Category Archives: Tutorial

New U.S. Patent filed & background published

Yesterday, I filed my 3rd Non-Provisional Patent Application, and today published the background theory for it at: https://www.researchgate.net/publication/323686205_Making_Guitars_with_Multiple_Tonal_Characters   The patent involves matched, single-coil pickups for humbucking circuits with reversible magnetic poles. I have a new area for publications of papers … Continue reading

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On the Topologies of Guitar Pickup Circuits

How do you get 620 potentially unique guitar tones from 4 single-coil pickups, or 310 from 3 humbuckers? Read here: https://www.researchgate.net/publication/323390784_On_the_Topologies_of_Guitar_Pickup_Circuits Abstract: Many of the U.S. patents involving switching circuits for electric guitar pickups have failed in the marketplace because … Continue reading

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The Walkin Squawkin Patent Examiner Blues – Part 1

I got this in an e-mail from my U.S. Patent Office Patent Examiner on Jan 24th, 2018: “I cannot conceive of any way to generate an “infinite” (your word) table that would accommodate the breadth of claim 28. You mentioned … Continue reading

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Why guitar pickup switching patents fail in the marketplace

I’ve reviewed some more guitar pickups switching patents lately, and most if not all of the ones I’ve seen suffer design flaws that generally cause them to fail in the marketplace, for some of the following reasons: They almost never … Continue reading

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Theory has to be tested

I used to work in numerical modeling – a computer algorithm approximating an ideal equation approximating a physical process.  One of my best papers demonstrated that for decades other Ph.D.s had been using approximations that produced non-physical results even in … Continue reading

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How many humbucking tones from 2HB & a single?

It has taken a long time to develop the math and topologies to answer questions like this.  Research is when you search for an answer, get it wrong, or not entirely right, and re-search and re-search and re-search …    I’ve … Continue reading

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Second Patent Filed

Second Patent Filed: Combinations of Pickups with Potentially Unique Tones – Patent filed June 7, 2017 developing the math and circuit topologies to show how many different tones are possible from 1 to 8 single-coil pickups (Table 1), 1 to … Continue reading

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Searching for articles on custom knobs

Do you see that little “Search” box to the right?  All of the custom wood guitar knobs shown here have serial numbers, up to 287 at this point.  And except for one cited as an “unknown” (white) wood, most all … Continue reading

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Patent Pending Dual Humbucker Switching Beats 3-way Switch

See  Preliminary Results of Patent Pending 20-way Dual Humbucker Switching

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Tutorial on Rewiring 2-wire Humbuckers to 4 + Shield

Click Here for Tutorial The mounts shown are 1/8″ thick Brazilian Cherry, sized to cover the holes in a pick guard made for full size humbuckers.

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