis and towards the fog-like medium;
b) receiving said signals subsequent to interaction with the fog-like medium along a first receiver axis, wherein said first receiver axis intersects said transmission axis at a first point of intersection;
c) receiving said signals subsequent to interaction with the fog-like medium along a second receiver axis, wherein said second receiver axis intersects said transmission axis at a second point of intersection; and
d) detecting the medium in response to reception of said signals. - View Dependent Claims (45, 46, 47, 48)
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Specification