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From: nagle@netcom.com (John Nagle)
Subject: Re: Sonar sensor question
Message-ID: <nagleDBoyFF.7z1@netcom.com>
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Date: Fri, 14 Jul 1995 05:40:27 GMT
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James Ryan Miller <jmce+@andrew.cmu.edu> writes:
>  In using the standard Polariod sonar ranging module, what will be the
>response of aiming it at a wall at a non-90 degree angle (say 45)? 
>Should I expect to get the distance to the point on the wall straight
>ahead of the sensor or perhaps a closer point?

     You'll usually get the nearest object within a 15-20 degree cone,
except that specular surfaces like glass or most surfaces at glancing
angles act as mirrors.

					John Nagle
