Subject:
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Re: Ultrasonic proximity sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 21 Nov 2003 13:15:27 GMT
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Original-From:
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Jim Choate <ravage@einstein.!nomorespam!ssz.com>
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Viewed:
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982 times
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On Fri, 21 Nov 2003, Mark Tarrabain wrote:
> (btw, what frequencies do bats use?)
Many different ones, ranging from clearly audible to much more than 40kHz.
Depends on what they're doing.
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James Choate 512-451-7087 ravage@ssz.com jchoate@open-forge.com
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