FAQ discussion

[DrStrangelove]

There - fixed it for you

(grumble)

Yeah, I'm surprised we don't get a little more traffic/help.
I just found another 50 patents to add to the list.

At some point, a few people need to help classify them
as to pickup type so that they can be referenced on
the as-yet-uncreated single/P90/stacked/PAF/Blade/saddlebag/bass/other
pickup type pages.

In other news,
Every time I see another wire vendor mentioned, I add them to the vendor lists.

-drh

[Sock Puppet]

(grumble)

Yeah, I'm surprised we don't get a little more traffic/help.

I must have missed something but that's nothing new...

It took me a half an hour to add two, I backed it up on my computer in case someone else was editing at the same time.

That cell structured thing you have looks a lot better.

S.

[DrStrangelove]

174 pickup patents in a spreadsheet

First, thanks for helping out.

The pickup patent list lacks titles in about 70 cases.
I need help filling it in.
It is in CSV format so anyone can import it.
We can merge changes later

Get it here:
http://www.salvarsan.org/download/PickupPatents.csv


If you want to add a patent to the Wiki table, use the Wiki markup language.
I changed it from HTML to simplify editing.

An entry for Larry's patent that looks like this

444274 Apr 1984 DiMarzio Electrical pickup for a stringed instrument having ferromagnetic strings

has a markup like this:

|-
|4442749
|Apr 1984
|DiMarzio
|Electrical pickup for a stringed instrument having ferromagnetic strings
|-

Leave the USPTO patent URL for me to fill in later if composing the link
is too much trouble, which it almost is.

Thanks again,
-drh


-drh

[David King]

Hey, you guys are great!

I have some really exciting data on guitar and bass pickups that needs to be re-formulated for a web page from an excel spreadsheet but there are too many cells to fit in a browser window across side to side...

Please look this over and let me know what would make a reasonable presentation. There are also photos and magnetic scans of each pickup and sillyscope graphs of frequency response over the sound spectrum. This is extraordinary data for literally hundreds of pickups but it need a better interface for presentation on the web. The scanning is an on-going project too so we can keep adding to the list.

(I'll send you the xls doc via email, just ask via PM) I need a real email address in order to send an attachment...

[bbsailor]

Sample Web Site with Resources

If you want to post patents as a prime resource, check out the following web site about metal detecting to see how this webmaster integrated patents.

http://geotech.thunting.com/cgi-bin/...&file=main.dat

The geotech metal detecting forum is very active and has the kind or resources that this Music Electronics Forum could evolve into. Once an issue had been "beaten to death and resolved" a summary of the collective wisdom could be posted in a pdf format to be downloaded as a useful resource. One of my pulse induction (PI) coil articles is posted on this web site and answers a lot of questions that many people have who want to design their own PI coils. http://geotech.thunting.com/cgi-bin/...oils/index.dat This is just a thought to help this forum evolve.

Joseph Rogowski

[David Schwab]

I can give my list of patents, which are actually a bunch of folders with PDF files. I don't have time (or energy) to sort them into the Wiki however....

Aaroe
4372186

Bartolini
3983778
3983777

Beauchamp
2089171 (Beauchamp)

Beller
7166793 (Kevin Beller)
d355207 (Beller JB Jr)
5525750 (Beller duck bucker)
5148733 (Beller trem bucker)

Broussard
3544696

Burns
3249677

Butts
2892371

Clevinger
4499809 (Clevinger)
4408513 (Clevinger)

Dan Armstrong
4283982

De Armond
2909092

Devers
20020020281
6846981 (stack)

DiMarzio
5399802
4133243
5530199
4320681
5111728
4501185
5945632
5811710
4442749
5908998
4295404

Duncan
4524667

Fender
4220069
6291758 (Turner/Fender)
6291759 (Turner 2001 stack)
6291759 (Turner/Fender)
3177283 (Leo Fender)
4220069 (G&L pickup)
3177283 (split coil)

Freeman
3657461

Gibson
3911777
5136918
6372976
2737842 (Les Paul tailpiece)
2087106 (CC pickup)
7166794 (Gibson hex pickup)
6849792

Kinman
5668520
7189916
7022909
6103966
5834999
20060112816
20020083819

Lace
6111185
5430246
5464948
5641932
5438157
5336845
5831196
5767431
5684263
6965066
4809578
6897369

Melvin Lace
5408043
5422432

Lesti (1936)
RE20070 (electromagnet)

Lover
2896491

Ovation
4188849

PRS
d520048
20050150364 (PRS)
20050150365 (PRS)

Rickenbacker/Beauchamp
2089171 (horseshoe)

Rowe
3541219

CW Russell (1941)
2262335

Stich
5789691(stack)
4151776 (S3)
5376754 (closed circuit coil)
3915048 (circuit)
4364295 (L-500)
3711619 (coax coils)
d279380
3902394 (tbird pu)
3916751 (ripper)

Valdez
4222301

Zoller
3588311

Zwaan (Q-Tuner)
5354949

I have others that are unsorted... many of these are duplicates to the above.

1 7,189,916 Noise sensing bobbin-coil assembly for amplified stringed musical instrument pickups
2 7,166,793 Compact hum-canceling musical instrument pickup with improved tonal response
3 7,022,909 Noise sensing bobbin-coil assembly for amplified stringed musical instrument pickups
4 6,525,258 Electromechanical musical instrument pickup
5 6,476,309 Magnetic pick-up device for stringed musical instrument
6 5,932,827 Sustainer for a musical instrument
7 5,908,998 High inductance electromagnetic pickup for stringed musical instruments
8 5,811,710 Electromagnetic pickup for stringed musical instruments
9 5,684,263 Electromagnetic sensor assembly for musical instruments having a magnetic lining
10 5,641,932 Sensor assembly for stringed musical instruments
11 5,530,199 Electromagnetic pickup for stringed musical instruments
12 5,464,948 Sensor assembly for a stringed musical instrument
13 5,438,157 Acoustic pick-up assembly for a stringed musical instrument
14 5,430,246 Dual coil pick-up assembly for a springed musical instrument
15 5,422,432 Electromagnetic pickup for a plural-string musical instrument incorporating a coil around a multi-laminate ferromagnetic core
16 5,418,327 Mounting assembly
17 5,408,043 Electromagnetic musical pickups with central permanent magnets
18 5,401,900 Mounting assembly for an acoustic pick-up
19 5,399,802 Electromagnetic pickup for stringed musical instruments
20 5,391,831 Electromagnetic musical pickup having U-shaped ferromagnetic core
21 D354,507 Pickup unit for a stringed musical instrument
22 5,376,754 Pickup apparatus, having a winding with an adjacent closed circuit, for stringed musical instruments
23 5,336,845 Pick-up assembly for a stringed musical instrument
24 5,290,968 Magnetic pickup for musical instruments
25 4,941,388 String vibration sustaining device
26 4,809,578 Magnetic field shaping in an acoustic pick-up assembly
27 4,501,185 Transducer for stringer musical instrument
28 4,320,681 Electromagnetic pickup device
29 4,261,240 Oscillating electromagnetic transducer for generating tremolo
30 4,222,301 Magnetic pickup arrangement for stringed musical instrument
31 4,220,069 Electromagnetic pickup for stringed musical instruments
32 4,188,849 Pickup for stringed musical instrument
33 4,184,399 Magnetic pickup assembly
34 4,143,575 Electronic sound generating system for a stringed musical instrument
35 4,133,243 Electric pickup
36 4,026,178 Magnetic pickup for stringed musical instrument
37 4,010,334 Moving magnet contact acoustic transducer
38 3,983,777 Single face, high asymmetry variable reluctance pickup for steel string musical instruments
39 3,962,946 Magnetic induction stringed instrument pickup
40 3,902,394 Electrical pickup for a stringed musical instrument
41 3,742,113 STRINGED MUSICAL INSTRUMENT WITH ELECTRICAL FEEDBACK
42 3,715,446 MAGNETIC PICKUP FOR STRINGED MUSICAL INSTRUMENTS
43 3,657,461 SINGLE PICKUP FREQUENCY CONTROL FOR STRINGED INSTRUMENT
44 2,896,491 84/725 984/368

[Dave Kerr]

Regarding classifying patents into pickup type - would it make sense to add a column to the tabular format now before the list expands much more? Or is there a better solution that's escaping me (likely)?

[David Schwab]

Hey, on the Wiki, it lists "Alumitone by Agi-Lace US Patent 6,897,369 Sensor assembly for stringed musical instruments (Lace, 2005)"

That's not the Alumitone. It doesn't even look like it.

The Alumitone patent is actually the two Transsensor patents:

5831196
5767431

6897369 is derived from those two, but is something totally different, having a central blade pole.

The main difference between the Transsensor and Alumitone is what they are made out of. The Transsensor is copper.

[David King]

Dave Kerr has an excellent point re the coil type column now rather than later..

Or we could just group them by type but what about stuff that falls between the type cracks?

If a wiki can do tables can it do sorting via server side includes..

[DrStrangelove]

Fixing the Alumitone wiki ref

Hey, on the Wiki, it lists "Alumitone by Agi-Lace US Patent 6,897,369 Sensor assembly for stringed musical instruments (Lace, 2005)"
That's not the Alumitone. It doesn't even look like it.
The Alumitone patent is actually the two Transsensor patents:
5831196
5767431

6897369 is derived from those two, but is something totally different, having a central blade pole.

Dave,
Please read this
http://music-electronics-forum.com/showpost.php?p=41973

...and log in before you make the edit, please.
It's easier than you think.

-drh

[DrStrangelove]

Proliferation of table fields and server-side sorting

Dave Kerr has an excellent point re the coil type column now rather than later..

Or we could just group them by type but what about stuff that falls between the type cracks?

If a wiki can do tables can it do sorting via server side includes..

Yes, we can put in more table columns.

That's why I made the patent list into a .csv data file.
Using Open Calc (open office) I can sort it, make sublists,
add columns trivially, then turn it into a HTML, or write an application
that generates wiki markups from .csv data files.

Again, the pickup patent list is available at
http://www.salvarsan.org/download/PickupPatents.csv

Those are the tools I know for now, until one of us figures
how to do server-side sorts on demand, although that could
be a web app off-site from the wiki.

-drh

[David Schwab]

Dave,
Please read this
http://music-electronics-forum.com/showpost.php?p=41973

...and log in before you make the edit, please.
It's easier than you think.

-drh

[grumble]... OK I'll do that today. Been having an awful time with my DSL the past week... seems to be working now for more than five minutes at a time...

[Dave Kerr]

OK, I added Dave S's lists in shell form, dates, patent holders etc to be added/cleaned up/ verified as required.

[DrStrangelove]

Pickup specs

The average noob will want specs for pickups through the ages.
It may be time to start a list of pickups according to core + bobbin dimensions,
and windings.

I have put up a table of pickup wind counts.
It is inaccurate.
Needs checking, magnet types, addition of more bass pickups, etc.

See http://www.pickupedia.info/index.php/Specifications

-drh

[DrStrangelove]

Magnet Specs

The Alnico In Brief page from
http://www.salvarsan.org/content/alnico.html
has been Wiki-ified and added to the Pickupedia at
http://www.pickupedia.info/Magnets

We need entries for ceramic magnets, rare earth types,
and antique steel and CuNiFe types.

Assume that I will do it eventually.

-drh