Newsgroups: comp.robotics
Path: brunix!news.Brown.EDU!noc.near.net!uunet!olivea!hal.com!decwrl!csus.edu!netcom.com!nagle
From: nagle@netcom.com (John Nagle)
Subject: Re: Ultrasonic Range Resolution Limit
Message-ID: <nagleC6pv70.Ku4@netcom.com>
Organization: NETCOM On-line Communication Services (408 241-9760 guest)
References: <7415@pdxgate.UUCP>
Date: Sat, 8 May 1993 16:30:36 GMT
Lines: 10

kevins@eecs.cs.pdx.edu (Kevin B. Stanton) writes:
>I'm looking into using an ultrasonic time-of-flight measurement system to
>determine distances to the nearest 1/1000 of an inch.
>Does anyone see anything that would make this task difficult or
>impossible?

       Cybermation (in Virgina) makes ultrasonic gear operating at around
1MHz.  Starting with something like that, you might be able to do it.

					John Nagle
