Path: utzoo!attcan!uunet!samsung!brutus.cs.uiuc.edu!psuvax1!psuvm!psuecl!peg
From: peg@psuecl.bitnet (PAUL E. GANTER)
Newsgroups: sci.electronics
Subject: Ultrasonic SONAR module from TI
Message-ID: <69759@psuecl.bitnet>
Date: 3 Dec 89 17:11:58 GMT
References: <472202ca.20b6d@apollo.HP.COM> <69060@psuecl.bitnet> <12925@fluke.COM>
Distribution: na
Organization: Engineering Computer Lab, Pennsylvania State University
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> }> on their autofocus cameras, and I think for under $200.  But I seem to
> }> recall reading that the range was more like 12" - dozens of feet, with
> }> an accuracy of 1" or worse.  Does anyone know if that's a fundamental

Just happened to run across another sonar module in TI linear databook.
They claim accurate ranging from 6" to 35' w/ accuracy of +- 2% at
one foot or more.  Numbers are SN28827, SN 28828 (different freqs.).

Hope it helps in some minor way!

Paul