Harald Bode Patent (was Re: Another kind of Phasing)

[Sean Costello]

At 04:25 PM 1/13/98 -0800, you wrote:

>A barber pole phase shifter is where you have two or three parallel
>phase shift stages, a multi-phase LFO controlling them and an
>electronic fader fading between them all to make a phase shifter that
>would appear to go up (or down) forever.  The notches travel up in
>pitch, and as they get higher they fade out and new notches fade in at
>low pitches.
>
>I don't know if anybody has actually built one of these beasts.  I've
>always wanted to, it's been one of my dream projects for a while, but
>I've never had the time.

Check http://www.patents.ibm.com/, and look for patents by Harald Bode (not
HarOld, as I thought, but HarAld).  He has one which may just be the
infamous Barberpole phaser.  The number is 4399326.  I'd download it, but I
have to head out to see "Stomp" with my girlfriend.  Let me know if the
patent seems useful.

Sean Costello