Double-inverting Cut/Boost network patent

[atavacron]

This cut/boost structure -



- explained in detail by Dennis Bohn (Rane), and used most famously (‘round here) as the backbone for the Barry Porter NetEQ, came originally (maybe) from a patent filed by Kenneth Gundry for Dolby in the early 1970s. Granted in 1976 as GB1452920A.

I can’t find the actual PDF, just the abstract, and this:



Does anyone have the whole filing?

 

[Ó Draighnáin]

See attached:

 

[atavacron]

See attached:

Baller! Cheers.

 

[JohnRoberts]

I published my Parametric Equalizer kit article in 1979 (Popular Electronics). I was not aware of any patents.

JR