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- Path: sparky!uunet!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!uwm.edu!ogicse!emory!athena.cs.uga.edu!mcovingt
- From: mcovingt@athena.cs.uga.edu (Michael A. Covington)
- Newsgroups: sci.electronics
- Subject: Re: Sound-powered telephones
- Message-ID: <1992Aug18.031748.23105@athena.cs.uga.edu>
- Date: 18 Aug 92 03:17:48 GMT
- References: <Bt5Gry.871@usenet.ucs.indiana.edu>
- Organization: University of Georgia, Athens
- Lines: 12
-
- In article <Bt5Gry.871@usenet.ucs.indiana.edu> commgrp@silver.ucs.indiana.edu (BACS Data Communications Group) writes:
- >You can make sound-powered telepones from "piezoelectric speaker
- >elements" available at Irish Electronics (Ray D. O'Shack :-), part #
- >273-091 ($2.49). Just connect one to each end of a pair of wires.
- >It's a great toy for kids, and may have "real" applications too.
-
- I'll bet they would also make excellent high-impedance earphones for
- crystal radios.
- --
- + Michael Covington - Artificial Intelligence Programs - U of Georgia - USA
- + Unless otherwise noted, these are private opinions, not official statements.
- + VOTE NO GEORGIA LOTTERY - don't tie education to an unpredictable income.
-