[sdiy] SSM2040 vs CEM3320

[Neil Johnson]

Hi,

Andrew Simper wrote:
>
> And a few patents referenced in the articles:
>
> Embley:
> https://patents.google.com/patent/US3532868A/en
>
> Buff:
> https://patents.google.com/patent/US4341962A/en
>
> Blackmer:
> https://patents.google.com/patent/US3714462A/en
> https://patents.google.com/patent/US4403199A/en

If you're hunting for patents to understand the SSM2040 then you could
start with the original patent:
https://patents.google.com/patent/US3969682A/en

For fans of the SSM2044:
https://patents.google.com/patent/US4404529A/en

Neil