Musical Soundwaves

[Richard Brekne]

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