Method for identification of different states of water, and sensor arrangement for use in the method
First Claim
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1. A method of identifying various states of water on a surface of a structure, comprising the steps of:
- placing on said surface a sensor element having two ends and being made of an acoustically conductive material;
connecting a transmitter-receiver unit between said two ends of said sensor element;
alternately transmitting acoustic signals to each of said two ends; and
receiving the corresponding acoustic signals from each of said two ends for processing thereof.
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Abstract
A sensor arrangement for identifying various states of water on a surface of a structure, comprises a sensor element and a transmitter-receiver unit. The sensor element, adapted to be placed on the surface, has two ends and is made of an acoustically conductive material. The transmitter-receiver unit is connected between the two ends of the sensor element. The transmitter-receiver unit alternately transmits acoustic signals to each of the two ends and receives acoustic signals corresponding to the transmitted signals from each of the two ends for subsequent processing.
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Citations
24 Claims
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1. A method of identifying various states of water on a surface of a structure, comprising the steps of:
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placing on said surface a sensor element having two ends and being made of an acoustically conductive material; connecting a transmitter-receiver unit between said two ends of said sensor element; alternately transmitting acoustic signals to each of said two ends; and receiving the corresponding acoustic signals from each of said two ends for processing thereof. - View Dependent Claims (2, 3)
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4. A method of identifying various states of water on a surface of a structure, comprising the steps of:
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(a) placing on said surface a sensor element having two ends and being made of an acoustically conductive material; (b) connecting a transmitter-receiver unit between said two ends of said sensor element; (c) transmitting an acoustic signal from said transmitter-receiver unit to a first end of said two ends; (d) receiving a first acoustic signal from said first end, said first received acoustic signal corresponding to said transmitted acoustic signal being reflected from water in various states; (e) receiving a second acoustic signal from a second end of said two ends, said second received acoustic signal corresponding to said transmitted acoustic signal passing through water in various states; (f) repeating the steps (c) through (e) to said second end of said sensor element; and (g) repeating the steps (c) through (f) after a predetermined interval to determine a state of water based on amplitude of said received acoustic signals. - View Dependent Claims (5, 6, 7)
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8. A sensor arrangement for identifying various states of water on a surface of a structure, comprising:
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a sensor element having two ends and being made of an acoustically conductive material, said sensor element adapted to be placed on said surface; and a transmitter-receiver unit connected between said two ends of said sensor element for alternately transmitting acoustic signals to each of said two ends and for receiving the corresponding acoustic signals from each of said two ends for processing thereof. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification