Take a look at this patent. It is a 2001 patent for tinfoil phonograph and method of recording/playback.
http://www.google.com/patents?vid=USPAT6185179&id=zOEGAAAAEBAJ&printsec=abstract&zoom=4&dq=edison+tinfoil#PPA10,M1 From [email protected] Thu Dec 14 15:52:14 2006 From: [email protected] (Robert Wright) Date: Sun Dec 24 13:12:10 2006 Subject: [Phono-L] Patent Search - tinfoil phonograph References: <003501c71fcf$0ef99f00$6600a...@scott> Message-ID: <[email protected]> I don't get it. What's the difference? How does this one put the soundwaves into the cylinder material? This just seems silly and redundant. What am I missing? ----- Original Message ----- From: "Scott Colgrove" <[email protected]> To: <[email protected]> Sent: Thursday, December 14, 2006 4:27 PM Subject: [Phono-L] Patent Search - tinfoil phonograph Take a look at this patent. It is a 2001 patent for tinfoil phonograph and method of recording/playback. http://www.google.com/patents?vid=USPAT6185179&id=zOEGAAAAEBAJ&printsec=abstract&zoom=4&dq=edison+tinfoil#PPA10,M1 _______________________________________________ Phono-L mailing list [email protected] Phono-L Archive http://phono-l.oldcrank.org/archive/ Support Phono-L http://www.cafepress.com/oldcrank
