Patent violations?!

[Jules Ryckebusch]

The Aphex patent was dated 1976 or 1977. BTW they are good for 17 years.
Although I know Aphex has filed derivative patents etc.

Jules

Paul Perry wrote:

> At 12:18 PM 11/05/00 -0700, you wrote:
> >I published the "build a ten dollar harmonic sweetener" in Electronic
> Musician in
> >1987. Technically it close enough to the Aphex Aural Exicter
>
> Can you remember the date on the AExiter patent?
> Maybe we cd all go into production on the date it lapses!
>
> And, what was the actual claim of the patent?
> A friend did some work building a version of this & concluded that the
> key, in a practical sense, was in recombining the distorted & original
> signals so
> that there was no cancellation. Which requires some tricky phase shifting.
> But, if it is done in DSP, it is much easier.
> Although as Jules showed, you can get something useful for $10.
>
> paul perry melbournhe australia
> BTW since in Western law the opposing parties are supported by two lawyers
> each of whom say the law supports their own side, the sum knowledge of
> lawyers is zero.