Forgot to ask... just out of curiousity does Northwestern hold some kind of patent on the loudness switch then ?? Are they making tons of money on this invention ? This was a government sponsered study was it not ? If I had a dollar for every one of those thingys installed...grin. Cheers ! RicB JStan40@AOL.COM wrote: > > > David, et al, > > Many years > ago my then-wife was working in an Industrial Engineering > department at Northwestern University. One of the > professors there had been a graduate student assisting in > the Fletcher-Munson studies, which are known to most of us > for having led to the development of the Loudness Contour > switch on our stereo sets--you know, the one we switch on > and leave on all the time? > Stan Ryberg > Barrington IL > Associate > mailto:jstan40@aol.com
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