| 11. | Corrosion-detecting pigs use either magnetic or ultrasonic sensors.
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| 12. | The ultrasonic sensor enjoys wide popularity due to the powerful mix of low price and high functionality.
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| 13. | He also successfully connected ultrasonic sensors on a baseball cap and experienced a form of extra sensory input.
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| 14. | The stream stage sensors, mounted on bridges and culverts, use ultrasonic sensors to monitor stream and river levels.
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| 15. | The robot uses ultrasonic sensors to avoid any stationary or moving objects that might be in its way.
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| 16. | Whenever reverse gear is engaged, four ultrasonic sensors built into the rear bumper measure the available free space.
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| 17. | Directionality of the ultrasonic sensor in the bat detector can also have a large effect on detection distance.
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| 18. | In conjunction with Lego Mindstorms'NXT Ultrasonic Sensor, the robot can be trained to simultaneously sense and avoid obstacles.
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| 19. | The requirement for electronic signal processing circuitry can be used to make the ultrasonic sensor an intelligent device.
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| 20. | The probe is an ultrasonic sensor, generally known as a transducer, which functions to send and receive acoustic energy.
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