RANGE/SENSITIVITY ENHANCER FOR PING TYPE ULTRASONIC SENSOR
A low cost way to wring the maximum performance from your ultrasonic range finder without changing the set-up.
Improves the following performance characteristics:
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The over-all range of the unit
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The directional properties of the unit (senses in the direction pointed)
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The sensitivity of the unit
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Smaller targets can be detected
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Better luck detecting acoustically "soft" targets like cloth, stuffed animals, fur etc.
How to use:
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Simply slip the unit over the case of the transducer for instant improvements over no cone at all
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For a more permanent assembly a piece of tape to increase the friction fit or a dab of glue
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Use one on the receiving transducer for modest gain
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Use one on the transmitter and one on the receiver for maximum gain
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Mix and match with other shaped cones to tailor the gain and directional properties to match your application
*Warning! The range can be increased to the point that detection of "old" ping signals results in erratic readings if range to target and speed of sound is not taken into account.