Author Topic: difference between standard ultra sonic sensors & polaroid ultrasonic sensors  (Read 1792 times)

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Offline rahul@xpltechTopic starter

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difference between standard ultra sonic sensors & polaroid ultrasonic sensors
« on: March 05, 2012, 11:14:33 PM »
what is the difference between standard ultra sonic sensors(small piezoelectric ones that are commonly used) and  polaroid ultrasonic sensors found on high end robot models.Are they more accurate?What about price?
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